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."
),
)
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)