def test_it_delegates_serialize_to_serializer():
serializer = Mock()
c = Client(serializer=serializer)
message = {'some': 'message'}
c.serialize(message)
serializer.serialize.assert_called_once_with(message)
def test_it_delegates_deserialize_to_serializer():
serializer = Mock()
c = Client(serializer=serializer)
data = "some string"
result = Mock(data=data)
c.deserialize(result)
serializer.deserialize.assert_called_once_with(data)