test_runner.py 文件源码

def test_pickle_unpickle(self):
        # Issue #7197: a TextTestRunner should be (un)pickleable. This is
        # required by test_multiprocessing under Windows (in verbose mode).
        stream = StringIO(u("foo"))
        runner = unittest2.TextTestRunner(stream)
        for protocol in range(2, pickle.HIGHEST_PROTOCOL + 1):
            s = pickle.dumps(runner, protocol=protocol)
            obj = pickle.loads(s)
            # StringIO objects never compare equal, a cheap test instead.
            self.assertEqual(obj.stream.getvalue(), stream.getvalue())