1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/webrtc/trunk/testing/gtest/test/gtest_help_test.py Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,172 @@
1.4 +#!/usr/bin/env python
1.5 +#
1.6 +# Copyright 2009, Google Inc.
1.7 +# All rights reserved.
1.8 +#
1.9 +# Redistribution and use in source and binary forms, with or without
1.10 +# modification, are permitted provided that the following conditions are
1.11 +# met:
1.12 +#
1.13 +# * Redistributions of source code must retain the above copyright
1.14 +# notice, this list of conditions and the following disclaimer.
1.15 +# * Redistributions in binary form must reproduce the above
1.16 +# copyright notice, this list of conditions and the following disclaimer
1.17 +# in the documentation and/or other materials provided with the
1.18 +# distribution.
1.19 +# * Neither the name of Google Inc. nor the names of its
1.20 +# contributors may be used to endorse or promote products derived from
1.21 +# this software without specific prior written permission.
1.22 +#
1.23 +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.25 +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.26 +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.27 +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.28 +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.29 +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.30 +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.31 +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.32 +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.33 +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.34 +
1.35 +"""Tests the --help flag of Google C++ Testing Framework.
1.36 +
1.37 +SYNOPSIS
1.38 + gtest_help_test.py --build_dir=BUILD/DIR
1.39 + # where BUILD/DIR contains the built gtest_help_test_ file.
1.40 + gtest_help_test.py
1.41 +"""
1.42 +
1.43 +__author__ = 'wan@google.com (Zhanyong Wan)'
1.44 +
1.45 +import os
1.46 +import re
1.47 +import gtest_test_utils
1.48 +
1.49 +
1.50 +IS_LINUX = os.name == 'posix' and os.uname()[0] == 'Linux'
1.51 +IS_WINDOWS = os.name == 'nt'
1.52 +
1.53 +PROGRAM_PATH = gtest_test_utils.GetTestExecutablePath('gtest_help_test_')
1.54 +FLAG_PREFIX = '--gtest_'
1.55 +DEATH_TEST_STYLE_FLAG = FLAG_PREFIX + 'death_test_style'
1.56 +STREAM_RESULT_TO_FLAG = FLAG_PREFIX + 'stream_result_to'
1.57 +UNKNOWN_FLAG = FLAG_PREFIX + 'unknown_flag_for_testing'
1.58 +LIST_TESTS_FLAG = FLAG_PREFIX + 'list_tests'
1.59 +INCORRECT_FLAG_VARIANTS = [re.sub('^--', '-', LIST_TESTS_FLAG),
1.60 + re.sub('^--', '/', LIST_TESTS_FLAG),
1.61 + re.sub('_', '-', LIST_TESTS_FLAG)]
1.62 +INTERNAL_FLAG_FOR_TESTING = FLAG_PREFIX + 'internal_flag_for_testing'
1.63 +
1.64 +SUPPORTS_DEATH_TESTS = "DeathTest" in gtest_test_utils.Subprocess(
1.65 + [PROGRAM_PATH, LIST_TESTS_FLAG]).output
1.66 +
1.67 +# The help message must match this regex.
1.68 +HELP_REGEX = re.compile(
1.69 + FLAG_PREFIX + r'list_tests.*' +
1.70 + FLAG_PREFIX + r'filter=.*' +
1.71 + FLAG_PREFIX + r'also_run_disabled_tests.*' +
1.72 + FLAG_PREFIX + r'repeat=.*' +
1.73 + FLAG_PREFIX + r'shuffle.*' +
1.74 + FLAG_PREFIX + r'random_seed=.*' +
1.75 + FLAG_PREFIX + r'color=.*' +
1.76 + FLAG_PREFIX + r'print_time.*' +
1.77 + FLAG_PREFIX + r'output=.*' +
1.78 + FLAG_PREFIX + r'break_on_failure.*' +
1.79 + FLAG_PREFIX + r'throw_on_failure.*' +
1.80 + FLAG_PREFIX + r'catch_exceptions=0.*',
1.81 + re.DOTALL)
1.82 +
1.83 +
1.84 +def RunWithFlag(flag):
1.85 + """Runs gtest_help_test_ with the given flag.
1.86 +
1.87 + Returns:
1.88 + the exit code and the text output as a tuple.
1.89 + Args:
1.90 + flag: the command-line flag to pass to gtest_help_test_, or None.
1.91 + """
1.92 +
1.93 + if flag is None:
1.94 + command = [PROGRAM_PATH]
1.95 + else:
1.96 + command = [PROGRAM_PATH, flag]
1.97 + child = gtest_test_utils.Subprocess(command)
1.98 + return child.exit_code, child.output
1.99 +
1.100 +
1.101 +class GTestHelpTest(gtest_test_utils.TestCase):
1.102 + """Tests the --help flag and its equivalent forms."""
1.103 +
1.104 + def TestHelpFlag(self, flag):
1.105 + """Verifies correct behavior when help flag is specified.
1.106 +
1.107 + The right message must be printed and the tests must
1.108 + skipped when the given flag is specified.
1.109 +
1.110 + Args:
1.111 + flag: A flag to pass to the binary or None.
1.112 + """
1.113 +
1.114 + exit_code, output = RunWithFlag(flag)
1.115 + self.assertEquals(0, exit_code)
1.116 + self.assert_(HELP_REGEX.search(output), output)
1.117 +
1.118 + if IS_LINUX:
1.119 + self.assert_(STREAM_RESULT_TO_FLAG in output, output)
1.120 + else:
1.121 + self.assert_(STREAM_RESULT_TO_FLAG not in output, output)
1.122 +
1.123 + if SUPPORTS_DEATH_TESTS and not IS_WINDOWS:
1.124 + self.assert_(DEATH_TEST_STYLE_FLAG in output, output)
1.125 + else:
1.126 + self.assert_(DEATH_TEST_STYLE_FLAG not in output, output)
1.127 +
1.128 + def TestNonHelpFlag(self, flag):
1.129 + """Verifies correct behavior when no help flag is specified.
1.130 +
1.131 + Verifies that when no help flag is specified, the tests are run
1.132 + and the help message is not printed.
1.133 +
1.134 + Args:
1.135 + flag: A flag to pass to the binary or None.
1.136 + """
1.137 +
1.138 + exit_code, output = RunWithFlag(flag)
1.139 + self.assert_(exit_code != 0)
1.140 + self.assert_(not HELP_REGEX.search(output), output)
1.141 +
1.142 + def testPrintsHelpWithFullFlag(self):
1.143 + self.TestHelpFlag('--help')
1.144 +
1.145 + def testPrintsHelpWithShortFlag(self):
1.146 + self.TestHelpFlag('-h')
1.147 +
1.148 + def testPrintsHelpWithQuestionFlag(self):
1.149 + self.TestHelpFlag('-?')
1.150 +
1.151 + def testPrintsHelpWithWindowsStyleQuestionFlag(self):
1.152 + self.TestHelpFlag('/?')
1.153 +
1.154 + def testPrintsHelpWithUnrecognizedGoogleTestFlag(self):
1.155 + self.TestHelpFlag(UNKNOWN_FLAG)
1.156 +
1.157 + def testPrintsHelpWithIncorrectFlagStyle(self):
1.158 + for incorrect_flag in INCORRECT_FLAG_VARIANTS:
1.159 + self.TestHelpFlag(incorrect_flag)
1.160 +
1.161 + def testRunsTestsWithoutHelpFlag(self):
1.162 + """Verifies that when no help flag is specified, the tests are run
1.163 + and the help message is not printed."""
1.164 +
1.165 + self.TestNonHelpFlag(None)
1.166 +
1.167 + def testRunsTestsWithGtestInternalFlag(self):
1.168 + """Verifies that the tests are run and no help message is printed when
1.169 + a flag starting with Google Test prefix and 'internal_' is supplied."""
1.170 +
1.171 + self.TestNonHelpFlag(INTERNAL_FLAG_FOR_TESTING)
1.172 +
1.173 +
1.174 +if __name__ == '__main__':
1.175 + gtest_test_utils.Main()
