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171 lines
5.6 KiB
171 lines
5.6 KiB
#!/usr/bin/env python |
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# |
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# Copyright 2009, 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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"""Tests Google Test's throw-on-failure mode with exceptions disabled. |
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This script invokes gtest_throw_on_failure_test_ (a program written with |
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Google Test) with different environments and command line flags. |
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""" |
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__author__ = 'wan@google.com (Zhanyong Wan)' |
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import os |
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import gtest_test_utils |
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# Constants. |
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# The command line flag for enabling/disabling the throw-on-failure mode. |
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THROW_ON_FAILURE = 'gtest_throw_on_failure' |
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# Path to the gtest_throw_on_failure_test_ program, compiled with |
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# exceptions disabled. |
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EXE_PATH = gtest_test_utils.GetTestExecutablePath( |
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'gtest_throw_on_failure_test_') |
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# Utilities. |
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def SetEnvVar(env_var, value): |
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"""Sets an environment variable to a given value; unsets it when the |
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given value is None. |
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""" |
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env_var = env_var.upper() |
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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 Run(command): |
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"""Runs a command; returns True/False if its exit code is/isn't 0.""" |
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print 'Running "%s". . .' % ' '.join(command) |
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p = gtest_test_utils.Subprocess(command) |
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return p.exited and p.exit_code == 0 |
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# The tests. TODO(wan@google.com): refactor the class to share common |
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# logic with code in gtest_break_on_failure_unittest.py. |
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class ThrowOnFailureTest(gtest_test_utils.TestCase): |
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"""Tests the throw-on-failure mode.""" |
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def RunAndVerify(self, env_var_value, flag_value, should_fail): |
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"""Runs gtest_throw_on_failure_test_ and verifies that it does |
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(or does not) exit with a non-zero code. |
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Args: |
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env_var_value: value of the GTEST_BREAK_ON_FAILURE environment |
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variable; None if the variable should be unset. |
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flag_value: value of the --gtest_break_on_failure flag; |
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None if the flag should not be present. |
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should_fail: True iff the program is expected to fail. |
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""" |
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SetEnvVar(THROW_ON_FAILURE, env_var_value) |
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if env_var_value is None: |
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env_var_value_msg = ' is not set' |
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else: |
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env_var_value_msg = '=' + env_var_value |
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if flag_value is None: |
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flag = '' |
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elif flag_value == '0': |
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flag = '--%s=0' % THROW_ON_FAILURE |
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else: |
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flag = '--%s' % THROW_ON_FAILURE |
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command = [EXE_PATH] |
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if flag: |
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command.append(flag) |
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if should_fail: |
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should_or_not = 'should' |
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else: |
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should_or_not = 'should not' |
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failed = not Run(command) |
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SetEnvVar(THROW_ON_FAILURE, None) |
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msg = ('when %s%s, an assertion failure in "%s" %s cause a non-zero ' |
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'exit code.' % |
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(THROW_ON_FAILURE, env_var_value_msg, ' '.join(command), |
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should_or_not)) |
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self.assert_(failed == should_fail, msg) |
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def testDefaultBehavior(self): |
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"""Tests the behavior of the default mode.""" |
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self.RunAndVerify(env_var_value=None, flag_value=None, should_fail=False) |
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def testThrowOnFailureEnvVar(self): |
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"""Tests using the GTEST_THROW_ON_FAILURE environment variable.""" |
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self.RunAndVerify(env_var_value='0', |
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flag_value=None, |
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should_fail=False) |
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self.RunAndVerify(env_var_value='1', |
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flag_value=None, |
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should_fail=True) |
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def testThrowOnFailureFlag(self): |
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"""Tests using the --gtest_throw_on_failure flag.""" |
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self.RunAndVerify(env_var_value=None, |
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flag_value='0', |
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should_fail=False) |
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self.RunAndVerify(env_var_value=None, |
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flag_value='1', |
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should_fail=True) |
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def testThrowOnFailureFlagOverridesEnvVar(self): |
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"""Tests that --gtest_throw_on_failure overrides GTEST_THROW_ON_FAILURE.""" |
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self.RunAndVerify(env_var_value='0', |
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flag_value='0', |
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should_fail=False) |
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self.RunAndVerify(env_var_value='0', |
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flag_value='1', |
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should_fail=True) |
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self.RunAndVerify(env_var_value='1', |
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flag_value='0', |
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should_fail=False) |
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self.RunAndVerify(env_var_value='1', |
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flag_value='1', |
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should_fail=True) |
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if __name__ == '__main__': |
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gtest_test_utils.Main()
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