1  import os
       2  import unittest
       3  
       4  
       5  def load_tests(loader, standard_tests, pattern):
       6      # top level directory cached on loader instance
       7      this_dir = os.path.dirname(__file__)
       8      pattern = pattern or "test*.py"
       9      # We are inside unittest.test.testmock, so the top-level is three notches up
      10      top_level_dir = os.path.dirname(os.path.dirname(os.path.dirname(this_dir)))
      11      package_tests = loader.discover(start_dir=this_dir, pattern=pattern,
      12                                      top_level_dir=top_level_dir)
      13      standard_tests.addTests(package_tests)
      14      return standard_tests
      15  
      16  
      17  if __name__ == '__main__':
      18      unittest.main()