def __init__(
self,
name: str,
default: JSONSerializableParameterValue = no_default,
required: bool = True,
tags: Iterable[str] = None,
) -> None:
super().__init__(name=name,
default=default,
required=required,
tags=tags)
self.result = PrefectResult(serializer=DateTimeSerializer())
def __init__(
self,
name: str,
required: bool = True,
tags: Iterable[str] = None,
) -> None:
default = no_default if required else None
super().__init__(name=name,
default=default,
required=required,
tags=tags)
self.result = PrefectResult(serializer=DateTimeSerializer())
def test_serializer_not_configurable(self):
# By default creates own JSONSerializer
result = PrefectResult()
assert isinstance(result.serializer, JSONSerializer)
# Can specify one manually as well
serializer = JSONSerializer()
result = PrefectResult(serializer=serializer)
assert result.serializer is serializer
# Can set if it's a JSONSerializer or DateTimeSerializer
serializer2 = JSONSerializer()
result.serializer = serializer2
assert result.serializer is serializer2
serializer3 = DateTimeSerializer()
result.serializer = serializer3
assert result.serializer is serializer3
# Type errors for other serializer types
with pytest.raises(TypeError):
result.serializer = PickleSerializer()
with pytest.raises(TypeError):
result = PrefectResult(serializer=PickleSerializer())
def test_deserialize_returns_objects(self):
value = pendulum.now()
serialized = DateTimeSerializer().serialize(value)
deserialized = DateTimeSerializer().deserialize(serialized)
assert deserialized == value
def test_serialize_returns_bytes(self):
value = pendulum.now()
serialized = DateTimeSerializer().serialize(value)
assert isinstance(serialized, bytes)