gmock_test_utils.py

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#!/usr/bin/env python
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"""Unit test utilities for Google C++ Mocking Framework."""

__author__ = 'wan@google.com (Zhanyong Wan)'

import os
import sys


# Determines path to gtest_test_utils and imports it.
SCRIPT_DIR = os.path.dirname(__file__) or '.'

# isdir resolves symbolic links.
gtest_tests_util_dir = os.path.join(SCRIPT_DIR, '../gtest/test')
if os.path.isdir(gtest_tests_util_dir):
  GTEST_TESTS_UTIL_DIR = gtest_tests_util_dir
else:
  GTEST_TESTS_UTIL_DIR = os.path.join(SCRIPT_DIR, '../../gtest/test')

sys.path.append(GTEST_TESTS_UTIL_DIR)
import gtest_test_utils  # pylint: disable-msg=C6204


def GetSourceDir():
  """Returns the absolute path of the directory where the .py files are."""

  return gtest_test_utils.GetSourceDir()


def GetTestExecutablePath(executable_name):
  """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.

  Returns:
    The absolute path of the test binary.
  """

  return gtest_test_utils.GetTestExecutablePath(executable_name)


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


# Suppresses the "Invalid const name" lint complaint
# pylint: disable-msg=C6409

# Exposes utilities from gtest_test_utils.
Subprocess = gtest_test_utils.Subprocess
TestCase = gtest_test_utils.TestCase
environ = gtest_test_utils.environ
SetEnvVar = gtest_test_utils.SetEnvVar
PREMATURE_EXIT_FILE_ENV_VAR = gtest_test_utils.PREMATURE_EXIT_FILE_ENV_VAR

# pylint: enable-msg=C6409


def Main():
  """Runs the unit test."""

  gtest_test_utils.Main()