media/webrtc/trunk/testing/gtest/test/gtest_env_var_test.py

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/webrtc/trunk/testing/gtest/test/gtest_env_var_test.py	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,104 @@
     1.4 +#!/usr/bin/env python
     1.5 +#
     1.6 +# Copyright 2008, Google Inc.
     1.7 +# All rights reserved.
     1.8 +#
     1.9 +# Redistribution and use in source and binary forms, with or without
    1.10 +# modification, are permitted provided that the following conditions are
    1.11 +# met:
    1.12 +#
    1.13 +#     * Redistributions of source code must retain the above copyright
    1.14 +# notice, this list of conditions and the following disclaimer.
    1.15 +#     * Redistributions in binary form must reproduce the above
    1.16 +# copyright notice, this list of conditions and the following disclaimer
    1.17 +# in the documentation and/or other materials provided with the
    1.18 +# distribution.
    1.19 +#     * Neither the name of Google Inc. nor the names of its
    1.20 +# contributors may be used to endorse or promote products derived from
    1.21 +# this software without specific prior written permission.
    1.22 +#
    1.23 +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    1.24 +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    1.25 +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.26 +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    1.27 +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.28 +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    1.29 +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.30 +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    1.31 +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    1.32 +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    1.33 +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.34 +
    1.35 +"""Verifies that Google Test correctly parses environment variables."""
    1.36 +
    1.37 +__author__ = 'wan@google.com (Zhanyong Wan)'
    1.38 +
    1.39 +import os
    1.40 +import gtest_test_utils
    1.41 +
    1.42 +
    1.43 +IS_WINDOWS = os.name == 'nt'
    1.44 +IS_LINUX = os.name == 'posix' and os.uname()[0] == 'Linux'
    1.45 +
    1.46 +COMMAND = gtest_test_utils.GetTestExecutablePath('gtest_env_var_test_')
    1.47 +
    1.48 +environ = os.environ.copy()
    1.49 +
    1.50 +
    1.51 +def AssertEq(expected, actual):
    1.52 +  if expected != actual:
    1.53 +    print 'Expected: %s' % (expected,)
    1.54 +    print '  Actual: %s' % (actual,)
    1.55 +    raise AssertionError
    1.56 +
    1.57 +
    1.58 +def SetEnvVar(env_var, value):
    1.59 +  """Sets the env variable to 'value'; unsets it when 'value' is None."""
    1.60 +
    1.61 +  if value is not None:
    1.62 +    environ[env_var] = value
    1.63 +  elif env_var in environ:
    1.64 +    del environ[env_var]
    1.65 +
    1.66 +
    1.67 +def GetFlag(flag):
    1.68 +  """Runs gtest_env_var_test_ and returns its output."""
    1.69 +
    1.70 +  args = [COMMAND]
    1.71 +  if flag is not None:
    1.72 +    args += [flag]
    1.73 +  return gtest_test_utils.Subprocess(args, env=environ,
    1.74 +                                     capture_stderr=False).output
    1.75 +
    1.76 +
    1.77 +def TestFlag(flag, test_val, default_val):
    1.78 +  """Verifies that the given flag is affected by the corresponding env var."""
    1.79 +
    1.80 +  env_var = 'GTEST_' + flag.upper()
    1.81 +  SetEnvVar(env_var, test_val)
    1.82 +  AssertEq(test_val, GetFlag(flag))
    1.83 +  SetEnvVar(env_var, None)
    1.84 +  AssertEq(default_val, GetFlag(flag))
    1.85 +
    1.86 +
    1.87 +class GTestEnvVarTest(gtest_test_utils.TestCase):
    1.88 +  def testEnvVarAffectsFlag(self):
    1.89 +    """Tests that environment variable should affect the corresponding flag."""
    1.90 +
    1.91 +    TestFlag('break_on_failure', '1', '0')
    1.92 +    TestFlag('color', 'yes', 'auto')
    1.93 +    TestFlag('filter', 'FooTest.Bar', '*')
    1.94 +    TestFlag('output', 'xml:tmp/foo.xml', '')
    1.95 +    TestFlag('print_time', '0', '1')
    1.96 +    TestFlag('repeat', '999', '1')
    1.97 +    TestFlag('throw_on_failure', '1', '0')
    1.98 +    TestFlag('death_test_style', 'threadsafe', 'fast')
    1.99 +    TestFlag('catch_exceptions', '0', '1')
   1.100 +
   1.101 +    if IS_LINUX:
   1.102 +      TestFlag('death_test_use_fork', '1', '0')
   1.103 +      TestFlag('stack_trace_depth', '0', '100')
   1.104 +
   1.105 +
   1.106 +if __name__ == '__main__':
   1.107 +  gtest_test_utils.Main()

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