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3 # Copyright 2008, Google Inc.
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7 # modification, are permitted provided that the following conditions are
10 # * Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
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13 # copyright notice, this list of conditions and the following disclaimer
14 # in the documentation and/or other materials provided with the
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17 # contributors may be used to endorse or promote products derived from
18 # this software without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 """Verifies that Google Test correctly determines whether to use colors."""
34 __author__
= 'wan@google.com (Zhanyong Wan)'
37 import gtest_test_utils
40 IS_WINDOWS
= os
.name
= 'nt'
42 COLOR_ENV_VAR
= 'GTEST_COLOR'
43 COLOR_FLAG
= 'gtest_color'
44 COMMAND
= gtest_test_utils
.GetTestExecutablePath('gtest_color_test_')
47 def SetEnvVar(env_var
, value
):
48 """Sets the env variable to 'value'; unsets it when 'value' is None."""
51 os
.environ
[env_var
] = value
52 elif env_var
in os
.environ
:
53 del os
.environ
[env_var
]
56 def UsesColor(term
, color_env_var
, color_flag
):
57 """Runs gtest_color_test_ and returns its exit code."""
59 SetEnvVar('TERM', term
)
60 SetEnvVar(COLOR_ENV_VAR
, color_env_var
)
62 if color_flag
is None:
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
70 class GTestColorTest(gtest_test_utils
.TestCase
):
71 def testNoEnvVarNoFlag(self
):
72 """Tests the case when there's neither GTEST_COLOR nor --gtest_color."""
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))
86 def testFlagOnly(self
):
87 """Tests the case when there's --gtest_color but not GTEST_COLOR."""
89 self
.assert_(not UsesColor('dumb', None, 'no'))
90 self
.assert_(not UsesColor('xterm-color', None, 'no'))
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'))
97 def testEnvVarOnly(self
):
98 """Tests the case when there's GTEST_COLOR but not --gtest_color."""
100 self
.assert_(not UsesColor('dumb', 'no', None))
101 self
.assert_(not UsesColor('xterm-color', 'no', None))
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))
108 def testEnvVarAndFlag(self
):
109 """Tests the case when there are both GTEST_COLOR and --gtest_color."""
111 self
.assert_(not UsesColor('xterm-color', 'no', 'no'))
112 self
.assert_(UsesColor('dumb', 'no', 'yes'))
113 self
.assert_(UsesColor('xterm-color', 'no', 'auto'))
115 def testAliasesOfYesAndNo(self
):
116 """Tests using aliases in specifying --gtest_color."""
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'))
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'))
129 if __name__
== '__main__':
130 gtest_test_utils
.Main()