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dynamicbitset/gtest-1.7.0/test/gtest_help_test.py
Go to file| #!/usr/bin/env python | |
| # | |
| # Copyright 2009, 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 | |
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| """Tests the --help flag of Google C++ Testing Framework. | |
| SYNOPSIS | |
| gtest_help_test.py --build_dir=BUILD/DIR | |
| # where BUILD/DIR contains the built gtest_help_test_ file. | |
| gtest_help_test.py | |
| """ | |
| __author__ = 'wan@google.com (Zhanyong Wan)' | |
| import os | |
| import re | |
| import gtest_test_utils | |
| IS_LINUX = os.name == 'posix' and os.uname()[0] == 'Linux' | |
| IS_WINDOWS = os.name == 'nt' | |
| PROGRAM_PATH = gtest_test_utils.GetTestExecutablePath('gtest_help_test_') | |
| FLAG_PREFIX = '--gtest_' | |
| DEATH_TEST_STYLE_FLAG = FLAG_PREFIX + 'death_test_style' | |
| STREAM_RESULT_TO_FLAG = FLAG_PREFIX + 'stream_result_to' | |
| UNKNOWN_FLAG = FLAG_PREFIX + 'unknown_flag_for_testing' | |
| LIST_TESTS_FLAG = FLAG_PREFIX + 'list_tests' | |
| INCORRECT_FLAG_VARIANTS = [re.sub('^--', '-', LIST_TESTS_FLAG), | |
| re.sub('^--', '/', LIST_TESTS_FLAG), | |
| re.sub('_', '-', LIST_TESTS_FLAG)] | |
| INTERNAL_FLAG_FOR_TESTING = FLAG_PREFIX + 'internal_flag_for_testing' | |
| SUPPORTS_DEATH_TESTS = "DeathTest" in gtest_test_utils.Subprocess( | |
| [PROGRAM_PATH, LIST_TESTS_FLAG]).output | |
| # The help message must match this regex. | |
| HELP_REGEX = re.compile( | |
| FLAG_PREFIX + r'list_tests.*' + | |
| FLAG_PREFIX + r'filter=.*' + | |
| FLAG_PREFIX + r'also_run_disabled_tests.*' + | |
| FLAG_PREFIX + r'repeat=.*' + | |
| FLAG_PREFIX + r'shuffle.*' + | |
| FLAG_PREFIX + r'random_seed=.*' + | |
| FLAG_PREFIX + r'color=.*' + | |
| FLAG_PREFIX + r'print_time.*' + | |
| FLAG_PREFIX + r'output=.*' + | |
| FLAG_PREFIX + r'break_on_failure.*' + | |
| FLAG_PREFIX + r'throw_on_failure.*' + | |
| FLAG_PREFIX + r'catch_exceptions=0.*', | |
| re.DOTALL) | |
| def RunWithFlag(flag): | |
| """Runs gtest_help_test_ with the given flag. | |
| Returns: | |
| the exit code and the text output as a tuple. | |
| Args: | |
| flag: the command-line flag to pass to gtest_help_test_, or None. | |
| """ | |
| if flag is None: | |
| command = [PROGRAM_PATH] | |
| else: | |
| command = [PROGRAM_PATH, flag] | |
| child = gtest_test_utils.Subprocess(command) | |
| return child.exit_code, child.output | |
| class GTestHelpTest(gtest_test_utils.TestCase): | |
| """Tests the --help flag and its equivalent forms.""" | |
| def TestHelpFlag(self, flag): | |
| """Verifies correct behavior when help flag is specified. | |
| The right message must be printed and the tests must | |
| skipped when the given flag is specified. | |
| Args: | |
| flag: A flag to pass to the binary or None. | |
| """ | |
| exit_code, output = RunWithFlag(flag) | |
| self.assertEquals(0, exit_code) | |
| self.assert_(HELP_REGEX.search(output), output) | |
| if IS_LINUX: | |
| self.assert_(STREAM_RESULT_TO_FLAG in output, output) | |
| else: | |
| self.assert_(STREAM_RESULT_TO_FLAG not in output, output) | |
| if SUPPORTS_DEATH_TESTS and not IS_WINDOWS: | |
| self.assert_(DEATH_TEST_STYLE_FLAG in output, output) | |
| else: | |
| self.assert_(DEATH_TEST_STYLE_FLAG not in output, output) | |
| def TestNonHelpFlag(self, flag): | |
| """Verifies correct behavior when no help flag is specified. | |
| Verifies that when no help flag is specified, the tests are run | |
| and the help message is not printed. | |
| Args: | |
| flag: A flag to pass to the binary or None. | |
| """ | |
| exit_code, output = RunWithFlag(flag) | |
| self.assert_(exit_code != 0) | |
| self.assert_(not HELP_REGEX.search(output), output) | |
| def testPrintsHelpWithFullFlag(self): | |
| self.TestHelpFlag('--help') | |
| def testPrintsHelpWithShortFlag(self): | |
| self.TestHelpFlag('-h') | |
| def testPrintsHelpWithQuestionFlag(self): | |
| self.TestHelpFlag('-?') | |
| def testPrintsHelpWithWindowsStyleQuestionFlag(self): | |
| self.TestHelpFlag('/?') | |
| def testPrintsHelpWithUnrecognizedGoogleTestFlag(self): | |
| self.TestHelpFlag(UNKNOWN_FLAG) | |
| def testPrintsHelpWithIncorrectFlagStyle(self): | |
| for incorrect_flag in INCORRECT_FLAG_VARIANTS: | |
| self.TestHelpFlag(incorrect_flag) | |
| def testRunsTestsWithoutHelpFlag(self): | |
| """Verifies that when no help flag is specified, the tests are run | |
| and the help message is not printed.""" | |
| self.TestNonHelpFlag(None) | |
| def testRunsTestsWithGtestInternalFlag(self): | |
| """Verifies that the tests are run and no help message is printed when | |
| a flag starting with Google Test prefix and 'internal_' is supplied.""" | |
| self.TestNonHelpFlag(INTERNAL_FLAG_FOR_TESTING) | |
| if __name__ == '__main__': | |
| gtest_test_utils.Main() |