Esempio n. 1
0
    def test(self):
        transcoder = JSONTranscoder()
        obj = CustomType2(CustomType1(UUID("b2723fe2c01a40d2875ea3aac6a09ff5")))
        with self.assertRaises(TypeError) as cm:
            transcoder.encode(obj)

        self.assertEqual(
            cm.exception.args[0],
            (
                "Object of type <class 'eventsourcing.tests.test_eventmapper."
                "CustomType2'> is not serializable. Please define and register "
                "a custom transcoding for this type."
            ),
        )

        transcoder.register(UUIDAsHex())
        transcoder.register(CustomType1AsDict())
        transcoder.register(CustomType2AsDict())

        data = transcoder.encode(obj)
        expect = (
            b'{"_type_": "custom_type2_as_dict", "_data_": '
            b'{"_type_": "custom_type1_as_dict", "_data_": '
            b'{"_type_": "uuid_hex", "_data_": "b2723fe2c01'
            b'a40d2875ea3aac6a09ff5"}}}'
        )

        self.assertEqual(data, expect)
        copy = transcoder.decode(data)
        self.assertIsInstance(copy, CustomType2)
        self.assertIsInstance(copy.value, CustomType1)
        self.assertIsInstance(copy.value.value, UUID)
        self.assertEqual(copy.value.value, obj.value.value)

        transcoder = JSONTranscoder()
        with self.assertRaises(TypeError) as cm:
            transcoder.decode(data)

        self.assertEqual(
            cm.exception.args[0],
            (
                "Data serialized with name 'uuid_hex' is not deserializable. "
                "Please register a custom transcoding for this type."
            ),
        )
Esempio n. 2
0
    def test(self):
        transcoder = JSONTranscoder()
        obj = CustomType2(CustomType1(
            UUID("b2723fe2c01a40d2875ea3aac6a09ff5")))
        with self.assertRaises(TypeError):
            transcoder.encode(obj)

        transcoder.register(UUIDAsHex())
        transcoder.register(CustomType1AsDict())
        transcoder.register(CustomType2AsDict())

        data = transcoder.encode(obj)
        expect = (b'{"_type_": "custom_type2_as_dict", "_data_": '
                  b'{"_type_": "custom_type1_as_dict", "_data_": '
                  b'{"_type_": "uuid_hex", "_data_": "b2723fe2c01'
                  b'a40d2875ea3aac6a09ff5"}}}')

        self.assertEqual(data, expect)
        copy = transcoder.decode(data)
        self.assertIsInstance(copy, CustomType2)
        self.assertIsInstance(copy.value, CustomType1)
        self.assertIsInstance(copy.value.value, UUID)
        self.assertEqual(copy.value.value, obj.value.value)