def test_add_event_handler_wrongly_raising_type_error(self):
event_name = "put:test:here"
event_version = 2
event_handler = "A string is not a event, dude"
with self.assertRaises(TypeError):
EventDiscovery.add(event_name,
event_handler,
version=event_version)
def test_add_event_handler_with_wrong_name_raising_value_error(self):
class FakeEventHandler(EventHandler):
pass
event_name = "wrong/mame:test:here"
event_version = 2
expected_event_handler = FakeEventHandler
with self.assertRaises(ValueError):
EventDiscovery.add(event_name,
expected_event_handler,
version=event_version)
def test_add_event_handler_getting_correct_one(self):
class FakeEventHandler(EventHandler):
pass
event_name = "put:test:here"
event_version = 2
expected_event_handler = FakeEventHandler
EventDiscovery.add(event_name,
expected_event_handler,
version=event_version)
event_handler = EventDiscovery.get(event_name, event_version)
self.assertEqual(expected_event_handler, event_handler)
def test_add_event_handler_getting_raising_event_not_found_exception(self):
class FakeEventHandler(EventHandler):
pass
event_name = "put:test:here"
event_version = 2
wrong_event_version = 3
expected_event_handler = FakeEventHandler
EventDiscovery.add(event_name,
expected_event_handler,
version=event_version)
with self.assertRaises(EventNotFoundException):
EventDiscovery.get(event_name, wrong_event_version)
def test_event_instantiation(self):
class EventTester(EventRegister):
event_name = "event:top:zera"
event_version = 1
event_handler = _TestEventHandler
EventTester.register_event()
event = EventDiscovery.get(EventTester.event_name, EventTester.event_version)
self.assertEqual(event, _TestEventHandler)
def process_event(cls, raw_event: str) -> str:
event = None
try:
event: Event = cls.parse_event(raw_event)
with EventContextHolder.with_context(event.id, event.flow_id,
event.name) as _:
event_handler: EventHandler = EventDiscovery.get(
event.name, event.version)
response: ResponseEvent = event_handler.handle(event)
return response.to_json()
except EventException as exception:
return EventBuilder.error_for(exception, event).to_json()