import os import unittest def additional_tests(): suites = unittest.TestSuite() for file in os.listdir(os.path.dirname(__file__)): if file.endswith('.py') and file!='__init__.py': name = os.path.splitext(file)[0] module = __import__('.'.join((__name__, name)), globals(), locals(), [name]) if hasattr(module, 'test_suite'): suites.addTests(module.test_suite()) return suites