131 lines
4.2 KiB
Python
Executable File
131 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2009, Google Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Tests the --help flag of Google C++ Testing Framework.
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SYNOPSIS
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gtest_help_test.py --gtest_build_dir=BUILD/DIR
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# where BUILD/DIR contains the built gtest_help_test_ file.
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gtest_help_test.py
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"""
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__author__ = 'wan@google.com (Zhanyong Wan)'
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import gtest_test_utils
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import os
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import re
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import unittest
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IS_WINDOWS = os.name == 'nt'
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if IS_WINDOWS:
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PROGRAM = 'gtest_help_test_.exe'
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else:
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PROGRAM = 'gtest_help_test_'
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PROGRAM_PATH = os.path.join(gtest_test_utils.GetBuildDir(), PROGRAM)
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FLAG_PREFIX = '--gtest_'
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CATCH_EXCEPTIONS_FLAG = FLAG_PREFIX + 'catch_exceptions'
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DEATH_TEST_STYLE_FLAG = FLAG_PREFIX + 'death_test_style'
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# The help message must match this regex.
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HELP_REGEX = re.compile(
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FLAG_PREFIX + r'list_tests.*' +
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FLAG_PREFIX + r'filter=.*' +
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FLAG_PREFIX + r'also_run_disabled_tests.*' +
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FLAG_PREFIX + r'repeat=.*' +
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FLAG_PREFIX + r'color=.*' +
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FLAG_PREFIX + r'print_time.*' +
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FLAG_PREFIX + r'output=.*' +
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FLAG_PREFIX + r'break_on_failure.*' +
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FLAG_PREFIX + r'throw_on_failure.*',
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re.DOTALL)
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def RunWithFlag(flag):
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"""Runs gtest_help_test_ with the given flag.
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Returns:
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the exit code and the text output as a tuple.
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Args:
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flag: the command-line flag to pass to gtest_help_test_, or None.
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"""
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if flag is None:
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command = [PROGRAM_PATH]
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else:
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command = [PROGRAM_PATH, flag]
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child = gtest_test_utils.Subprocess(command)
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return child.exit_code, child.output
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class GTestHelpTest(unittest.TestCase):
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"""Tests the --help flag and its equivalent forms."""
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def TestHelpFlag(self, flag):
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"""Verifies that the right message is printed and the tests are
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skipped when the given flag is specified."""
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exit_code, output = RunWithFlag(flag)
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self.assertEquals(0, exit_code)
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self.assert_(HELP_REGEX.search(output), output)
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if IS_WINDOWS:
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self.assert_(CATCH_EXCEPTIONS_FLAG in output, output)
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self.assert_(DEATH_TEST_STYLE_FLAG not in output, output)
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else:
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self.assert_(CATCH_EXCEPTIONS_FLAG not in output, output)
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self.assert_(DEATH_TEST_STYLE_FLAG in output, output)
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def testPrintsHelpWithFullFlag(self):
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self.TestHelpFlag('--help')
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def testPrintsHelpWithShortFlag(self):
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self.TestHelpFlag('-h')
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def testPrintsHelpWithQuestionFlag(self):
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self.TestHelpFlag('-?')
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def testPrintsHelpWithWindowsStyleQuestionFlag(self):
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self.TestHelpFlag('/?')
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def testRunsTestsWithoutHelpFlag(self):
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"""Verifies that when no help flag is specified, the tests are run
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and the help message is not printed."""
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exit_code, output = RunWithFlag(None)
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self.assert_(exit_code != 0)
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self.assert_(not HELP_REGEX.search(output), output)
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if __name__ == '__main__':
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gtest_test_utils.Main()
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