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