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 os 37 import gtest_test_utils 38 39 40 IS_WINDOWS = os.name = 'nt' 41 42 COLOR_ENV_VAR = 'GTEST_COLOR' 43 COLOR_FLAG = 'gtest_color' 44 COMMAND = gtest_test_utils.GetTestExecutablePath('gtest_color_test_') 45 46 47 def SetEnvVar(env_var, value): 48 """Sets the env variable to 'value'; unsets it when 'value' is None.""" 49 50 if value is not None: 51 os.environ[env_var] = value 52 elif env_var in os.environ: 53 del os.environ[env_var] 54 55 56 def UsesColor(term, color_env_var, color_flag): 57 """Runs gtest_color_test_ and returns its exit code.""" 58 59 SetEnvVar('TERM', term) 60 SetEnvVar(COLOR_ENV_VAR, color_env_var) 61 62 if color_flag is None: 63 args = [] 64 else: 65 args = ['--%s=%s' % (COLOR_FLAG, color_flag)] 66 p = gtest_test_utils.Subprocess([COMMAND] + args) 67 return not p.exited or p.exit_code 68 69 70 class GTestColorTest(gtest_test_utils.TestCase): 71 def testNoEnvVarNoFlag(self): 72 """Tests the case when there's neither GTEST_COLOR nor --gtest_color.""" 73 74 if not IS_WINDOWS: 75 self.assert_(not UsesColor('dumb', None, None)) 76 self.assert_(not UsesColor('emacs', None, None)) 77 self.assert_(not UsesColor('xterm-mono', None, None)) 78 self.assert_(not UsesColor('unknown', None, None)) 79 self.assert_(not UsesColor(None, None, None)) 80 self.assert_(UsesColor('linux', None, None)) 81 self.assert_(UsesColor('cygwin', None, None)) 82 self.assert_(UsesColor('xterm', None, None)) 83 self.assert_(UsesColor('xterm-color', None, None)) 84 self.assert_(UsesColor('xterm-256color', None, None)) 85 86 def testFlagOnly(self): 87 """Tests the case when there's --gtest_color but not GTEST_COLOR.""" 88 89 self.assert_(not UsesColor('dumb', None, 'no')) 90 self.assert_(not UsesColor('xterm-color', None, 'no')) 91 if not IS_WINDOWS: 92 self.assert_(not UsesColor('emacs', None, 'auto')) 93 self.assert_(UsesColor('xterm', None, 'auto')) 94 self.assert_(UsesColor('dumb', None, 'yes')) 95 self.assert_(UsesColor('xterm', None, 'yes')) 96 97 def testEnvVarOnly(self): 98 """Tests the case when there's GTEST_COLOR but not --gtest_color.""" 99 100 self.assert_(not UsesColor('dumb', 'no', None)) 101 self.assert_(not UsesColor('xterm-color', 'no', None)) 102 if not IS_WINDOWS: 103 self.assert_(not UsesColor('dumb', 'auto', None)) 104 self.assert_(UsesColor('xterm-color', 'auto', None)) 105 self.assert_(UsesColor('dumb', 'yes', None)) 106 self.assert_(UsesColor('xterm-color', 'yes', None)) 107 108 def testEnvVarAndFlag(self): 109 """Tests the case when there are both GTEST_COLOR and --gtest_color.""" 110 111 self.assert_(not UsesColor('xterm-color', 'no', 'no')) 112 self.assert_(UsesColor('dumb', 'no', 'yes')) 113 self.assert_(UsesColor('xterm-color', 'no', 'auto')) 114 115 def testAliasesOfYesAndNo(self): 116 """Tests using aliases in specifying --gtest_color.""" 117 118 self.assert_(UsesColor('dumb', None, 'true')) 119 self.assert_(UsesColor('dumb', None, 'YES')) 120 self.assert_(UsesColor('dumb', None, 'T')) 121 self.assert_(UsesColor('dumb', None, '1')) 122 123 self.assert_(not UsesColor('xterm', None, 'f')) 124 self.assert_(not UsesColor('xterm', None, 'false')) 125 self.assert_(not UsesColor('xterm', None, '0')) 126 self.assert_(not UsesColor('xterm', None, 'unknown')) 127 128 129 if __name__ == '__main__': 130 gtest_test_utils.Main() 131
