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