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  1. # Copyright 2006, Google Inc.
  2. # All rights reserved.
  3. #
  4. # Redistribution and use in source and binary forms, with or without
  5. # modification, are permitted provided that the following conditions are
  6. # met:
  7. #
  8. #     * Redistributions of source code must retain the above copyright
  9. # notice, this list of conditions and the following disclaimer.
  10. #     * Redistributions in binary form must reproduce the above
  11. # copyright notice, this list of conditions and the following disclaimer
  12. # in the documentation and/or other materials provided with the
  13. # distribution.
  14. #     * Neither the name of Google Inc. nor the names of its
  15. # contributors may be used to endorse or promote products derived from
  16. # this software without specific prior written permission.
  17. #
  18. # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29.  
  30. """Unit test utilities for Google C++ Mocking Framework."""
  31.  
  32. import os
  33. import sys
  34.  
  35. # Determines path to gtest_test_utils and imports it.
  36. SCRIPT_DIR = os.path.dirname(__file__) or '.'
  37.  
  38. # isdir resolves symbolic links.
  39. gtest_tests_util_dir = os.path.join(SCRIPT_DIR, '../../googletest/test')
  40. if os.path.isdir(gtest_tests_util_dir):
  41.   GTEST_TESTS_UTIL_DIR = gtest_tests_util_dir
  42. else:
  43.   GTEST_TESTS_UTIL_DIR = os.path.join(SCRIPT_DIR, '../../googletest/test')
  44. sys.path.append(GTEST_TESTS_UTIL_DIR)
  45.  
  46. # pylint: disable=C6204
  47. import gtest_test_utils
  48.  
  49.  
  50. def GetSourceDir():
  51.   """Returns the absolute path of the directory where the .py files are."""
  52.  
  53.   return gtest_test_utils.GetSourceDir()
  54.  
  55.  
  56. def GetTestExecutablePath(executable_name):
  57.   """Returns the absolute path of the test binary given its name.
  58.  
  59.  The function will print a message and abort the program if the resulting file
  60.  doesn't exist.
  61.  
  62.  Args:
  63.    executable_name: name of the test binary that the test script runs.
  64.  
  65.  Returns:
  66.    The absolute path of the test binary.
  67.  """
  68.  
  69.   return gtest_test_utils.GetTestExecutablePath(executable_name)
  70.  
  71.  
  72. def GetExitStatus(exit_code):
  73.   """Returns the argument to exit(), or -1 if exit() wasn't called.
  74.  
  75.  Args:
  76.    exit_code: the result value of os.system(command).
  77.  """
  78.  
  79.   if os.name == 'nt':
  80.     # On Windows, os.WEXITSTATUS() doesn't work and os.system() returns
  81.     # the argument to exit() directly.
  82.     return exit_code
  83.   else:
  84.     # On Unix, os.WEXITSTATUS() must be used to extract the exit status
  85.     # from the result of os.system().
  86.     if os.WIFEXITED(exit_code):
  87.       return os.WEXITSTATUS(exit_code)
  88.     else:
  89.       return -1
  90.  
  91.  
  92. # Suppresses the "Invalid const name" lint complaint
  93. # pylint: disable-msg=C6409
  94.  
  95. # Exposes utilities from gtest_test_utils.
  96. Subprocess = gtest_test_utils.Subprocess
  97. TestCase = gtest_test_utils.TestCase
  98. environ = gtest_test_utils.environ
  99. SetEnvVar = gtest_test_utils.SetEnvVar
  100. PREMATURE_EXIT_FILE_ENV_VAR = gtest_test_utils.PREMATURE_EXIT_FILE_ENV_VAR
  101.  
  102. # pylint: enable-msg=C6409
  103.  
  104.  
  105. def Main():
  106.   """Runs the unit test."""
  107.  
  108.   gtest_test_utils.Main()
  109.