blob: 8926a48155b2fe171bd26e494e01a33a7f2cebd2 [file] [log] [blame]
#!/usr/bin/env python
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"""Verifies that Google Test correctly determines whether to use colors."""
import os
from googletest.test import gtest_test_utils
IS_WINDOWS = os.name == 'nt'
COLOR_ENV_VAR = 'GTEST_COLOR'
COLOR_FLAG = 'gtest_color'
COMMAND = gtest_test_utils.GetTestExecutablePath('googletest-color-test_')
def SetEnvVar(env_var, value):
"""Sets the env variable to 'value'; unsets it when 'value' is None."""
if value is not None:
os.environ[env_var] = value
elif env_var in os.environ:
del os.environ[env_var]
def UsesColor(term, color_env_var, color_flag):
"""Runs googletest-color-test_ and returns its exit code."""
SetEnvVar('TERM', term)
SetEnvVar(COLOR_ENV_VAR, color_env_var)
if color_flag is None:
args = []
else:
args = ['--%s=%s' % (COLOR_FLAG, color_flag)]
p = gtest_test_utils.Subprocess([COMMAND] + args)
return not p.exited or p.exit_code
class GTestColorTest(gtest_test_utils.TestCase):
def testNoEnvVarNoFlag(self):
"""Tests the case when there's neither GTEST_COLOR nor --gtest_color."""
if not IS_WINDOWS:
self.assertTrue(not UsesColor('dumb', None, None))
self.assertTrue(not UsesColor('emacs', None, None))
self.assertTrue(not UsesColor('xterm-mono', None, None))
self.assertTrue(not UsesColor('unknown', None, None))
self.assertTrue(not UsesColor(None, None, None))
self.assertTrue(UsesColor('linux', None, None))
self.assertTrue(UsesColor('cygwin', None, None))
self.assertTrue(UsesColor('xterm', None, None))
self.assertTrue(UsesColor('xterm-color', None, None))
self.assertTrue(UsesColor('xterm-kitty', None, None))
self.assertTrue(UsesColor('xterm-256color', None, None))
def testFlagOnly(self):
"""Tests the case when there's --gtest_color but not GTEST_COLOR."""
self.assertTrue(not UsesColor('dumb', None, 'no'))
self.assertTrue(not UsesColor('xterm-color', None, 'no'))
if not IS_WINDOWS:
self.assertTrue(not UsesColor('emacs', None, 'auto'))
self.assertTrue(UsesColor('xterm', None, 'auto'))
self.assertTrue(UsesColor('dumb', None, 'yes'))
self.assertTrue(UsesColor('xterm', None, 'yes'))
def testEnvVarOnly(self):
"""Tests the case when there's GTEST_COLOR but not --gtest_color."""
self.assertTrue(not UsesColor('dumb', 'no', None))
self.assertTrue(not UsesColor('xterm-color', 'no', None))
if not IS_WINDOWS:
self.assertTrue(not UsesColor('dumb', 'auto', None))
self.assertTrue(UsesColor('xterm-color', 'auto', None))
self.assertTrue(UsesColor('dumb', 'yes', None))
self.assertTrue(UsesColor('xterm-color', 'yes', None))
def testEnvVarAndFlag(self):
"""Tests the case when there are both GTEST_COLOR and --gtest_color."""
self.assertTrue(not UsesColor('xterm-color', 'no', 'no'))
self.assertTrue(UsesColor('dumb', 'no', 'yes'))
self.assertTrue(UsesColor('xterm-color', 'no', 'auto'))
def testAliasesOfYesAndNo(self):
"""Tests using aliases in specifying --gtest_color."""
self.assertTrue(UsesColor('dumb', None, 'true'))
self.assertTrue(UsesColor('dumb', None, 'YES'))
self.assertTrue(UsesColor('dumb', None, 'T'))
self.assertTrue(UsesColor('dumb', None, '1'))
self.assertTrue(not UsesColor('xterm', None, 'f'))
self.assertTrue(not UsesColor('xterm', None, 'false'))
self.assertTrue(not UsesColor('xterm', None, '0'))
self.assertTrue(not UsesColor('xterm', None, 'unknown'))
if __name__ == '__main__':
gtest_test_utils.Main()