test_suite.py 文件源码

def assert_garbage_collect_test_after_run(self, TestSuiteClass):
        if not unittest.BaseTestSuite._cleanup:
            raise unittest.SkipTest("Suite cleanup is disabled")

        class Foo(unittest.TestCase):
            def test_nothing(self):
                pass

        test = Foo('test_nothing')
        wref = weakref.ref(test)

        suite = TestSuiteClass([wref()])
        suite.run(unittest.TestResult())

        del test

        # for the benefit of non-reference counting implementations
        gc.collect()

        self.assertEqual(suite._tests, [None])
        self.assertIsNone(wref())