112 lines
3.6 KiB
Python
Executable File
112 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2008, Google Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Verifies that Google Test correctly parses environment variables."""
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__author__ = 'wan@google.com (Zhanyong Wan)'
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import gtest_test_utils
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import os
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import sys
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import unittest
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IS_WINDOWS = os.name == 'nt'
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IS_LINUX = os.name == 'posix'
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COMMAND = gtest_test_utils.GetTestExecutablePath('gtest_env_var_test_')
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def AssertEq(expected, actual):
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if expected != actual:
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print 'Expected: %s' % (expected,)
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print ' Actual: %s' % (actual,)
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raise AssertionError
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def SetEnvVar(env_var, value):
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"""Sets the env variable to 'value'; unsets it when 'value' is None."""
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if value is not None:
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os.environ[env_var] = value
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elif env_var in os.environ:
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del os.environ[env_var]
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def GetFlag(command, flag):
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"""Runs gtest_env_var_test_ and returns its output."""
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cmd = command
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if flag is not None:
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cmd += ' %s' % (flag,)
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stdin, stdout = os.popen2(cmd, 'b')
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stdin.close()
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line = stdout.readline()
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stdout.close()
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return line
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def TestFlag(command, flag, test_val, default_val):
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"""Verifies that the given flag is affected by the corresponding env var."""
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env_var = 'GTEST_' + flag.upper()
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SetEnvVar(env_var, test_val)
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AssertEq(test_val, GetFlag(command, flag))
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SetEnvVar(env_var, None)
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AssertEq(default_val, GetFlag(command, flag))
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def TestEnvVarAffectsFlag(command):
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"""An environment variable should affect the corresponding flag."""
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TestFlag(command, 'break_on_failure', '1', '0')
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TestFlag(command, 'color', 'yes', 'auto')
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TestFlag(command, 'filter', 'FooTest.Bar', '*')
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TestFlag(command, 'output', 'tmp/foo.xml', '')
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TestFlag(command, 'print_time', '0', '1')
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TestFlag(command, 'repeat', '999', '1')
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TestFlag(command, 'throw_on_failure', '1', '0')
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TestFlag(command, 'death_test_style', 'threadsafe', 'fast')
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if IS_WINDOWS:
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TestFlag(command, 'catch_exceptions', '1', '0')
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if IS_LINUX:
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TestFlag(command, 'stack_trace_depth', '0', '100')
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TestFlag(command, 'death_test_use_fork', '1', '0')
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class GTestEnvVarTest(unittest.TestCase):
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def testEnvVarAffectsFlag(self):
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TestEnvVarAffectsFlag(COMMAND)
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if __name__ == '__main__':
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gtest_test_utils.Main()
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