Add m-esr52 at 52.6.0

36 files changed, 9470 insertions, 0 deletions

diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/__init__.py b/testing/web-platform/tests/tools/pywebsocket/src/test/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/__init__.py
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/cert/cacert.pem b/testing/web-platform/tests/tools/pywebsocket/src/test/cert/cacert.pem
new file mode 100644
index 000000000..4dadae121
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/cert/cacert.pem
@@ -0,0 +1,17 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/cert/cert.pem b/testing/web-platform/tests/tools/pywebsocket/src/test/cert/cert.pem
new file mode 100644
index 000000000..25379a72b
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/cert/cert.pem
@@ -0,0 +1,61 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 1 (0x1)
+        Signature Algorithm: sha1WithRSAEncryption
+        Issuer: C=JP, ST=Tokyo, O=pywebsocket, CN=pywebsocket
+        Validity
+            Not Before: Jun  6 07:25:08 2012 GMT
+            Not After : Oct 23 07:25:08 2039 GMT
+        Subject: C=JP, ST=Tokyo, O=pywebsocket, CN=pywebsocket
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+            RSA Public Key: (1024 bit)
+                Modulus (1024 bit):
+                    00:de:10:ce:3a:5a:04:a4:1c:29:93:5c:23:82:1a:
+                    f2:06:01:e6:2b:a4:0f:dd:77:49:76:89:03:a2:21:
+                    de:04:75:c6:e2:dd:fb:35:27:3a:a2:92:8e:12:62:
+                    2b:3e:1f:f4:78:df:b6:94:cb:27:d6:cb:d6:37:d7:
+                    5c:08:f0:09:3e:c9:ce:24:2d:00:c9:df:4a:e0:99:
+                    e5:fb:23:a9:e2:d6:c9:3d:96:fa:01:88:de:5a:89:
+                    b0:cf:03:67:6f:04:86:1d:ef:62:1c:55:a9:07:9a:
+                    2e:66:2a:73:5b:4c:62:03:f9:82:83:db:68:bf:b8:
+                    4b:0b:8b:93:11:b8:54:73:7b
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Basic Constraints: 
+                CA:FALSE
+            Netscape Cert Type: 
+                SSL Server
+            Netscape Comment: 
+                OpenSSL Generated Certificate
+            X509v3 Subject Key Identifier: 
+                82:A1:73:8B:16:0C:7C:E4:D3:46:95:13:95:1A:32:C1:84:E9:06:00
+            X509v3 Authority Key Identifier: 
+                keyid:EB:16:77:10:92:BB:28:70:69:97:9A:6F:A0:68:4E:1A:37:FB:E6:F3
+
+    Signature Algorithm: sha1WithRSAEncryption
+        6b:b3:46:29:02:df:b0:c8:8e:c4:d7:7f:a0:1e:0d:1a:eb:2f:
+        df:d1:48:57:36:5f:95:8c:1b:f0:51:d6:52:e7:8d:84:3b:9f:
+        d8:ed:22:9c:aa:bd:ee:9b:90:1d:84:a3:4c:0b:cb:eb:64:73:
+        ba:f7:15:ce:da:5f:db:8b:15:07:a6:28:7f:b9:8c:11:9b:64:
+        d3:f1:be:52:4f:c3:d8:58:fe:de:56:63:63:3b:51:ed:a7:81:
+        f9:05:51:70:63:32:09:0e:94:7e:05:fe:a1:56:18:34:98:d5:
+        99:1e:4e:27:38:89:90:6a:e5:ce:60:35:01:f5:de:34:60:b1:
+        cb:ae
+-----BEGIN CERTIFICATE-----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=
+-----END CERTIFICATE-----
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/cert/client_cert.p12 b/testing/web-platform/tests/tools/pywebsocket/src/test/cert/client_cert.p12
new file mode 100644
index 000000000..14e139927
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/cert/client_cert.p12
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/cert/key.pem b/testing/web-platform/tests/tools/pywebsocket/src/test/cert/key.pem
new file mode 100644
index 000000000..fae858318
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/cert/key.pem
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/client_for_testing.py b/testing/web-platform/tests/tools/pywebsocket/src/test/client_for_testing.py
new file mode 100644
index 000000000..c7f805ee9
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/client_for_testing.py
@@ -0,0 +1,1100 @@
+#!/usr/bin/env python
+#
+# Copyright 2012, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""WebSocket client utility for testing.
+
+This module contains helper methods for performing handshake, frame
+sending/receiving as a WebSocket client.
+
+This is code for testing mod_pywebsocket. Keep this code independent from
+mod_pywebsocket. Don't import e.g. Stream class for generating frame for
+testing. Using util.hexify, etc. that are not related to protocol processing
+is allowed.
+
+Note:
+This code is far from robust, e.g., we cut corners in handshake.
+"""
+
+
+import base64
+import errno
+import logging
+import os
+import random
+import re
+import socket
+import struct
+import time
+
+from mod_pywebsocket import common
+from mod_pywebsocket import util
+
+
+DEFAULT_PORT = 80
+DEFAULT_SECURE_PORT = 443
+
+# Opcodes introduced in IETF HyBi 01 for the new framing format
+OPCODE_CONTINUATION = 0x0
+OPCODE_CLOSE = 0x8
+OPCODE_PING = 0x9
+OPCODE_PONG = 0xa
+OPCODE_TEXT = 0x1
+OPCODE_BINARY = 0x2
+
+# Strings used for handshake
+_UPGRADE_HEADER = 'Upgrade: websocket\r\n'
+_UPGRADE_HEADER_HIXIE75 = 'Upgrade: WebSocket\r\n'
+_CONNECTION_HEADER = 'Connection: Upgrade\r\n'
+
+WEBSOCKET_ACCEPT_UUID = '258EAFA5-E914-47DA-95CA-C5AB0DC85B11'
+
+# Status codes
+STATUS_NORMAL_CLOSURE = 1000
+STATUS_GOING_AWAY = 1001
+STATUS_PROTOCOL_ERROR = 1002
+STATUS_UNSUPPORTED_DATA = 1003
+STATUS_NO_STATUS_RECEIVED = 1005
+STATUS_ABNORMAL_CLOSURE = 1006
+STATUS_INVALID_FRAME_PAYLOAD_DATA = 1007
+STATUS_POLICY_VIOLATION = 1008
+STATUS_MESSAGE_TOO_BIG = 1009
+STATUS_MANDATORY_EXT = 1010
+STATUS_INTERNAL_ENDPOINT_ERROR = 1011
+STATUS_TLS_HANDSHAKE = 1015
+
+# Extension tokens
+_DEFLATE_FRAME_EXTENSION = 'deflate-frame'
+# TODO(bashi): Update after mux implementation finished.
+_MUX_EXTENSION = 'mux_DO_NOT_USE'
+_PERMESSAGE_DEFLATE_EXTENSION = 'permessage-deflate'
+
+def _method_line(resource):
+    return 'GET %s HTTP/1.1\r\n' % resource
+
+
+def _sec_origin_header(origin):
+    return 'Sec-WebSocket-Origin: %s\r\n' % origin.lower()
+
+
+def _origin_header(origin):
+    # 4.1 13. concatenation of the string "Origin:", a U+0020 SPACE character,
+    # and the /origin/ value, converted to ASCII lowercase, to /fields/.
+    return 'Origin: %s\r\n' % origin.lower()
+
+
+def _format_host_header(host, port, secure):
+    # 4.1 9. Let /hostport/ be an empty string.
+    # 4.1 10. Append the /host/ value, converted to ASCII lowercase, to
+    # /hostport/
+    hostport = host.lower()
+    # 4.1 11. If /secure/ is false, and /port/ is not 80, or if /secure/
+    # is true, and /port/ is not 443, then append a U+003A COLON character
+    # (:) followed by the value of /port/, expressed as a base-ten integer,
+    # to /hostport/
+    if ((not secure and port != DEFAULT_PORT) or
+        (secure and port != DEFAULT_SECURE_PORT)):
+        hostport += ':' + str(port)
+    # 4.1 12. concatenation of the string "Host:", a U+0020 SPACE
+    # character, and /hostport/, to /fields/.
+    return 'Host: %s\r\n' % hostport
+
+
+# TODO(tyoshino): Define a base class and move these shared methods to that.
+
+
+def receive_bytes(socket, length):
+    received_bytes = []
+    remaining = length
+    while remaining > 0:
+        new_received_bytes = socket.recv(remaining)
+        if not new_received_bytes:
+            raise Exception(
+                'Connection closed before receiving requested length '
+                '(requested %d bytes but received only %d bytes)' %
+                (length, length - remaining))
+        received_bytes.append(new_received_bytes)
+        remaining -= len(new_received_bytes)
+    return ''.join(received_bytes)
+
+
+# TODO(tyoshino): Now the WebSocketHandshake class diverts these methods. We
+# should move to HTTP parser as specified in RFC 6455. For HyBi 00 and
+# Hixie 75, pack these methods as some parser class.
+
+
+def _read_fields(socket):
+    # 4.1 32. let /fields/ be a list of name-value pairs, initially empty.
+    fields = {}
+    while True:
+        # 4.1 33. let /name/ and /value/ be empty byte arrays
+        name = ''
+        value = ''
+        # 4.1 34. read /name/
+        name = _read_name(socket)
+        if name is None:
+            break
+        # 4.1 35. read spaces
+        # TODO(tyoshino): Skip only one space as described in the spec.
+        ch = _skip_spaces(socket)
+        # 4.1 36. read /value/
+        value = _read_value(socket, ch)
+        # 4.1 37. read a byte from the server
+        ch = receive_bytes(socket, 1)
+        if ch != '\n':  # 0x0A
+            raise Exception(
+                'Expected LF but found %r while reading value %r for header '
+                '%r' % (ch, name, value))
+        # 4.1 38. append an entry to the /fields/ list that has the name
+        # given by the string obtained by interpreting the /name/ byte
+        # array as a UTF-8 stream and the value given by the string
+        # obtained by interpreting the /value/ byte array as a UTF-8 byte
+        # stream.
+        fields.setdefault(name, []).append(value)
+        # 4.1 39. return to the "Field" step above
+    return fields
+
+
+def _read_name(socket):
+    # 4.1 33. let /name/ be empty byte arrays
+    name = ''
+    while True:
+        # 4.1 34. read a byte from the server
+        ch = receive_bytes(socket, 1)
+        if ch == '\r':  # 0x0D
+            return None
+        elif ch == '\n':  # 0x0A
+            raise Exception(
+                'Unexpected LF when reading header name %r' % name)
+        elif ch == ':':  # 0x3A
+            return name
+        elif ch >= 'A' and ch <= 'Z':  # range 0x31 to 0x5A
+            ch = chr(ord(ch) + 0x20)
+            name += ch
+        else:
+            name += ch
+
+
+def _skip_spaces(socket):
+    # 4.1 35. read a byte from the server
+    while True:
+        ch = receive_bytes(socket, 1)
+        if ch == ' ':  # 0x20
+            continue
+        return ch
+
+
+def _read_value(socket, ch):
+    # 4.1 33. let /value/ be empty byte arrays
+    value = ''
+    # 4.1 36. read a byte from server.
+    while True:
+        if ch == '\r':  # 0x0D
+            return value
+        elif ch == '\n':  # 0x0A
+            raise Exception(
+                'Unexpected LF when reading header value %r' % value)
+        else:
+            value += ch
+        ch = receive_bytes(socket, 1)
+
+
+def read_frame_header(socket):
+    received = receive_bytes(socket, 2)
+
+    first_byte = ord(received[0])
+    fin = (first_byte >> 7) & 1
+    rsv1 = (first_byte >> 6) & 1
+    rsv2 = (first_byte >> 5) & 1
+    rsv3 = (first_byte >> 4) & 1
+    opcode = first_byte & 0xf
+
+    second_byte = ord(received[1])
+    mask = (second_byte >> 7) & 1
+    payload_length = second_byte & 0x7f
+
+    if mask != 0:
+        raise Exception(
+            'Mask bit must be 0 for frames coming from server')
+
+    if payload_length == 127:
+        extended_payload_length = receive_bytes(socket, 8)
+        payload_length = struct.unpack(
+            '!Q', extended_payload_length)[0]
+        if payload_length > 0x7FFFFFFFFFFFFFFF:
+            raise Exception('Extended payload length >= 2^63')
+    elif payload_length == 126:
+        extended_payload_length = receive_bytes(socket, 2)
+        payload_length = struct.unpack(
+            '!H', extended_payload_length)[0]
+
+    return fin, rsv1, rsv2, rsv3, opcode, payload_length
+
+
+class _TLSSocket(object):
+    """Wrapper for a TLS connection."""
+
+    def __init__(self, raw_socket):
+        self._ssl = socket.ssl(raw_socket)
+
+    def send(self, bytes):
+        return self._ssl.write(bytes)
+
+    def recv(self, size=-1):
+        return self._ssl.read(size)
+
+    def close(self):
+        # Nothing to do.
+        pass
+
+
+class HttpStatusException(Exception):
+    """This exception will be raised when unexpected http status code was
+    received as a result of handshake.
+    """
+
+    def __init__(self, name, status):
+        super(HttpStatusException, self).__init__(name)
+        self.status = status
+
+
+class WebSocketHandshake(object):
+    """Opening handshake processor for the WebSocket protocol (RFC 6455)."""
+
+    def __init__(self, options):
+        self._logger = util.get_class_logger(self)
+
+        self._options = options
+
+    def handshake(self, socket):
+        """Handshake WebSocket.
+
+        Raises:
+            Exception: handshake failed.
+        """
+
+        self._socket = socket
+
+        request_line = _method_line(self._options.resource)
+        self._logger.debug('Opening handshake Request-Line: %r', request_line)
+        self._socket.sendall(request_line)
+
+        fields = []
+        fields.append(_UPGRADE_HEADER)
+        fields.append(_CONNECTION_HEADER)
+
+        fields.append(_format_host_header(
+            self._options.server_host,
+            self._options.server_port,
+            self._options.use_tls))
+
+        if self._options.version is 8:
+            fields.append(_sec_origin_header(self._options.origin))
+        else:
+            fields.append(_origin_header(self._options.origin))
+
+        original_key = os.urandom(16)
+        key = base64.b64encode(original_key)
+        self._logger.debug(
+            'Sec-WebSocket-Key: %s (%s)', key, util.hexify(original_key))
+        fields.append('Sec-WebSocket-Key: %s\r\n' % key)
+
+        fields.append('Sec-WebSocket-Version: %d\r\n' % self._options.version)
+
+        # Setting up extensions.
+        if len(self._options.extensions) > 0:
+            fields.append('Sec-WebSocket-Extensions: %s\r\n' %
+                          ', '.join(self._options.extensions))
+
+        self._logger.debug('Opening handshake request headers: %r', fields)
+
+        for field in fields:
+            self._socket.sendall(field)
+        self._socket.sendall('\r\n')
+
+        self._logger.info('Sent opening handshake request')
+
+        field = ''
+        while True:
+            ch = receive_bytes(self._socket, 1)
+            field += ch
+            if ch == '\n':
+                break
+
+        self._logger.debug('Opening handshake Response-Line: %r', field)
+
+        if len(field) < 7 or not field.endswith('\r\n'):
+            raise Exception('Wrong status line: %r' % field)
+        m = re.match('[^ ]* ([^ ]*) .*', field)
+        if m is None:
+            raise Exception(
+                'No HTTP status code found in status line: %r' % field)
+        code = m.group(1)
+        if not re.match('[0-9][0-9][0-9]', code):
+            raise Exception(
+                'HTTP status code %r is not three digit in status line: %r' %
+                (code, field))
+        if code != '101':
+            raise HttpStatusException(
+                'Expected HTTP status code 101 but found %r in status line: '
+                '%r' % (code, field), int(code))
+        fields = _read_fields(self._socket)
+        ch = receive_bytes(self._socket, 1)
+        if ch != '\n':  # 0x0A
+            raise Exception('Expected LF but found: %r' % ch)
+
+        self._logger.debug('Opening handshake response headers: %r', fields)
+
+        # Check /fields/
+        if len(fields['upgrade']) != 1:
+            raise Exception(
+                'Multiple Upgrade headers found: %s' % fields['upgrade'])
+        if len(fields['connection']) != 1:
+            raise Exception(
+                'Multiple Connection headers found: %s' % fields['connection'])
+        if fields['upgrade'][0] != 'websocket':
+            raise Exception(
+                'Unexpected Upgrade header value: %s' % fields['upgrade'][0])
+        if fields['connection'][0].lower() != 'upgrade':
+            raise Exception(
+                'Unexpected Connection header value: %s' %
+                fields['connection'][0])
+
+        if len(fields['sec-websocket-accept']) != 1:
+            raise Exception(
+                'Multiple Sec-WebSocket-Accept headers found: %s' %
+                fields['sec-websocket-accept'])
+
+        accept = fields['sec-websocket-accept'][0]
+
+        # Validate
+        try:
+            decoded_accept = base64.b64decode(accept)
+        except TypeError, e:
+            raise HandshakeException(
+                'Illegal value for header Sec-WebSocket-Accept: ' + accept)
+
+        if len(decoded_accept) != 20:
+            raise HandshakeException(
+                'Decoded value of Sec-WebSocket-Accept is not 20-byte long')
+
+        self._logger.debug('Actual Sec-WebSocket-Accept: %r (%s)',
+                           accept, util.hexify(decoded_accept))
+
+        original_expected_accept = util.sha1_hash(
+            key + WEBSOCKET_ACCEPT_UUID).digest()
+        expected_accept = base64.b64encode(original_expected_accept)
+
+        self._logger.debug('Expected Sec-WebSocket-Accept: %r (%s)',
+                           expected_accept,
+                           util.hexify(original_expected_accept))
+
+        if accept != expected_accept:
+            raise Exception(
+                'Invalid Sec-WebSocket-Accept header: %r (expected) != %r '
+                '(actual)' % (accept, expected_accept))
+
+        server_extensions_header = fields.get('sec-websocket-extensions')
+        accepted_extensions = []
+        if server_extensions_header is not None:
+            accepted_extensions = common.parse_extensions(
+                    ', '.join(server_extensions_header))
+
+        # Scan accepted extension list to check if there is any unrecognized
+        # extensions or extensions we didn't request in it. Then, for
+        # extensions we request, parse them and store parameters. They will be
+        # used later by each extension.
+        deflate_frame_accepted = False
+        mux_accepted = False
+        for extension in accepted_extensions:
+            if extension.name() == _DEFLATE_FRAME_EXTENSION:
+                if self._options.use_deflate_frame:
+                    deflate_frame_accepted = True
+                    continue
+            if extension.name() == _MUX_EXTENSION:
+                if self._options.use_mux:
+                    mux_accepted = True
+                    continue
+            if extension.name() == _PERMESSAGE_DEFLATE_EXTENSION:
+                checker = self._options.check_permessage_deflate
+                if checker:
+                    checker(extension)
+                    continue
+
+            raise Exception(
+                'Received unrecognized extension: %s' % extension.name())
+
+        # Let all extensions check the response for extension request.
+
+        if (self._options.use_deflate_frame and
+            not deflate_frame_accepted):
+            raise Exception('%s extension not accepted' %
+                            _DEFLATE_FRAME_EXTENSION)
+
+        if self._options.use_mux and not mux_accepted:
+            raise Exception('%s extension not accepted' % _MUX_EXTENSION)
+
+
+class WebSocketHybi00Handshake(object):
+    """Opening handshake processor for the WebSocket protocol version HyBi 00.
+    """
+
+    def __init__(self, options, draft_field):
+        self._logger = util.get_class_logger(self)
+
+        self._options = options
+        self._draft_field = draft_field
+
+    def handshake(self, socket):
+        """Handshake WebSocket.
+
+        Raises:
+            Exception: handshake failed.
+        """
+
+        self._socket = socket
+
+        # 4.1 5. send request line.
+        request_line = _method_line(self._options.resource)
+        self._logger.debug('Opening handshake Request-Line: %r', request_line)
+        self._socket.sendall(request_line)
+        # 4.1 6. Let /fields/ be an empty list of strings.
+        fields = []
+        # 4.1 7. Add the string "Upgrade: WebSocket" to /fields/.
+        fields.append(_UPGRADE_HEADER_HIXIE75)
+        # 4.1 8. Add the string "Connection: Upgrade" to /fields/.
+        fields.append(_CONNECTION_HEADER)
+        # 4.1 9-12. Add Host: field to /fields/.
+        fields.append(_format_host_header(
+            self._options.server_host,
+            self._options.server_port,
+            self._options.use_tls))
+        # 4.1 13. Add Origin: field to /fields/.
+        fields.append(_origin_header(self._options.origin))
+        # TODO: 4.1 14 Add Sec-WebSocket-Protocol: field to /fields/.
+        # TODO: 4.1 15 Add cookie headers to /fields/.
+
+        # 4.1 16-23. Add Sec-WebSocket-Key<n> to /fields/.
+        self._number1, key1 = self._generate_sec_websocket_key()
+        self._logger.debug('Number1: %d', self._number1)
+        fields.append('Sec-WebSocket-Key1: %s\r\n' % key1)
+        self._number2, key2 = self._generate_sec_websocket_key()
+        self._logger.debug('Number2: %d', self._number1)
+        fields.append('Sec-WebSocket-Key2: %s\r\n' % key2)
+
+        fields.append('Sec-WebSocket-Draft: %s\r\n' % self._draft_field)
+
+        # 4.1 24. For each string in /fields/, in a random order: send the
+        # string, encoded as UTF-8, followed by a UTF-8 encoded U+000D CARRIAGE
+        # RETURN U+000A LINE FEED character pair (CRLF).
+        random.shuffle(fields)
+
+        self._logger.debug('Opening handshake request headers: %r', fields)
+        for field in fields:
+            self._socket.sendall(field)
+
+        # 4.1 25. send a UTF-8-encoded U+000D CARRIAGE RETURN U+000A LINE FEED
+        # character pair (CRLF).
+        self._socket.sendall('\r\n')
+        # 4.1 26. let /key3/ be a string consisting of eight random bytes (or
+        # equivalently, a random 64 bit integer encoded in a big-endian order).
+        self._key3 = self._generate_key3()
+        # 4.1 27. send /key3/ to the server.
+        self._socket.sendall(self._key3)
+        self._logger.debug(
+            'Key3: %r (%s)', self._key3, util.hexify(self._key3))
+
+        self._logger.info('Sent opening handshake request')
+
+        # 4.1 28. Read bytes from the server until either the connection
+        # closes, or a 0x0A byte is read. let /field/ be these bytes, including
+        # the 0x0A bytes.
+        field = ''
+        while True:
+            ch = receive_bytes(self._socket, 1)
+            field += ch
+            if ch == '\n':
+                break
+
+        self._logger.debug('Opening handshake Response-Line: %r', field)
+
+        # if /field/ is not at least seven bytes long, or if the last
+        # two bytes aren't 0x0D and 0x0A respectively, or if it does not
+        # contain at least two 0x20 bytes, then fail the WebSocket connection
+        # and abort these steps.
+        if len(field) < 7 or not field.endswith('\r\n'):
+            raise Exception('Wrong status line: %r' % field)
+        m = re.match('[^ ]* ([^ ]*) .*', field)
+        if m is None:
+            raise Exception('No code found in status line: %r' % field)
+        # 4.1 29. let /code/ be the substring of /field/ that starts from the
+        # byte after the first 0x20 byte, and ends with the byte before the
+        # second 0x20 byte.
+        code = m.group(1)
+        # 4.1 30. if /code/ is not three bytes long, or if any of the bytes in
+        # /code/ are not in the range 0x30 to 0x90, then fail the WebSocket
+        # connection and abort these steps.
+        if not re.match('[0-9][0-9][0-9]', code):
+            raise Exception(
+                'HTTP status code %r is not three digit in status line: %r' %
+                (code, field))
+        # 4.1 31. if /code/, interpreted as UTF-8, is "101", then move to the
+        # next step.
+        if code != '101':
+            raise HttpStatusException(
+                'Expected HTTP status code 101 but found %r in status line: '
+                '%r' % (code, field), int(code))
+        # 4.1 32-39. read fields into /fields/
+        fields = _read_fields(self._socket)
+
+        self._logger.debug('Opening handshake response headers: %r', fields)
+
+        # 4.1 40. _Fields processing_
+        # read a byte from server
+        ch = receive_bytes(self._socket, 1)
+        if ch != '\n':  # 0x0A
+            raise Exception('Expected LF but found %r' % ch)
+        # 4.1 41. check /fields/
+        if len(fields['upgrade']) != 1:
+            raise Exception(
+                'Multiple Upgrade headers found: %s' % fields['upgrade'])
+        if len(fields['connection']) != 1:
+            raise Exception(
+                'Multiple Connection headers found: %s' % fields['connection'])
+        if len(fields['sec-websocket-origin']) != 1:
+            raise Exception(
+                'Multiple Sec-WebSocket-Origin headers found: %s' %
+                fields['sec-sebsocket-origin'])
+        if len(fields['sec-websocket-location']) != 1:
+            raise Exception(
+                'Multiple Sec-WebSocket-Location headers found: %s' %
+                fields['sec-sebsocket-location'])
+        # TODO(ukai): protocol
+        # if the entry's name is "upgrade"
+        #  if the value is not exactly equal to the string "WebSocket",
+        #  then fail the WebSocket connection and abort these steps.
+        if fields['upgrade'][0] != 'WebSocket':
+            raise Exception(
+                'Unexpected Upgrade header value: %s' % fields['upgrade'][0])
+        # if the entry's name is "connection"
+        #  if the value, converted to ASCII lowercase, is not exactly equal
+        #  to the string "upgrade", then fail the WebSocket connection and
+        #  abort these steps.
+        if fields['connection'][0].lower() != 'upgrade':
+            raise Exception(
+                'Unexpected Connection header value: %s' %
+                fields['connection'][0])
+        # TODO(ukai): check origin, location, cookie, ..
+
+        # 4.1 42. let /challenge/ be the concatenation of /number_1/,
+        # expressed as a big endian 32 bit integer, /number_2/, expressed
+        # as big endian 32 bit integer, and the eight bytes of /key_3/ in the
+        # order they were sent on the wire.
+        challenge = struct.pack('!I', self._number1)
+        challenge += struct.pack('!I', self._number2)
+        challenge += self._key3
+
+        self._logger.debug(
+            'Challenge: %r (%s)', challenge, util.hexify(challenge))
+
+        # 4.1 43. let /expected/ be the MD5 fingerprint of /challenge/ as a
+        # big-endian 128 bit string.
+        expected = util.md5_hash(challenge).digest()
+        self._logger.debug(
+            'Expected challenge response: %r (%s)',
+            expected, util.hexify(expected))
+
+        # 4.1 44. read sixteen bytes from the server.
+        # let /reply/ be those bytes.
+        reply = receive_bytes(self._socket, 16)
+        self._logger.debug(
+            'Actual challenge response: %r (%s)', reply, util.hexify(reply))
+
+        # 4.1 45. if /reply/ does not exactly equal /expected/, then fail
+        # the WebSocket connection and abort these steps.
+        if expected != reply:
+            raise Exception(
+                'Bad challenge response: %r (expected) != %r (actual)' %
+                (expected, reply))
+        # 4.1 46. The *WebSocket connection is established*.
+
+    def _generate_sec_websocket_key(self):
+        # 4.1 16. let /spaces_n/ be a random integer from 1 to 12 inclusive.
+        spaces = random.randint(1, 12)
+        # 4.1 17. let /max_n/ be the largest integer not greater than
+        #  4,294,967,295 divided by /spaces_n/.
+        maxnum = 4294967295 / spaces
+        # 4.1 18. let /number_n/ be a random integer from 0 to /max_n/
+        # inclusive.
+        number = random.randint(0, maxnum)
+        # 4.1 19. let /product_n/ be the result of multiplying /number_n/ and
+        # /spaces_n/ together.
+        product = number * spaces
+        # 4.1 20. let /key_n/ be a string consisting of /product_n/, expressed
+        # in base ten using the numerals in the range U+0030 DIGIT ZERO (0) to
+        # U+0039 DIGIT NINE (9).
+        key = str(product)
+        # 4.1 21. insert between one and twelve random characters from the
+        # range U+0021 to U+002F and U+003A to U+007E into /key_n/ at random
+        # positions.
+        available_chars = range(0x21, 0x2f + 1) + range(0x3a, 0x7e + 1)
+        n = random.randint(1, 12)
+        for _ in xrange(n):
+            ch = random.choice(available_chars)
+            pos = random.randint(0, len(key))
+            key = key[0:pos] + chr(ch) + key[pos:]
+        # 4.1 22. insert /spaces_n/ U+0020 SPACE characters into /key_n/ at
+        # random positions other than start or end of the string.
+        for _ in xrange(spaces):
+            pos = random.randint(1, len(key) - 1)
+            key = key[0:pos] + ' ' + key[pos:]
+        return number, key
+
+    def _generate_key3(self):
+        # 4.1 26. let /key3/ be a string consisting of eight random bytes (or
+        # equivalently, a random 64 bit integer encoded in a big-endian order).
+        return ''.join([chr(random.randint(0, 255)) for _ in xrange(8)])
+
+
+class WebSocketHixie75Handshake(object):
+    """WebSocket handshake processor for IETF Hixie 75."""
+
+    _EXPECTED_RESPONSE = (
+        'HTTP/1.1 101 Web Socket Protocol Handshake\r\n' +
+        _UPGRADE_HEADER_HIXIE75 +
+        _CONNECTION_HEADER)
+
+    def __init__(self, options):
+        self._logger = util.get_class_logger(self)
+
+        self._options = options
+
+    def _skip_headers(self):
+        terminator = '\r\n\r\n'
+        pos = 0
+        while pos < len(terminator):
+            received = receive_bytes(self._socket, 1)
+            if received == terminator[pos]:
+                pos += 1
+            elif received == terminator[0]:
+                pos = 1
+            else:
+                pos = 0
+
+    def handshake(self, socket):
+        self._socket = socket
+
+        request_line = _method_line(self._options.resource)
+        self._logger.debug('Opening handshake Request-Line: %r', request_line)
+        self._socket.sendall(request_line)
+
+        headers = _UPGRADE_HEADER_HIXIE75 + _CONNECTION_HEADER
+        headers += _format_host_header(
+            self._options.server_host,
+            self._options.server_port,
+            self._options.use_tls)
+        headers += _origin_header(self._options.origin)
+        self._logger.debug('Opening handshake request headers: %r', headers)
+        self._socket.sendall(headers)
+
+        self._socket.sendall('\r\n')
+
+        self._logger.info('Sent opening handshake request')
+
+        for expected_char in WebSocketHixie75Handshake._EXPECTED_RESPONSE:
+            received = receive_bytes(self._socket, 1)
+            if expected_char != received:
+                raise Exception('Handshake failure')
+        # We cut corners and skip other headers.
+        self._skip_headers()
+
+
+class WebSocketStream(object):
+    """Frame processor for the WebSocket protocol (RFC 6455)."""
+
+    def __init__(self, socket, handshake):
+        self._handshake = handshake
+        self._socket = socket
+
+        # Filters applied to application data part of data frames.
+        self._outgoing_frame_filter = None
+        self._incoming_frame_filter = None
+
+        if self._handshake._options.use_deflate_frame:
+            self._outgoing_frame_filter = (
+                util._RFC1979Deflater(None, False))
+            self._incoming_frame_filter = util._RFC1979Inflater()
+
+        self._fragmented = False
+
+    def _mask_hybi(self, s):
+        # TODO(tyoshino): os.urandom does open/read/close for every call. If
+        # performance matters, change this to some library call that generates
+        # cryptographically secure pseudo random number sequence.
+        masking_nonce = os.urandom(4)
+        result = [masking_nonce]
+        count = 0
+        for c in s:
+            result.append(chr(ord(c) ^ ord(masking_nonce[count])))
+            count = (count + 1) % len(masking_nonce)
+        return ''.join(result)
+
+    def send_frame_of_arbitrary_bytes(self, header, body):
+        self._socket.sendall(header + self._mask_hybi(body))
+
+    def send_data(self, payload, frame_type, end=True, mask=True,
+                  rsv1=0, rsv2=0, rsv3=0):
+        if self._outgoing_frame_filter is not None:
+            payload = self._outgoing_frame_filter.filter(payload)
+
+        if self._fragmented:
+            opcode = OPCODE_CONTINUATION
+        else:
+            opcode = frame_type
+
+        if end:
+            self._fragmented = False
+            fin = 1
+        else:
+            self._fragmented = True
+            fin = 0
+
+        if self._handshake._options.use_deflate_frame:
+            rsv1 = 1
+
+        if mask:
+            mask_bit = 1 << 7
+        else:
+            mask_bit = 0
+
+        header = chr(fin << 7 | rsv1 << 6 | rsv2 << 5 | rsv3 << 4 | opcode)
+        payload_length = len(payload)
+        if payload_length <= 125:
+            header += chr(mask_bit | payload_length)
+        elif payload_length < 1 << 16:
+            header += chr(mask_bit | 126) + struct.pack('!H', payload_length)
+        elif payload_length < 1 << 63:
+            header += chr(mask_bit | 127) + struct.pack('!Q', payload_length)
+        else:
+            raise Exception('Too long payload (%d byte)' % payload_length)
+        if mask:
+            payload = self._mask_hybi(payload)
+        self._socket.sendall(header + payload)
+
+    def send_binary(self, payload, end=True, mask=True):
+        self.send_data(payload, OPCODE_BINARY, end, mask)
+
+    def send_text(self, payload, end=True, mask=True):
+        self.send_data(payload.encode('utf-8'), OPCODE_TEXT, end, mask)
+
+    def _assert_receive_data(self, payload, opcode, fin, rsv1, rsv2, rsv3):
+        (actual_fin, actual_rsv1, actual_rsv2, actual_rsv3, actual_opcode,
+         payload_length) = read_frame_header(self._socket)
+
+        if actual_opcode != opcode:
+            raise Exception(
+                'Unexpected opcode: %d (expected) vs %d (actual)' %
+                (opcode, actual_opcode))
+
+        if actual_fin != fin:
+            raise Exception(
+                'Unexpected fin: %d (expected) vs %d (actual)' %
+                (fin, actual_fin))
+
+        if rsv1 is None:
+            rsv1 = 0
+            if self._handshake._options.use_deflate_frame:
+                rsv1 = 1
+
+        if rsv2 is None:
+            rsv2 = 0
+
+        if rsv3 is None:
+            rsv3 = 0
+
+        if actual_rsv1 != rsv1:
+            raise Exception(
+                'Unexpected rsv1: %r (expected) vs %r (actual)' %
+                (rsv1, actual_rsv1))
+
+        if actual_rsv2 != rsv2:
+            raise Exception(
+                'Unexpected rsv2: %r (expected) vs %r (actual)' %
+                (rsv2, actual_rsv2))
+
+        if actual_rsv3 != rsv3:
+            raise Exception(
+                'Unexpected rsv3: %r (expected) vs %r (actual)' %
+                (rsv3, actual_rsv3))
+
+        received = receive_bytes(self._socket, payload_length)
+
+        if self._incoming_frame_filter is not None:
+            received = self._incoming_frame_filter.filter(received)
+
+        if len(received) != len(payload):
+            raise Exception(
+                'Unexpected payload length: %d (expected) vs %d (actual)' %
+                (len(payload), len(received)))
+
+        if payload != received:
+            raise Exception(
+                'Unexpected payload: %r (expected) vs %r (actual)' %
+                (payload, received))
+
+    def assert_receive_binary(self, payload, opcode=OPCODE_BINARY, fin=1,
+                              rsv1=None, rsv2=None, rsv3=None):
+        self._assert_receive_data(payload, opcode, fin, rsv1, rsv2, rsv3)
+
+    def assert_receive_text(self, payload, opcode=OPCODE_TEXT, fin=1,
+                            rsv1=None, rsv2=None, rsv3=None):
+        self._assert_receive_data(payload.encode('utf-8'), opcode, fin, rsv1,
+                                  rsv2, rsv3)
+
+    def _build_close_frame(self, code, reason, mask):
+        frame = chr(1 << 7 | OPCODE_CLOSE)
+
+        if code is not None:
+            body = struct.pack('!H', code) + reason.encode('utf-8')
+        else:
+            body = ''
+        if mask:
+            frame += chr(1 << 7 | len(body)) + self._mask_hybi(body)
+        else:
+            frame += chr(len(body)) + body
+        return frame
+
+    def send_close(self, code, reason):
+        self._socket.sendall(
+            self._build_close_frame(code, reason, True))
+
+    def assert_receive_close(self, code, reason):
+        expected_frame = self._build_close_frame(code, reason, False)
+        actual_frame = receive_bytes(self._socket, len(expected_frame))
+        if actual_frame != expected_frame:
+            raise Exception(
+                'Unexpected close frame: %r (expected) vs %r (actual)' %
+                (expected_frame, actual_frame))
+
+
+class WebSocketStreamHixie75(object):
+    """Frame processor for the WebSocket protocol version Hixie 75 and HyBi 00.
+    """
+
+    _CLOSE_FRAME = '\xff\x00'
+
+    def __init__(self, socket, unused_handshake):
+        self._socket = socket
+
+    def send_frame_of_arbitrary_bytes(self, header, body):
+        self._socket.sendall(header + body)
+
+    def send_data(self, payload, unused_frame_typem, unused_end, unused_mask):
+        frame = ''.join(['\x00', payload, '\xff'])
+        self._socket.sendall(frame)
+
+    def send_binary(self, unused_payload, unused_end, unused_mask):
+        pass
+
+    def send_text(self, payload, unused_end, unused_mask):
+        encoded_payload = payload.encode('utf-8')
+        frame = ''.join(['\x00', encoded_payload, '\xff'])
+        self._socket.sendall(frame)
+
+    def assert_receive_binary(self, payload, opcode=OPCODE_BINARY, fin=1,
+                              rsv1=0, rsv2=0, rsv3=0):
+        raise Exception('Binary frame is not supported in hixie75')
+
+    def assert_receive_text(self, payload):
+        received = receive_bytes(self._socket, 1)
+
+        if received != '\x00':
+            raise Exception(
+                'Unexpected frame type: %d (expected) vs %d (actual)' %
+                (0, ord(received)))
+
+        received = receive_bytes(self._socket, len(payload) + 1)
+        if received[-1] != '\xff':
+            raise Exception(
+                'Termination expected: 0xff (expected) vs %r (actual)' %
+                received)
+
+        if received[0:-1] != payload:
+            raise Exception(
+                'Unexpected payload: %r (expected) vs %r (actual)' %
+                (payload, received[0:-1]))
+
+    def send_close(self, code, reason):
+        self._socket.sendall(self._CLOSE_FRAME)
+
+    def assert_receive_close(self, unused_code, unused_reason):
+        closing = receive_bytes(self._socket, len(self._CLOSE_FRAME))
+        if closing != self._CLOSE_FRAME:
+            raise Exception('Didn\'t receive closing handshake')
+
+
+class ClientOptions(object):
+    """Holds option values to configure the Client object."""
+
+    def __init__(self):
+        self.version = 13
+        self.server_host = ''
+        self.origin = ''
+        self.resource = ''
+        self.server_port = -1
+        self.socket_timeout = 1000
+        self.use_tls = False
+        self.extensions = []
+        # Enable deflate-application-data.
+        self.use_deflate_frame = False
+        # Enable mux
+        self.use_mux = False
+
+    def enable_deflate_frame(self):
+        self.use_deflate_frame = True
+        self.extensions.append(_DEFLATE_FRAME_EXTENSION)
+
+    def enable_mux(self):
+        self.use_mux = True
+        self.extensions.append(_MUX_EXTENSION)
+
+
+def connect_socket_with_retry(host, port, timeout, use_tls,
+                              retry=10, sleep_sec=0.1):
+    retry_count = 0
+    while retry_count < retry:
+        try:
+            s = socket.socket()
+            s.settimeout(timeout)
+            s.connect((host, port))
+            if use_tls:
+                return _TLSSocket(s)
+            return s
+        except socket.error, e:
+            if e.errno != errno.ECONNREFUSED:
+                raise
+            else:
+                retry_count = retry_count + 1
+                time.sleep(sleep_sec)
+
+    return None
+
+
+class Client(object):
+    """WebSocket client."""
+
+    def __init__(self, options, handshake, stream_class):
+        self._logger = util.get_class_logger(self)
+
+        self._options = options
+        self._socket = None
+
+        self._handshake = handshake
+        self._stream_class = stream_class
+
+    def connect(self):
+        self._socket = connect_socket_with_retry(
+                self._options.server_host,
+                self._options.server_port,
+                self._options.socket_timeout,
+                self._options.use_tls)
+
+        self._handshake.handshake(self._socket)
+
+        self._stream = self._stream_class(self._socket, self._handshake)
+
+        self._logger.info('Connection established')
+
+    def send_frame_of_arbitrary_bytes(self, header, body):
+        self._stream.send_frame_of_arbitrary_bytes(header, body)
+
+    def send_message(self, message, end=True, binary=False, raw=False,
+                     mask=True):
+        if binary:
+            self._stream.send_binary(message, end, mask)
+        elif raw:
+            self._stream.send_data(message, OPCODE_TEXT, end, mask)
+        else:
+            self._stream.send_text(message, end, mask)
+
+    def assert_receive(self, payload, binary=False):
+        if binary:
+            self._stream.assert_receive_binary(payload)
+        else:
+            self._stream.assert_receive_text(payload)
+
+    def send_close(self, code=STATUS_NORMAL_CLOSURE, reason=''):
+        self._stream.send_close(code, reason)
+
+    def assert_receive_close(self, code=STATUS_NORMAL_CLOSURE, reason=''):
+        self._stream.assert_receive_close(code, reason)
+
+    def close_socket(self):
+        self._socket.close()
+
+    def assert_connection_closed(self):
+        try:
+            read_data = receive_bytes(self._socket, 1)
+        except Exception, e:
+            if str(e).find(
+                'Connection closed before receiving requested length ') == 0:
+                return
+            try:
+                error_number, message = e
+                for error_name in ['ECONNRESET', 'WSAECONNRESET']:
+                    if (error_name in dir(errno) and
+                        error_number == getattr(errno, error_name)):
+                        return
+            except:
+                raise e
+            raise e
+
+        raise Exception('Connection is not closed (Read: %r)' % read_data)
+
+
+def create_client(options):
+    return Client(
+        options, WebSocketHandshake(options), WebSocketStream)
+
+
+def create_client_hybi00(options):
+    return Client(
+        options,
+        WebSocketHybi00Handshake(options, '0'),
+        WebSocketStreamHixie75)
+
+
+def create_client_hixie75(options):
+    return Client(
+        options, WebSocketHixie75Handshake(options), WebSocketStreamHixie75)
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/endtoend_with_external_server.py b/testing/web-platform/tests/tools/pywebsocket/src/test/endtoend_with_external_server.py
new file mode 100755
index 000000000..47f86fdb4
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/endtoend_with_external_server.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Test for end-to-end with external server.
+
+This test is not run by run_all.py because it requires some preparations.
+If you would like to run this test correctly, launch Apache with mod_python
+and mod_pywebsocket manually. In addition, you should pass allow_draft75 option
+and example path as handler_scan option and Apache's DocumentRoot.
+"""
+
+
+import optparse
+import sys
+import test.test_endtoend
+import unittest
+
+
+_DEFAULT_WEB_SOCKET_PORT = 80
+
+
+class EndToEndTestWithExternalServer(test.test_endtoend.EndToEndTest):
+    pass
+
+if __name__ == '__main__':
+    parser = optparse.OptionParser()
+    parser.add_option('-p', '--port', dest='port', type='int',
+                      default=_DEFAULT_WEB_SOCKET_PORT,
+                      help='external test server port.')
+    (options, args) = parser.parse_args()
+
+    test.test_endtoend._use_external_server = True
+    test.test_endtoend._external_server_port = options.port
+
+    unittest.main(argv=[sys.argv[0]])
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/mock.py b/testing/web-platform/tests/tools/pywebsocket/src/test/mock.py
new file mode 100644
index 000000000..6bffcac48
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/mock.py
@@ -0,0 +1,221 @@
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Mocks for testing.
+"""
+
+
+import Queue
+import threading
+
+from mod_pywebsocket import common
+from mod_pywebsocket.stream import StreamHixie75
+
+
+class _MockConnBase(object):
+    """Base class of mocks for mod_python.apache.mp_conn.
+
+    This enables tests to check what is written to a (mock) mp_conn.
+    """
+
+    def __init__(self):
+        self._write_data = []
+        self.remote_addr = 'fake_address'
+
+    def write(self, data):
+        """Override mod_python.apache.mp_conn.write."""
+
+        self._write_data.append(data)
+
+    def written_data(self):
+        """Get bytes written to this mock."""
+
+        return ''.join(self._write_data)
+
+
+class MockConn(_MockConnBase):
+    """Mock for mod_python.apache.mp_conn.
+
+    This enables tests to specify what should be read from a (mock) mp_conn as
+    well as to check what is written to it.
+    """
+
+    def __init__(self, read_data):
+        """Constructs an instance.
+
+        Args:
+            read_data: bytes that should be returned when read* methods are
+            called.
+        """
+
+        _MockConnBase.__init__(self)
+        self._read_data = read_data
+        self._read_pos = 0
+
+    def readline(self):
+        """Override mod_python.apache.mp_conn.readline."""
+
+        if self._read_pos >= len(self._read_data):
+            return ''
+        end_index = self._read_data.find('\n', self._read_pos) + 1
+        if not end_index:
+            end_index = len(self._read_data)
+        return self._read_up_to(end_index)
+
+    def read(self, length):
+        """Override mod_python.apache.mp_conn.read."""
+
+        if self._read_pos >= len(self._read_data):
+            return ''
+        end_index = min(len(self._read_data), self._read_pos + length)
+        return self._read_up_to(end_index)
+
+    def _read_up_to(self, end_index):
+        line = self._read_data[self._read_pos:end_index]
+        self._read_pos = end_index
+        return line
+
+
+class MockBlockingConn(_MockConnBase):
+    """Blocking mock for mod_python.apache.mp_conn.
+
+    This enables tests to specify what should be read from a (mock) mp_conn as
+    well as to check what is written to it.
+    Callers of read* methods will block if there is no bytes available.
+    """
+
+    def __init__(self):
+        _MockConnBase.__init__(self)
+        self._queue = Queue.Queue()
+
+    def readline(self):
+        """Override mod_python.apache.mp_conn.readline."""
+        line = ''
+        while True:
+            c = self._queue.get()
+            line += c
+            if c == '\n':
+                return line
+
+    def read(self, length):
+        """Override mod_python.apache.mp_conn.read."""
+
+        data = ''
+        for unused in range(length):
+            data += self._queue.get()
+        return data
+
+    def put_bytes(self, bytes):
+        """Put bytes to be read from this mock.
+
+        Args:
+            bytes: bytes to be read.
+        """
+
+        for byte in bytes:
+            self._queue.put(byte)
+
+
+class MockTable(dict):
+    """Mock table.
+
+    This mimics mod_python mp_table. Note that only the methods used by
+    tests are overridden.
+    """
+
+    def __init__(self, copy_from={}):
+        if isinstance(copy_from, dict):
+            copy_from = copy_from.items()
+        for key, value in copy_from:
+            self.__setitem__(key, value)
+
+    def __getitem__(self, key):
+        return super(MockTable, self).__getitem__(key.lower())
+
+    def __setitem__(self, key, value):
+        super(MockTable, self).__setitem__(key.lower(), value)
+
+    def get(self, key, def_value=None):
+        return super(MockTable, self).get(key.lower(), def_value)
+
+
+class MockRequest(object):
+    """Mock request.
+
+    This mimics mod_python request.
+    """
+
+    def __init__(self, uri=None, headers_in={}, connection=None, method='GET',
+                 protocol='HTTP/1.1', is_https=False):
+        """Construct an instance.
+
+        Arguments:
+            uri: URI of the request.
+            headers_in: Request headers.
+            connection: Connection used for the request.
+            method: request method.
+            is_https: Whether this request is over SSL.
+
+        See the document of mod_python Request for details.
+        """
+        self.uri = uri
+        self.unparsed_uri = uri
+        self.connection = connection
+        self.method = method
+        self.protocol = protocol
+        self.headers_in = MockTable(headers_in)
+        # self.is_https_ needs to be accessible from tests.  To avoid name
+        # conflict with self.is_https(), it is named as such.
+        self.is_https_ = is_https
+        self.ws_stream = StreamHixie75(self, True)
+        self.ws_close_code = None
+        self.ws_close_reason = None
+        self.ws_version = common.VERSION_HYBI00
+        self.ws_deflate = False
+
+    def is_https(self):
+        """Return whether this request is over SSL."""
+        return self.is_https_
+
+
+class MockDispatcher(object):
+    """Mock for dispatch.Dispatcher."""
+
+    def __init__(self):
+        self.do_extra_handshake_called = False
+
+    def do_extra_handshake(self, conn_context):
+        self.do_extra_handshake_called = True
+
+    def transfer_data(self, conn_context):
+        pass
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/mux_client_for_testing.py b/testing/web-platform/tests/tools/pywebsocket/src/test/mux_client_for_testing.py
new file mode 100644
index 000000000..dd5435a8c
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/mux_client_for_testing.py
@@ -0,0 +1,690 @@
+#!/usr/bin/env python
+#
+# Copyright 2012, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""WebSocket client utility for testing mux extension.
+
+This code should be independent from mod_pywebsocket. See the comment of
+client_for_testing.py.
+
+NOTE: This code is far from robust like client_for_testing.py.
+"""
+
+
+
+import Queue
+import base64
+import collections
+import email
+import email.parser
+import logging
+import math
+import os
+import random
+import socket
+import struct
+import threading
+
+from mod_pywebsocket import util
+
+from test import client_for_testing
+
+
+_CONTROL_CHANNEL_ID = 0
+_DEFAULT_CHANNEL_ID = 1
+
+_MUX_OPCODE_ADD_CHANNEL_REQUEST = 0
+_MUX_OPCODE_ADD_CHANNEL_RESPONSE = 1
+_MUX_OPCODE_FLOW_CONTROL = 2
+_MUX_OPCODE_DROP_CHANNEL = 3
+_MUX_OPCODE_NEW_CHANNEL_SLOT = 4
+
+
+class _ControlBlock:
+    def __init__(self, opcode):
+        self.opcode = opcode
+
+
+def _parse_handshake_response(response):
+    status_line, header_lines = response.split('\r\n', 1)
+
+    words = status_line.split(' ')
+    if len(words) < 3:
+        raise ValueError('Bad Status-Line syntax %r' % status_line)
+    [version, response_code] = words[:2]
+    if version != 'HTTP/1.1':
+        raise ValueError('Bad response version %r' % version)
+
+    if response_code != '101':
+        raise ValueError('Bad response code %r ' % response_code)
+    headers = email.parser.Parser().parsestr(header_lines)
+    return headers
+
+
+def _parse_channel_id(data, offset=0):
+    length = len(data)
+    remaining = length - offset
+
+    if remaining <= 0:
+        raise Exception('No channel id found')
+
+    channel_id = ord(data[offset])
+    channel_id_length = 1
+    if channel_id & 0xe0 == 0xe0:
+        if remaining < 4:
+            raise Exception('Invalid channel id format')
+        channel_id = struct.unpack('!L',
+                                   data[offset:offset+4])[0] & 0x1fffffff
+        channel_id_length = 4
+    elif channel_id & 0xc0 == 0xc0:
+        if remaining < 3:
+            raise Exception('Invalid channel id format')
+        channel_id = (((channel_id & 0x1f) << 16) +
+                      struct.unpack('!H', data[offset+1:offset+3])[0])
+        channel_id_length = 3
+    elif channel_id & 0x80 == 0x80:
+        if remaining < 2:
+            raise Exception('Invalid channel id format')
+        channel_id = struct.unpack('!H', data[offset:offset+2])[0] & 0x3fff
+        channel_id_length = 2
+
+    return channel_id, channel_id_length
+
+
+def _parse_number(data, offset=0):
+    first_byte = ord(data[offset])
+    if (first_byte & 0x80) != 0:
+        raise Exception('The MSB of number field must be unset')
+    first_byte = first_byte & 0x7f
+    if first_byte == 127:
+        if offset + 9 > len(data):
+            raise Exception('Invalid number')
+        return struct.unpack('!Q', data[offset+1:offset+9])[0], 9
+    if first_byte == 126:
+        if offset + 3 > len(data):
+            raise Exception('Invalid number')
+        return struct.unpack('!H', data[offset+1:offset+3])[0], 3
+    return first_byte, 1
+
+
+def _parse_size_and_contents(data, offset=0):
+    size, advance = _parse_number(data, offset)
+    start_position = offset + advance
+    end_position = start_position + size
+    if len(data) < end_position:
+        raise Exception('Invalid size of control block (%d < %d)' % (
+                len(data), end_position))
+    return data[start_position:end_position], size + advance
+
+
+def _parse_control_blocks(data):
+    blocks = []
+    length = len(data)
+    pos = 0
+
+    while pos < length:
+        first_byte = ord(data[pos])
+        pos += 1
+        opcode = (first_byte >> 5) & 0x7
+        block = _ControlBlock(opcode)
+
+        # TODO(bashi): Support more opcode
+        if opcode == _MUX_OPCODE_ADD_CHANNEL_RESPONSE:
+            block.encode = first_byte & 3
+            block.rejected = (first_byte >> 4) & 1
+
+            channel_id, advance = _parse_channel_id(data, pos)
+            block.channel_id = channel_id
+            pos += advance
+
+            encoded_handshake, advance = _parse_size_and_contents(data, pos)
+            block.encoded_handshake = encoded_handshake
+            pos += advance
+            blocks.append(block)
+        elif opcode == _MUX_OPCODE_DROP_CHANNEL:
+            block.mux_error = (first_byte >> 4) & 1
+
+            channel_id, advance = _parse_channel_id(data, pos)
+            block.channel_id = channel_id
+            pos += advance
+
+            reason, advance = _parse_size_and_contents(data, pos)
+            if len(reason) == 0:
+                block.drop_code = None
+                block.drop_message = ''
+            elif len(reason) >= 2:
+                block.drop_code = struct.unpack('!H', reason[:2])[0]
+                block.drop_message = reason[2:]
+            else:
+                raise Exception('Invalid DropChannel')
+            pos += advance
+            blocks.append(block)
+        elif opcode == _MUX_OPCODE_FLOW_CONTROL:
+            channel_id, advance = _parse_channel_id(data, pos)
+            block.channel_id = channel_id
+            pos += advance
+            send_quota, advance = _parse_number(data, pos)
+            block.send_quota = send_quota
+            pos += advance
+            blocks.append(block)
+        elif opcode == _MUX_OPCODE_NEW_CHANNEL_SLOT:
+            fallback = first_byte & 1
+            slots, advance = _parse_number(data, pos)
+            pos += advance
+            send_quota, advance = _parse_number(data, pos)
+            pos += advance
+            if fallback == 1 and (slots != 0 or send_quota != 0):
+                raise Exception('slots and send_quota must be zero if F bit '
+                                'is set')
+            block.fallback = fallback
+            block.slots = slots
+            block.send_quota = send_quota
+            blocks.append(block)
+        else:
+            raise Exception(
+                'Unsupported mux opcode %d received' % opcode)
+
+    return blocks
+
+
+def _encode_channel_id(channel_id):
+    if channel_id < 0:
+        raise ValueError('Channel id %d must not be negative' % channel_id)
+
+    if channel_id < 2 ** 7:
+        return chr(channel_id)
+    if channel_id < 2 ** 14:
+        return struct.pack('!H', 0x8000 + channel_id)
+    if channel_id < 2 ** 21:
+        first = chr(0xc0 + (channel_id >> 16))
+        return first + struct.pack('!H', channel_id & 0xffff)
+    if channel_id < 2 ** 29:
+        return struct.pack('!L', 0xe0000000 + channel_id)
+
+    raise ValueError('Channel id %d is too large' % channel_id)
+
+
+def _encode_number(number):
+    if number <= 125:
+        return chr(number)
+    elif number < (1 << 16):
+        return chr(0x7e) + struct.pack('!H', number)
+    elif number < (1 << 63):
+        return chr(0x7f) + struct.pack('!Q', number)
+    else:
+        raise Exception('Invalid number')
+
+
+def _create_add_channel_request(channel_id, encoded_handshake,
+                                encoding=0):
+    length = len(encoded_handshake)
+    handshake_length = _encode_number(length)
+
+    first_byte = (_MUX_OPCODE_ADD_CHANNEL_REQUEST << 5) | encoding
+    return (chr(first_byte) + _encode_channel_id(channel_id) +
+            handshake_length + encoded_handshake)
+
+
+def _create_flow_control(channel_id, replenished_quota):
+    first_byte = (_MUX_OPCODE_FLOW_CONTROL << 5)
+    return (chr(first_byte) + _encode_channel_id(channel_id) +
+            _encode_number(replenished_quota))
+
+
+class _MuxReaderThread(threading.Thread):
+    """Mux reader thread.
+
+    Reads frames and passes them to the mux client. This thread accesses
+    private functions/variables of the mux client.
+    """
+
+    def __init__(self, mux):
+        threading.Thread.__init__(self)
+        self.setDaemon(True)
+        self._mux = mux
+        self._stop_requested = False
+
+    def _receive_message(self):
+        first_opcode = None
+        pending_payload = []
+        while not self._stop_requested:
+            fin, rsv1, rsv2, rsv3, opcode, payload_length = (
+                client_for_testing.read_frame_header(self._mux._socket))
+
+            if not first_opcode:
+                if opcode == client_for_testing.OPCODE_TEXT:
+                    raise Exception('Received a text message on physical '
+                                    'connection')
+                if opcode == client_for_testing.OPCODE_CONTINUATION:
+                    raise Exception('Received an intermediate frame but '
+                                    'fragmentation was not started')
+                if (opcode == client_for_testing.OPCODE_BINARY or
+                    opcode == client_for_testing.OPCODE_PONG or
+                    opcode == client_for_testing.OPCODE_PONG or
+                    opcode == client_for_testing.OPCODE_CLOSE):
+                    first_opcode = opcode
+                else:
+                    raise Exception('Received an undefined opcode frame: %d' %
+                                    opcode)
+
+            elif opcode != client_for_testing.OPCODE_CONTINUATION:
+                raise Exception('Received a new opcode before '
+                                'terminating fragmentation')
+
+            payload = client_for_testing.receive_bytes(
+                self._mux._socket, payload_length)
+
+            if self._mux._incoming_frame_filter is not None:
+                payload = self._mux._incoming_frame_filter.filter(payload)
+
+            pending_payload.append(payload)
+
+            if fin:
+                break
+
+        if self._stop_requested:
+            return None, None
+
+        message = ''.join(pending_payload)
+        return first_opcode, message
+
+    def request_stop(self):
+        self._stop_requested = True
+
+    def run(self):
+        try:
+            while not self._stop_requested:
+                # opcode is OPCODE_BINARY or control opcodes when a message
+                # is succesfully received.
+                opcode, message = self._receive_message()
+                if not opcode:
+                    return
+                if opcode == client_for_testing.OPCODE_BINARY:
+                    channel_id, advance = _parse_channel_id(message)
+                    self._mux._dispatch_frame(channel_id, message[advance:])
+                else:
+                    self._mux._process_control_message(opcode, message)
+        finally:
+            self._mux._notify_reader_done()
+
+
+class _InnerFrame(object):
+    def __init__(self, fin, rsv1, rsv2, rsv3, opcode, payload):
+        self.fin = fin
+        self.rsv1 = rsv1
+        self.rsv2 = rsv2
+        self.rsv3 = rsv3
+        self.opcode = opcode
+        self.payload = payload
+
+
+class _LogicalChannelData(object):
+    def __init__(self):
+        self.queue = Queue.Queue()
+        self.send_quota = 0
+        self.receive_quota = 0
+
+
+class MuxClient(object):
+    """WebSocket mux client.
+
+    Note that this class is NOT thread-safe. Do not access an instance of this
+    class from multiple threads at a same time.
+    """
+
+    def __init__(self, options):
+        self._logger = util.get_class_logger(self)
+
+        self._options = options
+        self._options.enable_mux()
+        self._stream = None
+        self._socket = None
+        self._handshake = client_for_testing.WebSocketHandshake(self._options)
+        self._incoming_frame_filter = None
+        self._outgoing_frame_filter = None
+
+        self._is_active = False
+        self._read_thread = None
+        self._control_blocks_condition = threading.Condition()
+        self._control_blocks = []
+        self._channel_slots = collections.deque()
+        self._logical_channels_condition = threading.Condition();
+        self._logical_channels = {}
+        self._timeout = 2
+        self._physical_connection_close_event = None
+        self._physical_connection_close_message = None
+
+    def _parse_inner_frame(self, data):
+        if len(data) == 0:
+            raise Exception('Invalid encapsulated frame received')
+
+        first_byte = ord(data[0])
+        fin = (first_byte << 7) & 1
+        rsv1 = (first_byte << 6) & 1
+        rsv2 = (first_byte << 5) & 1
+        rsv3 = (first_byte << 4) & 1
+        opcode = first_byte & 0xf
+
+        if self._outgoing_frame_filter:
+            payload = self._outgoing_frame_filter.filter(
+                data[1:])
+        else:
+            payload = data[1:]
+
+        return _InnerFrame(fin, rsv1, rsv2, rsv3, opcode, payload)
+
+    def _process_mux_control_blocks(self):
+        for block in self._control_blocks:
+            if block.opcode == _MUX_OPCODE_ADD_CHANNEL_RESPONSE:
+                # AddChannelResponse will be handled in add_channel().
+                continue
+            elif block.opcode == _MUX_OPCODE_FLOW_CONTROL:
+                try:
+                    self._logical_channels_condition.acquire()
+                    if not block.channel_id in self._logical_channels:
+                        raise Exception('Invalid flow control received for '
+                                        'channel id %d' % block.channel_id)
+                    self._logical_channels[block.channel_id].send_quota += (
+                        block.send_quota)
+                    self._logical_channels_condition.notify()
+                finally:
+                    self._logical_channels_condition.release()
+            elif block.opcode == _MUX_OPCODE_NEW_CHANNEL_SLOT:
+                self._channel_slots.extend([block.send_quota] * block.slots)
+
+    def _dispatch_frame(self, channel_id, payload):
+        if channel_id == _CONTROL_CHANNEL_ID:
+            try:
+                self._control_blocks_condition.acquire()
+                self._control_blocks += _parse_control_blocks(payload)
+                self._process_mux_control_blocks()
+                self._control_blocks_condition.notify()
+            finally:
+                self._control_blocks_condition.release()
+        else:
+            try:
+                self._logical_channels_condition.acquire()
+                if not channel_id in self._logical_channels:
+                    raise Exception('Received logical frame on channel id '
+                                    '%d, which is not established' %
+                                    channel_id)
+
+                inner_frame = self._parse_inner_frame(payload)
+                self._logical_channels[channel_id].receive_quota -= (
+                        len(inner_frame.payload))
+                if self._logical_channels[channel_id].receive_quota < 0:
+                    raise Exception('The server violates quota on '
+                                    'channel id %d' % channel_id)
+            finally:
+                self._logical_channels_condition.release()
+            self._logical_channels[channel_id].queue.put(inner_frame)
+
+    def _process_control_message(self, opcode, message):
+        # Ping/Pong are not supported.
+        if opcode == client_for_testing.OPCODE_CLOSE:
+            self._physical_connection_close_message = message
+            if self._is_active:
+                self._stream.send_close(
+                    code=client_for_testing.STATUS_NORMAL_CLOSURE, reason='')
+                self._read_thread.request_stop()
+
+            if self._physical_connection_close_event:
+                self._physical_connection_close_event.set()
+
+    def _notify_reader_done(self):
+        self._logger.debug('Read thread terminated.')
+        self.close_socket()
+
+    def _assert_channel_slot_available(self):
+        try:
+            self._control_blocks_condition.acquire()
+            if len(self._channel_slots) == 0:
+                # Wait once
+                self._control_blocks_condition.wait(timeout=self._timeout)
+        finally:
+            self._control_blocks_condition.release()
+
+        if len(self._channel_slots) == 0:
+            raise Exception('Failed to receive NewChannelSlot')
+
+    def _assert_send_quota_available(self, channel_id):
+        try:
+            self._logical_channels_condition.acquire()
+            if self._logical_channels[channel_id].send_quota == 0:
+                # Wait once
+                self._logical_channels_condition.wait(timeout=self._timeout)
+        finally:
+            self._logical_channels_condition.release()
+
+        if self._logical_channels[channel_id].send_quota == 0:
+            raise Exception('Failed to receive FlowControl for channel id %d' %
+                            channel_id)
+
+    def connect(self):
+        self._socket = client_for_testing.connect_socket_with_retry(
+                self._options.server_host,
+                self._options.server_port,
+                self._options.socket_timeout,
+                self._options.use_tls)
+
+        self._handshake.handshake(self._socket)
+        self._stream = client_for_testing.WebSocketStream(
+            self._socket, self._handshake)
+
+        self._logical_channels[_DEFAULT_CHANNEL_ID] = _LogicalChannelData()
+
+        self._read_thread = _MuxReaderThread(self)
+        self._read_thread.start()
+
+        self._assert_channel_slot_available()
+        self._assert_send_quota_available(_DEFAULT_CHANNEL_ID)
+
+        self._is_active = True
+        self._logger.info('Connection established')
+
+    def add_channel(self, channel_id, options):
+        if not self._is_active:
+            raise Exception('Mux client is not active')
+
+        if channel_id in self._logical_channels:
+            raise Exception('Channel id %d already exists' % channel_id)
+
+        try:
+            send_quota = self._channel_slots.popleft()
+        except IndexError, e:
+            raise Exception('No channel slots: %r' % e)
+
+        # Create AddChannel request
+        request_line = 'GET %s HTTP/1.1\r\n' % options.resource
+        fields = []
+        if options.server_port == client_for_testing.DEFAULT_PORT:
+            fields.append('Host: %s\r\n' % options.server_host.lower())
+        else:
+            fields.append('Host: %s:%d\r\n' % (options.server_host.lower(),
+                                               options.server_port))
+        fields.append('Origin: %s\r\n' % options.origin.lower())
+        fields.append('Connection: Upgrade\r\n')
+
+        if len(options.extensions) > 0:
+            fields.append('Sec-WebSocket-Extensions: %s\r\n' %
+                          ', '.join(options.extensions))
+
+        handshake = request_line + ''.join(fields) + '\r\n'
+        add_channel_request = _create_add_channel_request(
+            channel_id, handshake)
+        payload = _encode_channel_id(_CONTROL_CHANNEL_ID) + add_channel_request
+        self._stream.send_binary(payload)
+
+        # Wait AddChannelResponse
+        self._logger.debug('Waiting AddChannelResponse for the request...')
+        response = None
+        try:
+            self._control_blocks_condition.acquire()
+            while True:
+                for block in self._control_blocks:
+                    if block.opcode != _MUX_OPCODE_ADD_CHANNEL_RESPONSE:
+                        continue
+                    if block.channel_id == channel_id:
+                        response = block
+                        self._control_blocks.remove(response)
+                        break
+                if response:
+                    break
+                self._control_blocks_condition.wait(self._timeout)
+                if not self._is_active:
+                    raise Exception('AddChannelRequest timed out')
+        finally:
+            self._control_blocks_condition.release()
+
+        # Validate AddChannelResponse
+        if response.rejected:
+            raise Exception('The server rejected AddChannelRequest')
+
+        fields = _parse_handshake_response(response.encoded_handshake)
+
+        # Should we reject when Upgrade, Connection, or Sec-WebSocket-Accept
+        # headers exist?
+
+        self._logical_channels_condition.acquire()
+        self._logical_channels[channel_id] = _LogicalChannelData()
+        self._logical_channels[channel_id].send_quota = send_quota
+        self._logical_channels_condition.release()
+
+        self._logger.debug('Logical channel %d established' % channel_id)
+
+    def _check_logical_channel_is_opened(self, channel_id):
+        if not self._is_active:
+            raise Exception('Mux client is not active')
+
+        if not channel_id in self._logical_channels:
+            raise Exception('Logical channel %d is not established.')
+
+    def drop_channel(self, channel_id):
+        # TODO(bashi): Implement
+        pass
+
+    def send_flow_control(self, channel_id, replenished_quota):
+        self._check_logical_channel_is_opened(channel_id)
+        flow_control = _create_flow_control(channel_id, replenished_quota)
+        payload = _encode_channel_id(_CONTROL_CHANNEL_ID) + flow_control
+        # Replenish receive quota
+        try:
+            self._logical_channels_condition.acquire()
+            self._logical_channels[channel_id].receive_quota += (
+                replenished_quota)
+        finally:
+            self._logical_channels_condition.release()
+        self._stream.send_binary(payload)
+
+    def send_message(self, channel_id, message, end=True, binary=False):
+        self._check_logical_channel_is_opened(channel_id)
+
+        if binary:
+            first_byte = (end << 7) | client_for_testing.OPCODE_BINARY
+        else:
+            first_byte = (end << 7) | client_for_testing.OPCODE_TEXT
+            message = message.encode('utf-8')
+
+        try:
+            self._logical_channels_condition.acquire()
+            if self._logical_channels[channel_id].send_quota < len(message):
+                raise Exception('Send quota violation: %d < %d' % (
+                        self._logical_channels[channel_id].send_quota,
+                        len(message)))
+
+            self._logical_channels[channel_id].send_quota -= len(message)
+        finally:
+            self._logical_channels_condition.release()
+        payload = _encode_channel_id(channel_id) + chr(first_byte) + message
+        self._stream.send_binary(payload)
+
+    def assert_receive(self, channel_id, payload, binary=False):
+        self._check_logical_channel_is_opened(channel_id)
+
+        try:
+            inner_frame = self._logical_channels[channel_id].queue.get(
+                timeout=self._timeout)
+        except Queue.Empty, e:
+            raise Exception('Cannot receive message from channel id %d' %
+                            channel_id)
+
+        if binary:
+            opcode = client_for_testing.OPCODE_BINARY
+        else:
+            opcode = client_for_testing.OPCODE_TEXT
+
+        if inner_frame.opcode != opcode:
+            raise Exception('Unexpected opcode received (%r != %r)' %
+                            (expected_opcode, inner_frame.opcode))
+
+        if inner_frame.payload != payload:
+            raise Exception('Unexpected payload received')
+
+    def send_close(self, channel_id, code=None, reason=''):
+        self._check_logical_channel_is_opened(channel_id)
+
+        if code is not None:
+            body = struct.pack('!H', code) + reason.encode('utf-8')
+        else:
+            body = ''
+
+        first_byte = (1 << 7) | client_for_testing.OPCODE_CLOSE
+        payload = _encode_channel_id(channel_id) + chr(first_byte) + body
+        self._stream.send_binary(payload)
+
+    def assert_receive_close(self, channel_id):
+        self._check_logical_channel_is_opened(channel_id)
+
+        try:
+            inner_frame = self._logical_channels[channel_id].queue.get(
+                timeout=self._timeout)
+        except Queue.Empty, e:
+            raise Exception('Cannot receive message from channel id %d' %
+                            channel_id)
+        if inner_frame.opcode != client_for_testing.OPCODE_CLOSE:
+            raise Exception('Didn\'t receive close frame')
+
+    def send_physical_connection_close(self, code=None, reason=''):
+        self._physical_connection_close_event = threading.Event()
+        self._stream.send_close(code, reason)
+
+    # This method can be used only after calling
+    # send_physical_connection_close().
+    def assert_physical_connection_receive_close(
+        self, code=client_for_testing.STATUS_NORMAL_CLOSURE, reason=''):
+        self._physical_connection_close_event.wait(timeout=self._timeout)
+        if (not self._physical_connection_close_event.isSet() or
+            not self._physical_connection_close_message):
+            raise Exception('Didn\'t receive closing handshake')
+
+    def close_socket(self):
+        self._is_active = False
+        self._socket.close()
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/run_all.py b/testing/web-platform/tests/tools/pywebsocket/src/test/run_all.py
new file mode 100755
index 000000000..80a5d87d8
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/run_all.py
@@ -0,0 +1,89 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Run all tests in the same directory.
+
+This suite is expected to be run under pywebsocket's src directory, i.e. the
+directory containing mod_pywebsocket, test, etc.
+
+To change loggin level, please specify --log-level option.
+    python test/run_test.py --log-level debug
+
+To pass any option to unittest module, please specify options after '--'. For
+example, run this for making the test runner verbose.
+    python test/run_test.py --log-level debug -- -v
+"""
+
+
+import logging
+import optparse
+import os
+import re
+import sys
+import unittest
+
+
+_TEST_MODULE_PATTERN = re.compile(r'^(test_.+)\.py$')
+
+
+def _list_test_modules(directory):
+    module_names = []
+    for filename in os.listdir(directory):
+        match = _TEST_MODULE_PATTERN.search(filename)
+        if match:
+            module_names.append(match.group(1))
+    return module_names
+
+
+def _suite():
+    loader = unittest.TestLoader()
+    return loader.loadTestsFromNames(
+            _list_test_modules(os.path.join(os.path.split(__file__)[0], '.')))
+
+
+if __name__ == '__main__':
+    parser = optparse.OptionParser()
+    parser.add_option('--log-level', '--log_level', type='choice',
+                      dest='log_level', default='warning',
+                      choices=['debug', 'info', 'warning', 'warn', 'error',
+                               'critical'])
+    options, args = parser.parse_args()
+    logging.basicConfig(
+            level=logging.getLevelName(options.log_level.upper()),
+            format='%(levelname)s %(asctime)s '
+                   '%(filename)s:%(lineno)d] '
+                   '%(message)s',
+            datefmt='%H:%M:%S')
+    unittest.main(defaultTest='_suite', argv=[sys.argv[0]] + args)
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/set_sys_path.py b/testing/web-platform/tests/tools/pywebsocket/src/test/set_sys_path.py
new file mode 100644
index 000000000..e3c6db9ea
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/set_sys_path.py
@@ -0,0 +1,45 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Configuration for testing.
+
+Test files should import this module before mod_pywebsocket.
+"""
+
+
+import os
+import sys
+
+
+# Add the parent directory to sys.path to enable importing mod_pywebsocket.
+sys.path.insert(0, os.path.join(os.path.split(__file__)[0], '..'))
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_dispatch.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_dispatch.py
new file mode 100755
index 000000000..9ca3d4f3a
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_dispatch.py
@@ -0,0 +1,288 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for dispatch module."""
+
+
+import os
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket import dispatch
+from mod_pywebsocket import handshake
+from test import mock
+
+
+_TEST_HANDLERS_DIR = os.path.join(
+        os.path.split(__file__)[0], 'testdata', 'handlers')
+
+_TEST_HANDLERS_SUB_DIR = os.path.join(_TEST_HANDLERS_DIR, 'sub')
+
+
+class DispatcherTest(unittest.TestCase):
+    """A unittest for dispatch module."""
+
+    def test_normalize_path(self):
+        self.assertEqual(os.path.abspath('/a/b').replace('\\', '/'),
+                         dispatch._normalize_path('/a/b'))
+        self.assertEqual(os.path.abspath('/a/b').replace('\\', '/'),
+                         dispatch._normalize_path('\\a\\b'))
+        self.assertEqual(os.path.abspath('/a/b').replace('\\', '/'),
+                         dispatch._normalize_path('/a/c/../b'))
+        self.assertEqual(os.path.abspath('abc').replace('\\', '/'),
+                         dispatch._normalize_path('abc'))
+
+    def test_converter(self):
+        converter = dispatch._create_path_to_resource_converter('/a/b')
+        # Python built by MSC inserts a drive name like 'C:\' via realpath().
+        # Converter Generator expands provided path using realpath() and uses
+        # the path including a drive name to verify the prefix.
+        os_root = os.path.realpath('/')
+        self.assertEqual('/h', converter(os_root + 'a/b/h_wsh.py'))
+        self.assertEqual('/c/h', converter(os_root + 'a/b/c/h_wsh.py'))
+        self.assertEqual(None, converter(os_root + 'a/b/h.py'))
+        self.assertEqual(None, converter('a/b/h_wsh.py'))
+
+        converter = dispatch._create_path_to_resource_converter('a/b')
+        self.assertEqual('/h', converter(dispatch._normalize_path(
+            'a/b/h_wsh.py')))
+
+        converter = dispatch._create_path_to_resource_converter('/a/b///')
+        self.assertEqual('/h', converter(os_root + 'a/b/h_wsh.py'))
+        self.assertEqual('/h', converter(dispatch._normalize_path(
+            '/a/b/../b/h_wsh.py')))
+
+        converter = dispatch._create_path_to_resource_converter(
+            '/a/../a/b/../b/')
+        self.assertEqual('/h', converter(os_root + 'a/b/h_wsh.py'))
+
+        converter = dispatch._create_path_to_resource_converter(r'\a\b')
+        self.assertEqual('/h', converter(os_root + r'a\b\h_wsh.py'))
+        self.assertEqual('/h', converter(os_root + r'a/b/h_wsh.py'))
+
+    def test_enumerate_handler_file_paths(self):
+        paths = list(
+            dispatch._enumerate_handler_file_paths(_TEST_HANDLERS_DIR))
+        paths.sort()
+        self.assertEqual(8, len(paths))
+        expected_paths = [
+                os.path.join(_TEST_HANDLERS_DIR, 'abort_by_user_wsh.py'),
+                os.path.join(_TEST_HANDLERS_DIR, 'blank_wsh.py'),
+                os.path.join(_TEST_HANDLERS_DIR, 'origin_check_wsh.py'),
+                os.path.join(_TEST_HANDLERS_DIR, 'sub',
+                             'exception_in_transfer_wsh.py'),
+                os.path.join(_TEST_HANDLERS_DIR, 'sub', 'non_callable_wsh.py'),
+                os.path.join(_TEST_HANDLERS_DIR, 'sub', 'plain_wsh.py'),
+                os.path.join(_TEST_HANDLERS_DIR, 'sub',
+                             'wrong_handshake_sig_wsh.py'),
+                os.path.join(_TEST_HANDLERS_DIR, 'sub',
+                             'wrong_transfer_sig_wsh.py'),
+                ]
+        for expected, actual in zip(expected_paths, paths):
+            self.assertEqual(expected, actual)
+
+    def test_source_handler_file(self):
+        self.assertRaises(
+            dispatch.DispatchException, dispatch._source_handler_file, '')
+        self.assertRaises(
+            dispatch.DispatchException, dispatch._source_handler_file, 'def')
+        self.assertRaises(
+            dispatch.DispatchException, dispatch._source_handler_file, '1/0')
+        self.failUnless(dispatch._source_handler_file(
+                'def web_socket_do_extra_handshake(request):pass\n'
+                'def web_socket_transfer_data(request):pass\n'))
+
+    def test_source_warnings(self):
+        dispatcher = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+        warnings = dispatcher.source_warnings()
+        warnings.sort()
+        expected_warnings = [
+                (os.path.realpath(os.path.join(
+                    _TEST_HANDLERS_DIR, 'blank_wsh.py')) +
+                 ': web_socket_do_extra_handshake is not defined.'),
+                (os.path.realpath(os.path.join(
+                    _TEST_HANDLERS_DIR, 'sub', 'non_callable_wsh.py')) +
+                 ': web_socket_do_extra_handshake is not callable.'),
+                (os.path.realpath(os.path.join(
+                    _TEST_HANDLERS_DIR, 'sub', 'wrong_handshake_sig_wsh.py')) +
+                 ': web_socket_do_extra_handshake is not defined.'),
+                (os.path.realpath(os.path.join(
+                    _TEST_HANDLERS_DIR, 'sub', 'wrong_transfer_sig_wsh.py')) +
+                 ': web_socket_transfer_data is not defined.'),
+                ]
+        self.assertEquals(4, len(warnings))
+        for expected, actual in zip(expected_warnings, warnings):
+            self.assertEquals(expected, actual)
+
+    def test_do_extra_handshake(self):
+        dispatcher = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+        request = mock.MockRequest()
+        request.ws_resource = '/origin_check'
+        request.ws_origin = 'http://example.com'
+        dispatcher.do_extra_handshake(request)  # Must not raise exception.
+
+        request.ws_origin = 'http://bad.example.com'
+        try:
+            dispatcher.do_extra_handshake(request)
+            self.fail('Could not catch HandshakeException with 403 status')
+        except handshake.HandshakeException, e:
+            self.assertEquals(403, e.status)
+        except Exception, e:
+            self.fail('Unexpected exception: %r' % e)
+
+    def test_abort_extra_handshake(self):
+        dispatcher = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+        request = mock.MockRequest()
+        request.ws_resource = '/abort_by_user'
+        self.assertRaises(handshake.AbortedByUserException,
+                          dispatcher.do_extra_handshake, request)
+
+    def test_transfer_data(self):
+        dispatcher = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+
+        request = mock.MockRequest(connection=mock.MockConn('\xff\x00'))
+        request.ws_resource = '/origin_check'
+        request.ws_protocol = 'p1'
+        dispatcher.transfer_data(request)
+        self.assertEqual('origin_check_wsh.py is called for /origin_check, p1'
+                         '\xff\x00',
+                         request.connection.written_data())
+
+        request = mock.MockRequest(connection=mock.MockConn('\xff\x00'))
+        request.ws_resource = '/sub/plain'
+        request.ws_protocol = None
+        dispatcher.transfer_data(request)
+        self.assertEqual('sub/plain_wsh.py is called for /sub/plain, None'
+                         '\xff\x00',
+                         request.connection.written_data())
+
+        request = mock.MockRequest(connection=mock.MockConn('\xff\x00'))
+        request.ws_resource = '/sub/plain?'
+        request.ws_protocol = None
+        dispatcher.transfer_data(request)
+        self.assertEqual('sub/plain_wsh.py is called for /sub/plain?, None'
+                         '\xff\x00',
+                         request.connection.written_data())
+
+        request = mock.MockRequest(connection=mock.MockConn('\xff\x00'))
+        request.ws_resource = '/sub/plain?q=v'
+        request.ws_protocol = None
+        dispatcher.transfer_data(request)
+        self.assertEqual('sub/plain_wsh.py is called for /sub/plain?q=v, None'
+                         '\xff\x00',
+                         request.connection.written_data())
+
+    def test_transfer_data_no_handler(self):
+        dispatcher = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+        for resource in ['/blank', '/sub/non_callable',
+                         '/sub/no_wsh_at_the_end', '/does/not/exist']:
+            request = mock.MockRequest(connection=mock.MockConn(''))
+            request.ws_resource = resource
+            request.ws_protocol = 'p2'
+            try:
+                dispatcher.transfer_data(request)
+                self.fail()
+            except dispatch.DispatchException, e:
+                self.failUnless(str(e).find('No handler') != -1)
+            except Exception:
+                self.fail()
+
+    def test_transfer_data_handler_exception(self):
+        dispatcher = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+        request = mock.MockRequest(connection=mock.MockConn(''))
+        request.ws_resource = '/sub/exception_in_transfer'
+        request.ws_protocol = 'p3'
+        try:
+            dispatcher.transfer_data(request)
+            self.fail()
+        except Exception, e:
+            self.failUnless(str(e).find('Intentional') != -1,
+                            'Unexpected exception: %s' % e)
+
+    def test_abort_transfer_data(self):
+        dispatcher = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+        request = mock.MockRequest()
+        request.ws_resource = '/abort_by_user'
+        self.assertRaises(handshake.AbortedByUserException,
+                          dispatcher.transfer_data, request)
+
+    def test_scan_dir(self):
+        disp = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+        self.assertEqual(4, len(disp._handler_suite_map))
+        self.failUnless('/origin_check' in disp._handler_suite_map)
+        self.failUnless(
+            '/sub/exception_in_transfer' in disp._handler_suite_map)
+        self.failUnless('/sub/plain' in disp._handler_suite_map)
+
+    def test_scan_sub_dir(self):
+        disp = dispatch.Dispatcher(_TEST_HANDLERS_DIR, _TEST_HANDLERS_SUB_DIR)
+        self.assertEqual(2, len(disp._handler_suite_map))
+        self.failIf('/origin_check' in disp._handler_suite_map)
+        self.failUnless(
+            '/sub/exception_in_transfer' in disp._handler_suite_map)
+        self.failUnless('/sub/plain' in disp._handler_suite_map)
+
+    def test_scan_sub_dir_as_root(self):
+        disp = dispatch.Dispatcher(_TEST_HANDLERS_SUB_DIR,
+                                   _TEST_HANDLERS_SUB_DIR)
+        self.assertEqual(2, len(disp._handler_suite_map))
+        self.failIf('/origin_check' in disp._handler_suite_map)
+        self.failIf('/sub/exception_in_transfer' in disp._handler_suite_map)
+        self.failIf('/sub/plain' in disp._handler_suite_map)
+        self.failUnless('/exception_in_transfer' in disp._handler_suite_map)
+        self.failUnless('/plain' in disp._handler_suite_map)
+
+    def test_scan_dir_must_under_root(self):
+        dispatch.Dispatcher('a/b', 'a/b/c')  # OK
+        dispatch.Dispatcher('a/b///', 'a/b')  # OK
+        self.assertRaises(dispatch.DispatchException,
+                          dispatch.Dispatcher, 'a/b/c', 'a/b')
+
+    def test_resource_path_alias(self):
+        disp = dispatch.Dispatcher(_TEST_HANDLERS_DIR, None)
+        disp.add_resource_path_alias('/', '/origin_check')
+        self.assertEqual(5, len(disp._handler_suite_map))
+        self.failUnless('/origin_check' in disp._handler_suite_map)
+        self.failUnless(
+            '/sub/exception_in_transfer' in disp._handler_suite_map)
+        self.failUnless('/sub/plain' in disp._handler_suite_map)
+        self.failUnless('/' in disp._handler_suite_map)
+        self.assertRaises(dispatch.DispatchException,
+                          disp.add_resource_path_alias, '/alias', '/not-exist')
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_endtoend.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_endtoend.py
new file mode 100755
index 000000000..5e5cf6157
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_endtoend.py
@@ -0,0 +1,753 @@
+#!/usr/bin/env python
+#
+# Copyright 2012, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""End-to-end tests for pywebsocket. Tests standalone.py by default. You
+can also test mod_pywebsocket hosted on an Apache server by setting
+_use_external_server to True and modifying _external_server_port to point to
+the port on which the Apache server is running.
+"""
+
+
+import logging
+import os
+import signal
+import socket
+import subprocess
+import sys
+import time
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from test import client_for_testing
+from test import mux_client_for_testing
+
+
+# Special message that tells the echo server to start closing handshake
+_GOODBYE_MESSAGE = 'Goodbye'
+
+_SERVER_WARMUP_IN_SEC = 0.2
+
+# If you want to use external server to run end to end tests, set following
+# parameters correctly.
+_use_external_server = False
+_external_server_port = 0
+
+
+# Test body functions
+def _echo_check_procedure(client):
+    client.connect()
+
+    client.send_message('test')
+    client.assert_receive('test')
+    client.send_message('helloworld')
+    client.assert_receive('helloworld')
+
+    client.send_close()
+    client.assert_receive_close()
+
+    client.assert_connection_closed()
+
+
+def _echo_check_procedure_with_binary(client):
+    client.connect()
+
+    client.send_message('binary', binary=True)
+    client.assert_receive('binary', binary=True)
+    client.send_message('\x00\x80\xfe\xff\x00\x80', binary=True)
+    client.assert_receive('\x00\x80\xfe\xff\x00\x80', binary=True)
+
+    client.send_close()
+    client.assert_receive_close()
+
+    client.assert_connection_closed()
+
+
+def _echo_check_procedure_with_goodbye(client):
+    client.connect()
+
+    client.send_message('test')
+    client.assert_receive('test')
+
+    client.send_message(_GOODBYE_MESSAGE)
+    client.assert_receive(_GOODBYE_MESSAGE)
+
+    client.assert_receive_close()
+    client.send_close()
+
+    client.assert_connection_closed()
+
+
+def _echo_check_procedure_with_code_and_reason(client, code, reason):
+    client.connect()
+
+    client.send_close(code, reason)
+    client.assert_receive_close(code, reason)
+
+    client.assert_connection_closed()
+
+
+def _unmasked_frame_check_procedure(client):
+    client.connect()
+
+    client.send_message('test', mask=False)
+    client.assert_receive_close(client_for_testing.STATUS_PROTOCOL_ERROR, '')
+
+    client.assert_connection_closed()
+
+
+def _mux_echo_check_procedure(mux_client):
+    mux_client.connect()
+    mux_client.send_flow_control(1, 1024)
+
+    logical_channel_options = client_for_testing.ClientOptions()
+    logical_channel_options.server_host = 'localhost'
+    logical_channel_options.server_port = 80
+    logical_channel_options.origin = 'http://localhost'
+    logical_channel_options.resource = '/echo'
+    mux_client.add_channel(2, logical_channel_options)
+    mux_client.send_flow_control(2, 1024)
+
+    mux_client.send_message(2, 'test')
+    mux_client.assert_receive(2, 'test')
+
+    mux_client.add_channel(3, logical_channel_options)
+    mux_client.send_flow_control(3, 1024)
+
+    mux_client.send_message(2, 'hello')
+    mux_client.send_message(3, 'world')
+    mux_client.assert_receive(2, 'hello')
+    mux_client.assert_receive(3, 'world')
+
+    # Don't send close message on channel id 1 so that server-initiated
+    # closing handshake won't occur.
+    mux_client.send_close(2)
+    mux_client.send_close(3)
+    mux_client.assert_receive_close(2)
+    mux_client.assert_receive_close(3)
+
+    mux_client.send_physical_connection_close()
+    mux_client.assert_physical_connection_receive_close()
+
+
+class EndToEndTestBase(unittest.TestCase):
+    """Base class for end-to-end tests that launch pywebsocket standalone
+    server as a separate process, connect to it using the client_for_testing
+    module, and check if the server behaves correctly by exchanging opening
+    handshake and frames over a TCP connection.
+    """
+
+    def setUp(self):
+        self.server_stderr = None
+        self.top_dir = os.path.join(os.path.split(__file__)[0], '..')
+        os.putenv('PYTHONPATH', os.path.pathsep.join(sys.path))
+        self.standalone_command = os.path.join(
+            self.top_dir, 'mod_pywebsocket', 'standalone.py')
+        self.document_root = os.path.join(self.top_dir, 'example')
+        s = socket.socket()
+        s.bind(('localhost', 0))
+        (_, self.test_port) = s.getsockname()
+        s.close()
+
+        self._options = client_for_testing.ClientOptions()
+        self._options.server_host = 'localhost'
+        self._options.origin = 'http://localhost'
+        self._options.resource = '/echo'
+
+        # TODO(toyoshim): Eliminate launching a standalone server on using
+        # external server.
+
+        if _use_external_server:
+            self._options.server_port = _external_server_port
+        else:
+            self._options.server_port = self.test_port
+
+    # TODO(tyoshino): Use tearDown to kill the server.
+
+    def _run_python_command(self, commandline, stdout=None, stderr=None):
+        return subprocess.Popen([sys.executable] + commandline, close_fds=True,
+                                stdout=stdout, stderr=stderr)
+
+    def _run_server(self):
+        args = [self.standalone_command,
+                '-H', 'localhost',
+                '-V', 'localhost',
+                '-p', str(self.test_port),
+                '-P', str(self.test_port),
+                '-d', self.document_root]
+
+        # Inherit the level set to the root logger by test runner.
+        root_logger = logging.getLogger()
+        log_level = root_logger.getEffectiveLevel()
+        if log_level != logging.NOTSET:
+            args.append('--log-level')
+            args.append(logging.getLevelName(log_level).lower())
+
+        return self._run_python_command(args,
+                                        stderr=self.server_stderr)
+
+    def _kill_process(self, pid):
+        if sys.platform in ('win32', 'cygwin'):
+            subprocess.call(
+                ('taskkill.exe', '/f', '/pid', str(pid)), close_fds=True)
+        else:
+            os.kill(pid, signal.SIGKILL)
+
+
+class EndToEndHyBiTest(EndToEndTestBase):
+    def setUp(self):
+        EndToEndTestBase.setUp(self)
+
+    def _run_test_with_client_options(self, test_function, options):
+        server = self._run_server()
+        try:
+            # TODO(tyoshino): add some logic to poll the server until it
+            # becomes ready
+            time.sleep(_SERVER_WARMUP_IN_SEC)
+
+            client = client_for_testing.create_client(options)
+            try:
+                test_function(client)
+            finally:
+                client.close_socket()
+        finally:
+            self._kill_process(server.pid)
+
+    def _run_test(self, test_function):
+        self._run_test_with_client_options(test_function, self._options)
+
+    def _run_deflate_frame_test(self, test_function):
+        server = self._run_server()
+        try:
+            time.sleep(_SERVER_WARMUP_IN_SEC)
+
+            self._options.enable_deflate_frame()
+            client = client_for_testing.create_client(self._options)
+            try:
+                test_function(client)
+            finally:
+                client.close_socket()
+        finally:
+            self._kill_process(server.pid)
+
+    def _run_permessage_deflate_test(
+            self, offer, response_checker, test_function):
+        server = self._run_server()
+        try:
+            time.sleep(_SERVER_WARMUP_IN_SEC)
+
+            self._options.extensions += offer
+            self._options.check_permessage_deflate = response_checker
+            client = client_for_testing.create_client(self._options)
+
+            try:
+                client.connect()
+
+                if test_function is not None:
+                    test_function(client)
+
+                client.assert_connection_closed()
+            finally:
+                client.close_socket()
+        finally:
+            self._kill_process(server.pid)
+
+    def _run_close_with_code_and_reason_test(self, test_function, code,
+                                                  reason):
+        server = self._run_server()
+        try:
+            time.sleep(_SERVER_WARMUP_IN_SEC)
+
+            client = client_for_testing.create_client(self._options)
+            try:
+                test_function(client, code, reason)
+            finally:
+                client.close_socket()
+        finally:
+            self._kill_process(server.pid)
+
+    def _run_http_fallback_test(self, options, status):
+        server = self._run_server()
+        try:
+            time.sleep(_SERVER_WARMUP_IN_SEC)
+
+            client = client_for_testing.create_client(options)
+            try:
+                client.connect()
+                self.fail('Could not catch HttpStatusException')
+            except client_for_testing.HttpStatusException, e:
+                self.assertEqual(status, e.status)
+            except Exception, e:
+                self.fail('Catch unexpected exception')
+            finally:
+                client.close_socket()
+        finally:
+            self._kill_process(server.pid)
+
+    def _run_mux_test(self, test_function):
+        server = self._run_server()
+        try:
+            time.sleep(_SERVER_WARMUP_IN_SEC)
+
+            client = mux_client_for_testing.MuxClient(self._options)
+            try:
+                test_function(client)
+            finally:
+                client.close_socket()
+        finally:
+            self._kill_process(server.pid)
+
+    def test_echo(self):
+        self._run_test(_echo_check_procedure)
+
+    def test_echo_binary(self):
+        self._run_test(_echo_check_procedure_with_binary)
+
+    def test_echo_server_close(self):
+        self._run_test(_echo_check_procedure_with_goodbye)
+
+    def test_unmasked_frame(self):
+        self._run_test(_unmasked_frame_check_procedure)
+
+    def test_echo_deflate_frame(self):
+        self._run_deflate_frame_test(_echo_check_procedure)
+
+    def test_echo_deflate_frame_server_close(self):
+        self._run_deflate_frame_test(
+            _echo_check_procedure_with_goodbye)
+
+    def test_echo_permessage_deflate(self):
+        def test_function(client):
+            # From the examples in the spec.
+            compressed_hello = '\xf2\x48\xcd\xc9\xc9\x07\x00'
+            client._stream.send_data(
+                    compressed_hello,
+                    client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.assert_receive_binary(
+                    compressed_hello,
+                    opcode=client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            self.assertEquals('permessage-deflate', parameter.name())
+            self.assertEquals([], parameter.get_parameters())
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate'],
+                response_checker,
+                test_function)
+
+    def test_echo_permessage_deflate_two_frames(self):
+        def test_function(client):
+            # From the examples in the spec.
+            client._stream.send_data(
+                    '\xf2\x48\xcd',
+                    client_for_testing.OPCODE_TEXT,
+                    end=False,
+                    rsv1=1)
+            client._stream.send_data(
+                    '\xc9\xc9\x07\x00',
+                    client_for_testing.OPCODE_TEXT)
+            client._stream.assert_receive_binary(
+                    '\xf2\x48\xcd\xc9\xc9\x07\x00',
+                    opcode=client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            self.assertEquals('permessage-deflate', parameter.name())
+            self.assertEquals([], parameter.get_parameters())
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate'],
+                response_checker,
+                test_function)
+
+    def test_echo_permessage_deflate_two_messages(self):
+        def test_function(client):
+            # From the examples in the spec.
+            client._stream.send_data(
+                    '\xf2\x48\xcd\xc9\xc9\x07\x00',
+                    client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.send_data(
+                    '\xf2\x00\x11\x00\x00',
+                    client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.assert_receive_binary(
+                    '\xf2\x48\xcd\xc9\xc9\x07\x00',
+                    opcode=client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.assert_receive_binary(
+                    '\xf2\x00\x11\x00\x00',
+                    opcode=client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            self.assertEquals('permessage-deflate', parameter.name())
+            self.assertEquals([], parameter.get_parameters())
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate'],
+                response_checker,
+                test_function)
+
+    def test_echo_permessage_deflate_two_msgs_server_no_context_takeover(self):
+        def test_function(client):
+            # From the examples in the spec.
+            client._stream.send_data(
+                    '\xf2\x48\xcd\xc9\xc9\x07\x00',
+                    client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.send_data(
+                    '\xf2\x00\x11\x00\x00',
+                    client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.assert_receive_binary(
+                    '\xf2\x48\xcd\xc9\xc9\x07\x00',
+                    opcode=client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.assert_receive_binary(
+                    '\xf2\x48\xcd\xc9\xc9\x07\x00',
+                    opcode=client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            self.assertEquals('permessage-deflate', parameter.name())
+            self.assertEquals([('server_no_context_takeover', None)],
+                              parameter.get_parameters())
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate; server_no_context_takeover'],
+                response_checker,
+                test_function)
+
+    def test_echo_permessage_deflate_preference(self):
+        def test_function(client):
+            # From the examples in the spec.
+            compressed_hello = '\xf2\x48\xcd\xc9\xc9\x07\x00'
+            client._stream.send_data(
+                    compressed_hello,
+                    client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.assert_receive_binary(
+                    compressed_hello,
+                    opcode=client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            self.assertEquals('permessage-deflate', parameter.name())
+            self.assertEquals([], parameter.get_parameters())
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate', 'deflate-frame'],
+                response_checker,
+                test_function)
+
+    def test_echo_permessage_deflate_with_parameters(self):
+        def test_function(client):
+            # From the examples in the spec.
+            compressed_hello = '\xf2\x48\xcd\xc9\xc9\x07\x00'
+            client._stream.send_data(
+                    compressed_hello,
+                    client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+            client._stream.assert_receive_binary(
+                    compressed_hello,
+                    opcode=client_for_testing.OPCODE_TEXT,
+                    rsv1=1)
+
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            self.assertEquals('permessage-deflate', parameter.name())
+            self.assertEquals([('server_max_window_bits', '10'),
+                               ('server_no_context_takeover', None)],
+                              parameter.get_parameters())
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate; server_max_window_bits=10; '
+                 'server_no_context_takeover'],
+                response_checker,
+                test_function)
+
+    def test_echo_permessage_deflate_with_bad_server_max_window_bits(self):
+        def test_function(client):
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            raise Exception('Unexpected acceptance of permessage-deflate')
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate; server_max_window_bits=3000000'],
+                response_checker,
+                test_function)
+
+    def test_echo_permessage_deflate_with_bad_server_max_window_bits(self):
+        def test_function(client):
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            raise Exception('Unexpected acceptance of permessage-deflate')
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate; server_max_window_bits=3000000'],
+                response_checker,
+                test_function)
+
+    def test_echo_permessage_deflate_with_undefined_parameter(self):
+        def test_function(client):
+            client.send_close()
+            client.assert_receive_close()
+
+        def response_checker(parameter):
+            raise Exception('Unexpected acceptance of permessage-deflate')
+
+        self._run_permessage_deflate_test(
+                ['permessage-deflate; foo=bar'],
+                response_checker,
+                test_function)
+
+    def test_echo_close_with_code_and_reason(self):
+        self._options.resource = '/close'
+        self._run_close_with_code_and_reason_test(
+            _echo_check_procedure_with_code_and_reason, 3333, 'sunsunsunsun')
+
+    def test_echo_close_with_empty_body(self):
+        self._options.resource = '/close'
+        self._run_close_with_code_and_reason_test(
+            _echo_check_procedure_with_code_and_reason, None, '')
+
+    def test_mux_echo(self):
+        self._run_mux_test(_mux_echo_check_procedure)
+
+    def test_close_on_protocol_error(self):
+        """Tests that the server sends a close frame with protocol error status
+        code when the client sends data with some protocol error.
+        """
+
+        def test_function(client):
+            client.connect()
+
+            # Intermediate frame without any preceding start of fragmentation
+            # frame.
+            client.send_frame_of_arbitrary_bytes('\x80\x80', '')
+            client.assert_receive_close(
+                client_for_testing.STATUS_PROTOCOL_ERROR)
+
+        self._run_test(test_function)
+
+    def test_close_on_unsupported_frame(self):
+        """Tests that the server sends a close frame with unsupported operation
+        status code when the client sends data asking some operation that is
+        not supported by the server.
+        """
+
+        def test_function(client):
+            client.connect()
+
+            # Text frame with RSV3 bit raised.
+            client.send_frame_of_arbitrary_bytes('\x91\x80', '')
+            client.assert_receive_close(
+                client_for_testing.STATUS_UNSUPPORTED_DATA)
+
+        self._run_test(test_function)
+
+    def test_close_on_invalid_frame(self):
+        """Tests that the server sends a close frame with invalid frame payload
+        data status code when the client sends an invalid frame like containing
+        invalid UTF-8 character.
+        """
+
+        def test_function(client):
+            client.connect()
+
+            # Text frame with invalid UTF-8 string.
+            client.send_message('\x80', raw=True)
+            client.assert_receive_close(
+                client_for_testing.STATUS_INVALID_FRAME_PAYLOAD_DATA)
+
+        self._run_test(test_function)
+
+    def test_close_on_internal_endpoint_error(self):
+        """Tests that the server sends a close frame with internal endpoint
+        error status code when the handler does bad operation.
+        """
+
+        self._options.resource = '/internal_error'
+
+        def test_function(client):
+            client.connect()
+            client.assert_receive_close(
+                client_for_testing.STATUS_INTERNAL_ENDPOINT_ERROR)
+
+        self._run_test(test_function)
+
+    # TODO(toyoshim): Add tests to verify invalid absolute uri handling like
+    # host unmatch, port unmatch and invalid port description (':' without port
+    # number).
+
+    def test_absolute_uri(self):
+        """Tests absolute uri request."""
+
+        options = self._options
+        options.resource = 'ws://localhost:%d/echo' % options.server_port
+        self._run_test_with_client_options(_echo_check_procedure, options)
+
+    def test_origin_check(self):
+        """Tests http fallback on origin check fail."""
+
+        options = self._options
+        options.resource = '/origin_check'
+        # Server shows warning message for http 403 fallback. This warning
+        # message is confusing. Following pipe disposes warning messages.
+        self.server_stderr = subprocess.PIPE
+        self._run_http_fallback_test(options, 403)
+
+    def test_version_check(self):
+        """Tests http fallback on version check fail."""
+
+        options = self._options
+        options.version = 99
+        self._run_http_fallback_test(options, 400)
+
+
+class EndToEndHyBi00Test(EndToEndTestBase):
+    def setUp(self):
+        EndToEndTestBase.setUp(self)
+
+    def _run_test(self, test_function):
+        server = self._run_server()
+        try:
+            time.sleep(_SERVER_WARMUP_IN_SEC)
+
+            client = client_for_testing.create_client_hybi00(self._options)
+            try:
+                test_function(client)
+            finally:
+                client.close_socket()
+        finally:
+            self._kill_process(server.pid)
+
+    def test_echo(self):
+        self._run_test(_echo_check_procedure)
+
+    def test_echo_server_close(self):
+        self._run_test(_echo_check_procedure_with_goodbye)
+
+
+class EndToEndTestWithEchoClient(EndToEndTestBase):
+    def setUp(self):
+        EndToEndTestBase.setUp(self)
+
+    def _check_example_echo_client_result(
+        self, expected, stdoutdata, stderrdata):
+        actual = stdoutdata.decode("utf-8")
+        if actual != expected:
+            raise Exception('Unexpected result on example echo client: '
+                            '%r (expected) vs %r (actual)' %
+                            (expected, actual))
+        if stderrdata is not None:
+            raise Exception('Unexpected error message on example echo '
+                            'client: %r' % stderrdata)
+
+    def test_example_echo_client(self):
+        """Tests that the echo_client.py example can talk with the server."""
+
+        server = self._run_server()
+        try:
+            time.sleep(_SERVER_WARMUP_IN_SEC)
+
+            client_command = os.path.join(
+                self.top_dir, 'example', 'echo_client.py')
+
+            # Expected output for the default messages.
+            default_expectation = ('Send: Hello\n' 'Recv: Hello\n'
+                u'Send: \u65e5\u672c\n' u'Recv: \u65e5\u672c\n'
+                'Send close\n' 'Recv ack\n')
+
+            args = [client_command,
+                    '-p', str(self._options.server_port)]
+            client = self._run_python_command(args, stdout=subprocess.PIPE)
+            stdoutdata, stderrdata = client.communicate()
+            self._check_example_echo_client_result(
+                    default_expectation, stdoutdata, stderrdata)
+
+            # Process a big message for which extended payload length is used.
+            # To handle extended payload length, ws_version attribute will be
+            # accessed. This test checks that ws_version is correctly set.
+            big_message = 'a' * 1024
+            args = [client_command,
+                    '-p', str(self._options.server_port),
+                    '-m', big_message]
+            client = self._run_python_command(args, stdout=subprocess.PIPE)
+            stdoutdata, stderrdata = client.communicate()
+            expected = ('Send: %s\nRecv: %s\nSend close\nRecv ack\n' %
+                        (big_message, big_message))
+            self._check_example_echo_client_result(
+                expected, stdoutdata, stderrdata)
+
+            # Test the permessage-deflate extension.
+            args = [client_command,
+                    '-p', str(self._options.server_port),
+                    '--use_permessage_deflate']
+            client = self._run_python_command(args, stdout=subprocess.PIPE)
+            stdoutdata, stderrdata = client.communicate()
+            self._check_example_echo_client_result(
+                    default_expectation, stdoutdata, stderrdata)
+        finally:
+            self._kill_process(server.pid)
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_extensions.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_extensions.py
new file mode 100755
index 000000000..6c8b1262d
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_extensions.py
@@ -0,0 +1,360 @@
+#!/usr/bin/env python
+#
+# Copyright 2012, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for extensions module."""
+
+
+import unittest
+import zlib
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket import common
+from mod_pywebsocket import extensions
+
+
+class ExtensionsTest(unittest.TestCase):
+    """A unittest for non-class methods in extensions.py"""
+
+    def test_parse_window_bits(self):
+        self.assertRaises(ValueError, extensions._parse_window_bits, None)
+        self.assertRaises(ValueError, extensions._parse_window_bits, 'foobar')
+        self.assertRaises(ValueError, extensions._parse_window_bits, ' 8 ')
+        self.assertRaises(ValueError, extensions._parse_window_bits, 'a8a')
+        self.assertRaises(ValueError, extensions._parse_window_bits, '00000')
+        self.assertRaises(ValueError, extensions._parse_window_bits, '00008')
+        self.assertRaises(ValueError, extensions._parse_window_bits, '0x8')
+
+        self.assertRaises(ValueError, extensions._parse_window_bits, '9.5')
+        self.assertRaises(ValueError, extensions._parse_window_bits, '8.0')
+
+        self.assertTrue(extensions._parse_window_bits, '8')
+        self.assertTrue(extensions._parse_window_bits, '15')
+
+        self.assertRaises(ValueError, extensions._parse_window_bits, '-8')
+        self.assertRaises(ValueError, extensions._parse_window_bits, '0')
+        self.assertRaises(ValueError, extensions._parse_window_bits, '7')
+
+        self.assertRaises(ValueError, extensions._parse_window_bits, '16')
+        self.assertRaises(
+                ValueError, extensions._parse_window_bits, '10000000')
+
+
+class CompressionMethodParameterParserTest(unittest.TestCase):
+    """A unittest for _parse_compression_method which parses the compression
+    method description used by perframe-compression and permessage-compression
+    extension in their "method" extension parameter.
+    """
+
+    def test_parse_method_simple(self):
+        method_list = extensions._parse_compression_method('foo')
+        self.assertEqual(1, len(method_list))
+        method = method_list[0]
+        self.assertEqual('foo', method.name())
+        self.assertEqual(0, len(method.get_parameters()))
+
+    def test_parse_method_with_parameter(self):
+        method_list = extensions._parse_compression_method('foo; x; y=10')
+        self.assertEqual(1, len(method_list))
+        method = method_list[0]
+        self.assertEqual('foo', method.name())
+        self.assertEqual(2, len(method.get_parameters()))
+        self.assertTrue(method.has_parameter('x'))
+        self.assertEqual(None, method.get_parameter_value('x'))
+        self.assertTrue(method.has_parameter('y'))
+        self.assertEqual('10', method.get_parameter_value('y'))
+
+    def test_parse_method_with_quoted_parameter(self):
+        method_list = extensions._parse_compression_method(
+            'foo; x="Hello World"; y=10')
+        self.assertEqual(1, len(method_list))
+        method = method_list[0]
+        self.assertEqual('foo', method.name())
+        self.assertEqual(2, len(method.get_parameters()))
+        self.assertTrue(method.has_parameter('x'))
+        self.assertEqual('Hello World', method.get_parameter_value('x'))
+        self.assertTrue(method.has_parameter('y'))
+        self.assertEqual('10', method.get_parameter_value('y'))
+
+    def test_parse_method_multiple(self):
+        method_list = extensions._parse_compression_method('foo, bar')
+        self.assertEqual(2, len(method_list))
+        self.assertEqual('foo', method_list[0].name())
+        self.assertEqual(0, len(method_list[0].get_parameters()))
+        self.assertEqual('bar', method_list[1].name())
+        self.assertEqual(0, len(method_list[1].get_parameters()))
+
+    def test_parse_method_multiple_methods_with_quoted_parameter(self):
+        method_list = extensions._parse_compression_method(
+            'foo; x="Hello World", bar; y=10')
+        self.assertEqual(2, len(method_list))
+        self.assertEqual('foo', method_list[0].name())
+        self.assertEqual(1, len(method_list[0].get_parameters()))
+        self.assertTrue(method_list[0].has_parameter('x'))
+        self.assertEqual('Hello World',
+                         method_list[0].get_parameter_value('x'))
+        self.assertEqual('bar', method_list[1].name())
+        self.assertEqual(1, len(method_list[1].get_parameters()))
+        self.assertTrue(method_list[1].has_parameter('y'))
+        self.assertEqual('10', method_list[1].get_parameter_value('y'))
+
+    def test_create_method_desc_simple(self):
+        params = common.ExtensionParameter('foo')
+        desc = extensions._create_accepted_method_desc('foo',
+                                                       params.get_parameters())
+        self.assertEqual('foo', desc)
+
+    def test_create_method_desc_with_parameters(self):
+        params = common.ExtensionParameter('foo')
+        params.add_parameter('x', 'Hello, World')
+        params.add_parameter('y', '10')
+        desc = extensions._create_accepted_method_desc('foo',
+                                                       params.get_parameters())
+        self.assertEqual('foo; x="Hello, World"; y=10', desc)
+
+
+class DeflateFrameExtensionProcessorParsingTest(unittest.TestCase):
+    """A unittest for checking that DeflateFrameExtensionProcessor parses given
+    extension parameter correctly.
+    """
+
+    def test_registry(self):
+        processor = extensions.get_extension_processor(
+                common.ExtensionParameter('deflate-frame'))
+        self.assertIsInstance(processor,
+                              extensions.DeflateFrameExtensionProcessor)
+
+        processor = extensions.get_extension_processor(
+                common.ExtensionParameter('x-webkit-deflate-frame'))
+        self.assertIsInstance(processor,
+                              extensions.DeflateFrameExtensionProcessor)
+
+    def test_minimal_offer(self):
+        processor = extensions.DeflateFrameExtensionProcessor(
+            common.ExtensionParameter('perframe-deflate'))
+
+        response = processor.get_extension_response()
+        self.assertEqual('perframe-deflate', response.name())
+        self.assertEqual(0, len(response.get_parameters()))
+
+        self.assertEqual(zlib.MAX_WBITS,
+                         processor._rfc1979_deflater._window_bits)
+        self.assertFalse(processor._rfc1979_deflater._no_context_takeover)
+
+    def test_offer_with_max_window_bits(self):
+        parameter = common.ExtensionParameter('perframe-deflate')
+        parameter.add_parameter('max_window_bits', '10')
+        processor = extensions.DeflateFrameExtensionProcessor(parameter)
+
+        response = processor.get_extension_response()
+        self.assertEqual('perframe-deflate', response.name())
+        self.assertEqual(0, len(response.get_parameters()))
+
+        self.assertEqual(10, processor._rfc1979_deflater._window_bits)
+
+    def test_offer_with_out_of_range_max_window_bits(self):
+        parameter = common.ExtensionParameter('perframe-deflate')
+        parameter.add_parameter('max_window_bits', '0')
+        processor = extensions.DeflateFrameExtensionProcessor(parameter)
+
+        self.assertIsNone(processor.get_extension_response())
+
+    def test_offer_with_max_window_bits_without_value(self):
+        parameter = common.ExtensionParameter('perframe-deflate')
+        parameter.add_parameter('max_window_bits', None)
+        processor = extensions.DeflateFrameExtensionProcessor(parameter)
+
+        self.assertIsNone(processor.get_extension_response())
+
+    def test_offer_with_no_context_takeover(self):
+        parameter = common.ExtensionParameter('perframe-deflate')
+        parameter.add_parameter('no_context_takeover', None)
+        processor = extensions.DeflateFrameExtensionProcessor(parameter)
+
+        response = processor.get_extension_response()
+        self.assertEqual('perframe-deflate', response.name())
+        self.assertEqual(0, len(response.get_parameters()))
+
+        self.assertTrue(processor._rfc1979_deflater._no_context_takeover)
+
+    def test_offer_with_no_context_takeover_with_value(self):
+        parameter = common.ExtensionParameter('perframe-deflate')
+        parameter.add_parameter('no_context_takeover', 'foobar')
+        processor = extensions.DeflateFrameExtensionProcessor(parameter)
+
+        self.assertIsNone(processor.get_extension_response())
+
+    def test_offer_with_unknown_parameter(self):
+        parameter = common.ExtensionParameter('perframe-deflate')
+        parameter.add_parameter('foo', 'bar')
+        processor = extensions.DeflateFrameExtensionProcessor(parameter)
+
+        response = processor.get_extension_response()
+        self.assertEqual('perframe-deflate', response.name())
+        self.assertEqual(0, len(response.get_parameters()))
+
+
+class PerMessageDeflateExtensionProcessorParsingTest(unittest.TestCase):
+    """A unittest for checking that PerMessageDeflateExtensionProcessor parses
+    given extension parameter correctly.
+    """
+
+    def test_registry(self):
+        processor = extensions.get_extension_processor(
+                common.ExtensionParameter('permessage-deflate'))
+        self.assertIsInstance(processor,
+                              extensions.PerMessageDeflateExtensionProcessor)
+
+    def test_minimal_offer(self):
+        processor = extensions.PerMessageDeflateExtensionProcessor(
+            common.ExtensionParameter('permessage-deflate'))
+
+        response = processor.get_extension_response()
+        self.assertEqual('permessage-deflate', response.name())
+        self.assertEqual(0, len(response.get_parameters()))
+
+        self.assertEqual(zlib.MAX_WBITS,
+                         processor._rfc1979_deflater._window_bits)
+        self.assertFalse(processor._rfc1979_deflater._no_context_takeover)
+
+    def test_offer_with_max_window_bits(self):
+        parameter = common.ExtensionParameter('permessage-deflate')
+        parameter.add_parameter('server_max_window_bits', '10')
+        processor = extensions.PerMessageDeflateExtensionProcessor(parameter)
+
+        response = processor.get_extension_response()
+        self.assertEqual('permessage-deflate', response.name())
+        self.assertEqual([('server_max_window_bits', '10')],
+                         response.get_parameters())
+
+        self.assertEqual(10, processor._rfc1979_deflater._window_bits)
+
+    def test_offer_with_out_of_range_max_window_bits(self):
+        parameter = common.ExtensionParameter('permessage-deflate')
+        parameter.add_parameter('server_max_window_bits', '0')
+        processor = extensions.PerMessageDeflateExtensionProcessor(parameter)
+
+        self.assertIsNone(processor.get_extension_response())
+
+    def test_offer_with_max_window_bits_without_value(self):
+        parameter = common.ExtensionParameter('permessage-deflate')
+        parameter.add_parameter('server_max_window_bits', None)
+        processor = extensions.PerMessageDeflateExtensionProcessor(parameter)
+
+        self.assertIsNone(processor.get_extension_response())
+
+    def test_offer_with_no_context_takeover(self):
+        parameter = common.ExtensionParameter('permessage-deflate')
+        parameter.add_parameter('server_no_context_takeover', None)
+        processor = extensions.PerMessageDeflateExtensionProcessor(parameter)
+
+        response = processor.get_extension_response()
+        self.assertEqual('permessage-deflate', response.name())
+        self.assertEqual([('server_no_context_takeover', None)],
+                         response.get_parameters())
+
+        self.assertTrue(processor._rfc1979_deflater._no_context_takeover)
+
+    def test_offer_with_no_context_takeover_with_value(self):
+        parameter = common.ExtensionParameter('permessage-deflate')
+        parameter.add_parameter('server_no_context_takeover', 'foobar')
+        processor = extensions.PerMessageDeflateExtensionProcessor(parameter)
+
+        self.assertIsNone(processor.get_extension_response())
+
+    def test_offer_with_unknown_parameter(self):
+        parameter = common.ExtensionParameter('permessage-deflate')
+        parameter.add_parameter('foo', 'bar')
+        processor = extensions.PerMessageDeflateExtensionProcessor(parameter)
+
+        self.assertIsNone(processor.get_extension_response())
+
+
+class PerMessageDeflateExtensionProcessorBuildingTest(unittest.TestCase):
+    """A unittest for checking that PerMessageDeflateExtensionProcessor builds
+    a response based on specified options correctly.
+    """
+
+    def test_response_with_max_window_bits(self):
+        parameter = common.ExtensionParameter('permessage-deflate')
+        parameter.add_parameter('client_max_window_bits', None)
+        processor = extensions.PerMessageDeflateExtensionProcessor(parameter)
+        processor.set_client_max_window_bits(10)
+
+        response = processor.get_extension_response()
+        self.assertEqual('permessage-deflate', response.name())
+        self.assertEqual([('client_max_window_bits', '10')],
+                         response.get_parameters())
+
+    def test_response_with_max_window_bits_without_client_permission(self):
+        processor = extensions.PerMessageDeflateExtensionProcessor(
+            common.ExtensionParameter('permessage-deflate'))
+        processor.set_client_max_window_bits(10)
+
+        response = processor.get_extension_response()
+        self.assertIsNone(response)
+
+    def test_response_with_true_for_no_context_takeover(self):
+        processor = extensions.PerMessageDeflateExtensionProcessor(
+            common.ExtensionParameter('permessage-deflate'))
+
+        processor.set_client_no_context_takeover(True)
+
+        response = processor.get_extension_response()
+        self.assertEqual('permessage-deflate', response.name())
+        self.assertEqual([('client_no_context_takeover', None)],
+                         response.get_parameters())
+
+    def test_response_with_false_for_no_context_takeover(self):
+        processor = extensions.PerMessageDeflateExtensionProcessor(
+            common.ExtensionParameter('permessage-deflate'))
+
+        processor.set_client_no_context_takeover(False)
+
+        response = processor.get_extension_response()
+        self.assertEqual('permessage-deflate', response.name())
+        self.assertEqual(0, len(response.get_parameters()))
+
+
+class PerMessageCompressExtensionProcessorTest(unittest.TestCase):
+    def test_registry(self):
+        processor = extensions.get_extension_processor(
+                common.ExtensionParameter('permessage-compress'))
+        self.assertIsInstance(processor,
+                              extensions.PerMessageCompressExtensionProcessor)
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake.py
new file mode 100755
index 000000000..aa78ac05e
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake.py
@@ -0,0 +1,188 @@
+#!/usr/bin/env python
+#
+# Copyright 2012, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for handshake._base module."""
+
+
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket.common import ExtensionParameter
+from mod_pywebsocket.common import ExtensionParsingException
+from mod_pywebsocket.common import format_extensions
+from mod_pywebsocket.common import parse_extensions
+from mod_pywebsocket.handshake._base import HandshakeException
+from mod_pywebsocket.handshake._base import validate_subprotocol
+
+
+class ValidateSubprotocolTest(unittest.TestCase):
+    """A unittest for validate_subprotocol method."""
+
+    def test_validate_subprotocol(self):
+        # Should succeed.
+        validate_subprotocol('sample')
+        validate_subprotocol('Sample')
+        validate_subprotocol('sample\x7eprotocol')
+
+        # Should fail.
+        self.assertRaises(HandshakeException,
+                          validate_subprotocol,
+                          '')
+        self.assertRaises(HandshakeException,
+                          validate_subprotocol,
+                          'sample\x09protocol')
+        self.assertRaises(HandshakeException,
+                          validate_subprotocol,
+                          'sample\x19protocol')
+        self.assertRaises(HandshakeException,
+                          validate_subprotocol,
+                          'sample\x20protocol')
+        self.assertRaises(HandshakeException,
+                          validate_subprotocol,
+                          'sample\x7fprotocol')
+        self.assertRaises(HandshakeException,
+                          validate_subprotocol,
+                          # "Japan" in Japanese
+                          u'\u65e5\u672c')
+
+
+_TEST_TOKEN_EXTENSION_DATA = [
+    ('foo', [('foo', [])]),
+    ('foo; bar', [('foo', [('bar', None)])]),
+    ('foo; bar=baz', [('foo', [('bar', 'baz')])]),
+    ('foo; bar=baz; car=cdr', [('foo', [('bar', 'baz'), ('car', 'cdr')])]),
+    ('foo; bar=baz, car; cdr',
+     [('foo', [('bar', 'baz')]), ('car', [('cdr', None)])]),
+    ('a, b, c, d',
+     [('a', []), ('b', []), ('c', []), ('d', [])]),
+    ]
+
+
+_TEST_QUOTED_EXTENSION_DATA = [
+    ('foo; bar=""', [('foo', [('bar', '')])]),
+    ('foo; bar=" baz "', [('foo', [('bar', ' baz ')])]),
+    ('foo; bar=",baz;"', [('foo', [('bar', ',baz;')])]),
+    ('foo; bar="\\\r\\\nbaz"', [('foo', [('bar', '\r\nbaz')])]),
+    ('foo; bar="\\"baz"', [('foo', [('bar', '"baz')])]),
+    ('foo; bar="\xbbbaz"', [('foo', [('bar', '\xbbbaz')])]),
+    ]
+
+
+_TEST_REDUNDANT_TOKEN_EXTENSION_DATA = [
+    ('foo \t ', [('foo', [])]),
+    ('foo; \r\n bar', [('foo', [('bar', None)])]),
+    ('foo; bar=\r\n \r\n baz', [('foo', [('bar', 'baz')])]),
+    ('foo ;bar = baz ', [('foo', [('bar', 'baz')])]),
+    ('foo,bar,,baz', [('foo', []), ('bar', []), ('baz', [])]),
+    ]
+
+
+_TEST_REDUNDANT_QUOTED_EXTENSION_DATA = [
+    ('foo; bar="\r\n \r\n baz"', [('foo', [('bar', '  baz')])]),
+    ]
+
+
+class ExtensionsParserTest(unittest.TestCase):
+
+    def _verify_extension_list(self, expected_list, actual_list):
+        """Verifies that ExtensionParameter objects in actual_list have the
+        same members as extension definitions in expected_list. Extension
+        definition used in this test is a pair of an extension name and a
+        parameter dictionary.
+        """
+
+        self.assertEqual(len(expected_list), len(actual_list))
+        for expected, actual in zip(expected_list, actual_list):
+            (name, parameters) = expected
+            self.assertEqual(name, actual._name)
+            self.assertEqual(parameters, actual._parameters)
+
+    def test_parse(self):
+        for formatted_string, definition in _TEST_TOKEN_EXTENSION_DATA:
+            self._verify_extension_list(
+                definition, parse_extensions(formatted_string))
+
+    def test_parse_quoted_data(self):
+        for formatted_string, definition in _TEST_QUOTED_EXTENSION_DATA:
+            self._verify_extension_list(
+                definition, parse_extensions(formatted_string))
+
+    def test_parse_redundant_data(self):
+        for (formatted_string,
+             definition) in _TEST_REDUNDANT_TOKEN_EXTENSION_DATA:
+            self._verify_extension_list(
+                definition, parse_extensions(formatted_string))
+
+    def test_parse_redundant_quoted_data(self):
+        for (formatted_string,
+             definition) in _TEST_REDUNDANT_QUOTED_EXTENSION_DATA:
+            self._verify_extension_list(
+                definition, parse_extensions(formatted_string))
+
+    def test_parse_bad_data(self):
+        _TEST_BAD_EXTENSION_DATA = [
+            ('foo; ; '),
+            ('foo; a a'),
+            ('foo foo'),
+            (',,,'),
+            ('foo; bar='),
+            ('foo; bar="hoge'),
+            ('foo; bar="a\r"'),
+            ('foo; bar="\\\xff"'),
+            ('foo; bar=\ra'),
+            ]
+
+        for formatted_string in _TEST_BAD_EXTENSION_DATA:
+            self.assertRaises(
+                ExtensionParsingException, parse_extensions, formatted_string)
+
+
+class FormatExtensionsTest(unittest.TestCase):
+
+    def test_format_extensions(self):
+        for formatted_string, definitions in _TEST_TOKEN_EXTENSION_DATA:
+            extensions = []
+            for definition in definitions:
+                (name, parameters) = definition
+                extension = ExtensionParameter(name)
+                extension._parameters = parameters
+                extensions.append(extension)
+            self.assertEqual(
+                formatted_string, format_extensions(extensions))
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake_hybi.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake_hybi.py
new file mode 100755
index 000000000..6c8713823
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake_hybi.py
@@ -0,0 +1,534 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for handshake module."""
+
+
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+from mod_pywebsocket import common
+from mod_pywebsocket.handshake._base import AbortedByUserException
+from mod_pywebsocket.handshake._base import HandshakeException
+from mod_pywebsocket.handshake._base import VersionException
+from mod_pywebsocket.handshake.hybi import Handshaker
+
+import mock
+
+
+class RequestDefinition(object):
+    """A class for holding data for constructing opening handshake strings for
+    testing the opening handshake processor.
+    """
+
+    def __init__(self, method, uri, headers):
+        self.method = method
+        self.uri = uri
+        self.headers = headers
+
+
+def _create_good_request_def():
+    return RequestDefinition(
+        'GET', '/demo',
+        {'Host': 'server.example.com',
+         'Upgrade': 'websocket',
+         'Connection': 'Upgrade',
+         'Sec-WebSocket-Key': 'dGhlIHNhbXBsZSBub25jZQ==',
+         'Sec-WebSocket-Version': '13',
+         'Origin': 'http://example.com'})
+
+
+def _create_request(request_def):
+    conn = mock.MockConn('')
+    return mock.MockRequest(
+        method=request_def.method,
+        uri=request_def.uri,
+        headers_in=request_def.headers,
+        connection=conn)
+
+
+def _create_handshaker(request):
+    handshaker = Handshaker(request, mock.MockDispatcher())
+    return handshaker
+
+
+class SubprotocolChoosingDispatcher(object):
+    """A dispatcher for testing. This dispatcher sets the i-th subprotocol
+    of requested ones to ws_protocol where i is given on construction as index
+    argument. If index is negative, default_value will be set to ws_protocol.
+    """
+
+    def __init__(self, index, default_value=None):
+        self.index = index
+        self.default_value = default_value
+
+    def do_extra_handshake(self, conn_context):
+        if self.index >= 0:
+            conn_context.ws_protocol = conn_context.ws_requested_protocols[
+                self.index]
+        else:
+            conn_context.ws_protocol = self.default_value
+
+    def transfer_data(self, conn_context):
+        pass
+
+
+class HandshakeAbortedException(Exception):
+    pass
+
+
+class AbortingDispatcher(object):
+    """A dispatcher for testing. This dispatcher raises an exception in
+    do_extra_handshake to reject the request.
+    """
+
+    def do_extra_handshake(self, conn_context):
+        raise HandshakeAbortedException('An exception to reject the request')
+
+    def transfer_data(self, conn_context):
+        pass
+
+
+class AbortedByUserDispatcher(object):
+    """A dispatcher for testing. This dispatcher raises an
+    AbortedByUserException in do_extra_handshake to reject the request.
+    """
+
+    def do_extra_handshake(self, conn_context):
+        raise AbortedByUserException('An AbortedByUserException to reject the '
+                                     'request')
+
+    def transfer_data(self, conn_context):
+        pass
+
+
+_EXPECTED_RESPONSE = (
+    'HTTP/1.1 101 Switching Protocols\r\n'
+    'Upgrade: websocket\r\n'
+    'Connection: Upgrade\r\n'
+    'Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n\r\n')
+
+
+class HandshakerTest(unittest.TestCase):
+    """A unittest for draft-ietf-hybi-thewebsocketprotocol-06 and later
+    handshake processor.
+    """
+
+    def test_do_handshake(self):
+        request = _create_request(_create_good_request_def())
+        dispatcher = mock.MockDispatcher()
+        handshaker = Handshaker(request, dispatcher)
+        handshaker.do_handshake()
+
+        self.assertTrue(dispatcher.do_extra_handshake_called)
+
+        self.assertEqual(
+            _EXPECTED_RESPONSE, request.connection.written_data())
+        self.assertEqual('/demo', request.ws_resource)
+        self.assertEqual('http://example.com', request.ws_origin)
+        self.assertEqual(None, request.ws_protocol)
+        self.assertEqual(None, request.ws_extensions)
+        self.assertEqual(common.VERSION_HYBI_LATEST, request.ws_version)
+
+    def test_do_handshake_with_extra_headers(self):
+        request_def = _create_good_request_def()
+        # Add headers not related to WebSocket opening handshake.
+        request_def.headers['FooKey'] = 'BarValue'
+        request_def.headers['EmptyKey'] = ''
+
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        self.assertEqual(
+            _EXPECTED_RESPONSE, request.connection.written_data())
+
+    def test_do_handshake_with_capitalized_value(self):
+        request_def = _create_good_request_def()
+        request_def.headers['upgrade'] = 'WEBSOCKET'
+
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        self.assertEqual(
+            _EXPECTED_RESPONSE, request.connection.written_data())
+
+        request_def = _create_good_request_def()
+        request_def.headers['Connection'] = 'UPGRADE'
+
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        self.assertEqual(
+            _EXPECTED_RESPONSE, request.connection.written_data())
+
+    def test_do_handshake_with_multiple_connection_values(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Connection'] = 'Upgrade, keep-alive, , '
+
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        self.assertEqual(
+            _EXPECTED_RESPONSE, request.connection.written_data())
+
+    def test_aborting_handshake(self):
+        handshaker = Handshaker(
+            _create_request(_create_good_request_def()),
+            AbortingDispatcher())
+        # do_extra_handshake raises an exception. Check that it's not caught by
+        # do_handshake.
+        self.assertRaises(HandshakeAbortedException, handshaker.do_handshake)
+
+    def test_do_handshake_with_protocol(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Protocol'] = 'chat, superchat'
+
+        request = _create_request(request_def)
+        handshaker = Handshaker(request, SubprotocolChoosingDispatcher(0))
+        handshaker.do_handshake()
+
+        EXPECTED_RESPONSE = (
+            'HTTP/1.1 101 Switching Protocols\r\n'
+            'Upgrade: websocket\r\n'
+            'Connection: Upgrade\r\n'
+            'Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n'
+            'Sec-WebSocket-Protocol: chat\r\n\r\n')
+
+        self.assertEqual(EXPECTED_RESPONSE, request.connection.written_data())
+        self.assertEqual('chat', request.ws_protocol)
+
+    def test_do_handshake_protocol_not_in_request_but_in_response(self):
+        request_def = _create_good_request_def()
+        request = _create_request(request_def)
+        handshaker = Handshaker(
+            request, SubprotocolChoosingDispatcher(-1, 'foobar'))
+        # No request has been made but ws_protocol is set. HandshakeException
+        # must be raised.
+        self.assertRaises(HandshakeException, handshaker.do_handshake)
+
+    def test_do_handshake_with_protocol_no_protocol_selection(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Protocol'] = 'chat, superchat'
+
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        # ws_protocol is not set. HandshakeException must be raised.
+        self.assertRaises(HandshakeException, handshaker.do_handshake)
+
+    def test_do_handshake_with_extensions(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Extensions'] = (
+            'permessage-compress; method=deflate, unknown')
+
+        EXPECTED_RESPONSE = (
+            'HTTP/1.1 101 Switching Protocols\r\n'
+            'Upgrade: websocket\r\n'
+            'Connection: Upgrade\r\n'
+            'Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n'
+            'Sec-WebSocket-Extensions: permessage-compress; method=deflate\r\n'
+            '\r\n')
+
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        self.assertEqual(EXPECTED_RESPONSE, request.connection.written_data())
+        self.assertEqual(1, len(request.ws_extensions))
+        extension = request.ws_extensions[0]
+        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
+                         extension.name())
+        self.assertEqual(['method'], extension.get_parameter_names())
+        self.assertEqual('deflate', extension.get_parameter_value('method'))
+        self.assertEqual(1, len(request.ws_extension_processors))
+        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
+                         request.ws_extension_processors[0].name())
+
+    def test_do_handshake_with_permessage_compress(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Extensions'] = (
+            'permessage-compress; method=deflate')
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        self.assertEqual(1, len(request.ws_extensions))
+        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
+                         request.ws_extensions[0].name())
+        self.assertEqual(1, len(request.ws_extension_processors))
+        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
+                         request.ws_extension_processors[0].name())
+
+    def test_do_handshake_with_quoted_extensions(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Extensions'] = (
+            'permessage-compress; method=deflate, , '
+            'unknown; e   =    "mc^2"; ma="\r\n      \\\rf  "; pv=nrt')
+
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        self.assertEqual(2, len(request.ws_requested_extensions))
+        first_extension = request.ws_requested_extensions[0]
+        self.assertEqual('permessage-compress', first_extension.name())
+        self.assertEqual(['method'], first_extension.get_parameter_names())
+        self.assertEqual('deflate',
+                         first_extension.get_parameter_value('method'))
+        second_extension = request.ws_requested_extensions[1]
+        self.assertEqual('unknown', second_extension.name())
+        self.assertEqual(
+            ['e', 'ma', 'pv'], second_extension.get_parameter_names())
+        self.assertEqual('mc^2', second_extension.get_parameter_value('e'))
+        self.assertEqual(' \rf ', second_extension.get_parameter_value('ma'))
+        self.assertEqual('nrt', second_extension.get_parameter_value('pv'))
+
+    def test_do_handshake_with_optional_headers(self):
+        request_def = _create_good_request_def()
+        request_def.headers['EmptyValue'] = ''
+        request_def.headers['AKey'] = 'AValue'
+
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        self.assertEqual(
+            'AValue', request.headers_in['AKey'])
+        self.assertEqual(
+            '', request.headers_in['EmptyValue'])
+
+    def test_abort_extra_handshake(self):
+        handshaker = Handshaker(
+            _create_request(_create_good_request_def()),
+            AbortedByUserDispatcher())
+        # do_extra_handshake raises an AbortedByUserException. Check that it's
+        # not caught by do_handshake.
+        self.assertRaises(AbortedByUserException, handshaker.do_handshake)
+
+    def test_do_handshake_with_mux_and_deflate_frame(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Extensions'] = ('%s, %s' % (
+                common.MUX_EXTENSION,
+                common.DEFLATE_FRAME_EXTENSION))
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        # mux should be rejected.
+        self.assertEqual(1, len(request.ws_extensions))
+        self.assertEqual(common.DEFLATE_FRAME_EXTENSION,
+                         request.ws_extensions[0].name())
+        self.assertEqual(2, len(request.ws_extension_processors))
+        self.assertEqual(common.MUX_EXTENSION,
+                         request.ws_extension_processors[0].name())
+        self.assertEqual(common.DEFLATE_FRAME_EXTENSION,
+                         request.ws_extension_processors[1].name())
+        self.assertFalse(hasattr(request, 'mux_processor'))
+
+    def test_do_handshake_with_deflate_frame_and_mux(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Extensions'] = ('%s, %s' % (
+                common.DEFLATE_FRAME_EXTENSION,
+                common.MUX_EXTENSION))
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        # mux should be rejected.
+        self.assertEqual(1, len(request.ws_extensions))
+        first_extension = request.ws_extensions[0]
+        self.assertEqual(common.DEFLATE_FRAME_EXTENSION,
+                         first_extension.name())
+        self.assertEqual(2, len(request.ws_extension_processors))
+        self.assertEqual(common.DEFLATE_FRAME_EXTENSION,
+                         request.ws_extension_processors[0].name())
+        self.assertEqual(common.MUX_EXTENSION,
+                         request.ws_extension_processors[1].name())
+        self.assertFalse(hasattr(request, 'mux'))
+
+    def test_do_handshake_with_permessage_compress_and_mux(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Extensions'] = (
+            '%s; method=deflate, %s' % (
+                common.PERMESSAGE_COMPRESSION_EXTENSION,
+                common.MUX_EXTENSION))
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+
+        self.assertEqual(1, len(request.ws_extensions))
+        self.assertEqual(common.MUX_EXTENSION,
+                         request.ws_extensions[0].name())
+        self.assertEqual(2, len(request.ws_extension_processors))
+        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
+                         request.ws_extension_processors[0].name())
+        self.assertEqual(common.MUX_EXTENSION,
+                         request.ws_extension_processors[1].name())
+        self.assertTrue(hasattr(request, 'mux_processor'))
+        self.assertTrue(request.mux_processor.is_active())
+        mux_extensions = request.mux_processor.extensions()
+        self.assertEqual(1, len(mux_extensions))
+        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
+                         mux_extensions[0].name())
+
+    def test_do_handshake_with_mux_and_permessage_compress(self):
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Extensions'] = (
+            '%s, %s; method=deflate' % (
+                common.MUX_EXTENSION,
+                common.PERMESSAGE_COMPRESSION_EXTENSION))
+        request = _create_request(request_def)
+        handshaker = _create_handshaker(request)
+        handshaker.do_handshake()
+        # mux should be rejected.
+        self.assertEqual(1, len(request.ws_extensions))
+        first_extension = request.ws_extensions[0]
+        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
+                         first_extension.name())
+        self.assertEqual(2, len(request.ws_extension_processors))
+        self.assertEqual(common.MUX_EXTENSION,
+                         request.ws_extension_processors[0].name())
+        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
+                         request.ws_extension_processors[1].name())
+        self.assertFalse(hasattr(request, 'mux_processor'))
+
+    def test_bad_requests(self):
+        bad_cases = [
+            ('HTTP request',
+             RequestDefinition(
+                 'GET', '/demo',
+                 {'Host': 'www.google.com',
+                  'User-Agent':
+                      'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5;'
+                      ' en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3'
+                      ' GTB6 GTBA',
+                  'Accept':
+                      'text/html,application/xhtml+xml,application/xml;q=0.9,'
+                      '*/*;q=0.8',
+                  'Accept-Language': 'en-us,en;q=0.5',
+                  'Accept-Encoding': 'gzip,deflate',
+                  'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
+                  'Keep-Alive': '300',
+                  'Connection': 'keep-alive'}), None, True)]
+
+        request_def = _create_good_request_def()
+        request_def.method = 'POST'
+        bad_cases.append(('Wrong method', request_def, None, True))
+
+        request_def = _create_good_request_def()
+        del request_def.headers['Host']
+        bad_cases.append(('Missing Host', request_def, None, True))
+
+        request_def = _create_good_request_def()
+        del request_def.headers['Upgrade']
+        bad_cases.append(('Missing Upgrade', request_def, None, True))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Upgrade'] = 'nonwebsocket'
+        bad_cases.append(('Wrong Upgrade', request_def, None, True))
+
+        request_def = _create_good_request_def()
+        del request_def.headers['Connection']
+        bad_cases.append(('Missing Connection', request_def, None, True))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Connection'] = 'Downgrade'
+        bad_cases.append(('Wrong Connection', request_def, None, True))
+
+        request_def = _create_good_request_def()
+        del request_def.headers['Sec-WebSocket-Key']
+        bad_cases.append(('Missing Sec-WebSocket-Key', request_def, 400, True))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Key'] = (
+            'dGhlIHNhbXBsZSBub25jZQ==garbage')
+        bad_cases.append(('Wrong Sec-WebSocket-Key (with garbage on the tail)',
+                          request_def, 400, True))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Key'] = 'YQ=='  # BASE64 of 'a'
+        bad_cases.append(
+            ('Wrong Sec-WebSocket-Key (decoded value is not 16 octets long)',
+             request_def, 400, True))
+
+        request_def = _create_good_request_def()
+        # The last character right before == must be any of A, Q, w and g.
+        request_def.headers['Sec-WebSocket-Key'] = (
+            'AQIDBAUGBwgJCgsMDQ4PEC==')
+        bad_cases.append(
+            ('Wrong Sec-WebSocket-Key (padding bits are not zero)',
+             request_def, 400, True))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Key'] = (
+            'dGhlIHNhbXBsZSBub25jZQ==,dGhlIHNhbXBsZSBub25jZQ==')
+        bad_cases.append(
+            ('Wrong Sec-WebSocket-Key (multiple values)',
+             request_def, 400, True))
+
+        request_def = _create_good_request_def()
+        del request_def.headers['Sec-WebSocket-Version']
+        bad_cases.append(('Missing Sec-WebSocket-Version', request_def, None,
+                          True))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Version'] = '3'
+        bad_cases.append(('Wrong Sec-WebSocket-Version', request_def, None,
+                          False))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Version'] = '13, 13'
+        bad_cases.append(('Wrong Sec-WebSocket-Version (multiple values)',
+                          request_def, 400, True))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Protocol'] = 'illegal\x09protocol'
+        bad_cases.append(('Illegal Sec-WebSocket-Protocol',
+                          request_def, 400, True))
+
+        request_def = _create_good_request_def()
+        request_def.headers['Sec-WebSocket-Protocol'] = ''
+        bad_cases.append(('Empty Sec-WebSocket-Protocol',
+                          request_def, 400, True))
+
+        for (case_name, request_def, expected_status,
+             expect_handshake_exception) in bad_cases:
+            request = _create_request(request_def)
+            handshaker = Handshaker(request, mock.MockDispatcher())
+            try:
+                handshaker.do_handshake()
+                self.fail('No exception thrown for \'%s\' case' % case_name)
+            except HandshakeException, e:
+                self.assertTrue(expect_handshake_exception)
+                self.assertEqual(expected_status, e.status)
+            except VersionException, e:
+                self.assertFalse(expect_handshake_exception)
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake_hybi00.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake_hybi00.py
new file mode 100755
index 000000000..73f9f27ca
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_handshake_hybi00.py
@@ -0,0 +1,516 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for handshake.hybi00 module."""
+
+
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket.handshake._base import HandshakeException
+from mod_pywebsocket.handshake.hybi00 import Handshaker
+from mod_pywebsocket.handshake.hybi00 import _validate_subprotocol
+from test import mock
+
+
+_TEST_KEY1 = '4 @1  46546xW%0l 1 5'
+_TEST_KEY2 = '12998 5 Y3 1  .P00'
+_TEST_KEY3 = '^n:ds[4U'
+_TEST_CHALLENGE_RESPONSE = '8jKS\'y:G*Co,Wxa-'
+
+
+_GOOD_REQUEST = (
+    80,
+    'GET',
+    '/demo',
+    {
+        'Host': 'example.com',
+        'Connection': 'Upgrade',
+        'Sec-WebSocket-Key2': _TEST_KEY2,
+        'Sec-WebSocket-Protocol': 'sample',
+        'Upgrade': 'WebSocket',
+        'Sec-WebSocket-Key1': _TEST_KEY1,
+        'Origin': 'http://example.com',
+    },
+    _TEST_KEY3)
+
+_GOOD_REQUEST_CAPITALIZED_HEADER_VALUES = (
+    80,
+    'GET',
+    '/demo',
+    {
+        'Host': 'example.com',
+        'Connection': 'UPGRADE',
+        'Sec-WebSocket-Key2': _TEST_KEY2,
+        'Sec-WebSocket-Protocol': 'sample',
+        'Upgrade': 'WEBSOCKET',
+        'Sec-WebSocket-Key1': _TEST_KEY1,
+        'Origin': 'http://example.com',
+    },
+    _TEST_KEY3)
+
+_GOOD_REQUEST_CASE_MIXED_HEADER_NAMES = (
+    80,
+    'GET',
+    '/demo',
+    {
+        'hOsT': 'example.com',
+        'cOnNeCtIoN': 'Upgrade',
+        'sEc-wEbsOcKeT-kEy2': _TEST_KEY2,
+        'sEc-wEbsOcKeT-pRoToCoL': 'sample',
+        'uPgRaDe': 'WebSocket',
+        'sEc-wEbsOcKeT-kEy1': _TEST_KEY1,
+        'oRiGiN': 'http://example.com',
+    },
+    _TEST_KEY3)
+
+_GOOD_RESPONSE_DEFAULT_PORT = (
+    'HTTP/1.1 101 WebSocket Protocol Handshake\r\n'
+    'Upgrade: WebSocket\r\n'
+    'Connection: Upgrade\r\n'
+    'Sec-WebSocket-Location: ws://example.com/demo\r\n'
+    'Sec-WebSocket-Origin: http://example.com\r\n'
+    'Sec-WebSocket-Protocol: sample\r\n'
+    '\r\n' +
+    _TEST_CHALLENGE_RESPONSE)
+
+_GOOD_RESPONSE_SECURE = (
+    'HTTP/1.1 101 WebSocket Protocol Handshake\r\n'
+    'Upgrade: WebSocket\r\n'
+    'Connection: Upgrade\r\n'
+    'Sec-WebSocket-Location: wss://example.com/demo\r\n'
+    'Sec-WebSocket-Origin: http://example.com\r\n'
+    'Sec-WebSocket-Protocol: sample\r\n'
+    '\r\n' +
+    _TEST_CHALLENGE_RESPONSE)
+
+_GOOD_REQUEST_NONDEFAULT_PORT = (
+    8081,
+    'GET',
+    '/demo',
+    {
+        'Host': 'example.com:8081',
+        'Connection': 'Upgrade',
+        'Sec-WebSocket-Key2': _TEST_KEY2,
+        'Sec-WebSocket-Protocol': 'sample',
+        'Upgrade': 'WebSocket',
+        'Sec-WebSocket-Key1': _TEST_KEY1,
+        'Origin': 'http://example.com',
+    },
+    _TEST_KEY3)
+
+_GOOD_RESPONSE_NONDEFAULT_PORT = (
+    'HTTP/1.1 101 WebSocket Protocol Handshake\r\n'
+    'Upgrade: WebSocket\r\n'
+    'Connection: Upgrade\r\n'
+    'Sec-WebSocket-Location: ws://example.com:8081/demo\r\n'
+    'Sec-WebSocket-Origin: http://example.com\r\n'
+    'Sec-WebSocket-Protocol: sample\r\n'
+    '\r\n' +
+    _TEST_CHALLENGE_RESPONSE)
+
+_GOOD_RESPONSE_SECURE_NONDEF = (
+    'HTTP/1.1 101 WebSocket Protocol Handshake\r\n'
+    'Upgrade: WebSocket\r\n'
+    'Connection: Upgrade\r\n'
+    'Sec-WebSocket-Location: wss://example.com:8081/demo\r\n'
+    'Sec-WebSocket-Origin: http://example.com\r\n'
+    'Sec-WebSocket-Protocol: sample\r\n'
+    '\r\n' +
+    _TEST_CHALLENGE_RESPONSE)
+
+_GOOD_REQUEST_NO_PROTOCOL = (
+    80,
+    'GET',
+    '/demo',
+    {
+        'Host': 'example.com',
+        'Connection': 'Upgrade',
+        'Sec-WebSocket-Key2': _TEST_KEY2,
+        'Upgrade': 'WebSocket',
+        'Sec-WebSocket-Key1': _TEST_KEY1,
+        'Origin': 'http://example.com',
+    },
+    _TEST_KEY3)
+
+_GOOD_RESPONSE_NO_PROTOCOL = (
+    'HTTP/1.1 101 WebSocket Protocol Handshake\r\n'
+    'Upgrade: WebSocket\r\n'
+    'Connection: Upgrade\r\n'
+    'Sec-WebSocket-Location: ws://example.com/demo\r\n'
+    'Sec-WebSocket-Origin: http://example.com\r\n'
+    '\r\n' +
+    _TEST_CHALLENGE_RESPONSE)
+
+_GOOD_REQUEST_WITH_OPTIONAL_HEADERS = (
+    80,
+    'GET',
+    '/demo',
+    {
+        'Host': 'example.com',
+        'Connection': 'Upgrade',
+        'Sec-WebSocket-Key2': _TEST_KEY2,
+        'EmptyValue': '',
+        'Sec-WebSocket-Protocol': 'sample',
+        'AKey': 'AValue',
+        'Upgrade': 'WebSocket',
+        'Sec-WebSocket-Key1': _TEST_KEY1,
+        'Origin': 'http://example.com',
+    },
+    _TEST_KEY3)
+
+# TODO(tyoshino): Include \r \n in key3, challenge response.
+
+_GOOD_REQUEST_WITH_NONPRINTABLE_KEY = (
+    80,
+    'GET',
+    '/demo',
+    {
+        'Host': 'example.com',
+        'Connection': 'Upgrade',
+        'Sec-WebSocket-Key2': 'y  R2 48 Q1O4  e|BV3 i5 1  u- 65',
+        'Sec-WebSocket-Protocol': 'sample',
+        'Upgrade': 'WebSocket',
+        'Sec-WebSocket-Key1': '36 7   74 i  92 2\'m 9 0G',
+        'Origin': 'http://example.com',
+    },
+    ''.join(map(chr, [0x01, 0xd1, 0xdd, 0x3b, 0xd1, 0x56, 0x63, 0xff])))
+
+_GOOD_RESPONSE_WITH_NONPRINTABLE_KEY = (
+    'HTTP/1.1 101 WebSocket Protocol Handshake\r\n'
+    'Upgrade: WebSocket\r\n'
+    'Connection: Upgrade\r\n'
+    'Sec-WebSocket-Location: ws://example.com/demo\r\n'
+    'Sec-WebSocket-Origin: http://example.com\r\n'
+    'Sec-WebSocket-Protocol: sample\r\n'
+    '\r\n' +
+    ''.join(map(chr, [0x0b, 0x99, 0xfa, 0x55, 0xbd, 0x01, 0x23, 0x7b,
+                      0x45, 0xa2, 0xf1, 0xd0, 0x87, 0x8a, 0xee, 0xeb])))
+
+_GOOD_REQUEST_WITH_QUERY_PART = (
+    80,
+    'GET',
+    '/demo?e=mc2',
+    {
+        'Host': 'example.com',
+        'Connection': 'Upgrade',
+        'Sec-WebSocket-Key2': _TEST_KEY2,
+        'Sec-WebSocket-Protocol': 'sample',
+        'Upgrade': 'WebSocket',
+        'Sec-WebSocket-Key1': _TEST_KEY1,
+        'Origin': 'http://example.com',
+    },
+    _TEST_KEY3)
+
+_GOOD_RESPONSE_WITH_QUERY_PART = (
+    'HTTP/1.1 101 WebSocket Protocol Handshake\r\n'
+    'Upgrade: WebSocket\r\n'
+    'Connection: Upgrade\r\n'
+    'Sec-WebSocket-Location: ws://example.com/demo?e=mc2\r\n'
+    'Sec-WebSocket-Origin: http://example.com\r\n'
+    'Sec-WebSocket-Protocol: sample\r\n'
+    '\r\n' +
+    _TEST_CHALLENGE_RESPONSE)
+
+_BAD_REQUESTS = (
+    (  # HTTP request
+        80,
+        'GET',
+        '/demo',
+        {
+            'Host': 'www.google.com',
+            'User-Agent': 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5;'
+                          ' en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3'
+                          ' GTB6 GTBA',
+            'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,'
+                      '*/*;q=0.8',
+            'Accept-Language': 'en-us,en;q=0.5',
+            'Accept-Encoding': 'gzip,deflate',
+            'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
+            'Keep-Alive': '300',
+            'Connection': 'keep-alive',
+        }),
+    (  # Wrong method
+        80,
+        'POST',
+        '/demo',
+        {
+            'Host': 'example.com',
+            'Connection': 'Upgrade',
+            'Sec-WebSocket-Key2': _TEST_KEY2,
+            'Sec-WebSocket-Protocol': 'sample',
+            'Upgrade': 'WebSocket',
+            'Sec-WebSocket-Key1': _TEST_KEY1,
+            'Origin': 'http://example.com',
+        },
+        _TEST_KEY3),
+    (  # Missing Upgrade
+        80,
+        'GET',
+        '/demo',
+        {
+            'Host': 'example.com',
+            'Connection': 'Upgrade',
+            'Sec-WebSocket-Key2': _TEST_KEY2,
+            'Sec-WebSocket-Protocol': 'sample',
+            'Sec-WebSocket-Key1': _TEST_KEY1,
+            'Origin': 'http://example.com',
+        },
+        _TEST_KEY3),
+    (  # Wrong Upgrade
+        80,
+        'GET',
+        '/demo',
+        {
+            'Host': 'example.com',
+            'Connection': 'Upgrade',
+            'Sec-WebSocket-Key2': _TEST_KEY2,
+            'Sec-WebSocket-Protocol': 'sample',
+            'Upgrade': 'NonWebSocket',
+            'Sec-WebSocket-Key1': _TEST_KEY1,
+            'Origin': 'http://example.com',
+        },
+        _TEST_KEY3),
+    (  # Empty WebSocket-Protocol
+        80,
+        'GET',
+        '/demo',
+        {
+            'Host': 'example.com',
+            'Connection': 'Upgrade',
+            'Sec-WebSocket-Key2': _TEST_KEY2,
+            'Sec-WebSocket-Protocol': '',
+            'Upgrade': 'WebSocket',
+            'Sec-WebSocket-Key1': _TEST_KEY1,
+            'Origin': 'http://example.com',
+        },
+        _TEST_KEY3),
+    (  # Wrong port number format
+        80,
+        'GET',
+        '/demo',
+        {
+            'Host': 'example.com:0x50',
+            'Connection': 'Upgrade',
+            'Sec-WebSocket-Key2': _TEST_KEY2,
+            'Sec-WebSocket-Protocol': 'sample',
+            'Upgrade': 'WebSocket',
+            'Sec-WebSocket-Key1': _TEST_KEY1,
+            'Origin': 'http://example.com',
+        },
+        _TEST_KEY3),
+    (  # Header/connection port mismatch
+        8080,
+        'GET',
+        '/demo',
+        {
+            'Host': 'example.com',
+            'Connection': 'Upgrade',
+            'Sec-WebSocket-Key2': _TEST_KEY2,
+            'Sec-WebSocket-Protocol': 'sample',
+            'Upgrade': 'WebSocket',
+            'Sec-WebSocket-Key1': _TEST_KEY1,
+            'Origin': 'http://example.com',
+        },
+        _TEST_KEY3),
+    (  # Illegal WebSocket-Protocol
+        80,
+        'GET',
+        '/demo',
+        {
+            'Host': 'example.com',
+            'Connection': 'Upgrade',
+            'Sec-WebSocket-Key2': _TEST_KEY2,
+            'Sec-WebSocket-Protocol': 'illegal\x09protocol',
+            'Upgrade': 'WebSocket',
+            'Sec-WebSocket-Key1': _TEST_KEY1,
+            'Origin': 'http://example.com',
+        },
+        _TEST_KEY3),
+)
+
+
+def _create_request(request_def):
+    data = ''
+    if len(request_def) > 4:
+        data = request_def[4]
+    conn = mock.MockConn(data)
+    conn.local_addr = ('0.0.0.0', request_def[0])
+    return mock.MockRequest(
+        method=request_def[1],
+        uri=request_def[2],
+        headers_in=request_def[3],
+        connection=conn)
+
+
+def _create_get_memorized_lines(lines):
+    """Creates a function that returns the given string."""
+
+    def get_memorized_lines():
+        return lines
+    return get_memorized_lines
+
+
+def _create_requests_with_lines(request_lines_set):
+    requests = []
+    for lines in request_lines_set:
+        request = _create_request(_GOOD_REQUEST)
+        request.connection.get_memorized_lines = _create_get_memorized_lines(
+                lines)
+        requests.append(request)
+    return requests
+
+
+class HyBi00HandshakerTest(unittest.TestCase):
+
+    def test_good_request_default_port(self):
+        request = _create_request(_GOOD_REQUEST)
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_DEFAULT_PORT,
+                         request.connection.written_data())
+        self.assertEqual('/demo', request.ws_resource)
+        self.assertEqual('http://example.com', request.ws_origin)
+        self.assertEqual('ws://example.com/demo', request.ws_location)
+        self.assertEqual('sample', request.ws_protocol)
+
+    def test_good_request_capitalized_header_values(self):
+        request = _create_request(_GOOD_REQUEST_CAPITALIZED_HEADER_VALUES)
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_DEFAULT_PORT,
+                         request.connection.written_data())
+
+    def test_good_request_case_mixed_header_names(self):
+        request = _create_request(_GOOD_REQUEST_CASE_MIXED_HEADER_NAMES)
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_DEFAULT_PORT,
+                         request.connection.written_data())
+
+    def test_good_request_secure_default_port(self):
+        request = _create_request(_GOOD_REQUEST)
+        request.connection.local_addr = ('0.0.0.0', 443)
+        request.is_https_ = True
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_SECURE,
+                         request.connection.written_data())
+        self.assertEqual('sample', request.ws_protocol)
+
+    def test_good_request_nondefault_port(self):
+        request = _create_request(_GOOD_REQUEST_NONDEFAULT_PORT)
+        handshaker = Handshaker(request,
+                                          mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_NONDEFAULT_PORT,
+                         request.connection.written_data())
+        self.assertEqual('sample', request.ws_protocol)
+
+    def test_good_request_secure_non_default_port(self):
+        request = _create_request(_GOOD_REQUEST_NONDEFAULT_PORT)
+        request.is_https_ = True
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_SECURE_NONDEF,
+                         request.connection.written_data())
+        self.assertEqual('sample', request.ws_protocol)
+
+    def test_good_request_default_no_protocol(self):
+        request = _create_request(_GOOD_REQUEST_NO_PROTOCOL)
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_NO_PROTOCOL,
+                         request.connection.written_data())
+        self.assertEqual(None, request.ws_protocol)
+
+    def test_good_request_optional_headers(self):
+        request = _create_request(_GOOD_REQUEST_WITH_OPTIONAL_HEADERS)
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual('AValue',
+                         request.headers_in['AKey'])
+        self.assertEqual('',
+                         request.headers_in['EmptyValue'])
+
+    def test_good_request_with_nonprintable_key(self):
+        request = _create_request(_GOOD_REQUEST_WITH_NONPRINTABLE_KEY)
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_WITH_NONPRINTABLE_KEY,
+                         request.connection.written_data())
+        self.assertEqual('sample', request.ws_protocol)
+
+    def test_good_request_with_query_part(self):
+        request = _create_request(_GOOD_REQUEST_WITH_QUERY_PART)
+        handshaker = Handshaker(request, mock.MockDispatcher())
+        handshaker.do_handshake()
+        self.assertEqual(_GOOD_RESPONSE_WITH_QUERY_PART,
+                         request.connection.written_data())
+        self.assertEqual('ws://example.com/demo?e=mc2', request.ws_location)
+
+    def test_bad_requests(self):
+        for request in map(_create_request, _BAD_REQUESTS):
+            handshaker = Handshaker(request, mock.MockDispatcher())
+            self.assertRaises(HandshakeException, handshaker.do_handshake)
+
+
+class HyBi00ValidateSubprotocolTest(unittest.TestCase):
+    def test_validate_subprotocol(self):
+        # should succeed.
+        _validate_subprotocol('sample')
+        _validate_subprotocol('Sample')
+        _validate_subprotocol('sample\x7eprotocol')
+        _validate_subprotocol('sample\x20protocol')
+
+        # should fail.
+        self.assertRaises(HandshakeException,
+                          _validate_subprotocol,
+                          '')
+        self.assertRaises(HandshakeException,
+                          _validate_subprotocol,
+                          'sample\x19protocol')
+        self.assertRaises(HandshakeException,
+                          _validate_subprotocol,
+                          'sample\x7fprotocol')
+        self.assertRaises(HandshakeException,
+                          _validate_subprotocol,
+                          # "Japan" in Japanese
+                          u'\u65e5\u672c')
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_http_header_util.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_http_header_util.py
new file mode 100755
index 000000000..436dc57c3
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_http_header_util.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for http_header_util module."""
+
+
+import unittest
+
+from mod_pywebsocket import http_header_util
+
+
+class UnitTest(unittest.TestCase):
+    """A unittest for http_header_util module."""
+
+    def test_parse_relative_uri(self):
+        host, port, resource = http_header_util.parse_uri('/ws/test')
+        self.assertEqual(None, host)
+        self.assertEqual(None, port)
+        self.assertEqual('/ws/test', resource)
+
+    def test_parse_absolute_uri(self):
+        host, port, resource = http_header_util.parse_uri(
+            'ws://localhost:10080/ws/test')
+        self.assertEqual('localhost', host)
+        self.assertEqual(10080, port)
+        self.assertEqual('/ws/test', resource)
+
+        host, port, resource = http_header_util.parse_uri(
+            'ws://example.com/ws/test')
+        self.assertEqual('example.com', host)
+        self.assertEqual(80, port)
+        self.assertEqual('/ws/test', resource)
+
+        host, port, resource = http_header_util.parse_uri(
+            'wss://example.com/')
+        self.assertEqual('example.com', host)
+        self.assertEqual(443, port)
+        self.assertEqual('/', resource)
+
+        host, port, resource = http_header_util.parse_uri(
+            'ws://example.com:8080')
+        self.assertEqual('example.com', host)
+        self.assertEqual(8080, port)
+        self.assertEqual('/', resource)
+
+    def test_parse_invalid_uri(self):
+        host, port, resource = http_header_util.parse_uri('ws:///')
+        self.assertEqual(None, resource)
+
+        host, port, resource = http_header_util.parse_uri('ws://localhost:')
+        self.assertEqual(None, resource)
+
+        host, port, resource = http_header_util.parse_uri('ws://localhost:/ws')
+        self.assertEqual(None, resource)
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_memorizingfile.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_memorizingfile.py
new file mode 100755
index 000000000..8f1b8eef4
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_memorizingfile.py
@@ -0,0 +1,104 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for memorizingfile module."""
+
+
+import StringIO
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket import memorizingfile
+
+
+class UtilTest(unittest.TestCase):
+    """A unittest for memorizingfile module."""
+
+    def check(self, memorizing_file, num_read, expected_list):
+        for unused in range(num_read):
+            memorizing_file.readline()
+        actual_list = memorizing_file.get_memorized_lines()
+        self.assertEqual(len(expected_list), len(actual_list))
+        for expected, actual in zip(expected_list, actual_list):
+            self.assertEqual(expected, actual)
+
+    def check_with_size(self, memorizing_file, read_size, expected_list):
+        read_list = []
+        read_line = ''
+        while True:
+            line = memorizing_file.readline(read_size)
+            line_length = len(line)
+            self.assertTrue(line_length <= read_size)
+            if line_length == 0:
+                if read_line != '':
+                    read_list.append(read_line)
+                break
+            read_line += line
+            if line[line_length - 1] == '\n':
+                read_list.append(read_line)
+                read_line = ''
+        actual_list = memorizing_file.get_memorized_lines()
+        self.assertEqual(len(expected_list), len(actual_list))
+        self.assertEqual(len(expected_list), len(read_list))
+        for expected, actual, read in zip(expected_list, actual_list,
+                                          read_list):
+            self.assertEqual(expected, actual)
+            self.assertEqual(expected, read)
+
+    def test_get_memorized_lines(self):
+        memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
+                'Hello\nWorld\nWelcome'))
+        self.check(memorizing_file, 3, ['Hello\n', 'World\n', 'Welcome'])
+
+    def test_get_memorized_lines_limit_memorized_lines(self):
+        memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
+                'Hello\nWorld\nWelcome'), 2)
+        self.check(memorizing_file, 3, ['Hello\n', 'World\n'])
+
+    def test_get_memorized_lines_empty_file(self):
+        memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
+                ''))
+        self.check(memorizing_file, 10, [])
+
+    def test_get_memorized_lines_with_size(self):
+        for size in range(1, 10):
+            memorizing_file = memorizingfile.MemorizingFile(StringIO.StringIO(
+                'Hello\nWorld\nWelcome'))
+            self.check_with_size(memorizing_file, size,
+                                 ['Hello\n', 'World\n', 'Welcome'])
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_mock.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_mock.py
new file mode 100755
index 000000000..7dc23a73d
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_mock.py
@@ -0,0 +1,145 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for mock module."""
+
+
+import Queue
+import threading
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from test import mock
+
+
+class MockConnTest(unittest.TestCase):
+    """A unittest for MockConn class."""
+
+    def setUp(self):
+        self._conn = mock.MockConn('ABC\r\nDEFG\r\n\r\nHIJK')
+
+    def test_readline(self):
+        self.assertEqual('ABC\r\n', self._conn.readline())
+        self.assertEqual('DEFG\r\n', self._conn.readline())
+        self.assertEqual('\r\n', self._conn.readline())
+        self.assertEqual('HIJK', self._conn.readline())
+        self.assertEqual('', self._conn.readline())
+
+    def test_read(self):
+        self.assertEqual('ABC\r\nD', self._conn.read(6))
+        self.assertEqual('EFG\r\n\r\nHI', self._conn.read(9))
+        self.assertEqual('JK', self._conn.read(10))
+        self.assertEqual('', self._conn.read(10))
+
+    def test_read_and_readline(self):
+        self.assertEqual('ABC\r\nD', self._conn.read(6))
+        self.assertEqual('EFG\r\n', self._conn.readline())
+        self.assertEqual('\r\nHIJK', self._conn.read(9))
+        self.assertEqual('', self._conn.readline())
+
+    def test_write(self):
+        self._conn.write('Hello\r\n')
+        self._conn.write('World\r\n')
+        self.assertEqual('Hello\r\nWorld\r\n', self._conn.written_data())
+
+
+class MockBlockingConnTest(unittest.TestCase):
+    """A unittest for MockBlockingConn class."""
+
+    def test_read(self):
+        """Tests that data put to MockBlockingConn by put_bytes method can be
+        read from it.
+        """
+
+        class LineReader(threading.Thread):
+            """A test class that launches a thread, calls readline on the
+            specified conn repeatedly and puts the read data to the specified
+            queue.
+            """
+
+            def __init__(self, conn, queue):
+                threading.Thread.__init__(self)
+                self._queue = queue
+                self._conn = conn
+                self.setDaemon(True)
+                self.start()
+
+            def run(self):
+                while True:
+                    data = self._conn.readline()
+                    self._queue.put(data)
+
+        conn = mock.MockBlockingConn()
+        queue = Queue.Queue()
+        reader = LineReader(conn, queue)
+        self.failUnless(queue.empty())
+        conn.put_bytes('Foo bar\r\n')
+        read = queue.get()
+        self.assertEqual('Foo bar\r\n', read)
+
+
+class MockTableTest(unittest.TestCase):
+    """A unittest for MockTable class."""
+
+    def test_create_from_dict(self):
+        table = mock.MockTable({'Key': 'Value'})
+        self.assertEqual('Value', table.get('KEY'))
+        self.assertEqual('Value', table['key'])
+
+    def test_create_from_list(self):
+        table = mock.MockTable([('Key', 'Value')])
+        self.assertEqual('Value', table.get('KEY'))
+        self.assertEqual('Value', table['key'])
+
+    def test_create_from_tuple(self):
+        table = mock.MockTable((('Key', 'Value'),))
+        self.assertEqual('Value', table.get('KEY'))
+        self.assertEqual('Value', table['key'])
+
+    def test_set_and_get(self):
+        table = mock.MockTable()
+        self.assertEqual(None, table.get('Key'))
+        table['Key'] = 'Value'
+        self.assertEqual('Value', table.get('Key'))
+        self.assertEqual('Value', table.get('key'))
+        self.assertEqual('Value', table.get('KEY'))
+        self.assertEqual('Value', table['Key'])
+        self.assertEqual('Value', table['key'])
+        self.assertEqual('Value', table['KEY'])
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_msgutil.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_msgutil.py
new file mode 100755
index 000000000..5fedcf92f
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_msgutil.py
@@ -0,0 +1,1356 @@
+#!/usr/bin/env python
+#
+# Copyright 2012, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for msgutil module."""
+
+
+import array
+import Queue
+import random
+import struct
+import unittest
+import zlib
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket import common
+from mod_pywebsocket.extensions import DeflateFrameExtensionProcessor
+from mod_pywebsocket.extensions import PerMessageCompressExtensionProcessor
+from mod_pywebsocket.extensions import PerMessageDeflateExtensionProcessor
+from mod_pywebsocket import msgutil
+from mod_pywebsocket.stream import InvalidUTF8Exception
+from mod_pywebsocket.stream import Stream
+from mod_pywebsocket.stream import StreamHixie75
+from mod_pywebsocket.stream import StreamOptions
+from mod_pywebsocket import util
+from test import mock
+
+
+# We use one fixed nonce for testing instead of cryptographically secure PRNG.
+_MASKING_NONCE = 'ABCD'
+
+
+def _mask_hybi(frame):
+    frame_key = map(ord, _MASKING_NONCE)
+    frame_key_len = len(frame_key)
+    result = array.array('B')
+    result.fromstring(frame)
+    count = 0
+    for i in xrange(len(result)):
+        result[i] ^= frame_key[count]
+        count = (count + 1) % frame_key_len
+    return _MASKING_NONCE + result.tostring()
+
+
+def _install_extension_processor(processor, request, stream_options):
+    response = processor.get_extension_response()
+    if response is not None:
+        processor.setup_stream_options(stream_options)
+        request.ws_extension_processors.append(processor)
+
+
+def _create_request_from_rawdata(
+        read_data,
+        deflate_frame_request=None,
+        permessage_compression_request=None,
+        permessage_deflate_request=None):
+    req = mock.MockRequest(connection=mock.MockConn(''.join(read_data)))
+    req.ws_version = common.VERSION_HYBI_LATEST
+    req.ws_extension_processors = []
+
+    processor = None
+    if deflate_frame_request is not None:
+        processor = DeflateFrameExtensionProcessor(deflate_frame_request)
+    elif permessage_compression_request is not None:
+        processor = PerMessageCompressExtensionProcessor(
+                permessage_compression_request)
+    elif permessage_deflate_request is not None:
+        processor = PerMessageDeflateExtensionProcessor(
+                permessage_deflate_request)
+
+    stream_options = StreamOptions()
+    if processor is not None:
+        _install_extension_processor(processor, req, stream_options)
+    req.ws_stream = Stream(req, stream_options)
+
+    return req
+
+
+def _create_request(*frames):
+    """Creates MockRequest using data given as frames.
+
+    frames will be returned on calling request.connection.read() where request
+    is MockRequest returned by this function.
+    """
+
+    read_data = []
+    for (header, body) in frames:
+        read_data.append(header + _mask_hybi(body))
+
+    return _create_request_from_rawdata(read_data)
+
+
+def _create_blocking_request():
+    """Creates MockRequest.
+
+    Data written to a MockRequest can be read out by calling
+    request.connection.written_data().
+    """
+
+    req = mock.MockRequest(connection=mock.MockBlockingConn())
+    req.ws_version = common.VERSION_HYBI_LATEST
+    stream_options = StreamOptions()
+    req.ws_stream = Stream(req, stream_options)
+    return req
+
+
+def _create_request_hixie75(read_data=''):
+    req = mock.MockRequest(connection=mock.MockConn(read_data))
+    req.ws_stream = StreamHixie75(req)
+    return req
+
+
+def _create_blocking_request_hixie75():
+    req = mock.MockRequest(connection=mock.MockBlockingConn())
+    req.ws_stream = StreamHixie75(req)
+    return req
+
+
+class BasicMessageTest(unittest.TestCase):
+    """Basic tests for Stream."""
+
+    def test_send_message(self):
+        request = _create_request()
+        msgutil.send_message(request, 'Hello')
+        self.assertEqual('\x81\x05Hello', request.connection.written_data())
+
+        payload = 'a' * 125
+        request = _create_request()
+        msgutil.send_message(request, payload)
+        self.assertEqual('\x81\x7d' + payload,
+                         request.connection.written_data())
+
+    def test_send_medium_message(self):
+        payload = 'a' * 126
+        request = _create_request()
+        msgutil.send_message(request, payload)
+        self.assertEqual('\x81\x7e\x00\x7e' + payload,
+                         request.connection.written_data())
+
+        payload = 'a' * ((1 << 16) - 1)
+        request = _create_request()
+        msgutil.send_message(request, payload)
+        self.assertEqual('\x81\x7e\xff\xff' + payload,
+                         request.connection.written_data())
+
+    def test_send_large_message(self):
+        payload = 'a' * (1 << 16)
+        request = _create_request()
+        msgutil.send_message(request, payload)
+        self.assertEqual('\x81\x7f\x00\x00\x00\x00\x00\x01\x00\x00' + payload,
+                         request.connection.written_data())
+
+    def test_send_message_unicode(self):
+        request = _create_request()
+        msgutil.send_message(request, u'\u65e5')
+        # U+65e5 is encoded as e6,97,a5 in UTF-8
+        self.assertEqual('\x81\x03\xe6\x97\xa5',
+                         request.connection.written_data())
+
+    def test_send_message_fragments(self):
+        request = _create_request()
+        msgutil.send_message(request, 'Hello', False)
+        msgutil.send_message(request, ' ', False)
+        msgutil.send_message(request, 'World', False)
+        msgutil.send_message(request, '!', True)
+        self.assertEqual('\x01\x05Hello\x00\x01 \x00\x05World\x80\x01!',
+                         request.connection.written_data())
+
+    def test_send_fragments_immediate_zero_termination(self):
+        request = _create_request()
+        msgutil.send_message(request, 'Hello World!', False)
+        msgutil.send_message(request, '', True)
+        self.assertEqual('\x01\x0cHello World!\x80\x00',
+                         request.connection.written_data())
+
+    def test_receive_message(self):
+        request = _create_request(
+            ('\x81\x85', 'Hello'), ('\x81\x86', 'World!'))
+        self.assertEqual('Hello', msgutil.receive_message(request))
+        self.assertEqual('World!', msgutil.receive_message(request))
+
+        payload = 'a' * 125
+        request = _create_request(('\x81\xfd', payload))
+        self.assertEqual(payload, msgutil.receive_message(request))
+
+    def test_receive_medium_message(self):
+        payload = 'a' * 126
+        request = _create_request(('\x81\xfe\x00\x7e', payload))
+        self.assertEqual(payload, msgutil.receive_message(request))
+
+        payload = 'a' * ((1 << 16) - 1)
+        request = _create_request(('\x81\xfe\xff\xff', payload))
+        self.assertEqual(payload, msgutil.receive_message(request))
+
+    def test_receive_large_message(self):
+        payload = 'a' * (1 << 16)
+        request = _create_request(
+            ('\x81\xff\x00\x00\x00\x00\x00\x01\x00\x00', payload))
+        self.assertEqual(payload, msgutil.receive_message(request))
+
+    def test_receive_length_not_encoded_using_minimal_number_of_bytes(self):
+        # Log warning on receiving bad payload length field that doesn't use
+        # minimal number of bytes but continue processing.
+
+        payload = 'a'
+        # 1 byte can be represented without extended payload length field.
+        request = _create_request(
+            ('\x81\xff\x00\x00\x00\x00\x00\x00\x00\x01', payload))
+        self.assertEqual(payload, msgutil.receive_message(request))
+
+    def test_receive_message_unicode(self):
+        request = _create_request(('\x81\x83', '\xe6\x9c\xac'))
+        # U+672c is encoded as e6,9c,ac in UTF-8
+        self.assertEqual(u'\u672c', msgutil.receive_message(request))
+
+    def test_receive_message_erroneous_unicode(self):
+        # \x80 and \x81 are invalid as UTF-8.
+        request = _create_request(('\x81\x82', '\x80\x81'))
+        # Invalid characters should raise InvalidUTF8Exception
+        self.assertRaises(InvalidUTF8Exception,
+                          msgutil.receive_message,
+                          request)
+
+    def test_receive_fragments(self):
+        request = _create_request(
+            ('\x01\x85', 'Hello'),
+            ('\x00\x81', ' '),
+            ('\x00\x85', 'World'),
+            ('\x80\x81', '!'))
+        self.assertEqual('Hello World!', msgutil.receive_message(request))
+
+    def test_receive_fragments_unicode(self):
+        # UTF-8 encodes U+6f22 into e6bca2 and U+5b57 into e5ad97.
+        request = _create_request(
+            ('\x01\x82', '\xe6\xbc'),
+            ('\x00\x82', '\xa2\xe5'),
+            ('\x80\x82', '\xad\x97'))
+        self.assertEqual(u'\u6f22\u5b57', msgutil.receive_message(request))
+
+    def test_receive_fragments_immediate_zero_termination(self):
+        request = _create_request(
+            ('\x01\x8c', 'Hello World!'), ('\x80\x80', ''))
+        self.assertEqual('Hello World!', msgutil.receive_message(request))
+
+    def test_receive_fragments_duplicate_start(self):
+        request = _create_request(
+            ('\x01\x85', 'Hello'), ('\x01\x85', 'World'))
+        self.assertRaises(msgutil.InvalidFrameException,
+                          msgutil.receive_message,
+                          request)
+
+    def test_receive_fragments_intermediate_but_not_started(self):
+        request = _create_request(('\x00\x85', 'Hello'))
+        self.assertRaises(msgutil.InvalidFrameException,
+                          msgutil.receive_message,
+                          request)
+
+    def test_receive_fragments_end_but_not_started(self):
+        request = _create_request(('\x80\x85', 'Hello'))
+        self.assertRaises(msgutil.InvalidFrameException,
+                          msgutil.receive_message,
+                          request)
+
+    def test_receive_message_discard(self):
+        request = _create_request(
+            ('\x8f\x86', 'IGNORE'), ('\x81\x85', 'Hello'),
+            ('\x8f\x89', 'DISREGARD'), ('\x81\x86', 'World!'))
+        self.assertRaises(msgutil.UnsupportedFrameException,
+                          msgutil.receive_message, request)
+        self.assertEqual('Hello', msgutil.receive_message(request))
+        self.assertRaises(msgutil.UnsupportedFrameException,
+                          msgutil.receive_message, request)
+        self.assertEqual('World!', msgutil.receive_message(request))
+
+    def test_receive_close(self):
+        request = _create_request(
+            ('\x88\x8a', struct.pack('!H', 1000) + 'Good bye'))
+        self.assertEqual(None, msgutil.receive_message(request))
+        self.assertEqual(1000, request.ws_close_code)
+        self.assertEqual('Good bye', request.ws_close_reason)
+
+    def test_send_longest_close(self):
+        reason = 'a' * 123
+        request = _create_request(
+            ('\x88\xfd',
+             struct.pack('!H', common.STATUS_NORMAL_CLOSURE) + reason))
+        request.ws_stream.close_connection(common.STATUS_NORMAL_CLOSURE,
+                                           reason)
+        self.assertEqual(request.ws_close_code, common.STATUS_NORMAL_CLOSURE)
+        self.assertEqual(request.ws_close_reason, reason)
+
+    def test_send_close_too_long(self):
+        request = _create_request()
+        self.assertRaises(msgutil.BadOperationException,
+                          Stream.close_connection,
+                          request.ws_stream,
+                          common.STATUS_NORMAL_CLOSURE,
+                          'a' * 124)
+
+    def test_send_close_inconsistent_code_and_reason(self):
+        request = _create_request()
+        # reason parameter must not be specified when code is None.
+        self.assertRaises(msgutil.BadOperationException,
+                          Stream.close_connection,
+                          request.ws_stream,
+                          None,
+                          'a')
+
+    def test_send_ping(self):
+        request = _create_request()
+        msgutil.send_ping(request, 'Hello World!')
+        self.assertEqual('\x89\x0cHello World!',
+                         request.connection.written_data())
+
+    def test_send_longest_ping(self):
+        request = _create_request()
+        msgutil.send_ping(request, 'a' * 125)
+        self.assertEqual('\x89\x7d' + 'a' * 125,
+                         request.connection.written_data())
+
+    def test_send_ping_too_long(self):
+        request = _create_request()
+        self.assertRaises(msgutil.BadOperationException,
+                          msgutil.send_ping,
+                          request,
+                          'a' * 126)
+
+    def test_receive_ping(self):
+        """Tests receiving a ping control frame."""
+
+        def handler(request, message):
+            request.called = True
+
+        # Stream automatically respond to ping with pong without any action
+        # by application layer.
+        request = _create_request(
+            ('\x89\x85', 'Hello'), ('\x81\x85', 'World'))
+        self.assertEqual('World', msgutil.receive_message(request))
+        self.assertEqual('\x8a\x05Hello',
+                         request.connection.written_data())
+
+        request = _create_request(
+            ('\x89\x85', 'Hello'), ('\x81\x85', 'World'))
+        request.on_ping_handler = handler
+        self.assertEqual('World', msgutil.receive_message(request))
+        self.assertTrue(request.called)
+
+    def test_receive_longest_ping(self):
+        request = _create_request(
+            ('\x89\xfd', 'a' * 125), ('\x81\x85', 'World'))
+        self.assertEqual('World', msgutil.receive_message(request))
+        self.assertEqual('\x8a\x7d' + 'a' * 125,
+                         request.connection.written_data())
+
+    def test_receive_ping_too_long(self):
+        request = _create_request(('\x89\xfe\x00\x7e', 'a' * 126))
+        self.assertRaises(msgutil.InvalidFrameException,
+                          msgutil.receive_message,
+                          request)
+
+    def test_receive_pong(self):
+        """Tests receiving a pong control frame."""
+
+        def handler(request, message):
+            request.called = True
+
+        request = _create_request(
+            ('\x8a\x85', 'Hello'), ('\x81\x85', 'World'))
+        request.on_pong_handler = handler
+        msgutil.send_ping(request, 'Hello')
+        self.assertEqual('\x89\x05Hello',
+                         request.connection.written_data())
+        # Valid pong is received, but receive_message won't return for it.
+        self.assertEqual('World', msgutil.receive_message(request))
+        # Check that nothing was written after receive_message call.
+        self.assertEqual('\x89\x05Hello',
+                         request.connection.written_data())
+
+        self.assertTrue(request.called)
+
+    def test_receive_unsolicited_pong(self):
+        # Unsolicited pong is allowed from HyBi 07.
+        request = _create_request(
+            ('\x8a\x85', 'Hello'), ('\x81\x85', 'World'))
+        msgutil.receive_message(request)
+
+        request = _create_request(
+            ('\x8a\x85', 'Hello'), ('\x81\x85', 'World'))
+        msgutil.send_ping(request, 'Jumbo')
+        # Body mismatch.
+        msgutil.receive_message(request)
+
+    def test_ping_cannot_be_fragmented(self):
+        request = _create_request(('\x09\x85', 'Hello'))
+        self.assertRaises(msgutil.InvalidFrameException,
+                          msgutil.receive_message,
+                          request)
+
+    def test_ping_with_too_long_payload(self):
+        request = _create_request(('\x89\xfe\x01\x00', 'a' * 256))
+        self.assertRaises(msgutil.InvalidFrameException,
+                          msgutil.receive_message,
+                          request)
+
+
+class DeflateFrameTest(unittest.TestCase):
+    """Tests for checking deflate-frame extension."""
+
+    def test_send_message(self):
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        request = _create_request_from_rawdata(
+            '', deflate_frame_request=extension)
+        msgutil.send_message(request, 'Hello')
+        msgutil.send_message(request, 'World')
+
+        expected = ''
+
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        expected += '\xc1%c' % len(compressed_hello)
+        expected += compressed_hello
+
+        compressed_world = compress.compress('World')
+        compressed_world += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_world = compressed_world[:-4]
+        expected += '\xc1%c' % len(compressed_world)
+        expected += compressed_world
+
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_send_message_bfinal(self):
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        request = _create_request_from_rawdata(
+            '', deflate_frame_request=extension)
+        self.assertEquals(1, len(request.ws_extension_processors))
+        deflate_frame_processor = request.ws_extension_processors[0]
+        deflate_frame_processor.set_bfinal(True)
+        msgutil.send_message(request, 'Hello')
+        msgutil.send_message(request, 'World')
+
+        expected = ''
+
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_FINISH)
+        compressed_hello = compressed_hello + chr(0)
+        expected += '\xc1%c' % len(compressed_hello)
+        expected += compressed_hello
+
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_world = compress.compress('World')
+        compressed_world += compress.flush(zlib.Z_FINISH)
+        compressed_world = compressed_world + chr(0)
+        expected += '\xc1%c' % len(compressed_world)
+        expected += compressed_world
+
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_send_message_comp_bit(self):
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        request = _create_request_from_rawdata(
+            '', deflate_frame_request=extension)
+        self.assertEquals(1, len(request.ws_extension_processors))
+        deflate_frame_processor = request.ws_extension_processors[0]
+        msgutil.send_message(request, 'Hello')
+        deflate_frame_processor.disable_outgoing_compression()
+        msgutil.send_message(request, 'Hello')
+        deflate_frame_processor.enable_outgoing_compression()
+        msgutil.send_message(request, 'Hello')
+
+        expected = ''
+
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        expected += '\xc1%c' % len(compressed_hello)
+        expected += compressed_hello
+
+        expected += '\x81\x05Hello'
+
+        compressed_2nd_hello = compress.compress('Hello')
+        compressed_2nd_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_2nd_hello = compressed_2nd_hello[:-4]
+        expected += '\xc1%c' % len(compressed_2nd_hello)
+        expected += compressed_2nd_hello
+
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_send_message_no_context_takeover_parameter(self):
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        extension.add_parameter('no_context_takeover', None)
+        request = _create_request_from_rawdata(
+            '', deflate_frame_request=extension)
+        for i in xrange(3):
+            msgutil.send_message(request, 'Hello')
+
+        compressed_message = compress.compress('Hello')
+        compressed_message += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_message = compressed_message[:-4]
+        expected = '\xc1%c' % len(compressed_message)
+        expected += compressed_message
+
+        self.assertEqual(
+            expected + expected + expected, request.connection.written_data())
+
+    def test_bad_request_parameters(self):
+        """Tests that if there's anything wrong with deflate-frame extension
+        request, deflate-frame is rejected.
+        """
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        # max_window_bits less than 8 is illegal.
+        extension.add_parameter('max_window_bits', '7')
+        processor = DeflateFrameExtensionProcessor(extension)
+        self.assertEqual(None, processor.get_extension_response())
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        # max_window_bits greater than 15 is illegal.
+        extension.add_parameter('max_window_bits', '16')
+        processor = DeflateFrameExtensionProcessor(extension)
+        self.assertEqual(None, processor.get_extension_response())
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        # Non integer max_window_bits is illegal.
+        extension.add_parameter('max_window_bits', 'foobar')
+        processor = DeflateFrameExtensionProcessor(extension)
+        self.assertEqual(None, processor.get_extension_response())
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        # no_context_takeover must not have any value.
+        extension.add_parameter('no_context_takeover', 'foobar')
+        processor = DeflateFrameExtensionProcessor(extension)
+        self.assertEqual(None, processor.get_extension_response())
+
+    def test_response_parameters(self):
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        processor = DeflateFrameExtensionProcessor(extension)
+        processor.set_response_window_bits(8)
+        response = processor.get_extension_response()
+        self.assertTrue(response.has_parameter('max_window_bits'))
+        self.assertEqual('8', response.get_parameter_value('max_window_bits'))
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        processor = DeflateFrameExtensionProcessor(extension)
+        processor.set_response_no_context_takeover(True)
+        response = processor.get_extension_response()
+        self.assertTrue(response.has_parameter('no_context_takeover'))
+        self.assertTrue(
+            response.get_parameter_value('no_context_takeover') is None)
+
+    def test_receive_message(self):
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        data = ''
+
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        data += '\xc1%c' % (len(compressed_hello) | 0x80)
+        data += _mask_hybi(compressed_hello)
+
+        compressed_websocket = compress.compress('WebSocket')
+        compressed_websocket += compress.flush(zlib.Z_FINISH)
+        compressed_websocket += '\x00'
+        data += '\xc1%c' % (len(compressed_websocket) | 0x80)
+        data += _mask_hybi(compressed_websocket)
+
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        compressed_world = compress.compress('World')
+        compressed_world += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_world = compressed_world[:-4]
+        data += '\xc1%c' % (len(compressed_world) | 0x80)
+        data += _mask_hybi(compressed_world)
+
+        # Close frame
+        data += '\x88\x8a' + _mask_hybi(struct.pack('!H', 1000) + 'Good bye')
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        request = _create_request_from_rawdata(
+            data, deflate_frame_request=extension)
+        self.assertEqual('Hello', msgutil.receive_message(request))
+        self.assertEqual('WebSocket', msgutil.receive_message(request))
+        self.assertEqual('World', msgutil.receive_message(request))
+
+        self.assertEqual(None, msgutil.receive_message(request))
+
+    def test_receive_message_client_using_smaller_window(self):
+        """Test that frames coming from a client which is using smaller window
+        size that the server are correctly received.
+        """
+
+        # Using the smallest window bits of 8 for generating input frames.
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -8)
+
+        data = ''
+
+        # Use a frame whose content is bigger than the clients' DEFLATE window
+        # size before compression. The content mainly consists of 'a' but
+        # repetition of 'b' is put at the head and tail so that if the window
+        # size is big, the head is back-referenced but if small, not.
+        payload = 'b' * 64 + 'a' * 1024 + 'b' * 64
+        compressed_hello = compress.compress(payload)
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        data += '\xc1%c' % (len(compressed_hello) | 0x80)
+        data += _mask_hybi(compressed_hello)
+
+        # Close frame
+        data += '\x88\x8a' + _mask_hybi(struct.pack('!H', 1000) + 'Good bye')
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        request = _create_request_from_rawdata(
+            data, deflate_frame_request=extension)
+        self.assertEqual(payload, msgutil.receive_message(request))
+
+        self.assertEqual(None, msgutil.receive_message(request))
+
+    def test_receive_message_comp_bit(self):
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        data = ''
+
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        data += '\xc1%c' % (len(compressed_hello) | 0x80)
+        data += _mask_hybi(compressed_hello)
+
+        data += '\x81\x85' + _mask_hybi('Hello')
+
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        compressed_2nd_hello = compress.compress('Hello')
+        compressed_2nd_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_2nd_hello = compressed_2nd_hello[:-4]
+        data += '\xc1%c' % (len(compressed_2nd_hello) | 0x80)
+        data += _mask_hybi(compressed_2nd_hello)
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        request = _create_request_from_rawdata(
+            data, deflate_frame_request=extension)
+        for i in xrange(3):
+            self.assertEqual('Hello', msgutil.receive_message(request))
+
+    def test_receive_message_various_btype(self):
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        data = ''
+
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        data += '\xc1%c' % (len(compressed_hello) | 0x80)
+        data += _mask_hybi(compressed_hello)
+
+        compressed_websocket = compress.compress('WebSocket')
+        compressed_websocket += compress.flush(zlib.Z_FINISH)
+        compressed_websocket += '\x00'
+        data += '\xc1%c' % (len(compressed_websocket) | 0x80)
+        data += _mask_hybi(compressed_websocket)
+
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        compressed_world = compress.compress('World')
+        compressed_world += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_world = compressed_world[:-4]
+        data += '\xc1%c' % (len(compressed_world) | 0x80)
+        data += _mask_hybi(compressed_world)
+
+        # Close frame
+        data += '\x88\x8a' + _mask_hybi(struct.pack('!H', 1000) + 'Good bye')
+
+        extension = common.ExtensionParameter(common.DEFLATE_FRAME_EXTENSION)
+        request = _create_request_from_rawdata(
+            data, deflate_frame_request=extension)
+        self.assertEqual('Hello', msgutil.receive_message(request))
+        self.assertEqual('WebSocket', msgutil.receive_message(request))
+        self.assertEqual('World', msgutil.receive_message(request))
+
+        self.assertEqual(None, msgutil.receive_message(request))
+
+
+class PerMessageDeflateTest(unittest.TestCase):
+    """Tests for permessage-deflate extension."""
+
+    def test_send_message(self):
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+        msgutil.send_message(request, 'Hello')
+
+        compress = zlib.compressobj(
+                zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        expected = '\xc1%c' % len(compressed_hello)
+        expected += compressed_hello
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_send_empty_message(self):
+        """Test that an empty message is compressed correctly."""
+
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+
+        msgutil.send_message(request, '')
+
+        # Payload in binary: 0b00000010 0b00000000
+        # From LSB,
+        # - 1 bit of BFINAL (0)
+        # - 2 bits of BTYPE (01 that means fixed Huffman)
+        # - 7 bits of the first code (0000000 that is the code for the
+        #   end-of-block)
+        # - 1 bit of BFINAL (0)
+        # - 2 bits of BTYPE (no compression)
+        # - 3 bits of padding
+        self.assertEqual('\xc1\x02\x02\x00',
+                         request.connection.written_data())
+
+    def test_send_message_with_null_character(self):
+        """Test that a simple payload (one null) is framed correctly."""
+
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+
+        msgutil.send_message(request, '\x00')
+
+        # Payload in binary: 0b01100010 0b00000000 0b00000000
+        # From LSB,
+        # - 1 bit of BFINAL (0)
+        # - 2 bits of BTYPE (01 that means fixed Huffman)
+        # - 8 bits of the first code (00110000 that is the code for the literal
+        #   alphabet 0x00)
+        # - 7 bits of the second code (0000000 that is the code for the
+        #   end-of-block)
+        # - 1 bit of BFINAL (0)
+        # - 2 bits of BTYPE (no compression)
+        # - 2 bits of padding
+        self.assertEqual('\xc1\x03\x62\x00\x00',
+                         request.connection.written_data())
+
+    def test_send_two_messages(self):
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+        msgutil.send_message(request, 'Hello')
+        msgutil.send_message(request, 'World')
+
+        compress = zlib.compressobj(
+                zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        expected = ''
+
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        expected += '\xc1%c' % len(compressed_hello)
+        expected += compressed_hello
+
+        compressed_world = compress.compress('World')
+        compressed_world += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_world = compressed_world[:-4]
+        expected += '\xc1%c' % len(compressed_world)
+        expected += compressed_world
+
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_send_message_fragmented(self):
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+        msgutil.send_message(request, 'Hello', end=False)
+        msgutil.send_message(request, 'Goodbye', end=False)
+        msgutil.send_message(request, 'World')
+
+        compress = zlib.compressobj(
+                zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        expected = '\x41%c' % len(compressed_hello)
+        expected += compressed_hello
+        compressed_goodbye = compress.compress('Goodbye')
+        compressed_goodbye += compress.flush(zlib.Z_SYNC_FLUSH)
+        expected += '\x00%c' % len(compressed_goodbye)
+        expected += compressed_goodbye
+        compressed_world = compress.compress('World')
+        compressed_world += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_world = compressed_world[:-4]
+        expected += '\x80%c' % len(compressed_world)
+        expected += compressed_world
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_send_message_fragmented_empty_first_frame(self):
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+        msgutil.send_message(request, '', end=False)
+        msgutil.send_message(request, 'Hello')
+
+        compress = zlib.compressobj(
+                zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        expected = '\x41%c' % len(compressed_hello)
+        expected += compressed_hello
+        compressed_empty = compress.compress('Hello')
+        compressed_empty += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_empty = compressed_empty[:-4]
+        expected += '\x80%c' % len(compressed_empty)
+        expected += compressed_empty
+        print '%r' % expected
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_send_message_fragmented_empty_last_frame(self):
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+        msgutil.send_message(request, 'Hello', end=False)
+        msgutil.send_message(request, '')
+
+        compress = zlib.compressobj(
+                zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        expected = '\x41%c' % len(compressed_hello)
+        expected += compressed_hello
+        compressed_empty = compress.compress('')
+        compressed_empty += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_empty = compressed_empty[:-4]
+        expected += '\x80%c' % len(compressed_empty)
+        expected += compressed_empty
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_send_message_using_small_window(self):
+        common_part = 'abcdefghijklmnopqrstuvwxyz'
+        test_message = common_part + '-' * 30000 + common_part
+
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        extension.add_parameter('server_max_window_bits', '8')
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+        msgutil.send_message(request, test_message)
+
+        expected_websocket_header_size = 2
+        expected_websocket_payload_size = 91
+
+        actual_frame = request.connection.written_data()
+        self.assertEqual(expected_websocket_header_size +
+                         expected_websocket_payload_size,
+                         len(actual_frame))
+        actual_header = actual_frame[0:expected_websocket_header_size]
+        actual_payload = actual_frame[expected_websocket_header_size:]
+
+        self.assertEqual(
+                '\xc1%c' % expected_websocket_payload_size, actual_header)
+        decompress = zlib.decompressobj(-8)
+        decompressed_message = decompress.decompress(
+                actual_payload + '\x00\x00\xff\xff')
+        decompressed_message += decompress.flush()
+        self.assertEqual(test_message, decompressed_message)
+        self.assertEqual(0, len(decompress.unused_data))
+        self.assertEqual(0, len(decompress.unconsumed_tail))
+
+    def test_send_message_no_context_takeover_parameter(self):
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        extension.add_parameter('server_no_context_takeover', None)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+        for i in xrange(3):
+            msgutil.send_message(request, 'Hello', end=False)
+            msgutil.send_message(request, 'Hello', end=True)
+
+        compress = zlib.compressobj(
+                zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        first_hello = compress.compress('Hello')
+        first_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        expected = '\x41%c' % len(first_hello)
+        expected += first_hello
+        second_hello = compress.compress('Hello')
+        second_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        second_hello = second_hello[:-4]
+        expected += '\x80%c' % len(second_hello)
+        expected += second_hello
+
+        self.assertEqual(
+                expected + expected + expected,
+                request.connection.written_data())
+
+    def test_send_message_fragmented_bfinal(self):
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                '', permessage_deflate_request=extension)
+        self.assertEquals(1, len(request.ws_extension_processors))
+        request.ws_extension_processors[0].set_bfinal(True)
+        msgutil.send_message(request, 'Hello', end=False)
+        msgutil.send_message(request, 'World', end=True)
+
+        expected = ''
+
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_FINISH)
+        compressed_hello = compressed_hello + chr(0)
+        expected += '\x41%c' % len(compressed_hello)
+        expected += compressed_hello
+
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_world = compress.compress('World')
+        compressed_world += compress.flush(zlib.Z_FINISH)
+        compressed_world = compressed_world + chr(0)
+        expected += '\x80%c' % len(compressed_world)
+        expected += compressed_world
+
+        self.assertEqual(expected, request.connection.written_data())
+
+    def test_receive_message_deflate(self):
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        data = '\xc1%c' % (len(compressed_hello) | 0x80)
+        data += _mask_hybi(compressed_hello)
+
+        # Close frame
+        data += '\x88\x8a' + _mask_hybi(struct.pack('!H', 1000) + 'Good bye')
+
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                data, permessage_deflate_request=extension)
+        self.assertEqual('Hello', msgutil.receive_message(request))
+
+        self.assertEqual(None, msgutil.receive_message(request))
+
+    def test_receive_message_random_section(self):
+        """Test that a compressed message fragmented into lots of chunks is
+        correctly received.
+        """
+
+        random.seed(a=0)
+        payload = ''.join(
+            [chr(random.randint(0, 255)) for i in xrange(1000)])
+
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_payload = compress.compress(payload)
+        compressed_payload += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_payload = compressed_payload[:-4]
+
+        # Fragment the compressed payload into lots of frames.
+        bytes_chunked = 0
+        data = ''
+        frame_count = 0
+
+        chunk_sizes = []
+
+        while bytes_chunked < len(compressed_payload):
+            # Make sure that
+            # - the length of chunks are equal or less than 125 so that we can
+            #   use 1 octet length header format for all frames.
+            # - at least 10 chunks are created.
+            chunk_size = random.randint(
+                1, min(125,
+                       len(compressed_payload) / 10,
+                       len(compressed_payload) - bytes_chunked))
+            chunk_sizes.append(chunk_size)
+            chunk = compressed_payload[
+                bytes_chunked:bytes_chunked + chunk_size]
+            bytes_chunked += chunk_size
+
+            first_octet = 0x00
+            if len(data) == 0:
+                first_octet = first_octet | 0x42
+            if bytes_chunked == len(compressed_payload):
+                first_octet = first_octet | 0x80
+
+            data += '%c%c' % (first_octet, chunk_size | 0x80)
+            data += _mask_hybi(chunk)
+
+            frame_count += 1
+
+        print "Chunk sizes: %r" % chunk_sizes
+        self.assertTrue(len(chunk_sizes) > 10)
+
+        # Close frame
+        data += '\x88\x8a' + _mask_hybi(struct.pack('!H', 1000) + 'Good bye')
+
+        extension = common.ExtensionParameter(
+            common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+            data, permessage_deflate_request=extension)
+        self.assertEqual(payload, msgutil.receive_message(request))
+
+        self.assertEqual(None, msgutil.receive_message(request))
+
+    def test_receive_two_messages(self):
+        compress = zlib.compressobj(
+                zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        data = ''
+
+        compressed_hello = compress.compress('HelloWebSocket')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        split_position = len(compressed_hello) / 2
+        data += '\x41%c' % (split_position | 0x80)
+        data += _mask_hybi(compressed_hello[:split_position])
+
+        data += '\x80%c' % ((len(compressed_hello) - split_position) | 0x80)
+        data += _mask_hybi(compressed_hello[split_position:])
+
+        compress = zlib.compressobj(
+                zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+
+        compressed_world = compress.compress('World')
+        compressed_world += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_world = compressed_world[:-4]
+        data += '\xc1%c' % (len(compressed_world) | 0x80)
+        data += _mask_hybi(compressed_world)
+
+        # Close frame
+        data += '\x88\x8a' + _mask_hybi(struct.pack('!H', 1000) + 'Good bye')
+
+        extension = common.ExtensionParameter(
+                common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+                data, permessage_deflate_request=extension)
+        self.assertEqual('HelloWebSocket', msgutil.receive_message(request))
+        self.assertEqual('World', msgutil.receive_message(request))
+
+        self.assertEqual(None, msgutil.receive_message(request))
+
+    def test_receive_message_mixed_btype(self):
+        """Test that a message compressed using lots of DEFLATE blocks with
+        various flush mode is correctly received.
+        """
+
+        random.seed(a=0)
+        payload = ''.join(
+            [chr(random.randint(0, 255)) for i in xrange(1000)])
+
+        compress = None
+
+        # Fragment the compressed payload into lots of frames.
+        bytes_chunked = 0
+        compressed_payload = ''
+
+        chunk_sizes = []
+        methods = []
+        sync_used = False
+        finish_used = False
+
+        while bytes_chunked < len(payload):
+            # Make sure at least 10 chunks are created.
+            chunk_size = random.randint(
+                1, min(100, len(payload) - bytes_chunked))
+            chunk_sizes.append(chunk_size)
+            chunk = payload[bytes_chunked:bytes_chunked + chunk_size]
+
+            bytes_chunked += chunk_size
+
+            if compress is None:
+                compress = zlib.compressobj(
+                    zlib.Z_DEFAULT_COMPRESSION,
+                    zlib.DEFLATED,
+                    -zlib.MAX_WBITS)
+
+            if bytes_chunked == len(payload):
+                compressed_payload += compress.compress(chunk)
+                compressed_payload += compress.flush(zlib.Z_SYNC_FLUSH)
+                compressed_payload = compressed_payload[:-4]
+            else:
+                method = random.randint(0, 1)
+                methods.append(method)
+                if method == 0:
+                    compressed_payload += compress.compress(chunk)
+                    compressed_payload += compress.flush(zlib.Z_SYNC_FLUSH)
+                    sync_used = True
+                else:
+                    compressed_payload += compress.compress(chunk)
+                    compressed_payload += compress.flush(zlib.Z_FINISH)
+                    compress = None
+                    finish_used = True
+
+        print "Chunk sizes: %r" % chunk_sizes
+        self.assertTrue(len(chunk_sizes) > 10)
+        print "Methods: %r" % methods
+        self.assertTrue(sync_used)
+        self.assertTrue(finish_used)
+
+        self.assertTrue(125 < len(compressed_payload))
+        self.assertTrue(len(compressed_payload) < 65536)
+        data = '\xc2\xfe' + struct.pack('!H', len(compressed_payload))
+        data += _mask_hybi(compressed_payload)
+
+        # Close frame
+        data += '\x88\x8a' + _mask_hybi(struct.pack('!H', 1000) + 'Good bye')
+
+        extension = common.ExtensionParameter(
+            common.PERMESSAGE_DEFLATE_EXTENSION)
+        request = _create_request_from_rawdata(
+            data, permessage_deflate_request=extension)
+        self.assertEqual(payload, msgutil.receive_message(request))
+
+        self.assertEqual(None, msgutil.receive_message(request))
+
+
+class PerMessageCompressTest(unittest.TestCase):
+    """Tests for checking permessage-compression extension."""
+
+    def test_deflate_response_parameters(self):
+        extension = common.ExtensionParameter(
+            common.PERMESSAGE_COMPRESSION_EXTENSION)
+        extension.add_parameter('method', 'deflate')
+        processor = PerMessageCompressExtensionProcessor(extension)
+        response = processor.get_extension_response()
+        self.assertEqual('deflate',
+                         response.get_parameter_value('method'))
+
+        extension = common.ExtensionParameter(
+            common.PERMESSAGE_COMPRESSION_EXTENSION)
+        extension.add_parameter('method', 'deflate')
+        processor = PerMessageCompressExtensionProcessor(extension)
+
+        def _compression_processor_hook(compression_processor):
+            compression_processor.set_client_max_window_bits(8)
+            compression_processor.set_client_no_context_takeover(True)
+        processor.set_compression_processor_hook(
+            _compression_processor_hook)
+        response = processor.get_extension_response()
+        self.assertEqual(
+            'deflate; client_max_window_bits=8; client_no_context_takeover',
+            response.get_parameter_value('method'))
+
+
+class MessageTestHixie75(unittest.TestCase):
+    """Tests for draft-hixie-thewebsocketprotocol-76 stream class."""
+
+    def test_send_message(self):
+        request = _create_request_hixie75()
+        msgutil.send_message(request, 'Hello')
+        self.assertEqual('\x00Hello\xff', request.connection.written_data())
+
+    def test_send_message_unicode(self):
+        request = _create_request_hixie75()
+        msgutil.send_message(request, u'\u65e5')
+        # U+65e5 is encoded as e6,97,a5 in UTF-8
+        self.assertEqual('\x00\xe6\x97\xa5\xff',
+                         request.connection.written_data())
+
+    def test_receive_message(self):
+        request = _create_request_hixie75('\x00Hello\xff\x00World!\xff')
+        self.assertEqual('Hello', msgutil.receive_message(request))
+        self.assertEqual('World!', msgutil.receive_message(request))
+
+    def test_receive_message_unicode(self):
+        request = _create_request_hixie75('\x00\xe6\x9c\xac\xff')
+        # U+672c is encoded as e6,9c,ac in UTF-8
+        self.assertEqual(u'\u672c', msgutil.receive_message(request))
+
+    def test_receive_message_erroneous_unicode(self):
+        # \x80 and \x81 are invalid as UTF-8.
+        request = _create_request_hixie75('\x00\x80\x81\xff')
+        # Invalid characters should be replaced with
+        # U+fffd REPLACEMENT CHARACTER
+        self.assertEqual(u'\ufffd\ufffd', msgutil.receive_message(request))
+
+    def test_receive_message_discard(self):
+        request = _create_request_hixie75('\x80\x06IGNORE\x00Hello\xff'
+                                          '\x01DISREGARD\xff\x00World!\xff')
+        self.assertEqual('Hello', msgutil.receive_message(request))
+        self.assertEqual('World!', msgutil.receive_message(request))
+
+
+class MessageReceiverTest(unittest.TestCase):
+    """Tests the Stream class using MessageReceiver."""
+
+    def test_queue(self):
+        request = _create_blocking_request()
+        receiver = msgutil.MessageReceiver(request)
+
+        self.assertEqual(None, receiver.receive_nowait())
+
+        request.connection.put_bytes('\x81\x86' + _mask_hybi('Hello!'))
+        self.assertEqual('Hello!', receiver.receive())
+
+    def test_onmessage(self):
+        onmessage_queue = Queue.Queue()
+
+        def onmessage_handler(message):
+            onmessage_queue.put(message)
+
+        request = _create_blocking_request()
+        receiver = msgutil.MessageReceiver(request, onmessage_handler)
+
+        request.connection.put_bytes('\x81\x86' + _mask_hybi('Hello!'))
+        self.assertEqual('Hello!', onmessage_queue.get())
+
+
+class MessageReceiverHixie75Test(unittest.TestCase):
+    """Tests the StreamHixie75 class using MessageReceiver."""
+
+    def test_queue(self):
+        request = _create_blocking_request_hixie75()
+        receiver = msgutil.MessageReceiver(request)
+
+        self.assertEqual(None, receiver.receive_nowait())
+
+        request.connection.put_bytes('\x00Hello!\xff')
+        self.assertEqual('Hello!', receiver.receive())
+
+    def test_onmessage(self):
+        onmessage_queue = Queue.Queue()
+
+        def onmessage_handler(message):
+            onmessage_queue.put(message)
+
+        request = _create_blocking_request_hixie75()
+        receiver = msgutil.MessageReceiver(request, onmessage_handler)
+
+        request.connection.put_bytes('\x00Hello!\xff')
+        self.assertEqual('Hello!', onmessage_queue.get())
+
+
+class MessageSenderTest(unittest.TestCase):
+    """Tests the Stream class using MessageSender."""
+
+    def test_send(self):
+        request = _create_blocking_request()
+        sender = msgutil.MessageSender(request)
+
+        sender.send('World')
+        self.assertEqual('\x81\x05World', request.connection.written_data())
+
+    def test_send_nowait(self):
+        # Use a queue to check the bytes written by MessageSender.
+        # request.connection.written_data() cannot be used here because
+        # MessageSender runs in a separate thread.
+        send_queue = Queue.Queue()
+
+        def write(bytes):
+            send_queue.put(bytes)
+
+        request = _create_blocking_request()
+        request.connection.write = write
+
+        sender = msgutil.MessageSender(request)
+
+        sender.send_nowait('Hello')
+        sender.send_nowait('World')
+        self.assertEqual('\x81\x05Hello', send_queue.get())
+        self.assertEqual('\x81\x05World', send_queue.get())
+
+
+class MessageSenderHixie75Test(unittest.TestCase):
+    """Tests the StreamHixie75 class using MessageSender."""
+
+    def test_send(self):
+        request = _create_blocking_request_hixie75()
+        sender = msgutil.MessageSender(request)
+
+        sender.send('World')
+        self.assertEqual('\x00World\xff', request.connection.written_data())
+
+    def test_send_nowait(self):
+        # Use a queue to check the bytes written by MessageSender.
+        # request.connection.written_data() cannot be used here because
+        # MessageSender runs in a separate thread.
+        send_queue = Queue.Queue()
+
+        def write(bytes):
+            send_queue.put(bytes)
+
+        request = _create_blocking_request_hixie75()
+        request.connection.write = write
+
+        sender = msgutil.MessageSender(request)
+
+        sender.send_nowait('Hello')
+        sender.send_nowait('World')
+        self.assertEqual('\x00Hello\xff', send_queue.get())
+        self.assertEqual('\x00World\xff', send_queue.get())
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_mux.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_mux.py
new file mode 100644
index 000000000..d4598944e
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_mux.py
@@ -0,0 +1,2089 @@
+#!/usr/bin/env python
+#
+# Copyright 2012, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for mux module."""
+
+import Queue
+import copy
+import logging
+import optparse
+import struct
+import sys
+import unittest
+import time
+import zlib
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket import common
+from mod_pywebsocket import mux
+from mod_pywebsocket._stream_base import ConnectionTerminatedException
+from mod_pywebsocket._stream_base import UnsupportedFrameException
+from mod_pywebsocket._stream_hybi import Frame
+from mod_pywebsocket._stream_hybi import Stream
+from mod_pywebsocket._stream_hybi import StreamOptions
+from mod_pywebsocket._stream_hybi import create_binary_frame
+from mod_pywebsocket._stream_hybi import create_close_frame
+from mod_pywebsocket._stream_hybi import create_closing_handshake_body
+from mod_pywebsocket._stream_hybi import parse_frame
+from mod_pywebsocket.extensions import MuxExtensionProcessor
+
+
+import mock
+
+
+_TEST_HEADERS = {'Host': 'server.example.com',
+                 'Upgrade': 'websocket',
+                 'Connection': 'Upgrade',
+                 'Sec-WebSocket-Key': 'dGhlIHNhbXBsZSBub25jZQ==',
+                 'Sec-WebSocket-Version': '13',
+                 'Origin': 'http://example.com'}
+
+
+class _OutgoingChannelData(object):
+    def __init__(self):
+        self.messages = []
+        self.control_messages = []
+
+        self.builder = mux._InnerMessageBuilder()
+
+class _MockMuxConnection(mock.MockBlockingConn):
+    """Mock class of mod_python connection for mux."""
+
+    def __init__(self):
+        mock.MockBlockingConn.__init__(self)
+        self._control_blocks = []
+        self._channel_data = {}
+
+        self._current_opcode = None
+        self._pending_fragments = []
+
+        self.server_close_code = None
+
+    def write(self, data):
+        """Override MockBlockingConn.write."""
+
+        self._current_data = data
+        self._position = 0
+
+        def _receive_bytes(length):
+            if self._position + length > len(self._current_data):
+                raise ConnectionTerminatedException(
+                    'Failed to receive %d bytes from encapsulated '
+                    'frame' % length)
+            data = self._current_data[self._position:self._position+length]
+            self._position += length
+            return data
+
+        # Parse physical frames and assemble a message if the message is
+        # fragmented.
+        opcode, payload, fin, rsv1, rsv2, rsv3 = (
+            parse_frame(_receive_bytes, unmask_receive=False))
+
+        self._pending_fragments.append(payload)
+
+        if self._current_opcode is None:
+            if opcode == common.OPCODE_CONTINUATION:
+                raise Exception('Sending invalid continuation opcode')
+            self._current_opcode = opcode
+        else:
+            if opcode != common.OPCODE_CONTINUATION:
+                raise Exception('Sending invalid opcode %d' % opcode)
+        if not fin:
+            return
+
+        inner_frame_data = ''.join(self._pending_fragments)
+        self._pending_fragments = []
+        self._current_opcode = None
+
+        # Handle a control message on the physical channel.
+        # TODO(bashi): Support other opcodes if needed.
+        if opcode == common.OPCODE_CLOSE:
+            if len(payload) >= 2:
+                self.server_close_code = struct.unpack('!H', payload[:2])[0]
+            close_body = create_closing_handshake_body(
+                common.STATUS_NORMAL_CLOSURE, '')
+            close_frame = create_close_frame(close_body, mask=True)
+            self.put_bytes(close_frame)
+            return
+
+        # Parse the payload of the message on physical channel.
+        parser = mux._MuxFramePayloadParser(inner_frame_data)
+        channel_id = parser.read_channel_id()
+        if channel_id == mux._CONTROL_CHANNEL_ID:
+            self._control_blocks.extend(list(parser.read_control_blocks()))
+            return
+
+        if not channel_id in self._channel_data:
+            self._channel_data[channel_id] = _OutgoingChannelData()
+        channel_data = self._channel_data[channel_id]
+
+        # Parse logical frames and assemble an inner (logical) message.
+        (inner_fin, inner_rsv1, inner_rsv2, inner_rsv3, inner_opcode,
+         inner_payload) = parser.read_inner_frame()
+        inner_frame = Frame(inner_fin, inner_rsv1, inner_rsv2, inner_rsv3,
+                            inner_opcode, inner_payload)
+        message = channel_data.builder.build(inner_frame)
+        if message is None:
+            return
+
+        if (message.opcode == common.OPCODE_TEXT or
+            message.opcode == common.OPCODE_BINARY):
+            channel_data.messages.append(message.payload)
+
+            self.on_data_message(message.payload)
+        else:
+            channel_data.control_messages.append(
+                {'opcode': message.opcode,
+                 'message': message.payload})
+
+    def on_data_message(self, message):
+        pass
+
+    def get_written_control_blocks(self):
+        return self._control_blocks
+
+    def get_written_messages(self, channel_id):
+        return self._channel_data[channel_id].messages
+
+    def get_written_control_messages(self, channel_id):
+        return self._channel_data[channel_id].control_messages
+
+
+class _FailOnWriteConnection(_MockMuxConnection):
+    """Specicialized version of _MockMuxConnection. Its write() method raises
+    an exception for testing when a data message is written.
+    """
+
+    def on_data_message(self, message):
+        """Override to raise an exception."""
+
+        raise Exception('Intentional failure')
+
+
+class _ChannelEvent(object):
+    """A structure that records channel events."""
+
+    def __init__(self):
+        self.request = None
+        self.messages = []
+        self.exception = None
+        self.client_initiated_closing = False
+
+
+class _MuxMockDispatcher(object):
+    """Mock class of dispatch.Dispatcher for mux."""
+
+    def __init__(self):
+        self.channel_events = {}
+
+    def do_extra_handshake(self, request):
+        if request.ws_requested_protocols is not None:
+            request.ws_protocol = request.ws_requested_protocols[0]
+
+    def _do_echo(self, request, channel_events):
+        while True:
+            message = request.ws_stream.receive_message()
+            if message == None:
+                channel_events.client_initiated_closing = True
+                return
+            if message == 'Goodbye':
+                return
+            channel_events.messages.append(message)
+            # echo back
+            request.ws_stream.send_message(message)
+
+    def _do_ping(self, request, channel_events):
+        request.ws_stream.send_ping('Ping!')
+
+    def _do_ping_while_hello_world(self, request, channel_events):
+        request.ws_stream.send_message('Hello ', end=False)
+        request.ws_stream.send_ping('Ping!')
+        request.ws_stream.send_message('World!', end=True)
+
+    def _do_two_ping_while_hello_world(self, request, channel_events):
+        request.ws_stream.send_message('Hello ', end=False)
+        request.ws_stream.send_ping('Ping!')
+        request.ws_stream.send_ping('Pong!')
+        request.ws_stream.send_message('World!', end=True)
+
+    def transfer_data(self, request):
+        self.channel_events[request.channel_id] = _ChannelEvent()
+        self.channel_events[request.channel_id].request = request
+
+        try:
+            # Note: more handler will be added.
+            if request.uri.endswith('echo'):
+                self._do_echo(request,
+                              self.channel_events[request.channel_id])
+            elif request.uri.endswith('ping'):
+                self._do_ping(request,
+                              self.channel_events[request.channel_id])
+            elif request.uri.endswith('two_ping_while_hello_world'):
+                self._do_two_ping_while_hello_world(
+                    request, self.channel_events[request.channel_id])
+            elif request.uri.endswith('ping_while_hello_world'):
+                self._do_ping_while_hello_world(
+                    request, self.channel_events[request.channel_id])
+            else:
+                raise ValueError('Cannot handle path %r' % request.path)
+            if not request.server_terminated:
+                request.ws_stream.close_connection()
+        except ConnectionTerminatedException, e:
+            self.channel_events[request.channel_id].exception = e
+        except Exception, e:
+            self.channel_events[request.channel_id].exception = e
+            raise
+
+
+def _create_mock_request(connection=None, logical_channel_extensions=None):
+    if connection is None:
+        connection = _MockMuxConnection()
+
+    request = mock.MockRequest(uri='/echo',
+                               headers_in=_TEST_HEADERS,
+                               connection=connection)
+    request.ws_stream = Stream(request, options=StreamOptions())
+    request.mux_processor = MuxExtensionProcessor(
+        common.ExtensionParameter(common.MUX_EXTENSION))
+    if logical_channel_extensions is not None:
+        request.mux_processor.set_extensions(logical_channel_extensions)
+    request.mux_processor.set_quota(8 * 1024)
+    return request
+
+
+def _create_add_channel_request_frame(channel_id, encoding, encoded_handshake):
+    # Allow invalid encoding for testing.
+    first_byte = ((mux._MUX_OPCODE_ADD_CHANNEL_REQUEST << 5) | encoding)
+    payload = (chr(first_byte) +
+               mux._encode_channel_id(channel_id) +
+               mux._encode_number(len(encoded_handshake)) +
+               encoded_handshake)
+    return create_binary_frame(
+        (mux._encode_channel_id(mux._CONTROL_CHANNEL_ID) + payload), mask=True)
+
+
+def _create_drop_channel_frame(channel_id, code=None, message=''):
+    payload = mux._create_drop_channel(channel_id, code, message)
+    return create_binary_frame(
+        (mux._encode_channel_id(mux._CONTROL_CHANNEL_ID) + payload), mask=True)
+
+
+def _create_flow_control_frame(channel_id, replenished_quota):
+    payload = mux._create_flow_control(channel_id, replenished_quota)
+    return create_binary_frame(
+        (mux._encode_channel_id(mux._CONTROL_CHANNEL_ID) + payload), mask=True)
+
+
+def _create_logical_frame(channel_id, message, opcode=common.OPCODE_BINARY,
+                          fin=True, rsv1=False, rsv2=False, rsv3=False,
+                          mask=True):
+    bits = chr((fin << 7) | (rsv1 << 6) | (rsv2 << 5) | (rsv3 << 4) | opcode)
+    payload = mux._encode_channel_id(channel_id) + bits + message
+    return create_binary_frame(payload, mask=True)
+
+
+def _create_request_header(path='/echo', extensions=None):
+    headers = (
+        'GET %s HTTP/1.1\r\n'
+        'Host: server.example.com\r\n'
+        'Connection: Upgrade\r\n'
+        'Origin: http://example.com\r\n') % path
+    if extensions:
+        headers += '%s: %s' % (
+            common.SEC_WEBSOCKET_EXTENSIONS_HEADER, extensions)
+    return headers
+
+
+class MuxTest(unittest.TestCase):
+    """A unittest for mux module."""
+
+    def test_channel_id_decode(self):
+        data = '\x00\x01\xbf\xff\xdf\xff\xff\xff\xff\xff\xff'
+        parser = mux._MuxFramePayloadParser(data)
+        channel_id = parser.read_channel_id()
+        self.assertEqual(0, channel_id)
+        channel_id = parser.read_channel_id()
+        self.assertEqual(1, channel_id)
+        channel_id = parser.read_channel_id()
+        self.assertEqual(2 ** 14 - 1, channel_id)
+        channel_id = parser.read_channel_id()
+        self.assertEqual(2 ** 21 - 1, channel_id)
+        channel_id = parser.read_channel_id()
+        self.assertEqual(2 ** 29 - 1, channel_id)
+        self.assertEqual(len(data), parser._read_position)
+
+    def test_channel_id_encode(self):
+        encoded = mux._encode_channel_id(0)
+        self.assertEqual('\x00', encoded)
+        encoded = mux._encode_channel_id(2 ** 14 - 1)
+        self.assertEqual('\xbf\xff', encoded)
+        encoded = mux._encode_channel_id(2 ** 14)
+        self.assertEqual('\xc0@\x00', encoded)
+        encoded = mux._encode_channel_id(2 ** 21 - 1)
+        self.assertEqual('\xdf\xff\xff', encoded)
+        encoded = mux._encode_channel_id(2 ** 21)
+        self.assertEqual('\xe0 \x00\x00', encoded)
+        encoded = mux._encode_channel_id(2 ** 29 - 1)
+        self.assertEqual('\xff\xff\xff\xff', encoded)
+        # channel_id is too large
+        self.assertRaises(ValueError,
+                          mux._encode_channel_id,
+                          2 ** 29)
+
+    def test_read_multiple_control_blocks(self):
+        # Use AddChannelRequest because it can contain arbitrary length of data
+        data = ('\x00\x01\x01a'
+                '\x00\x02\x7d%s'
+                '\x00\x03\x7e\xff\xff%s'
+                '\x00\x04\x7f\x00\x00\x00\x00\x00\x01\x00\x00%s') % (
+            'a' * 0x7d, 'b' * 0xffff, 'c' * 0x10000)
+        parser = mux._MuxFramePayloadParser(data)
+        blocks = list(parser.read_control_blocks())
+        self.assertEqual(4, len(blocks))
+
+        self.assertEqual(mux._MUX_OPCODE_ADD_CHANNEL_REQUEST, blocks[0].opcode)
+        self.assertEqual(1, blocks[0].channel_id)
+        self.assertEqual(1, len(blocks[0].encoded_handshake))
+
+        self.assertEqual(mux._MUX_OPCODE_ADD_CHANNEL_REQUEST, blocks[1].opcode)
+        self.assertEqual(2, blocks[1].channel_id)
+        self.assertEqual(0x7d, len(blocks[1].encoded_handshake))
+
+        self.assertEqual(mux._MUX_OPCODE_ADD_CHANNEL_REQUEST, blocks[2].opcode)
+        self.assertEqual(3, blocks[2].channel_id)
+        self.assertEqual(0xffff, len(blocks[2].encoded_handshake))
+
+        self.assertEqual(mux._MUX_OPCODE_ADD_CHANNEL_REQUEST, blocks[3].opcode)
+        self.assertEqual(4, blocks[3].channel_id)
+        self.assertEqual(0x10000, len(blocks[3].encoded_handshake))
+
+        self.assertEqual(len(data), parser._read_position)
+
+    def test_read_add_channel_request(self):
+        data = '\x00\x01\x01a'
+        parser = mux._MuxFramePayloadParser(data)
+        blocks = list(parser.read_control_blocks())
+        self.assertEqual(mux._MUX_OPCODE_ADD_CHANNEL_REQUEST, blocks[0].opcode)
+        self.assertEqual(1, blocks[0].channel_id)
+        self.assertEqual(1, len(blocks[0].encoded_handshake))
+
+    def test_read_drop_channel(self):
+        data = '\x60\x01\x00'
+        parser = mux._MuxFramePayloadParser(data)
+        blocks = list(parser.read_control_blocks())
+        self.assertEqual(1, len(blocks))
+        self.assertEqual(1, blocks[0].channel_id)
+        self.assertEqual(mux._MUX_OPCODE_DROP_CHANNEL, blocks[0].opcode)
+        self.assertEqual(None, blocks[0].drop_code)
+        self.assertEqual(0, len(blocks[0].drop_message))
+
+        data = '\x60\x02\x09\x03\xe8Success'
+        parser = mux._MuxFramePayloadParser(data)
+        blocks = list(parser.read_control_blocks())
+        self.assertEqual(1, len(blocks))
+        self.assertEqual(2, blocks[0].channel_id)
+        self.assertEqual(mux._MUX_OPCODE_DROP_CHANNEL, blocks[0].opcode)
+        self.assertEqual(1000, blocks[0].drop_code)
+        self.assertEqual('Success', blocks[0].drop_message)
+
+        # Reason is too short.
+        data = '\x60\x01\x01\x00'
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(mux.PhysicalConnectionError,
+                          lambda: list(parser.read_control_blocks()))
+
+    def test_read_flow_control(self):
+        data = '\x40\x01\x02'
+        parser = mux._MuxFramePayloadParser(data)
+        blocks = list(parser.read_control_blocks())
+        self.assertEqual(1, len(blocks))
+        self.assertEqual(1, blocks[0].channel_id)
+        self.assertEqual(mux._MUX_OPCODE_FLOW_CONTROL, blocks[0].opcode)
+        self.assertEqual(2, blocks[0].send_quota)
+
+    def test_read_new_channel_slot(self):
+        data = '\x80\x01\x02\x02\x03'
+        parser = mux._MuxFramePayloadParser(data)
+        # TODO(bashi): Implement
+        self.assertRaises(mux.PhysicalConnectionError,
+                          lambda: list(parser.read_control_blocks()))
+
+    def test_read_invalid_number_field_in_control_block(self):
+        # No number field.
+        data = ''
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(ValueError, parser._read_number)
+
+        # The last two bytes are missing.
+        data = '\x7e'
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(ValueError, parser._read_number)
+
+        # Missing the last one byte.
+        data = '\x7f\x00\x00\x00\x00\x00\x01\x00'
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(ValueError, parser._read_number)
+
+        # The length of number field is too large.
+        data = '\x7f\xff\xff\xff\xff\xff\xff\xff\xff'
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(ValueError, parser._read_number)
+
+        # The msb of the first byte is set.
+        data = '\x80'
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(ValueError, parser._read_number)
+
+        # Using 3 bytes encoding for 125.
+        data = '\x7e\x00\x7d'
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(ValueError, parser._read_number)
+
+        # Using 9 bytes encoding for 0xffff
+        data = '\x7f\x00\x00\x00\x00\x00\x00\xff\xff'
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(ValueError, parser._read_number)
+
+    def test_read_invalid_size_and_contents(self):
+        # Only contain number field.
+        data = '\x01'
+        parser = mux._MuxFramePayloadParser(data)
+        self.assertRaises(mux.PhysicalConnectionError,
+                          parser._read_size_and_contents)
+
+    def test_create_add_channel_response(self):
+        data = mux._create_add_channel_response(channel_id=1,
+                                                encoded_handshake='FooBar',
+                                                encoding=0,
+                                                rejected=False)
+        self.assertEqual('\x20\x01\x06FooBar', data)
+
+        data = mux._create_add_channel_response(channel_id=2,
+                                                encoded_handshake='Hello',
+                                                encoding=1,
+                                                rejected=True)
+        self.assertEqual('\x31\x02\x05Hello', data)
+
+    def test_create_drop_channel(self):
+        data = mux._create_drop_channel(channel_id=1)
+        self.assertEqual('\x60\x01\x00', data)
+
+        data = mux._create_drop_channel(channel_id=1,
+                                        code=2000,
+                                        message='error')
+        self.assertEqual('\x60\x01\x07\x07\xd0error', data)
+
+        # reason must be empty if code is None
+        self.assertRaises(ValueError,
+                          mux._create_drop_channel,
+                          1, None, 'FooBar')
+
+    def test_parse_request_text(self):
+        request_text = _create_request_header()
+        command, path, version, headers = mux._parse_request_text(request_text)
+        self.assertEqual('GET', command)
+        self.assertEqual('/echo', path)
+        self.assertEqual('HTTP/1.1', version)
+        self.assertEqual(3, len(headers))
+        self.assertEqual('server.example.com', headers['Host'])
+        self.assertEqual('http://example.com', headers['Origin'])
+
+
+class MuxHandlerTest(unittest.TestCase):
+
+    def test_add_channel(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=3, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=3,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Hello'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=3, message='World'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=3, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual([], dispatcher.channel_events[1].messages)
+        self.assertEqual(['Hello'], dispatcher.channel_events[2].messages)
+        self.assertEqual(['World'], dispatcher.channel_events[3].messages)
+        # Channel 2
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(1, len(messages))
+        self.assertEqual('Hello', messages[0])
+        # Channel 3
+        messages = request.connection.get_written_messages(3)
+        self.assertEqual(1, len(messages))
+        self.assertEqual('World', messages[0])
+        control_blocks = request.connection.get_written_control_blocks()
+        # There should be 8 control blocks:
+        #   - 1 NewChannelSlot
+        #   - 2 AddChannelResponses for channel id 2 and 3
+        #   - 6 FlowControls for channel id 1 (initialize), 'Hello', 'World',
+        #     and 3 'Goodbye's
+        self.assertEqual(9, len(control_blocks))
+
+    def test_physical_connection_write_failure(self):
+        # Use _FailOnWriteConnection.
+        request = _create_mock_request(connection=_FailOnWriteConnection())
+
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+
+        # Let the worker echo back 'Hello'. It causes _FailOnWriteConnection
+        # raising an exception.
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Hello'))
+
+        # Let the worker exit. This will be unnecessary when
+        # _LogicalConnection.write() is changed to throw an exception if
+        # woke up by on_writer_done.
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        # All threads should be done.
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+    def test_send_blocked(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # On receiving this 'Hello', the server tries to echo back 'Hello',
+        # but it will be blocked since there's no send quota available for the
+        # channel 2.
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Hello'))
+
+        # Wait until the worker is blocked due to send quota shortage.
+        time.sleep(1)
+
+        # Close the channel 2. The worker should be notified of the end of
+        # writer thread and stop waiting for send quota to be replenished.
+        drop_channel = _create_drop_channel_frame(channel_id=2)
+
+        request.connection.put_bytes(drop_channel)
+
+        # Make sure the channel 1 is also closed.
+        drop_channel = _create_drop_channel_frame(channel_id=1)
+        request.connection.put_bytes(drop_channel)
+
+        # All threads should be done.
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+    def test_add_channel_delta_encoding(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        delta = 'GET /echo HTTP/1.1\r\n\r\n'
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=1, encoded_handshake=delta)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Hello'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual(['Hello'], dispatcher.channel_events[2].messages)
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(1, len(messages))
+        self.assertEqual('Hello', messages[0])
+
+    def test_add_channel_delta_encoding_override(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        # Override Sec-WebSocket-Protocol.
+        delta = ('GET /echo HTTP/1.1\r\n'
+                 'Sec-WebSocket-Protocol: x-foo\r\n'
+                 '\r\n')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=1, encoded_handshake=delta)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Hello'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual(['Hello'], dispatcher.channel_events[2].messages)
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(1, len(messages))
+        self.assertEqual('Hello', messages[0])
+        self.assertEqual('x-foo',
+                         dispatcher.channel_events[2].request.ws_protocol)
+
+    def test_add_channel_delta_after_identity(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+        # Sec-WebSocket-Protocol is different from client's opening handshake
+        # of the physical connection.
+        # TODO(bashi): Remove Upgrade, Connection, Sec-WebSocket-Key and
+        # Sec-WebSocket-Version.
+        encoded_handshake = (
+            'GET /echo HTTP/1.1\r\n'
+            'Host: server.example.com\r\n'
+            'Sec-WebSocket-Protocol: x-foo\r\n'
+            'Connection: Upgrade\r\n'
+            'Origin: http://example.com\r\n'
+            '\r\n')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        delta = 'GET /echo HTTP/1.1\r\n\r\n'
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=3, encoding=1, encoded_handshake=delta)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=3,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Hello'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=3, message='World'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=3, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual([], dispatcher.channel_events[1].messages)
+        self.assertEqual(['Hello'], dispatcher.channel_events[2].messages)
+        self.assertEqual(['World'], dispatcher.channel_events[3].messages)
+        # Channel 2
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(1, len(messages))
+        self.assertEqual('Hello', messages[0])
+        # Channel 3
+        messages = request.connection.get_written_messages(3)
+        self.assertEqual(1, len(messages))
+        self.assertEqual('World', messages[0])
+        # Handshake base should be updated.
+        self.assertEqual(
+            'x-foo',
+            mux_handler._handshake_base._headers['Sec-WebSocket-Protocol'])
+
+    def test_add_channel_delta_remove_header(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+        # Override handshake delta base.
+        encoded_handshake = (
+            'GET /echo HTTP/1.1\r\n'
+            'Host: server.example.com\r\n'
+            'Sec-WebSocket-Protocol: x-foo\r\n'
+            'Connection: Upgrade\r\n'
+            'Origin: http://example.com\r\n'
+            '\r\n')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        # Remove Sec-WebSocket-Protocol header.
+        delta = ('GET /echo HTTP/1.1\r\n'
+                 'Sec-WebSocket-Protocol:'
+                 '\r\n')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=3, encoding=1, encoded_handshake=delta)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=3,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Hello'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=3, message='World'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=3, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual([], dispatcher.channel_events[1].messages)
+        self.assertEqual(['Hello'], dispatcher.channel_events[2].messages)
+        self.assertEqual(['World'], dispatcher.channel_events[3].messages)
+        # Channel 2
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(1, len(messages))
+        self.assertEqual('Hello', messages[0])
+        # Channel 3
+        messages = request.connection.get_written_messages(3)
+        self.assertEqual(1, len(messages))
+        self.assertEqual('World', messages[0])
+        self.assertEqual(
+            'x-foo',
+            dispatcher.channel_events[2].request.ws_protocol)
+        self.assertEqual(
+            None,
+            dispatcher.channel_events[3].request.ws_protocol)
+
+    def test_add_channel_delta_encoding_permessage_compress(self):
+        # Enable permessage compress extension on the implicitly opened channel.
+        extensions = common.parse_extensions(
+            '%s; method=deflate' % common.PERMESSAGE_COMPRESSION_EXTENSION)
+        request = _create_mock_request(
+            logical_channel_extensions=extensions)
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        delta = 'GET /echo HTTP/1.1\r\n\r\n'
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=1, encoded_handshake=delta)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=20)
+        request.connection.put_bytes(flow_control)
+
+        # Send compressed 'Hello' on logical channel 1 and 2.
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message=compressed_hello,
+                                  rsv1=True))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message=compressed_hello,
+                                  rsv1=True))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual(['Hello'], dispatcher.channel_events[1].messages)
+        self.assertEqual(['Hello'], dispatcher.channel_events[2].messages)
+        # Written 'Hello's should be compressed.
+        messages = request.connection.get_written_messages(1)
+        self.assertEqual(1, len(messages))
+        self.assertEqual(compressed_hello, messages[0])
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(1, len(messages))
+        self.assertEqual(compressed_hello, messages[0])
+
+    def test_add_channel_delta_encoding_remove_extensions(self):
+        # Enable permessage compress extension on the implicitly opened channel.
+        extensions = common.parse_extensions(
+            '%s; method=deflate' % common.PERMESSAGE_COMPRESSION_EXTENSION)
+        request = _create_mock_request(
+            logical_channel_extensions=extensions)
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        # Remove permessage compress extension.
+        delta = ('GET /echo HTTP/1.1\r\n'
+                 'Sec-WebSocket-Extensions:\r\n'
+                 '\r\n')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=1, encoded_handshake=delta)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=20)
+        request.connection.put_bytes(flow_control)
+
+        # Send compressed message on logical channel 2. The message should
+        # be rejected (since rsv1 is set).
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('Hello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message=compressed_hello,
+                                  rsv1=True))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_NORMAL_CLOSURE, drop_channel.drop_code)
+        self.assertEqual(2, drop_channel.channel_id)
+        # UnsupportedFrameException should be raised on logical channel 2.
+        self.assertTrue(isinstance(dispatcher.channel_events[2].exception,
+                                   UnsupportedFrameException))
+
+    def test_add_channel_invalid_encoding(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=3,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_UNKNOWN_REQUEST_ENCODING,
+                         drop_channel.drop_code)
+        self.assertEqual(common.STATUS_INTERNAL_ENDPOINT_ERROR,
+                         request.connection.server_close_code)
+
+    def test_add_channel_incomplete_handshake(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        incomplete_encoded_handshake = 'GET /echo HTTP/1.1'
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=incomplete_encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertTrue(1 in dispatcher.channel_events)
+        self.assertTrue(not 2 in dispatcher.channel_events)
+
+    def test_add_channel_duplicate_channel_id(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_CHANNEL_ALREADY_EXISTS,
+                         drop_channel.drop_code)
+        self.assertEqual(common.STATUS_INTERNAL_ENDPOINT_ERROR,
+                         request.connection.server_close_code)
+
+    def test_receive_drop_channel(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        drop_channel = _create_drop_channel_frame(channel_id=2)
+        request.connection.put_bytes(drop_channel)
+
+        # Terminate implicitly opened channel.
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        exception = dispatcher.channel_events[2].exception
+        self.assertTrue(exception.__class__ == ConnectionTerminatedException)
+
+    def test_receive_ping_frame(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=13)
+        request.connection.put_bytes(flow_control)
+
+        ping_frame = _create_logical_frame(channel_id=2,
+                                           message='Hello World!',
+                                           opcode=common.OPCODE_PING)
+        request.connection.put_bytes(ping_frame)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PONG, messages[0]['opcode'])
+        self.assertEqual('Hello World!', messages[0]['message'])
+
+    def test_receive_fragmented_ping(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=13)
+        request.connection.put_bytes(flow_control)
+
+        # Send a ping with message 'Hello world!' in two fragmented frames.
+        ping_frame1 = _create_logical_frame(channel_id=2,
+                                            message='Hello ',
+                                            fin=False,
+                                            opcode=common.OPCODE_PING)
+        request.connection.put_bytes(ping_frame1)
+        ping_frame2 = _create_logical_frame(channel_id=2,
+                                            message='World!',
+                                            fin=True,
+                                            opcode=common.OPCODE_CONTINUATION)
+        request.connection.put_bytes(ping_frame2)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PONG, messages[0]['opcode'])
+        self.assertEqual('Hello World!', messages[0]['message'])
+
+    def test_receive_fragmented_ping_while_receiving_fragmented_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=19)
+        request.connection.put_bytes(flow_control)
+
+        # Send a fragmented frame of message 'Hello '.
+        hello = _create_logical_frame(channel_id=2,
+                                      message='Hello ',
+                                      fin=False)
+        request.connection.put_bytes(hello)
+
+        # Before sending the last fragmented frame of the message, send a
+        # fragmented ping.
+        ping1 = _create_logical_frame(channel_id=2,
+                                      message='Pi',
+                                      fin=False,
+                                      opcode=common.OPCODE_PING)
+        request.connection.put_bytes(ping1)
+        ping2 = _create_logical_frame(channel_id=2,
+                                      message='ng!',
+                                      fin=True,
+                                      opcode=common.OPCODE_CONTINUATION)
+        request.connection.put_bytes(ping2)
+
+        # Send the last fragmented frame of the message.
+        world = _create_logical_frame(channel_id=2,
+                                      message='World!',
+                                      fin=True,
+                                      opcode=common.OPCODE_CONTINUATION)
+        request.connection.put_bytes(world)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(['Hello World!'], messages)
+        control_messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PONG, control_messages[0]['opcode'])
+        self.assertEqual('Ping!', control_messages[0]['message'])
+
+    def test_receive_two_ping_while_receiving_fragmented_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=25)
+        request.connection.put_bytes(flow_control)
+
+        # Send a fragmented frame of message 'Hello '.
+        hello = _create_logical_frame(channel_id=2,
+                                      message='Hello ',
+                                      fin=False)
+        request.connection.put_bytes(hello)
+
+        # Before sending the last fragmented frame of the message, send a
+        # fragmented ping and a non-fragmented ping.
+        ping1 = _create_logical_frame(channel_id=2,
+                                      message='Pi',
+                                      fin=False,
+                                      opcode=common.OPCODE_PING)
+        request.connection.put_bytes(ping1)
+        ping2 = _create_logical_frame(channel_id=2,
+                                      message='ng!',
+                                      fin=True,
+                                      opcode=common.OPCODE_CONTINUATION)
+        request.connection.put_bytes(ping2)
+        ping3 = _create_logical_frame(channel_id=2,
+                                      message='Pong!',
+                                      fin=True,
+                                      opcode=common.OPCODE_PING)
+        request.connection.put_bytes(ping3)
+
+        # Send the last fragmented frame of the message.
+        world = _create_logical_frame(channel_id=2,
+                                      message='World!',
+                                      fin=True,
+                                      opcode=common.OPCODE_CONTINUATION)
+        request.connection.put_bytes(world)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(['Hello World!'], messages)
+        control_messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PONG, control_messages[0]['opcode'])
+        self.assertEqual('Ping!', control_messages[0]['message'])
+        self.assertEqual(common.OPCODE_PONG, control_messages[1]['opcode'])
+        self.assertEqual('Pong!', control_messages[1]['message'])
+
+    def test_receive_message_while_receiving_fragmented_ping(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                replenished_quota=19)
+        request.connection.put_bytes(flow_control)
+
+        # Send a fragmented ping.
+        ping1 = _create_logical_frame(channel_id=2,
+                                      message='Pi',
+                                      fin=False,
+                                      opcode=common.OPCODE_PING)
+        request.connection.put_bytes(ping1)
+
+        # Before sending the last fragmented ping, send a message.
+        # The logical channel (2) should be dropped.
+        message = _create_logical_frame(channel_id=2,
+                                        message='Hello world!',
+                                        fin=True)
+        request.connection.put_bytes(message)
+
+        # Send the last fragmented frame of the message.
+        ping2 = _create_logical_frame(channel_id=2,
+                                      message='ng!',
+                                      fin=True,
+                                      opcode=common.OPCODE_CONTINUATION)
+        request.connection.put_bytes(ping2)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(2, drop_channel.channel_id)
+        # No message should be sent on channel 2.
+        self.assertRaises(KeyError,
+                          request.connection.get_written_messages,
+                          2)
+        self.assertRaises(KeyError,
+                          request.connection.get_written_control_messages,
+                          2)
+
+    def test_send_ping(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/ping')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PING, messages[0]['opcode'])
+        self.assertEqual('Ping!', messages[0]['message'])
+
+    def test_send_fragmented_ping(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/ping')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # Replenish 3 bytes. This isn't enough to send the whole ping frame
+        # because the frame will have 5 bytes message('Ping!'). The frame
+        # should be fragmented.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=3)
+        request.connection.put_bytes(flow_control)
+
+        # Wait until the worker is blocked due to send quota shortage.
+        time.sleep(1)
+
+        # Replenish remaining 2 + 1 bytes (including extra cost).
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=3)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PING, messages[0]['opcode'])
+        self.assertEqual('Ping!', messages[0]['message'])
+
+    def test_send_fragmented_ping_while_sending_fragmented_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(
+            path='/ping_while_hello_world')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # Application will send:
+        # - text message 'Hello ' with fin=0
+        # - ping with 'Ping!' message
+        # - text message 'World!' with fin=1
+        # Replenish (6 + 1) + (2 + 1) bytes so that the ping will be
+        # fragmented on the logical channel.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=10)
+        request.connection.put_bytes(flow_control)
+
+        time.sleep(1)
+
+        # Replenish remaining 3 + 6 bytes.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=9)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(['Hello World!'], messages)
+        control_messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PING, control_messages[0]['opcode'])
+        self.assertEqual('Ping!', control_messages[0]['message'])
+
+    def test_send_fragmented_two_ping_while_sending_fragmented_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(
+            path='/two_ping_while_hello_world')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # Application will send:
+        # - text message 'Hello ' with fin=0
+        # - ping with 'Ping!' message
+        # - ping with 'Pong!' message
+        # - text message 'World!' with fin=1
+        # Replenish (6 + 1) + (2 + 1) bytes so that the first ping will be
+        # fragmented on the logical channel.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=10)
+        request.connection.put_bytes(flow_control)
+
+        time.sleep(1)
+
+        # Replenish remaining 3 + (5 + 1) + 6 bytes. The second ping won't
+        # be fragmented on the logical channel.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=15)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(['Hello World!'], messages)
+        control_messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PING, control_messages[0]['opcode'])
+        self.assertEqual('Ping!', control_messages[0]['message'])
+        self.assertEqual(common.OPCODE_PING, control_messages[1]['opcode'])
+        self.assertEqual('Pong!', control_messages[1]['message'])
+
+    def test_send_drop_channel(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+
+        # DropChannel for channel id 1 which doesn't have reason.
+        frame = create_binary_frame('\x00\x60\x01\x00', mask=True)
+        request.connection.put_bytes(frame)
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_ACKNOWLEDGED,
+                         drop_channel.drop_code)
+        self.assertEqual(1, drop_channel.channel_id)
+
+    def test_two_flow_control(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # Replenish 5 bytes.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=5)
+        request.connection.put_bytes(flow_control)
+
+        # Send 10 bytes. The server will try echo back 10 bytes.
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='HelloWorld'))
+
+        # Replenish 5 + 1 (per-message extra cost) bytes.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(['HelloWorld'], messages)
+        received_flow_controls = [
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_FLOW_CONTROL and b.channel_id == 2]
+        # Replenishment for 'HelloWorld' + 1
+        self.assertEqual(11, received_flow_controls[0].send_quota)
+        # Replenishment for 'Goodbye' + 1
+        self.assertEqual(8, received_flow_controls[1].send_quota)
+
+    def test_no_send_quota_on_server(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='HelloWorld'))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        # Just wait for 1 sec so that the server attempts to echo back
+        # 'HelloWorld'.
+        self.assertFalse(mux_handler.wait_until_done(timeout=1))
+
+        # No message should be sent on channel 2.
+        self.assertRaises(KeyError,
+                          request.connection.get_written_messages,
+                          2)
+
+    def test_no_send_quota_on_server_for_permessage_extra_cost(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Hello'))
+        # Replenish only len('World') bytes.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=5)
+        request.connection.put_bytes(flow_control)
+        # Server should not callback for this message.
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='World'))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        # Just wait for 1 sec so that the server attempts to echo back
+        # 'World'.
+        self.assertFalse(mux_handler.wait_until_done(timeout=1))
+
+        # Only one message should be sent on channel 2.
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(['Hello'], messages)
+
+    def test_quota_violation_by_client(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS, 0)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='HelloWorld'))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        control_blocks = request.connection.get_written_control_blocks()
+        self.assertEqual(5, len(control_blocks))
+        drop_channel = next(
+            b for b in control_blocks
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_SEND_QUOTA_VIOLATION,
+                         drop_channel.drop_code)
+
+    def test_consume_quota_empty_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        # Client has 1 byte quota.
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS, 1)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=2)
+        request.connection.put_bytes(flow_control)
+        # Send an empty message. Pywebsocket always replenishes 1 byte quota
+        # for empty message
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message=''))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        # This message violates quota on channel id 2.
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual(1, len(dispatcher.channel_events[2].messages))
+        self.assertEqual('', dispatcher.channel_events[2].messages[0])
+
+        received_flow_controls = [
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_FLOW_CONTROL and b.channel_id == 2]
+        self.assertEqual(1, len(received_flow_controls))
+        self.assertEqual(1, received_flow_controls[0].send_quota)
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(2, drop_channel.channel_id)
+        self.assertEqual(mux._DROP_CODE_SEND_QUOTA_VIOLATION,
+                         drop_channel.drop_code)
+
+    def test_consume_quota_fragmented_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        # Client has len('Hello') + len('Goodbye') + 2 bytes quota.
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS, 14)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='He', fin=False,
+                                  opcode=common.OPCODE_TEXT))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='llo', fin=True,
+                                  opcode=common.OPCODE_CONTINUATION))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(['Hello'], messages)
+
+    def test_fragmented_control_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/ping')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # Replenish total 6 bytes in 3 FlowControls.
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=1)
+        request.connection.put_bytes(flow_control)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=2)
+        request.connection.put_bytes(flow_control)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=3)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        messages = request.connection.get_written_control_messages(2)
+        self.assertEqual(common.OPCODE_PING, messages[0]['opcode'])
+        self.assertEqual('Ping!', messages[0]['message'])
+
+    def test_channel_slot_violation_by_client(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(slots=1,
+                                      send_quota=mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Hello'))
+
+        # This request should be rejected.
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=3, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+        flow_control = _create_flow_control_frame(channel_id=3,
+                                                  replenished_quota=6)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=3, message='Hello'))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual([], dispatcher.channel_events[1].messages)
+        self.assertEqual(['Hello'], dispatcher.channel_events[2].messages)
+        self.assertFalse(dispatcher.channel_events.has_key(3))
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(3, drop_channel.channel_id)
+        self.assertEqual(mux._DROP_CODE_NEW_CHANNEL_SLOT_VIOLATION,
+                         drop_channel.drop_code)
+
+    def test_quota_overflow_by_client(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(slots=1,
+                                      send_quota=mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+        # Replenish 0x7FFFFFFFFFFFFFFF bytes twice.
+        flow_control = _create_flow_control_frame(
+            channel_id=2,
+            replenished_quota=0x7FFFFFFFFFFFFFFF)
+        request.connection.put_bytes(flow_control)
+        request.connection.put_bytes(flow_control)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(2, drop_channel.channel_id)
+        self.assertEqual(mux._DROP_CODE_SEND_QUOTA_OVERFLOW,
+                         drop_channel.drop_code)
+
+    def test_invalid_encapsulated_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+
+        first_byte = (mux._MUX_OPCODE_ADD_CHANNEL_REQUEST << 5)
+        block = (chr(first_byte) +
+                 mux._encode_channel_id(1) +
+                 mux._encode_number(0))
+        payload = mux._encode_channel_id(mux._CONTROL_CHANNEL_ID) + block
+        text_frame = create_binary_frame(payload, opcode=common.OPCODE_TEXT,
+                                         mask=True)
+        request.connection.put_bytes(text_frame)
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_INVALID_ENCAPSULATING_MESSAGE,
+                         drop_channel.drop_code)
+        self.assertEqual(common.STATUS_INTERNAL_ENDPOINT_ERROR,
+                         request.connection.server_close_code)
+
+    def test_channel_id_truncated(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+
+        # The last byte of the channel id is missing.
+        frame = create_binary_frame('\x80', mask=True)
+        request.connection.put_bytes(frame)
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_CHANNEL_ID_TRUNCATED,
+                         drop_channel.drop_code)
+        self.assertEqual(common.STATUS_INTERNAL_ENDPOINT_ERROR,
+                         request.connection.server_close_code)
+
+    def test_inner_frame_truncated(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+
+        # Just contain channel id 1.
+        frame = create_binary_frame('\x01', mask=True)
+        request.connection.put_bytes(frame)
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_ENCAPSULATED_FRAME_IS_TRUNCATED,
+                         drop_channel.drop_code)
+        self.assertEqual(common.STATUS_INTERNAL_ENDPOINT_ERROR,
+                         request.connection.server_close_code)
+
+    def test_unknown_mux_opcode(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+
+        # Undefined opcode 5
+        frame = create_binary_frame('\x00\xa0', mask=True)
+        request.connection.put_bytes(frame)
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_UNKNOWN_MUX_OPCODE,
+                         drop_channel.drop_code)
+        self.assertEqual(common.STATUS_INTERNAL_ENDPOINT_ERROR,
+                         request.connection.server_close_code)
+
+    def test_invalid_mux_control_block(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+
+        # DropChannel contains 1 byte reason
+        frame = create_binary_frame('\x00\x60\x00\x01\x00', mask=True)
+        request.connection.put_bytes(frame)
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channel = next(
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL)
+        self.assertEqual(mux._DROP_CODE_INVALID_MUX_CONTROL_BLOCK,
+                         drop_channel.drop_code)
+        self.assertEqual(common.STATUS_INTERNAL_ENDPOINT_ERROR,
+                         request.connection.server_close_code)
+
+    def test_permessage_compress(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        # Enable permessage compress extension on logical channel 2.
+        extensions = '%s; method=deflate' % (
+            common.PERMESSAGE_COMPRESSION_EXTENSION)
+        encoded_handshake = _create_request_header(path='/echo',
+                                                   extensions=extensions)
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        flow_control = _create_flow_control_frame(channel_id=2,
+                                                  replenished_quota=20)
+        request.connection.put_bytes(flow_control)
+
+        # Send compressed 'Hello' twice.
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello1 = compress.compress('Hello')
+        compressed_hello1 += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello1 = compressed_hello1[:-4]
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message=compressed_hello1,
+                                  rsv1=True))
+        compressed_hello2 = compress.compress('Hello')
+        compressed_hello2 += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello2 = compressed_hello2[:-4]
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message=compressed_hello2,
+                                  rsv1=True))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=2, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual(['Hello', 'Hello'],
+                         dispatcher.channel_events[2].messages)
+        # Written 'Hello's should be compressed.
+        messages = request.connection.get_written_messages(2)
+        self.assertEqual(2, len(messages))
+        self.assertEqual(compressed_hello1, messages[0])
+        self.assertEqual(compressed_hello2, messages[1])
+
+
+    def test_permessage_compress_fragmented_message(self):
+        extensions = common.parse_extensions(
+            '%s; method=deflate' % common.PERMESSAGE_COMPRESSION_EXTENSION)
+        request = _create_mock_request(
+            logical_channel_extensions=extensions)
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        # Send compressed 'HelloHelloHello' as fragmented message.
+        compress = zlib.compressobj(
+            zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -zlib.MAX_WBITS)
+        compressed_hello = compress.compress('HelloHelloHello')
+        compressed_hello += compress.flush(zlib.Z_SYNC_FLUSH)
+        compressed_hello = compressed_hello[:-4]
+
+        m = len(compressed_hello) / 2
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1,
+                                  message=compressed_hello[:m],
+                                  fin=False, rsv1=True,
+                                  opcode=common.OPCODE_TEXT))
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1,
+                                  message=compressed_hello[m:],
+                                  fin=True, rsv1=False,
+                                  opcode=common.OPCODE_CONTINUATION))
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        self.assertEqual(['HelloHelloHello'],
+                         dispatcher.channel_events[1].messages)
+        messages = request.connection.get_written_messages(1)
+        self.assertEqual(1, len(messages))
+        self.assertEqual(compressed_hello, messages[0])
+
+    def test_receive_bad_fragmented_message(self):
+        request = _create_mock_request()
+        dispatcher = _MuxMockDispatcher()
+        mux_handler = mux._MuxHandler(request, dispatcher)
+        mux_handler.start()
+        mux_handler.add_channel_slots(mux._INITIAL_NUMBER_OF_CHANNEL_SLOTS,
+                                      mux._INITIAL_QUOTA_FOR_CLIENT)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=2, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # Send a frame with fin=False, and then send a frame with
+        # opcode=TEXT (not CONTINUATION). Logical channel 2 should be dropped.
+        frame1 = _create_logical_frame(channel_id=2,
+                                       message='Hello ',
+                                       fin=False,
+                                       opcode=common.OPCODE_TEXT)
+        request.connection.put_bytes(frame1)
+        frame2 = _create_logical_frame(channel_id=2,
+                                       message='World!',
+                                       fin=True,
+                                       opcode=common.OPCODE_TEXT)
+        request.connection.put_bytes(frame2)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=3, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # Send a frame with opcode=CONTINUATION without a preceding frame
+        # the fin of which is not set. Logical channel 3 should be dropped.
+        frame3 = _create_logical_frame(channel_id=3,
+                                       message='Hello',
+                                       fin=True,
+                                       opcode=common.OPCODE_CONTINUATION)
+        request.connection.put_bytes(frame3)
+
+        encoded_handshake = _create_request_header(path='/echo')
+        add_channel_request = _create_add_channel_request_frame(
+            channel_id=4, encoding=0,
+            encoded_handshake=encoded_handshake)
+        request.connection.put_bytes(add_channel_request)
+
+        # Send a frame with opcode=PING and fin=False, and then send a frame
+        # with opcode=TEXT (not CONTINUATION). Logical channel 4 should be
+        # dropped.
+        frame4 = _create_logical_frame(channel_id=4,
+                                       message='Ping',
+                                       fin=False,
+                                       opcode=common.OPCODE_PING)
+        request.connection.put_bytes(frame4)
+        frame5 = _create_logical_frame(channel_id=4,
+                                       message='Hello',
+                                       fin=True,
+                                       opcode=common.OPCODE_TEXT)
+        request.connection.put_bytes(frame5)
+
+        request.connection.put_bytes(
+            _create_logical_frame(channel_id=1, message='Goodbye'))
+
+        self.assertTrue(mux_handler.wait_until_done(timeout=2))
+
+        drop_channels = [
+            b for b in request.connection.get_written_control_blocks()
+            if b.opcode == mux._MUX_OPCODE_DROP_CHANNEL]
+        self.assertEqual(3, len(drop_channels))
+        for d in drop_channels:
+            self.assertEqual(mux._DROP_CODE_BAD_FRAGMENTATION,
+                             d.drop_code)
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_stream.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_stream.py
new file mode 100755
index 000000000..81acfeb04
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_stream.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for stream module."""
+
+
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket import common
+from mod_pywebsocket import stream
+
+
+class StreamTest(unittest.TestCase):
+    """A unittest for stream module."""
+
+    def test_create_header(self):
+        # more, rsv1, ..., rsv4 are all true
+        header = stream.create_header(common.OPCODE_TEXT, 1, 1, 1, 1, 1, 1)
+        self.assertEqual('\xf1\x81', header)
+
+        # Maximum payload size
+        header = stream.create_header(
+            common.OPCODE_TEXT, (1 << 63) - 1, 0, 0, 0, 0, 0)
+        self.assertEqual('\x01\x7f\x7f\xff\xff\xff\xff\xff\xff\xff', header)
+
+        # Invalid opcode 0x10
+        self.assertRaises(ValueError,
+                          stream.create_header,
+                          0x10, 0, 0, 0, 0, 0, 0)
+
+        # Invalid value 0xf passed to more parameter
+        self.assertRaises(ValueError,
+                          stream.create_header,
+                          common.OPCODE_TEXT, 0, 0xf, 0, 0, 0, 0)
+
+        # Too long payload_length
+        self.assertRaises(ValueError,
+                          stream.create_header,
+                          common.OPCODE_TEXT, 1 << 63, 0, 0, 0, 0, 0)
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_stream_hixie75.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_stream_hixie75.py
new file mode 100755
index 000000000..ca9ac7130
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_stream_hixie75.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for stream module."""
+
+
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket.stream import StreamHixie75
+from test.test_msgutil import _create_request_hixie75
+
+
+class StreamHixie75Test(unittest.TestCase):
+    """A unittest for StreamHixie75 class."""
+
+    def test_payload_length(self):
+        for length, bytes in ((0, '\x00'), (0x7f, '\x7f'), (0x80, '\x81\x00'),
+                              (0x1234, '\x80\xa4\x34')):
+            test_stream = StreamHixie75(_create_request_hixie75(bytes))
+            self.assertEqual(
+                length, test_stream._read_payload_length_hixie75())
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/test_util.py b/testing/web-platform/tests/tools/pywebsocket/src/test/test_util.py
new file mode 100755
index 000000000..20f4ab059
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/test_util.py
@@ -0,0 +1,200 @@
+#!/usr/bin/env python
+#
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Tests for util module."""
+
+
+import os
+import random
+import sys
+import unittest
+
+import set_sys_path  # Update sys.path to locate mod_pywebsocket module.
+
+from mod_pywebsocket import util
+
+
+_TEST_DATA_DIR = os.path.join(os.path.split(__file__)[0], 'testdata')
+
+
+class UtilTest(unittest.TestCase):
+    """A unittest for util module."""
+
+    def test_get_stack_trace(self):
+        self.assertEqual('None\n', util.get_stack_trace())
+        try:
+            a = 1 / 0  # Intentionally raise exception.
+        except Exception:
+            trace = util.get_stack_trace()
+            self.failUnless(trace.startswith('Traceback'))
+            self.failUnless(trace.find('ZeroDivisionError') != -1)
+
+    def test_prepend_message_to_exception(self):
+        exc = Exception('World')
+        self.assertEqual('World', str(exc))
+        util.prepend_message_to_exception('Hello ', exc)
+        self.assertEqual('Hello World', str(exc))
+
+    def test_get_script_interp(self):
+        cygwin_path = 'c:\\cygwin\\bin'
+        cygwin_perl = os.path.join(cygwin_path, 'perl')
+        self.assertEqual(None, util.get_script_interp(
+            os.path.join(_TEST_DATA_DIR, 'README')))
+        self.assertEqual(None, util.get_script_interp(
+            os.path.join(_TEST_DATA_DIR, 'README'), cygwin_path))
+        self.assertEqual('/usr/bin/perl -wT', util.get_script_interp(
+            os.path.join(_TEST_DATA_DIR, 'hello.pl')))
+        self.assertEqual(cygwin_perl + ' -wT', util.get_script_interp(
+            os.path.join(_TEST_DATA_DIR, 'hello.pl'), cygwin_path))
+
+    def test_hexify(self):
+        self.assertEqual('61 7a 41 5a 30 39 20 09 0d 0a 00 ff',
+                         util.hexify('azAZ09 \t\r\n\x00\xff'))
+
+
+class RepeatedXorMaskerTest(unittest.TestCase):
+    """A unittest for RepeatedXorMasker class."""
+
+    def test_mask(self):
+        # Sample input e6,97,a5 is U+65e5 in UTF-8
+        masker = util.RepeatedXorMasker('\xff\xff\xff\xff')
+        result = masker.mask('\xe6\x97\xa5')
+        self.assertEqual('\x19\x68\x5a', result)
+
+        masker = util.RepeatedXorMasker('\x00\x00\x00\x00')
+        result = masker.mask('\xe6\x97\xa5')
+        self.assertEqual('\xe6\x97\xa5', result)
+
+        masker = util.RepeatedXorMasker('\xe6\x97\xa5\x20')
+        result = masker.mask('\xe6\x97\xa5')
+        self.assertEqual('\x00\x00\x00', result)
+
+    def test_mask_twice(self):
+        masker = util.RepeatedXorMasker('\x00\x7f\xff\x20')
+        # mask[0], mask[1], ... will be used.
+        result = masker.mask('\x00\x00\x00\x00\x00')
+        self.assertEqual('\x00\x7f\xff\x20\x00', result)
+        # mask[2], mask[0], ... will be used for the next call.
+        result = masker.mask('\x00\x00\x00\x00\x00')
+        self.assertEqual('\x7f\xff\x20\x00\x7f', result)
+
+    def test_mask_large_data(self):
+        masker = util.RepeatedXorMasker('mASk')
+        original = ''.join([chr(i % 256) for i in xrange(1000)])
+        result = masker.mask(original)
+        expected = ''.join(
+                [chr((i % 256) ^ ord('mASk'[i % 4])) for i in xrange(1000)])
+        self.assertEqual(expected, result)
+
+        masker = util.RepeatedXorMasker('MaSk')
+        first_part = 'The WebSocket Protocol enables two-way communication.'
+        result = masker.mask(first_part)
+        self.assertEqual(
+                '\x19\t6K\x1a\x0418"\x028\x0e9A\x03\x19"\x15<\x08"\rs\x0e#'
+                '\x001\x07(\x12s\x1f:\x0e~\x1c,\x18s\x08"\x0c>\x1e#\x080\n9'
+                '\x08<\x05c',
+                result)
+        second_part = 'It has two parts: a handshake and the data transfer.'
+        result = masker.mask(second_part)
+        self.assertEqual(
+                "('K%\x00 K9\x16<K=\x00!\x1f>[s\nm\t2\x05)\x12;\n&\x04s\n#"
+                "\x05s\x1f%\x04s\x0f,\x152K9\x132\x05>\x076\x19c",
+                result)
+
+
+def get_random_section(source, min_num_chunks):
+    chunks = []
+    bytes_chunked = 0
+
+    while bytes_chunked < len(source):
+        chunk_size = random.randint(
+            1,
+            min(len(source) / min_num_chunks, len(source) - bytes_chunked))
+        chunk = source[bytes_chunked:bytes_chunked + chunk_size]
+        chunks.append(chunk)
+        bytes_chunked += chunk_size
+
+    return chunks
+
+
+class InflaterDeflaterTest(unittest.TestCase):
+    """A unittest for _Inflater and _Deflater class."""
+
+    def test_inflate_deflate_default(self):
+        input = b'hello' + '-' * 30000 + b'hello'
+        inflater15 = util._Inflater(15)
+        deflater15 = util._Deflater(15)
+        inflater8 = util._Inflater(8)
+        deflater8 = util._Deflater(8)
+
+        compressed15 = deflater15.compress_and_finish(input)
+        compressed8 = deflater8.compress_and_finish(input)
+
+        inflater15.append(compressed15)
+        inflater8.append(compressed8)
+
+        self.assertNotEqual(compressed15, compressed8)
+        self.assertEqual(input, inflater15.decompress(-1))
+        self.assertEqual(input, inflater8.decompress(-1))
+
+    def test_random_section(self):
+        random.seed(a=0)
+        source = ''.join(
+            [chr(random.randint(0, 255)) for i in xrange(100 * 1024)])
+
+        chunked_input = get_random_section(source, 10)
+        print "Input chunk sizes: %r" % [len(c) for c in chunked_input]
+
+        deflater = util._Deflater(15)
+        compressed = []
+        for chunk in chunked_input:
+            compressed.append(deflater.compress(chunk))
+        compressed.append(deflater.compress_and_finish(''))
+
+        chunked_expectation = get_random_section(source, 10)
+        print ("Expectation chunk sizes: %r" %
+               [len(c) for c in chunked_expectation])
+
+        inflater = util._Inflater(15)
+        inflater.append(''.join(compressed))
+        for chunk in chunked_expectation:
+            decompressed = inflater.decompress(len(chunk))
+            self.assertEqual(chunk, decompressed)
+
+        self.assertEqual('', inflater.decompress(-1))
+
+
+if __name__ == '__main__':
+    unittest.main()
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/README b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/README
new file mode 100644
index 000000000..c001aa559
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/README
@@ -0,0 +1 @@
+Test data directory
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/abort_by_user_wsh.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/abort_by_user_wsh.py
new file mode 100644
index 000000000..367f9930f
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/abort_by_user_wsh.py
@@ -0,0 +1,42 @@
+# Copyright 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+from mod_pywebsocket import handshake
+
+
+def web_socket_do_extra_handshake(request):
+    raise handshake.AbortedByUserException("abort for test")
+
+
+def web_socket_transfer_data(request):
+    raise handshake.AbortedByUserException("abort for test")
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/blank_wsh.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/blank_wsh.py
new file mode 100644
index 000000000..7f87c6af2
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/blank_wsh.py
@@ -0,0 +1,31 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+# intentionally left blank
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/origin_check_wsh.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/origin_check_wsh.py
new file mode 100644
index 000000000..2c139fa17
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/origin_check_wsh.py
@@ -0,0 +1,42 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+def web_socket_do_extra_handshake(request):
+    if request.ws_origin == 'http://example.com':
+        return
+    raise ValueError('Unacceptable origin: %r' % request.ws_origin)
+
+
+def web_socket_transfer_data(request):
+    request.connection.write('origin_check_wsh.py is called for %s, %s' %
+                             (request.ws_resource, request.ws_protocol))
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/exception_in_transfer_wsh.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/exception_in_transfer_wsh.py
new file mode 100644
index 000000000..b982d0231
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/exception_in_transfer_wsh.py
@@ -0,0 +1,44 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Exception in web_socket_transfer_data().
+"""
+
+
+def web_socket_do_extra_handshake(request):
+    pass
+
+
+def web_socket_transfer_data(request):
+    raise Exception('Intentional Exception for %s, %s' %
+                    (request.ws_resource, request.ws_protocol))
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/no_wsh_at_the_end.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/no_wsh_at_the_end.py
new file mode 100644
index 000000000..17e7be180
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/no_wsh_at_the_end.py
@@ -0,0 +1,45 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Correct signatures, wrong file name.
+"""
+
+
+def web_socket_do_extra_handshake(request):
+    pass
+
+
+def web_socket_transfer_data(request):
+    request.connection.write(
+            'sub/no_wsh_at_the_end.py is called for %s, %s' %
+            (request.ws_resource, request.ws_protocol))
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/non_callable_wsh.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/non_callable_wsh.py
new file mode 100644
index 000000000..26352eb4c
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/non_callable_wsh.py
@@ -0,0 +1,39 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Non-callable handlers.
+"""
+
+
+web_socket_do_extra_handshake = True
+web_socket_transfer_data = 1
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/plain_wsh.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/plain_wsh.py
new file mode 100644
index 000000000..db3ff6930
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/plain_wsh.py
@@ -0,0 +1,40 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+def web_socket_do_extra_handshake(request):
+    pass
+
+
+def web_socket_transfer_data(request):
+    request.connection.write('sub/plain_wsh.py is called for %s, %s' %
+                             (request.ws_resource, request.ws_protocol))
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/wrong_handshake_sig_wsh.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/wrong_handshake_sig_wsh.py
new file mode 100644
index 000000000..6bf659bc9
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/wrong_handshake_sig_wsh.py
@@ -0,0 +1,45 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Wrong web_socket_do_extra_handshake signature.
+"""
+
+
+def no_web_socket_do_extra_handshake(request):
+    pass
+
+
+def web_socket_transfer_data(request):
+    request.connection.write(
+            'sub/wrong_handshake_sig_wsh.py is called for %s, %s' %
+             (request.ws_resource, request.ws_protocol))
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/wrong_transfer_sig_wsh.py b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/wrong_transfer_sig_wsh.py
new file mode 100644
index 000000000..e0e2e5507
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/handlers/sub/wrong_transfer_sig_wsh.py
@@ -0,0 +1,45 @@
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Wrong web_socket_transfer_data() signature.
+"""
+
+
+def web_socket_do_extra_handshake(request):
+    pass
+
+
+def no_web_socket_transfer_data(request):
+    request.connection.write(
+            'sub/wrong_transfer_sig_wsh.py is called for %s, %s' %
+            (request.ws_resource, request.ws_protocol))
+
+
+# vi:sts=4 sw=4 et
diff --git a/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/hello.pl b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/hello.pl
new file mode 100644
index 000000000..882ef5a10
--- /dev/null
+++ b/testing/web-platform/tests/tools/pywebsocket/src/test/testdata/hello.pl
@@ -0,0 +1,32 @@
+#!/usr/bin/perl -wT
+#
+# Copyright 2012, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+print "Hello\n";