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Prints help when encountering unrecognized Google Test flags.

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This commit is contained in:
vladlosev
2009-10-22 01:22:29 +00:00
parent bad778caa3
commit 6bfc4b2bd3
3 changed files with 73 additions and 6 deletions
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46
test/gtest_help_test.py
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@@ -50,6 +50,11 @@ PROGRAM_PATH = gtest_test_utils.GetTestExecutablePath('gtest_help_test_')
FLAG_PREFIX = '--gtest_'
CATCH_EXCEPTIONS_FLAG = FLAG_PREFIX + 'catch_exceptions'
DEATH_TEST_STYLE_FLAG = FLAG_PREFIX + 'death_test_style'
UNKNOWN_FLAG = FLAG_PREFIX + 'unknown_flag_for_testing'
INCORRECT_FLAG_VARIANTS = [re.sub('^--', '-', DEATH_TEST_STYLE_FLAG),
re.sub('^--', '/', DEATH_TEST_STYLE_FLAG),
re.sub('_', '-', DEATH_TEST_STYLE_FLAG)]
INTERNAL_FLAG_FOR_TESTING = FLAG_PREFIX + 'internal_flag_for_testing'
# The help message must match this regex.
HELP_REGEX = re.compile(
@@ -88,8 +93,14 @@ class GTestHelpTest(gtest_test_utils.TestCase):
"""Tests the --help flag and its equivalent forms."""
def TestHelpFlag(self, flag):
"""Verifies that the right message is printed and the tests are
skipped when the given flag is specified."""
"""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)
@@ -101,6 +112,20 @@ class GTestHelpTest(gtest_test_utils.TestCase):
self.assert_(CATCH_EXCEPTIONS_FLAG not in output, output)
self.assert_(DEATH_TEST_STYLE_FLAG 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')
@@ -113,13 +138,24 @@ class GTestHelpTest(gtest_test_utils.TestCase):
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."""
exit_code, output = RunWithFlag(None)
self.assert_(exit_code != 0)
self.assert_(not HELP_REGEX.search(output), output)
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__':