The Tor Browser: comparison media/webrtc/trunk/testing/gtest/test/gtest_output

--1:000000000000
+:c71dbf898960
+#!/usr/bin/env python
+#
+# Copyright 2008, 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 the text output of Google C++ Testing Framework.
+SYNOPSIS
+gtest_output_test.py --build_dir=BUILD/DIR --gengolden
+# where BUILD/DIR contains the built gtest_output_test_ file.
+gtest_output_test.py --gengolden
+gtest_output_test.py
+"""
+__author__ = 'wan@google.com (Zhanyong Wan)'
+import os
+import re
+import sys
+import gtest_test_utils
+# The flag for generating the golden file
+GENGOLDEN_FLAG = '--gengolden'
+CATCH_EXCEPTIONS_ENV_VAR_NAME = 'GTEST_CATCH_EXCEPTIONS'
+IS_WINDOWS = os.name == 'nt'
+# TODO(vladl@google.com): remove the _lin suffix.
+GOLDEN_NAME = 'gtest_output_test_golden_lin.txt'
+PROGRAM_PATH = gtest_test_utils.GetTestExecutablePath('gtest_output_test_')
+# At least one command we exercise must not have the
+# --gtest_internal_skip_environment_and_ad_hoc_tests flag.
+COMMAND_LIST_TESTS = ({}, [PROGRAM_PATH, '--gtest_list_tests'])
+COMMAND_WITH_COLOR = ({}, [PROGRAM_PATH, '--gtest_color=yes'])
+COMMAND_WITH_TIME = ({}, [PROGRAM_PATH,
+'--gtest_print_time',
+'--gtest_internal_skip_environment_and_ad_hoc_tests',
+'--gtest_filter=FatalFailureTest.*:LoggingTest.*'])
+COMMAND_WITH_DISABLED = (
+{}, [PROGRAM_PATH,
+'--gtest_also_run_disabled_tests',
+'--gtest_internal_skip_environment_and_ad_hoc_tests',
+'--gtest_filter=*DISABLED_*'])
+COMMAND_WITH_SHARDING = (
+{'GTEST_SHARD_INDEX': '1', 'GTEST_TOTAL_SHARDS': '2'},
+[PROGRAM_PATH,
+'--gtest_internal_skip_environment_and_ad_hoc_tests',
+'--gtest_filter=PassingTest.*'])
+GOLDEN_PATH = os.path.join(gtest_test_utils.GetSourceDir(), GOLDEN_NAME)
+def ToUnixLineEnding(s):
+"""Changes all Windows/Mac line endings in s to UNIX line endings."""
+return s.replace('\r\n', '\n').replace('\r', '\n')
+def RemoveLocations(test_output):
+"""Removes all file location info from a Google Test program's output.
+Args:
+test_output:  the output of a Google Test program.
+Returns:
+output with all file location info (in the form of
+'DIRECTORY/FILE_NAME:LINE_NUMBER: 'or
+'DIRECTORY\\FILE_NAME(LINE_NUMBER): ') replaced by
+'FILE_NAME:#: '.
+"""
+return re.sub(r'.*[/\\](.+)(\:\d+|\(\d+\))\: ', r'\1:#: ', test_output)
+def RemoveStackTraceDetails(output):
+"""Removes all stack traces from a Google Test program's output."""
+# *? means "find the shortest string that matches".
+return re.sub(r'Stack trace:(.|\n)*?\n\n',
+'Stack trace: (omitted)\n\n', output)
+def RemoveStackTraces(output):
+"""Removes all traces of stack traces from a Google Test program's output."""
+# *? means "find the shortest string that matches".
+return re.sub(r'Stack trace:(.|\n)*?\n\n', '', output)
+def RemoveTime(output):
+"""Removes all time information from a Google Test program's output."""
+return re.sub(r'\(\d+ ms', '(? ms', output)
+def RemoveTypeInfoDetails(test_output):
+"""Removes compiler-specific type info from Google Test program's output.
+Args:
+test_output:  the output of a Google Test program.
+Returns:
+output with type information normalized to canonical form.
+"""
+# some compilers output the name of type 'unsigned int' as 'unsigned'
+return re.sub(r'unsigned int', 'unsigned', test_output)
+def NormalizeToCurrentPlatform(test_output):
+"""Normalizes platform specific output details for easier comparison."""
+if IS_WINDOWS:
+# Removes the color information that is not present on Windows.
+test_output = re.sub('\x1b\\[(0;3\d)?m', '', test_output)
+# Changes failure message headers into the Windows format.
+test_output = re.sub(r': Failure\n', r': error: ', test_output)
+# Changes file(line_number) to file:line_number.
+test_output = re.sub(r'((\w|\.)+)\((\d+)\):', r'\1:\3:', test_output)
+return test_output
+def RemoveTestCounts(output):
+"""Removes test counts from a Google Test program's output."""
+output = re.sub(r'\d+ tests?, listed below',
+'? tests, listed below', output)
+output = re.sub(r'\d+ FAILED TESTS',
+'? FAILED TESTS', output)
+output = re.sub(r'\d+ tests? from \d+ test cases?',
+'? tests from ? test cases', output)
+output = re.sub(r'\d+ tests? from ([a-zA-Z_])',
+r'? tests from \1', output)
+return re.sub(r'\d+ tests?\.', '? tests.', output)
+def RemoveMatchingTests(test_output, pattern):
+"""Removes output of specified tests from a Google Test program's output.
+This function strips not only the beginning and the end of a test but also
+all output in between.
+Args:
+test_output:       A string containing the test output.
+pattern:           A regex string that matches names of test cases or
+tests to remove.
+Returns:
+Contents of test_output with tests whose names match pattern removed.
+"""
+test_output = re.sub(
+r'.*\[ RUN      \] .*%s(.|\n)*?\[(  FAILED  |       OK )\] .*%s.*\n' % (
+pattern, pattern),
+'',
+test_output)
+return re.sub(r'.*%s.*\n' % pattern, '', test_output)
+def NormalizeOutput(output):
+"""Normalizes output (the output of gtest_output_test_.exe)."""
+output = ToUnixLineEnding(output)
+output = RemoveLocations(output)
+output = RemoveStackTraceDetails(output)
+output = RemoveTime(output)
+return output
+def GetShellCommandOutput(env_cmd):
+"""Runs a command in a sub-process, and returns its output in a string.
+Args:
+env_cmd: The shell command. A 2-tuple where element 0 is a dict of extra
+environment variables to set, and element 1 is a string with
+the command and any flags.
+Returns:
+A string with the command's combined standard and diagnostic output.
+"""
+# Spawns cmd in a sub-process, and gets its standard I/O file objects.
+# Set and save the environment properly.
+environ = os.environ.copy()
+environ.update(env_cmd[0])
+p = gtest_test_utils.Subprocess(env_cmd[1], env=environ, capture_stderr=False)
+return p.output
+def GetCommandOutput(env_cmd):
+"""Runs a command and returns its output with all file location
+info stripped off.
+Args:
+env_cmd:  The shell command. A 2-tuple where element 0 is a dict of extra
+environment variables to set, and element 1 is a string with
+the command and any flags.
+"""
+# Disables exception pop-ups on Windows.
+environ, cmdline = env_cmd
+environ = dict(environ)  # Ensures we are modifying a copy.
+environ[CATCH_EXCEPTIONS_ENV_VAR_NAME] = '1'
+return NormalizeOutput(GetShellCommandOutput((environ, cmdline)))
+def GetOutputOfAllCommands():
+"""Returns concatenated output from several representative commands."""
+return (GetCommandOutput(COMMAND_WITH_COLOR) +
+GetCommandOutput(COMMAND_WITH_TIME) +
+GetCommandOutput(COMMAND_WITH_DISABLED) +
+GetCommandOutput(COMMAND_WITH_SHARDING))
+test_list = GetShellCommandOutput(COMMAND_LIST_TESTS)
+SUPPORTS_DEATH_TESTS = 'DeathTest' in test_list
+SUPPORTS_TYPED_TESTS = 'TypedTest' in test_list
+SUPPORTS_THREADS = 'ExpectFailureWithThreadsTest' in test_list
+SUPPORTS_STACK_TRACES = False
+CAN_GENERATE_GOLDEN_FILE = (SUPPORTS_DEATH_TESTS and
+SUPPORTS_TYPED_TESTS and
+SUPPORTS_THREADS)
+class GTestOutputTest(gtest_test_utils.TestCase):
+def RemoveUnsupportedTests(self, test_output):
+if not SUPPORTS_DEATH_TESTS:
+test_output = RemoveMatchingTests(test_output, 'DeathTest')
+if not SUPPORTS_TYPED_TESTS:
+test_output = RemoveMatchingTests(test_output, 'TypedTest')
+test_output = RemoveMatchingTests(test_output, 'TypedDeathTest')
+test_output = RemoveMatchingTests(test_output, 'TypeParamDeathTest')
+if not SUPPORTS_THREADS:
+test_output = RemoveMatchingTests(test_output,
+'ExpectFailureWithThreadsTest')
+test_output = RemoveMatchingTests(test_output,
+'ScopedFakeTestPartResultReporterTest')
+test_output = RemoveMatchingTests(test_output,
+'WorksConcurrently')
+if not SUPPORTS_STACK_TRACES:
+test_output = RemoveStackTraces(test_output)
+return test_output
+def testOutput(self):
+output = GetOutputOfAllCommands()
+golden_file = open(GOLDEN_PATH, 'rb')
+# A mis-configured source control system can cause \r appear in EOL
+# sequences when we read the golden file irrespective of an operating
+# system used. Therefore, we need to strip those \r's from newlines
+# unconditionally.
+golden = ToUnixLineEnding(golden_file.read())
+golden_file.close()
+# We want the test to pass regardless of certain features being
+# supported or not.
+# We still have to remove type name specifics in all cases.
+normalized_actual = RemoveTypeInfoDetails(output)
+normalized_golden = RemoveTypeInfoDetails(golden)
+if CAN_GENERATE_GOLDEN_FILE:
+self.assertEqual(normalized_golden, normalized_actual)
+else:
+normalized_actual = NormalizeToCurrentPlatform(
+RemoveTestCounts(normalized_actual))
+normalized_golden = NormalizeToCurrentPlatform(
+RemoveTestCounts(self.RemoveUnsupportedTests(normalized_golden)))
+# This code is very handy when debugging golden file differences:
+if os.getenv('DEBUG_GTEST_OUTPUT_TEST'):
+open(os.path.join(
+gtest_test_utils.GetSourceDir(),
+'_gtest_output_test_normalized_actual.txt'), 'wb').write(
+normalized_actual)
+open(os.path.join(
+gtest_test_utils.GetSourceDir(),
+'_gtest_output_test_normalized_golden.txt'), 'wb').write(
+normalized_golden)
+self.assertEqual(normalized_golden, normalized_actual)
+if __name__ == '__main__':
+if sys.argv[1:] == [GENGOLDEN_FLAG]:
+if CAN_GENERATE_GOLDEN_FILE:
+output = GetOutputOfAllCommands()
+golden_file = open(GOLDEN_PATH, 'wb')
+golden_file.write(output)
+golden_file.close()
+else:
+message = (
+"""Unable to write a golden file when compiled in an environment
+that does not support all the required features (death tests, typed tests,
+and multiple threads).  Please generate the golden file using a binary built
+with those features enabled.""")
+sys.stderr.write(message)
+sys.exit(1)
+else:
+gtest_test_utils.Main()

The Tor Browser / file comparison

comparison: media/webrtc/trunk/testing/gtest/test/gtest_output_test.py

media/webrtc/trunk/testing/gtest/test/gtest_output_test.py