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 34import os 35import gtest_test_utils 36 37IS_WINDOWS = os.name == 'nt' 38 39COLOR_ENV_VAR = 'GTEST_COLOR' 40COLOR_FLAG = 'gtest_color' 41COMMAND = gtest_test_utils.GetTestExecutablePath('googletest-color-test_') 42 43 44def SetEnvVar(env_var, value): 45 """Sets the env variable to 'value'; unsets it when 'value' is None.""" 46 47 if value is not None: 48 os.environ[env_var] = value 49 elif env_var in os.environ: 50 del os.environ[env_var] 51 52 53def UsesColor(term, color_env_var, color_flag): 54 """Runs googletest-color-test_ and returns its exit code.""" 55 56 SetEnvVar('TERM', term) 57 SetEnvVar(COLOR_ENV_VAR, color_env_var) 58 59 if color_flag is None: 60 args = [] 61 else: 62 args = ['--%s=%s' % (COLOR_FLAG, color_flag)] 63 p = gtest_test_utils.Subprocess([COMMAND] + args) 64 return not p.exited or p.exit_code 65 66 67class GTestColorTest(gtest_test_utils.TestCase): 68 def testNoEnvVarNoFlag(self): 69 """Tests the case when there's neither GTEST_COLOR nor --gtest_color.""" 70 71 if not IS_WINDOWS: 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('linux', None, None)) 78 self.assert_(UsesColor('cygwin', None, None)) 79 self.assert_(UsesColor('xterm', None, None)) 80 self.assert_(UsesColor('xterm-color', None, None)) 81 self.assert_(UsesColor('xterm-256color', None, None)) 82 83 def testFlagOnly(self): 84 """Tests the case when there's --gtest_color but not GTEST_COLOR.""" 85 86 self.assert_(not UsesColor('dumb', None, 'no')) 87 self.assert_(not UsesColor('xterm-color', None, 'no')) 88 if not IS_WINDOWS: 89 self.assert_(not UsesColor('emacs', None, 'auto')) 90 self.assert_(UsesColor('xterm', None, 'auto')) 91 self.assert_(UsesColor('dumb', None, 'yes')) 92 self.assert_(UsesColor('xterm', None, 'yes')) 93 94 def testEnvVarOnly(self): 95 """Tests the case when there's GTEST_COLOR but not --gtest_color.""" 96 97 self.assert_(not UsesColor('dumb', 'no', None)) 98 self.assert_(not UsesColor('xterm-color', 'no', None)) 99 if not IS_WINDOWS: 100 self.assert_(not UsesColor('dumb', 'auto', None)) 101 self.assert_(UsesColor('xterm-color', 'auto', None)) 102 self.assert_(UsesColor('dumb', 'yes', None)) 103 self.assert_(UsesColor('xterm-color', 'yes', None)) 104 105 def testEnvVarAndFlag(self): 106 """Tests the case when there are both GTEST_COLOR and --gtest_color.""" 107 108 self.assert_(not UsesColor('xterm-color', 'no', 'no')) 109 self.assert_(UsesColor('dumb', 'no', 'yes')) 110 self.assert_(UsesColor('xterm-color', 'no', 'auto')) 111 112 def testAliasesOfYesAndNo(self): 113 """Tests using aliases in specifying --gtest_color.""" 114 115 self.assert_(UsesColor('dumb', None, 'true')) 116 self.assert_(UsesColor('dumb', None, 'YES')) 117 self.assert_(UsesColor('dumb', None, 'T')) 118 self.assert_(UsesColor('dumb', None, '1')) 119 120 self.assert_(not UsesColor('xterm', None, 'f')) 121 self.assert_(not UsesColor('xterm', None, 'false')) 122 self.assert_(not UsesColor('xterm', None, '0')) 123 self.assert_(not UsesColor('xterm', None, 'unknown')) 124 125 126if __name__ == '__main__': 127 gtest_test_utils.Main() 128