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-rw-r--r--testing/mozbase/mozcrash/tests/test.py241
1 files changed, 241 insertions, 0 deletions
diff --git a/testing/mozbase/mozcrash/tests/test.py b/testing/mozbase/mozcrash/tests/test.py
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+++ b/testing/mozbase/mozcrash/tests/test.py
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+#!/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()
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 13:09:35 +0000