Method test_bad_reconstructor

Lib/test/pickletester.py:1792–1802

(self)

                    f'when serializing {REX.__module__}.REX object'])

    def test_bad_reconstructor(self):
        obj = REX((42, ()))
        for proto in protocols:
            with self.subTest(proto=proto):
                with self.assertRaises(pickle.PicklingError) as cm:
                    self.dumps(obj, proto)
                self.assertEqual(str(cm.exception),
                    'first item of the tuple returned by __reduce__ '
                    'must be callable, not int')
                self.assertEqual(cm.exception.__notes__, [
                    f'when serializing {REX.__module__}.REX object'])

    def test_unpickleable_reconstructor(self):
        obj = REX((UnpickleableCallable(), ()))