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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
import base64
import hashlib
import json
import os
import subprocess
import tempfile
import threading
import urlparse
import uuid
from collections import defaultdict
from mozprocess import ProcessHandler
from .base import (ExecutorException,
Protocol,
RefTestImplementation,
testharness_result_converter,
reftest_result_converter)
from .process import ProcessTestExecutor
from ..browsers.base import browser_command
render_arg = None
def do_delayed_imports():
global render_arg
from ..browsers.servo import render_arg
hosts_text = """127.0.0.1 web-platform.test
127.0.0.1 www.web-platform.test
127.0.0.1 www1.web-platform.test
127.0.0.1 www2.web-platform.test
127.0.0.1 xn--n8j6ds53lwwkrqhv28a.web-platform.test
127.0.0.1 xn--lve-6lad.web-platform.test
"""
def make_hosts_file():
hosts_fd, hosts_path = tempfile.mkstemp()
with os.fdopen(hosts_fd, "w") as f:
f.write(hosts_text)
return hosts_path
class ServoTestharnessExecutor(ProcessTestExecutor):
convert_result = testharness_result_converter
def __init__(self, browser, server_config, timeout_multiplier=1, debug_info=None,
pause_after_test=False):
do_delayed_imports()
ProcessTestExecutor.__init__(self, browser, server_config,
timeout_multiplier=timeout_multiplier,
debug_info=debug_info)
self.pause_after_test = pause_after_test
self.result_data = None
self.result_flag = None
self.protocol = Protocol(self, browser)
self.hosts_path = make_hosts_file()
def teardown(self):
try:
os.unlink(self.hosts_path)
except OSError:
pass
ProcessTestExecutor.teardown(self)
def do_test(self, test):
self.result_data = None
self.result_flag = threading.Event()
args = [render_arg(self.browser.render_backend), "--hard-fail", "-u", "Servo/wptrunner",
"-Z", "replace-surrogates", "-z", self.test_url(test)]
for stylesheet in self.browser.user_stylesheets:
args += ["--user-stylesheet", stylesheet]
for pref, value in test.environment.get('prefs', {}).iteritems():
args += ["--pref", "%s=%s" % (pref, value)]
args += self.browser.binary_args
debug_args, command = browser_command(self.binary, args, self.debug_info)
self.command = command
if self.pause_after_test:
self.command.remove("-z")
self.command = debug_args + self.command
env = os.environ.copy()
env["HOST_FILE"] = self.hosts_path
env["RUST_BACKTRACE"] = "1"
if not self.interactive:
self.proc = ProcessHandler(self.command,
processOutputLine=[self.on_output],
onFinish=self.on_finish,
env=env,
storeOutput=False)
self.proc.run()
else:
self.proc = subprocess.Popen(self.command, env=env)
try:
timeout = test.timeout * self.timeout_multiplier
# Now wait to get the output we expect, or until we reach the timeout
if not self.interactive and not self.pause_after_test:
wait_timeout = timeout + 5
self.result_flag.wait(wait_timeout)
else:
wait_timeout = None
self.proc.wait()
proc_is_running = True
if self.result_flag.is_set():
if self.result_data is not None:
result = self.convert_result(test, self.result_data)
else:
self.proc.wait()
result = (test.result_cls("CRASH", None), [])
proc_is_running = False
else:
result = (test.result_cls("TIMEOUT", None), [])
if proc_is_running:
if self.pause_after_test:
self.logger.info("Pausing until the browser exits")
self.proc.wait()
else:
self.proc.kill()
except KeyboardInterrupt:
self.proc.kill()
raise
return result
def on_output(self, line):
prefix = "ALERT: RESULT: "
line = line.decode("utf8", "replace")
if line.startswith(prefix):
self.result_data = json.loads(line[len(prefix):])
self.result_flag.set()
else:
if self.interactive:
print line
else:
self.logger.process_output(self.proc.pid,
line,
" ".join(self.command))
def on_finish(self):
self.result_flag.set()
class TempFilename(object):
def __init__(self, directory):
self.directory = directory
self.path = None
def __enter__(self):
self.path = os.path.join(self.directory, str(uuid.uuid4()))
return self.path
def __exit__(self, *args, **kwargs):
try:
os.unlink(self.path)
except OSError:
pass
class ServoRefTestExecutor(ProcessTestExecutor):
convert_result = reftest_result_converter
def __init__(self, browser, server_config, binary=None, timeout_multiplier=1,
screenshot_cache=None, debug_info=None, pause_after_test=False):
do_delayed_imports()
ProcessTestExecutor.__init__(self,
browser,
server_config,
timeout_multiplier=timeout_multiplier,
debug_info=debug_info)
self.protocol = Protocol(self, browser)
self.screenshot_cache = screenshot_cache
self.implementation = RefTestImplementation(self)
self.tempdir = tempfile.mkdtemp()
self.hosts_path = make_hosts_file()
def teardown(self):
try:
os.unlink(self.hosts_path)
except OSError:
pass
os.rmdir(self.tempdir)
ProcessTestExecutor.teardown(self)
def screenshot(self, test, viewport_size, dpi):
full_url = self.test_url(test)
with TempFilename(self.tempdir) as output_path:
debug_args, command = browser_command(
self.binary,
[render_arg(self.browser.render_backend), "--hard-fail", "--exit",
"-u", "Servo/wptrunner", "-Z", "disable-text-aa,load-webfonts-synchronously,replace-surrogates",
"--output=%s" % output_path, full_url],
self.debug_info)
for stylesheet in self.browser.user_stylesheets:
command += ["--user-stylesheet", stylesheet]
for pref in test.environment.get('prefs', {}):
command += ["--pref", pref]
if viewport_size:
command += ["--resolution", viewport_size]
if dpi:
command += ["--device-pixel-ratio", dpi]
self.command = debug_args + command
env = os.environ.copy()
env["HOST_FILE"] = self.hosts_path
env["RUST_BACKTRACE"] = "1"
if not self.interactive:
self.proc = ProcessHandler(self.command,
processOutputLine=[self.on_output],
env=env)
try:
self.proc.run()
timeout = test.timeout * self.timeout_multiplier + 5
rv = self.proc.wait(timeout=timeout)
except KeyboardInterrupt:
self.proc.kill()
raise
else:
self.proc = subprocess.Popen(self.command,
env=env)
try:
rv = self.proc.wait()
except KeyboardInterrupt:
self.proc.kill()
raise
if rv is None:
self.proc.kill()
return False, ("EXTERNAL-TIMEOUT", None)
if rv != 0 or not os.path.exists(output_path):
return False, ("CRASH", None)
with open(output_path) as f:
# Might need to strip variable headers or something here
data = f.read()
return True, base64.b64encode(data)
def do_test(self, test):
result = self.implementation.run_test(test)
return self.convert_result(test, result)
def on_output(self, line):
line = line.decode("utf8", "replace")
if self.interactive:
print line
else:
self.logger.process_output(self.proc.pid,
line,
" ".join(self.command))
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