test_loader.py 文件源码

def test_loadTestsFromModule__load_tests(self):
        m = types.ModuleType('m')
        class MyTestCase(unittest2.TestCase):
            def test(self):
                pass
        m.testcase_1 = MyTestCase

        load_tests_args = []
        def load_tests(loader, tests, pattern):
            self.assertIsInstance(tests, unittest2.TestSuite)
            load_tests_args.extend((loader, tests, pattern))
            return tests
        m.load_tests = load_tests

        loader = unittest2.TestLoader()
        suite = loader.loadTestsFromModule(m)
        self.assertIsInstance(suite, unittest2.TestSuite)
        self.assertEqual(load_tests_args, [loader, suite, None])
        # With Python 3.5, the undocumented and unofficial use_load_tests is
        # ignored (and deprecated).
        load_tests_args = []
        with warnings.catch_warnings(record=False):
            warnings.simplefilter('never')
            suite = loader.loadTestsFromModule(m, use_load_tests=False)
            self.assertEqual(load_tests_args, [loader, suite, None])