ceph/src/s3select/rapidjson/thirdparty/gtest/googletest/test/gtest_color_test.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2008, Google Inc.
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  30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31
  32 """Verifies that Google Test correctly determines whether to use colors."""
  33
  34 __author__ = 'wan@google.com (Zhanyong Wan)'
  35
  36 import os
  37 import gtest_test_utils
  38
  39 IS_WINDOWS = os.name == 'nt'
  40
  41 COLOR_ENV_VAR = 'GTEST_COLOR'
  42 COLOR_FLAG = 'gtest_color'
  43 COMMAND = gtest_test_utils.GetTestExecutablePath('gtest_color_test_')
  44
  45
  46 def SetEnvVar(env_var, value):
  47   """Sets the env variable to 'value'; unsets it when 'value' is None."""
  48
  49   if value is not None:
  50     os.environ[env_var] = value
  51   elif env_var in os.environ:
  52     del os.environ[env_var]
  53
  54
  55 def UsesColor(term, color_env_var, color_flag):
  56   """Runs gtest_color_test_ and returns its exit code."""
  57
  58   SetEnvVar('TERM', term)
  59   SetEnvVar(COLOR_ENV_VAR, color_env_var)
  60
  61   if color_flag is None:
  62     args = []
  63   else:
  64     args = ['--%s=%s' % (COLOR_FLAG, color_flag)]
  65   p = gtest_test_utils.Subprocess([COMMAND] + args)
  66   return not p.exited or p.exit_code
  67
  68
  69 class GTestColorTest(gtest_test_utils.TestCase):
  70   def testNoEnvVarNoFlag(self):
  71     """Tests the case when there's neither GTEST_COLOR nor --gtest_color."""
  72
  73     if not IS_WINDOWS:
  74       self.assert_(not UsesColor('dumb', None, None))
  75       self.assert_(not UsesColor('emacs', None, None))
  76       self.assert_(not UsesColor('xterm-mono', None, None))
  77       self.assert_(not UsesColor('unknown', None, None))
  78       self.assert_(not UsesColor(None, None, None))
  79     self.assert_(UsesColor('linux', None, None))
  80     self.assert_(UsesColor('cygwin', None, None))
  81     self.assert_(UsesColor('xterm', None, None))
  82     self.assert_(UsesColor('xterm-color', None, None))
  83     self.assert_(UsesColor('xterm-256color', None, None))
  84
  85   def testFlagOnly(self):
  86     """Tests the case when there's --gtest_color but not GTEST_COLOR."""
  87
  88     self.assert_(not UsesColor('dumb', None, 'no'))
  89     self.assert_(not UsesColor('xterm-color', None, 'no'))
  90     if not IS_WINDOWS:
  91       self.assert_(not UsesColor('emacs', None, 'auto'))
  92     self.assert_(UsesColor('xterm', None, 'auto'))
  93     self.assert_(UsesColor('dumb', None, 'yes'))
  94     self.assert_(UsesColor('xterm', None, 'yes'))
  95
  96   def testEnvVarOnly(self):
  97     """Tests the case when there's GTEST_COLOR but not --gtest_color."""
  98
  99     self.assert_(not UsesColor('dumb', 'no', None))
 100     self.assert_(not UsesColor('xterm-color', 'no', None))
 101     if not IS_WINDOWS:
 102       self.assert_(not UsesColor('dumb', 'auto', None))
 103     self.assert_(UsesColor('xterm-color', 'auto', None))
 104     self.assert_(UsesColor('dumb', 'yes', None))
 105     self.assert_(UsesColor('xterm-color', 'yes', None))
 106
 107   def testEnvVarAndFlag(self):
 108     """Tests the case when there are both GTEST_COLOR and --gtest_color."""
 109
 110     self.assert_(not UsesColor('xterm-color', 'no', 'no'))
 111     self.assert_(UsesColor('dumb', 'no', 'yes'))
 112     self.assert_(UsesColor('xterm-color', 'no', 'auto'))
 113
 114   def testAliasesOfYesAndNo(self):
 115     """Tests using aliases in specifying --gtest_color."""
 116
 117     self.assert_(UsesColor('dumb', None, 'true'))
 118     self.assert_(UsesColor('dumb', None, 'YES'))
 119     self.assert_(UsesColor('dumb', None, 'T'))
 120     self.assert_(UsesColor('dumb', None, '1'))
 121
 122     self.assert_(not UsesColor('xterm', None, 'f'))
 123     self.assert_(not UsesColor('xterm', None, 'false'))
 124     self.assert_(not UsesColor('xterm', None, '0'))
 125     self.assert_(not UsesColor('xterm', None, 'unknown'))
 126
 127
 128 if __name__ == '__main__':
 129   gtest_test_utils.Main()