libvpx: Pull from upstream

source/libvpx/third_party/googletest/src/test/gtest_test_utils.py

Index: source/libvpx/third_party/googletest/src/test/gtest_test_utils.py
===================================================================
--- source/libvpx/third_party/googletest/src/test/gtest_test_utils.py	(revision 232233)
+++ source/libvpx/third_party/googletest/src/test/gtest_test_utils.py	(working copy)
@@ -1,305 +0,0 @@
-#!/usr/bin/env python
-#
-# 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 Framework."""
-
-__author__ = 'wan@google.com (Zhanyong Wan)'
-
-import atexit
-import os
-import shutil
-import sys
-import tempfile
-import unittest
-_test_module = unittest
-
-# Suppresses the 'Import not at the top of the file' lint complaint.
-# pylint: disable-msg=C6204
-try:
-  import subprocess
-  _SUBPROCESS_MODULE_AVAILABLE = True
-except:
-  import popen2
-  _SUBPROCESS_MODULE_AVAILABLE = False
-# pylint: enable-msg=C6204
-
-GTEST_OUTPUT_VAR_NAME = 'GTEST_OUTPUT'
-
-IS_WINDOWS = os.name == 'nt'
-IS_CYGWIN = os.name == 'posix' and 'CYGWIN' in os.uname()[0]
-
-# 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():
-  """Returns a directory for temporary files."""
-
-  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. Please make sure to provide path\n'
-        'to the binary via the --build_dir flag or the BUILD_DIR\n'
-        'environment variable.')
-    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 obect 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:
-          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()