1 #!/usr/bin/env python 2 # 3 # Copyright 2008, Google Inc. 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions are 8 # met: 9 # 10 # * Redistributions of source code must retain the above copyright 11 # notice, this list of conditions and the following disclaimer. 12 # * Redistributions in binary form must reproduce the above 13 # copyright notice, this list of conditions and the following disclaimer 14 # in the documentation and/or other materials provided with the 15 # distribution. 16 # * Neither the name of Google Inc. nor the names of its 17 # contributors may be used to endorse or promote products derived from 18 # this software without specific prior written permission. 19 # 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 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 (at] google.com (Zhanyong Wan)' 35 36 import gtest_test_utils 37 import os 38 import sys 39 import unittest 40 41 42 COLOR_ENV_VAR = 'GTEST_COLOR' 43 COLOR_FLAG = 'gtest_color' 44 COMMAND = os.path.join(gtest_test_utils.GetBuildDir(), 45 'gtest_color_test_') 46 47 48 def SetEnvVar(env_var, value): 49 """Sets the env variable to 'value'; unsets it when 'value' is None.""" 50 51 if value is not None: 52 os.environ[env_var] = value 53 elif env_var in os.environ: 54 del os.environ[env_var] 55 56 57 def UsesColor(term, color_env_var, color_flag): 58 """Runs gtest_color_test_ and returns its exit code.""" 59 60 SetEnvVar('TERM', term) 61 SetEnvVar(COLOR_ENV_VAR, color_env_var) 62 cmd = COMMAND 63 if color_flag is not None: 64 cmd += ' --%s=%s' % (COLOR_FLAG, color_flag) 65 return gtest_test_utils.GetExitStatus(os.system(cmd)) 66 67 68 class GTestColorTest(unittest.TestCase): 69 def testNoEnvVarNoFlag(self): 70 """Tests the case when there's neither GTEST_COLOR nor --gtest_color.""" 71 72 self.assert_(not UsesColor('dumb', None, None)) 73 self.assert_(not UsesColor('emacs', None, None)) 74 self.assert_(not UsesColor('xterm-mono', None, None)) 75 self.assert_(not UsesColor('unknown', None, None)) 76 self.assert_(not UsesColor(None, None, None)) 77 self.assert_(UsesColor('cygwin', None, None)) 78 self.assert_(UsesColor('xterm', None, None)) 79 self.assert_(UsesColor('xterm-color', None, None)) 80 81 def testFlagOnly(self): 82 """Tests the case when there's --gtest_color but not GTEST_COLOR.""" 83 84 self.assert_(not UsesColor('dumb', None, 'no')) 85 self.assert_(not UsesColor('xterm-color', None, 'no')) 86 self.assert_(not UsesColor('emacs', None, 'auto')) 87 self.assert_(UsesColor('xterm', None, 'auto')) 88 self.assert_(UsesColor('dumb', None, 'yes')) 89 self.assert_(UsesColor('xterm', None, 'yes')) 90 91 def testEnvVarOnly(self): 92 """Tests the case when there's GTEST_COLOR but not --gtest_color.""" 93 94 self.assert_(not UsesColor('dumb', 'no', None)) 95 self.assert_(not UsesColor('xterm-color', 'no', None)) 96 self.assert_(not UsesColor('dumb', 'auto', None)) 97 self.assert_(UsesColor('xterm-color', 'auto', None)) 98 self.assert_(UsesColor('dumb', 'yes', None)) 99 self.assert_(UsesColor('xterm-color', 'yes', None)) 100 101 def testEnvVarAndFlag(self): 102 """Tests the case when there are both GTEST_COLOR and --gtest_color.""" 103 104 self.assert_(not UsesColor('xterm-color', 'no', 'no')) 105 self.assert_(UsesColor('dumb', 'no', 'yes')) 106 self.assert_(UsesColor('xterm-color', 'no', 'auto')) 107 108 def testAliasesOfYesAndNo(self): 109 """Tests using aliases in specifying --gtest_color.""" 110 111 self.assert_(UsesColor('dumb', None, 'true')) 112 self.assert_(UsesColor('dumb', None, 'YES')) 113 self.assert_(UsesColor('dumb', None, 'T')) 114 self.assert_(UsesColor('dumb', None, '1')) 115 116 self.assert_(not UsesColor('xterm', None, 'f')) 117 self.assert_(not UsesColor('xterm', None, 'false')) 118 self.assert_(not UsesColor('xterm', None, '0')) 119 self.assert_(not UsesColor('xterm', None, 'unknown')) 120 121 122 if __name__ == '__main__': 123 gtest_test_utils.Main() 124
