def test_serializer():
"""Test result serializer on event."""
event = Event()
event.response = {}
event.response_headers = {}
result = chain(simple_add.s(1, 2),
group(simple_add.s(3), simple_add.s(4),
failing_task.s())).apply_async()
CeleryAsyncReceiver._serialize_result(event=event, result=result)
deserialized_result = CeleryAsyncReceiver._deserialize_result(event=event)
assert deserialized_result.id == result.id
assert deserialized_result.parent.id == result.parent.id
assert deserialized_result.children[0].id == result.children[0].id
assert deserialized_result.children[1].id == result.children[1].id
assert deserialized_result.children[2].id == result.children[2].id
