Add m-esr52 at 52.6.0

1 files changed, 241 insertions, 0 deletions

diff --git a/testing/mozbase/mozcrash/tests/test.py b/testing/mozbase/mozcrash/tests/test.py
new file mode 100644
index 000000000..8f6b14f50
--- /dev/null
+++ b/testing/mozbase/mozcrash/tests/test.py
@@ -0,0 +1,241 @@
+#!/usr/bin/env python
+#
+# 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 os
+import unittest
+import subprocess
+import tempfile
+import shutil
+import urlparse
+import zipfile
+import StringIO
+import mozcrash
+import mozhttpd
+import mozlog.unstructured as mozlog
+
+# Make logs go away
+log = mozlog.getLogger("mozcrash", handler=mozlog.FileHandler(os.devnull))
+
+
+def popen_factory(stdouts):
+    """
+    Generate a class that can mock subprocess.Popen. |stdouts| is an iterable that
+    should return an iterable for the stdout of each process in turn.
+    """
+    class mock_popen(object):
+
+        def __init__(self, args, *args_rest, **kwargs):
+            self.stdout = stdouts.next()
+            self.returncode = 0
+
+        def wait(self):
+            return 0
+
+        def communicate(self):
+            return (self.stdout.next(), "")
+
+    return mock_popen
+
+
+class TestCrash(unittest.TestCase):
+
+    def setUp(self):
+        self.tempdir = tempfile.mkdtemp()
+        # a fake file to use as a stackwalk binary
+        self.stackwalk = os.path.join(self.tempdir, "stackwalk")
+        open(self.stackwalk, "w").write("fake binary")
+        self._subprocess_popen = subprocess.Popen
+        subprocess.Popen = popen_factory(self.next_mock_stdout())
+        self.stdouts = []
+
+    def tearDown(self):
+        subprocess.Popen = self._subprocess_popen
+        shutil.rmtree(self.tempdir)
+
+    def next_mock_stdout(self):
+        if not self.stdouts:
+            yield iter([])
+        for s in self.stdouts:
+            yield iter(s)
+
+    def test_nodumps(self):
+        """
+        Test that check_for_crashes returns False if no dumps are present.
+        """
+        self.stdouts.append(["this is some output"])
+        self.assertFalse(mozcrash.check_for_crashes(self.tempdir,
+                                                    symbols_path='symbols_path',
+                                                    stackwalk_binary=self.stackwalk,
+                                                    quiet=True))
+
+    def test_simple(self):
+        """
+        Test that check_for_crashes returns True if a dump is present.
+        """
+        open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
+        self.stdouts.append(["this is some output"])
+        self.assert_(mozcrash.check_for_crashes(self.tempdir,
+                                                symbols_path='symbols_path',
+                                                stackwalk_binary=self.stackwalk,
+                                                quiet=True))
+
+    def test_stackwalk_envvar(self):
+        """
+        Test that check_for_crashes uses the MINIDUMP_STACKWALK environment var.
+        """
+        open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
+        self.stdouts.append(["this is some output"])
+        os.environ['MINIDUMP_STACKWALK'] = self.stackwalk
+        self.assert_(mozcrash.check_for_crashes(self.tempdir,
+                                                symbols_path='symbols_path',
+                                                quiet=True))
+        del os.environ['MINIDUMP_STACKWALK']
+
+    def test_save_path(self):
+        """
+        Test that dump_save_path works.
+        """
+        open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
+        open(os.path.join(self.tempdir, "test.extra"), "w").write("bar")
+        save_path = os.path.join(self.tempdir, "saved")
+        os.mkdir(save_path)
+        self.stdouts.append(["this is some output"])
+        self.assert_(mozcrash.check_for_crashes(self.tempdir,
+                                                symbols_path='symbols_path',
+                                                stackwalk_binary=self.stackwalk,
+                                                dump_save_path=save_path,
+                                                quiet=True))
+        self.assert_(os.path.isfile(os.path.join(save_path, "test.dmp")))
+        self.assert_(os.path.isfile(os.path.join(save_path, "test.extra")))
+
+    def test_save_path_not_present(self):
+        """
+        Test that dump_save_path works when the directory doesn't exist.
+        """
+        open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
+        open(os.path.join(self.tempdir, "test.extra"), "w").write("bar")
+        save_path = os.path.join(self.tempdir, "saved")
+        self.stdouts.append(["this is some output"])
+        self.assert_(mozcrash.check_for_crashes(self.tempdir,
+                                                symbols_path='symbols_path',
+                                                stackwalk_binary=self.stackwalk,
+                                                dump_save_path=save_path,
+                                                quiet=True))
+        self.assert_(os.path.isfile(os.path.join(save_path, "test.dmp")))
+        self.assert_(os.path.isfile(os.path.join(save_path, "test.extra")))
+
+    def test_save_path_isfile(self):
+        """
+        Test that dump_save_path works when the directory doesn't exist,
+        but a file with the same name exists.
+        """
+        open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
+        open(os.path.join(self.tempdir, "test.extra"), "w").write("bar")
+        save_path = os.path.join(self.tempdir, "saved")
+        open(save_path, "w").write("junk")
+        self.stdouts.append(["this is some output"])
+        self.assert_(mozcrash.check_for_crashes(self.tempdir,
+                                                symbols_path='symbols_path',
+                                                stackwalk_binary=self.stackwalk,
+                                                dump_save_path=save_path,
+                                                quiet=True))
+        self.assert_(os.path.isfile(os.path.join(save_path, "test.dmp")))
+        self.assert_(os.path.isfile(os.path.join(save_path, "test.extra")))
+
+    def test_save_path_envvar(self):
+        """
+        Test that the MINDUMP_SAVE_PATH environment variable works.
+        """
+        open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
+        open(os.path.join(self.tempdir, "test.extra"), "w").write("bar")
+        save_path = os.path.join(self.tempdir, "saved")
+        os.mkdir(save_path)
+        self.stdouts.append(["this is some output"])
+        os.environ['MINIDUMP_SAVE_PATH'] = save_path
+        self.assert_(mozcrash.check_for_crashes(self.tempdir,
+                                                symbols_path='symbols_path',
+                                                stackwalk_binary=self.stackwalk,
+                                                quiet=True))
+        del os.environ['MINIDUMP_SAVE_PATH']
+        self.assert_(os.path.isfile(os.path.join(save_path, "test.dmp")))
+        self.assert_(os.path.isfile(os.path.join(save_path, "test.extra")))
+
+    def test_symbol_path_not_present(self):
+        open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
+        self.stdouts.append(["this is some output"])
+        self.assert_(mozcrash.check_for_crashes(self.tempdir,
+                                                symbols_path=None,
+                                                stackwalk_binary=self.stackwalk,
+                                                quiet=True))
+
+    def test_symbol_path_url(self):
+        """
+        Test that passing a URL as symbols_path correctly fetches the URL.
+        """
+        open(os.path.join(self.tempdir, "test.dmp"), "w").write("foo")
+        self.stdouts.append(["this is some output"])
+
+        def make_zipfile():
+            data = StringIO.StringIO()
+            z = zipfile.ZipFile(data, 'w')
+            z.writestr("symbols.txt", "abc/xyz")
+            z.close()
+            return data.getvalue()
+
+        def get_symbols(req):
+            headers = {}
+            return (200, headers, make_zipfile())
+        httpd = mozhttpd.MozHttpd(port=0,
+                                  urlhandlers=[{'method': 'GET',
+                                                'path': '/symbols',
+                                                'function': get_symbols}])
+        httpd.start()
+        symbol_url = urlparse.urlunsplit(('http', '%s:%d' % httpd.httpd.server_address,
+                                          '/symbols', '', ''))
+        self.assert_(mozcrash.check_for_crashes(self.tempdir,
+                                                symbol_url,
+                                                stackwalk_binary=self.stackwalk,
+                                                quiet=True))
+
+
+class TestJavaException(unittest.TestCase):
+
+    def setUp(self):
+        self.test_log = [
+            "01-30 20:15:41.937 E/GeckoAppShell( 1703): >>> "
+            "REPORTING UNCAUGHT EXCEPTION FROM THREAD 9 (\"GeckoBackgroundThread\")",
+            "01-30 20:15:41.937 E/GeckoAppShell( 1703): java.lang.NullPointerException",
+            "01-30 20:15:41.937 E/GeckoAppShell( 1703):"
+            "    at org.mozilla.gecko.GeckoApp$21.run(GeckoApp.java:1833)",
+            "01-30 20:15:41.937 E/GeckoAppShell( 1703):"
+            "    at android.os.Handler.handleCallback(Handler.java:587)"]
+
+    def test_uncaught_exception(self):
+        """
+        Test for an exception which should be caught
+        """
+        self.assert_(mozcrash.check_for_java_exception(self.test_log, quiet=True))
+
+    def test_truncated_exception(self):
+        """
+        Test for an exception which should be caught which
+        was truncated
+        """
+        truncated_log = list(self.test_log)
+        truncated_log[0], truncated_log[1] = truncated_log[1], truncated_log[0]
+        self.assert_(mozcrash.check_for_java_exception(truncated_log, quiet=True))
+
+    def test_unchecked_exception(self):
+        """
+        Test for an exception which should not be caught
+        """
+        passable_log = list(self.test_log)
+        passable_log[0] = "01-30 20:15:41.937 E/GeckoAppShell( 1703):" \
+                          " >>> NOT-SO-BAD EXCEPTION FROM THREAD 9 (\"GeckoBackgroundThread\")"
+        self.assert_(not mozcrash.check_for_java_exception(passable_log, quiet=True))
+
+if __name__ == '__main__':
+    unittest.main()