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()