Changeset View
Changeset View
Standalone View
Standalone View
google/googletest/dist/googletest/test/gtest_help_test.py
- This file was added.
Property | Old Value | New Value |
---|---|---|
svn:eol-style | null | native \ No newline at end of property |
svn:executable | null | * \ No newline at end of property |
svn:keywords | null | FreeBSD=%H \ No newline at end of property |
svn:mime-type | null | text/plain \ No newline at end of property |
#!/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 | |||||
# 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 --help flag of Google C++ Testing and Mocking Framework. | |||||
SYNOPSIS | |||||
gtest_help_test.py --build_dir=BUILD/DIR | |||||
# where BUILD/DIR contains the built gtest_help_test_ file. | |||||
gtest_help_test.py | |||||
""" | |||||
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() |