import unittest import sys from test.support import import_fresh_module, run_unittest TESTS = 'test.datetimetester' try: pure_tests = import_fresh_module(TESTS, fresh=['datetime', '_strptime'], blocked=['_datetime']) fast_tests = import_fresh_module(TESTS, fresh=['datetime', '_datetime', '_strptime']) finally: # XXX: import_fresh_module() is supposed to leave sys.module cache untouched, # XXX: but it does not, so we have to cleanup ourselves. for modname in ['datetime', '_datetime', '_strptime']: sys.modules.pop(modname, None) test_modules = [pure_tests, fast_tests] test_suffixes = ["_Pure", "_Fast"] # XXX(gb) First run all the _Pure tests, then all the _Fast tests. You might # not believe this, but in spite of all the sys.modules trickery running a _Pure # test last will leave a mix of pure and native datetime stuff lying around. test_classes = [] for module, suffix in zip(test_modules, test_suffixes): test_classes = [] for name, cls in module.__dict__.items(): if not isinstance(cls, type): continue if issubclass(cls, unittest.TestCase): test_classes.append(cls) elif issubclass(cls, unittest.TestSuite): suit = cls() test_classes.extend(type(test) for test in suit) test_classes = sorted(set(test_classes), key=lambda cls: cls.__qualname__) for cls in test_classes: cls.__name__ = name + suffix @classmethod def setUpClass(cls_, module=module): cls_._save_sys_modules = sys.modules.copy() sys.modules[TESTS] = module sys.modules['datetime'] = module.datetime_module sys.modules['_strptime'] = module._strptime @classmethod def tearDownClass(cls_): sys.modules.clear() sys.modules.update(cls_._save_sys_modules) cls.setUpClass = setUpClass cls.tearDownClass = tearDownClass def test_main(): run_unittest(*test_classes) if __name__ == "__main__": test_main()