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Diffstat (limited to 'third_party/googletest/googletest/test/gtest_test_utils.py')
| -rwxr-xr-x | third_party/googletest/googletest/test/gtest_test_utils.py | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/third_party/googletest/googletest/test/gtest_test_utils.py b/third_party/googletest/googletest/test/gtest_test_utils.py deleted file mode 100755 index d7fc099..0000000 --- a/third_party/googletest/googletest/test/gtest_test_utils.py +++ /dev/null @@ -1,318 +0,0 @@ -# Copyright 2006, 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. - -"""Unit test utilities for Google C++ Testing and Mocking Framework.""" -# Suppresses the 'Import not at the top of the file' lint complaint. -# pylint: disable-msg=C6204 - -__author__ = 'wan@google.com (Zhanyong Wan)' - -import os -import sys - -IS_LINUX = os.name == 'posix' and os.uname()[0] == 'Linux' -IS_WINDOWS = os.name == 'nt' -IS_CYGWIN = os.name == 'posix' and 'CYGWIN' in os.uname()[0] - -import atexit -import shutil -import tempfile -import unittest -_test_module = unittest - -try: - import subprocess - _SUBPROCESS_MODULE_AVAILABLE = True -except: - import popen2 - _SUBPROCESS_MODULE_AVAILABLE = False -# pylint: enable-msg=C6204 - -GTEST_OUTPUT_VAR_NAME = 'GTEST_OUTPUT' - -# The environment variable for specifying the path to the premature-exit file. -PREMATURE_EXIT_FILE_ENV_VAR = 'TEST_PREMATURE_EXIT_FILE' - -environ = os.environ.copy() - - -def SetEnvVar(env_var, value): - """Sets/unsets an environment variable to a given value.""" - - if value is not None: - environ[env_var] = value - elif env_var in environ: - del environ[env_var] - - -# Here we expose a class from a particular module, depending on the -# environment. The comment suppresses the 'Invalid variable name' lint -# complaint. -TestCase = _test_module.TestCase # pylint: disable-msg=C6409 - -# Initially maps a flag to its default value. After -# _ParseAndStripGTestFlags() is called, maps a flag to its actual value. -_flag_map = {'source_dir': os.path.dirname(sys.argv[0]), - 'build_dir': os.path.dirname(sys.argv[0])} -_gtest_flags_are_parsed = False - - -def _ParseAndStripGTestFlags(argv): - """Parses and strips Google Test flags from argv. This is idempotent.""" - - # Suppresses the lint complaint about a global variable since we need it - # here to maintain module-wide state. - global _gtest_flags_are_parsed # pylint: disable-msg=W0603 - if _gtest_flags_are_parsed: - return - - _gtest_flags_are_parsed = True - for flag in _flag_map: - # The environment variable overrides the default value. - if flag.upper() in os.environ: - _flag_map[flag] = os.environ[flag.upper()] - - # The command line flag overrides the environment variable. - i = 1 # Skips the program name. - while i < len(argv): - prefix = '--' + flag + '=' - if argv[i].startswith(prefix): - _flag_map[flag] = argv[i][len(prefix):] - del argv[i] - break - else: - # We don't increment i in case we just found a --gtest_* flag - # and removed it from argv. - i += 1 - - -def GetFlag(flag): - """Returns the value of the given flag.""" - - # In case GetFlag() is called before Main(), we always call - # _ParseAndStripGTestFlags() here to make sure the --gtest_* flags - # are parsed. - _ParseAndStripGTestFlags(sys.argv) - - return _flag_map[flag] - - -def GetSourceDir(): - """Returns the absolute path of the directory where the .py files are.""" - - return os.path.abspath(GetFlag('source_dir')) - - -def GetBuildDir(): - """Returns the absolute path of the directory where the test binaries are.""" - - return os.path.abspath(GetFlag('build_dir')) - - -_temp_dir = None - -def _RemoveTempDir(): - if _temp_dir: - shutil.rmtree(_temp_dir, ignore_errors=True) - -atexit.register(_RemoveTempDir) - - -def GetTempDir(): - global _temp_dir - if not _temp_dir: - _temp_dir = tempfile.mkdtemp() - return _temp_dir - - -def GetTestExecutablePath(executable_name, build_dir=None): - """Returns the absolute path of the test binary given its name. - - The function will print a message and abort the program if the resulting file - doesn't exist. - - Args: - executable_name: name of the test binary that the test script runs. - build_dir: directory where to look for executables, by default - the result of GetBuildDir(). - - Returns: - The absolute path of the test binary. - """ - - path = os.path.abspath(os.path.join(build_dir or GetBuildDir(), - executable_name)) - if (IS_WINDOWS or IS_CYGWIN) and not path.endswith('.exe'): - path += '.exe' - - if not os.path.exists(path): - message = ( - 'Unable to find the test binary "%s". Please make sure to provide\n' - 'a path to the binary via the --build_dir flag or the BUILD_DIR\n' - 'environment variable.' % path) - print >> sys.stderr, message - sys.exit(1) - - return path - - -def GetExitStatus(exit_code): - """Returns the argument to exit(), or -1 if exit() wasn't called. - - Args: - exit_code: the result value of os.system(command). - """ - - if os.name == 'nt': - # On Windows, os.WEXITSTATUS() doesn't work and os.system() returns - # the argument to exit() directly. - return exit_code - else: - # On Unix, os.WEXITSTATUS() must be used to extract the exit status - # from the result of os.system(). - if os.WIFEXITED(exit_code): - return os.WEXITSTATUS(exit_code) - else: - return -1 - - -class Subprocess: - def __init__(self, command, working_dir=None, capture_stderr=True, env=None): - """Changes into a specified directory, if provided, and executes a command. - - Restores the old directory afterwards. - - Args: - command: The command to run, in the form of sys.argv. - working_dir: The directory to change into. - capture_stderr: Determines whether to capture stderr in the output member - or to discard it. - env: Dictionary with environment to pass to the subprocess. - - Returns: - An object that represents outcome of the executed process. It has the - following attributes: - terminated_by_signal True iff the child process has been terminated - by a signal. - signal Sygnal that terminated the child process. - exited True iff the child process exited normally. - exit_code The code with which the child process exited. - output Child process's stdout and stderr output - combined in a string. - """ - - # The subprocess module is the preferrable way of running programs - # since it is available and behaves consistently on all platforms, - # including Windows. But it is only available starting in python 2.4. - # In earlier python versions, we revert to the popen2 module, which is - # available in python 2.0 and later but doesn't provide required - # functionality (Popen4) under Windows. This allows us to support Mac - # OS X 10.4 Tiger, which has python 2.3 installed. - if _SUBPROCESS_MODULE_AVAILABLE: - if capture_stderr: - stderr = subprocess.STDOUT - else: - stderr = subprocess.PIPE - - p = subprocess.Popen(command, - stdout=subprocess.PIPE, stderr=stderr, - cwd=working_dir, universal_newlines=True, env=env) - # communicate returns a tuple with the file object for the child's - # output. - self.output = p.communicate()[0] - self._return_code = p.returncode - else: - old_dir = os.getcwd() - - def _ReplaceEnvDict(dest, src): - # Changes made by os.environ.clear are not inheritable by child - # processes until Python 2.6. To produce inheritable changes we have - # to delete environment items with the del statement. - for key in dest.keys(): - del dest[key] - dest.update(src) - - # When 'env' is not None, backup the environment variables and replace - # them with the passed 'env'. When 'env' is None, we simply use the - # current 'os.environ' for compatibility with the subprocess.Popen - # semantics used above. - if env is not None: - old_environ = os.environ.copy() - _ReplaceEnvDict(os.environ, env) - - try: - if working_dir is not None: - os.chdir(working_dir) - if capture_stderr: - p = popen2.Popen4(command) - else: - p = popen2.Popen3(command) - p.tochild.close() - self.output = p.fromchild.read() - ret_code = p.wait() - finally: - os.chdir(old_dir) - - # Restore the old environment variables - # if they were replaced. - if env is not None: - _ReplaceEnvDict(os.environ, old_environ) - - # Converts ret_code to match the semantics of - # subprocess.Popen.returncode. - if os.WIFSIGNALED(ret_code): - self._return_code = -os.WTERMSIG(ret_code) - else: # os.WIFEXITED(ret_code) should return True here. - self._return_code = os.WEXITSTATUS(ret_code) - - if self._return_code < 0: - self.terminated_by_signal = True - self.exited = False - self.signal = -self._return_code - else: - self.terminated_by_signal = False - self.exited = True - self.exit_code = self._return_code - - -def Main(): - """Runs the unit test.""" - - # We must call _ParseAndStripGTestFlags() before calling - # unittest.main(). Otherwise the latter will be confused by the - # --gtest_* flags. - _ParseAndStripGTestFlags(sys.argv) - # The tested binaries should not be writing XML output files unless the - # script explicitly instructs them to. - # TODO(vladl@google.com): Move this into Subprocess when we implement - # passing environment into it as a parameter. - if GTEST_OUTPUT_VAR_NAME in os.environ: - del os.environ[GTEST_OUTPUT_VAR_NAME] - - _test_module.main() |