1104 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			1104 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			Python
		
	
	
| # Copyright 2018-2021 The Matrix.org Foundation C.I.C.
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| 
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| import logging
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| 
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| from frozendict import frozendict
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| 
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| from synapse.api.constants import EventTypes, Membership
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| from synapse.api.room_versions import RoomVersions
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| from synapse.storage.state import StateFilter
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| from synapse.types import RoomID, UserID
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| 
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| from tests.unittest import HomeserverTestCase, TestCase
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class StateStoreTestCase(HomeserverTestCase):
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|     def prepare(self, reactor, clock, hs):
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|         self.store = hs.get_datastores().main
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|         self.storage = hs.get_storage()
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|         self.state_datastore = self.storage.state.stores.state
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|         self.event_builder_factory = hs.get_event_builder_factory()
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|         self.event_creation_handler = hs.get_event_creation_handler()
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| 
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|         self.u_alice = UserID.from_string("@alice:test")
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|         self.u_bob = UserID.from_string("@bob:test")
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| 
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|         self.room = RoomID.from_string("!abc123:test")
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| 
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|         self.get_success(
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|             self.store.store_room(
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|                 self.room.to_string(),
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|                 room_creator_user_id="@creator:text",
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|                 is_public=True,
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|                 room_version=RoomVersions.V1,
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|             )
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|         )
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| 
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|     def inject_state_event(self, room, sender, typ, state_key, content):
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|         builder = self.event_builder_factory.for_room_version(
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|             RoomVersions.V1,
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|             {
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|                 "type": typ,
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|                 "sender": sender.to_string(),
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|                 "state_key": state_key,
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|                 "room_id": room.to_string(),
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|                 "content": content,
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|             },
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|         )
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| 
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|         event, context = self.get_success(
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|             self.event_creation_handler.create_new_client_event(builder)
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|         )
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| 
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|         self.get_success(self.storage.persistence.persist_event(event, context))
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| 
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|         return event
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| 
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|     def assertStateMapEqual(self, s1, s2):
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|         for t in s1:
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|             # just compare event IDs for simplicity
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|             self.assertEqual(s1[t].event_id, s2[t].event_id)
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|         self.assertEqual(len(s1), len(s2))
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| 
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|     def test_get_state_groups_ids(self):
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|         e1 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {})
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|         e2 = self.inject_state_event(
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|             self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"}
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|         )
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| 
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|         state_group_map = self.get_success(
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|             self.storage.state.get_state_groups_ids(self.room, [e2.event_id])
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|         )
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|         self.assertEqual(len(state_group_map), 1)
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|         state_map = list(state_group_map.values())[0]
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|         self.assertDictEqual(
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|             state_map,
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|             {(EventTypes.Create, ""): e1.event_id, (EventTypes.Name, ""): e2.event_id},
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|         )
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| 
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|     def test_get_state_groups(self):
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|         e1 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {})
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|         e2 = self.inject_state_event(
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|             self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"}
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|         )
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| 
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|         state_group_map = self.get_success(
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|             self.storage.state.get_state_groups(self.room, [e2.event_id])
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|         )
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|         self.assertEqual(len(state_group_map), 1)
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|         state_list = list(state_group_map.values())[0]
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| 
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|         self.assertEqual({ev.event_id for ev in state_list}, {e1.event_id, e2.event_id})
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| 
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|     def test_get_state_for_event(self):
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|         # this defaults to a linear DAG as each new injection defaults to whatever
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|         # forward extremities are currently in the DB for this room.
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|         e1 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {})
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|         e2 = self.inject_state_event(
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|             self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"}
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|         )
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|         e3 = self.inject_state_event(
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|             self.room,
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|             self.u_alice,
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|             EventTypes.Member,
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|             self.u_alice.to_string(),
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|             {"membership": Membership.JOIN},
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|         )
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|         e4 = self.inject_state_event(
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|             self.room,
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|             self.u_bob,
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|             EventTypes.Member,
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|             self.u_bob.to_string(),
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|             {"membership": Membership.JOIN},
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|         )
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|         e5 = self.inject_state_event(
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|             self.room,
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|             self.u_bob,
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|             EventTypes.Member,
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|             self.u_bob.to_string(),
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|             {"membership": Membership.LEAVE},
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|         )
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| 
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|         # check we get the full state as of the final event
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|         state = self.get_success(self.storage.state.get_state_for_event(e5.event_id))
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| 
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|         self.assertIsNotNone(e4)
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| 
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|         self.assertStateMapEqual(
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|             {
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|                 (e1.type, e1.state_key): e1,
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|                 (e2.type, e2.state_key): e2,
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|                 (e3.type, e3.state_key): e3,
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|                 # e4 is overwritten by e5
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|                 (e5.type, e5.state_key): e5,
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|             },
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|             state,
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|         )
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| 
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|         # check we can filter to the m.room.name event (with a '' state key)
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|         state = self.get_success(
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|             self.storage.state.get_state_for_event(
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|                 e5.event_id, StateFilter.from_types([(EventTypes.Name, "")])
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|             )
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|         )
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| 
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|         self.assertStateMapEqual({(e2.type, e2.state_key): e2}, state)
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| 
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|         # check we can filter to the m.room.name event (with a wildcard None state key)
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|         state = self.get_success(
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|             self.storage.state.get_state_for_event(
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|                 e5.event_id, StateFilter.from_types([(EventTypes.Name, None)])
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|             )
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|         )
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| 
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|         self.assertStateMapEqual({(e2.type, e2.state_key): e2}, state)
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| 
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|         # check we can grab the m.room.member events (with a wildcard None state key)
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|         state = self.get_success(
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|             self.storage.state.get_state_for_event(
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|                 e5.event_id, StateFilter.from_types([(EventTypes.Member, None)])
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|             )
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|         )
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| 
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|         self.assertStateMapEqual(
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|             {(e3.type, e3.state_key): e3, (e5.type, e5.state_key): e5}, state
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|         )
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| 
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|         # check we can grab a specific room member without filtering out the
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|         # other event types
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|         state = self.get_success(
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|             self.storage.state.get_state_for_event(
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|                 e5.event_id,
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|                 state_filter=StateFilter(
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|                     types=frozendict(
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|                         {EventTypes.Member: frozenset({self.u_alice.to_string()})}
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|                     ),
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|                     include_others=True,
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|                 ),
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|             )
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|         )
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| 
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|         self.assertStateMapEqual(
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|             {
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|                 (e1.type, e1.state_key): e1,
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|                 (e2.type, e2.state_key): e2,
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|                 (e3.type, e3.state_key): e3,
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|             },
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|             state,
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|         )
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| 
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|         # check that we can grab everything except members
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|         state = self.get_success(
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|             self.storage.state.get_state_for_event(
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|                 e5.event_id,
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|                 state_filter=StateFilter(
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|                     types=frozendict({EventTypes.Member: frozenset()}),
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|                     include_others=True,
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|                 ),
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|             )
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|         )
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| 
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|         self.assertStateMapEqual(
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|             {(e1.type, e1.state_key): e1, (e2.type, e2.state_key): e2}, state
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|         )
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| 
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|         #######################################################
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|         # _get_state_for_group_using_cache tests against a full cache
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|         #######################################################
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| 
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|         room_id = self.room.to_string()
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|         group_ids = self.get_success(
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|             self.storage.state.get_state_groups_ids(room_id, [e5.event_id])
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|         )
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|         group = list(group_ids.keys())[0]
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| 
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|         # test _get_state_for_group_using_cache correctly filters out members
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|         # with types=[]
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
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|             self.state_datastore._state_group_cache,
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|             group,
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|             state_filter=StateFilter(
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|                 types=frozendict({EventTypes.Member: frozenset()}), include_others=True
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|             ),
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|         )
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| 
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|         self.assertEqual(is_all, True)
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|         self.assertDictEqual(
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|             {
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|                 (e1.type, e1.state_key): e1.event_id,
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|                 (e2.type, e2.state_key): e2.event_id,
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|             },
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|             state_dict,
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|         )
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| 
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
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|             self.state_datastore._state_group_members_cache,
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|             group,
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|             state_filter=StateFilter(
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|                 types=frozendict({EventTypes.Member: frozenset()}), include_others=True
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|             ),
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|         )
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| 
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|         self.assertEqual(is_all, True)
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|         self.assertDictEqual({}, state_dict)
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| 
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|         # test _get_state_for_group_using_cache correctly filters in members
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|         # with wildcard types
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
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|             self.state_datastore._state_group_cache,
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|             group,
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|             state_filter=StateFilter(
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|                 types=frozendict({EventTypes.Member: None}), include_others=True
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|             ),
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|         )
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| 
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|         self.assertEqual(is_all, True)
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|         self.assertDictEqual(
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|             {
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|                 (e1.type, e1.state_key): e1.event_id,
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|                 (e2.type, e2.state_key): e2.event_id,
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|             },
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|             state_dict,
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|         )
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| 
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
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|             self.state_datastore._state_group_members_cache,
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|             group,
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|             state_filter=StateFilter(
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|                 types=frozendict({EventTypes.Member: None}), include_others=True
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|             ),
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|         )
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| 
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|         self.assertEqual(is_all, True)
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|         self.assertDictEqual(
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|             {
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|                 (e3.type, e3.state_key): e3.event_id,
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|                 # e4 is overwritten by e5
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|                 (e5.type, e5.state_key): e5.event_id,
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|             },
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|             state_dict,
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|         )
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| 
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|         # test _get_state_for_group_using_cache correctly filters in members
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|         # with specific types
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
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|             self.state_datastore._state_group_cache,
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|             group,
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|             state_filter=StateFilter(
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|                 types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
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|                 include_others=True,
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|             ),
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|         )
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| 
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|         self.assertEqual(is_all, True)
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|         self.assertDictEqual(
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|             {
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|                 (e1.type, e1.state_key): e1.event_id,
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|                 (e2.type, e2.state_key): e2.event_id,
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|             },
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|             state_dict,
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|         )
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| 
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
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|             self.state_datastore._state_group_members_cache,
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|             group,
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|             state_filter=StateFilter(
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|                 types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
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|                 include_others=True,
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|             ),
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|         )
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| 
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|         self.assertEqual(is_all, True)
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|         self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
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| 
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|         # test _get_state_for_group_using_cache correctly filters in members
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|         # with specific types
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
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|             self.state_datastore._state_group_members_cache,
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|             group,
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|             state_filter=StateFilter(
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|                 types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
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|                 include_others=False,
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|             ),
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|         )
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| 
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|         self.assertEqual(is_all, True)
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|         self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
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| 
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|         #######################################################
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|         # deliberately remove e2 (room name) from the _state_group_cache
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| 
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|         cache_entry = self.state_datastore._state_group_cache.get(group)
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|         state_dict_ids = cache_entry.value
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| 
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|         self.assertEqual(cache_entry.full, True)
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|         self.assertEqual(cache_entry.known_absent, set())
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|         self.assertDictEqual(
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|             state_dict_ids,
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|             {
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|                 (e1.type, e1.state_key): e1.event_id,
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|                 (e2.type, e2.state_key): e2.event_id,
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|             },
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|         )
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| 
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|         state_dict_ids.pop((e2.type, e2.state_key))
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|         self.state_datastore._state_group_cache.invalidate(group)
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|         self.state_datastore._state_group_cache.update(
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|             sequence=self.state_datastore._state_group_cache.sequence,
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|             key=group,
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|             value=state_dict_ids,
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|             # list fetched keys so it knows it's partial
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|             fetched_keys=((e1.type, e1.state_key),),
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|         )
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| 
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|         cache_entry = self.state_datastore._state_group_cache.get(group)
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|         state_dict_ids = cache_entry.value
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| 
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|         self.assertEqual(cache_entry.full, False)
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|         self.assertEqual(cache_entry.known_absent, {(e1.type, e1.state_key)})
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|         self.assertDictEqual(state_dict_ids, {(e1.type, e1.state_key): e1.event_id})
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| 
 | |
|         ############################################
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|         # test that things work with a partial cache
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| 
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|         # test _get_state_for_group_using_cache correctly filters out members
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|         # with types=[]
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|         room_id = self.room.to_string()
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
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|             self.state_datastore._state_group_cache,
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|             group,
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|             state_filter=StateFilter(
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|                 types=frozendict({EventTypes.Member: frozenset()}), include_others=True
 | |
|             ),
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|         )
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| 
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|         self.assertEqual(is_all, False)
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|         self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
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| 
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|         room_id = self.room.to_string()
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
 | |
|             self.state_datastore._state_group_members_cache,
 | |
|             group,
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|             state_filter=StateFilter(
 | |
|                 types=frozendict({EventTypes.Member: frozenset()}), include_others=True
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         self.assertEqual(is_all, True)
 | |
|         self.assertDictEqual({}, state_dict)
 | |
| 
 | |
|         # test _get_state_for_group_using_cache correctly filters in members
 | |
|         # wildcard types
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|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
 | |
|             self.state_datastore._state_group_cache,
 | |
|             group,
 | |
|             state_filter=StateFilter(
 | |
|                 types=frozendict({EventTypes.Member: None}), include_others=True
 | |
|             ),
 | |
|         )
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| 
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|         self.assertEqual(is_all, False)
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|         self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
 | |
| 
 | |
|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
 | |
|             self.state_datastore._state_group_members_cache,
 | |
|             group,
 | |
|             state_filter=StateFilter(
 | |
|                 types=frozendict({EventTypes.Member: None}), include_others=True
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         self.assertEqual(is_all, True)
 | |
|         self.assertDictEqual(
 | |
|             {
 | |
|                 (e3.type, e3.state_key): e3.event_id,
 | |
|                 (e5.type, e5.state_key): e5.event_id,
 | |
|             },
 | |
|             state_dict,
 | |
|         )
 | |
| 
 | |
|         # test _get_state_for_group_using_cache correctly filters in members
 | |
|         # with specific types
 | |
|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
 | |
|             self.state_datastore._state_group_cache,
 | |
|             group,
 | |
|             state_filter=StateFilter(
 | |
|                 types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
 | |
|                 include_others=True,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         self.assertEqual(is_all, False)
 | |
|         self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
 | |
| 
 | |
|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
 | |
|             self.state_datastore._state_group_members_cache,
 | |
|             group,
 | |
|             state_filter=StateFilter(
 | |
|                 types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
 | |
|                 include_others=True,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         self.assertEqual(is_all, True)
 | |
|         self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
 | |
| 
 | |
|         # test _get_state_for_group_using_cache correctly filters in members
 | |
|         # with specific types
 | |
|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
 | |
|             self.state_datastore._state_group_cache,
 | |
|             group,
 | |
|             state_filter=StateFilter(
 | |
|                 types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         self.assertEqual(is_all, False)
 | |
|         self.assertDictEqual({}, state_dict)
 | |
| 
 | |
|         (state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
 | |
|             self.state_datastore._state_group_members_cache,
 | |
|             group,
 | |
|             state_filter=StateFilter(
 | |
|                 types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         self.assertEqual(is_all, True)
 | |
|         self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
 | |
| 
 | |
| 
 | |
| class StateFilterDifferenceTestCase(TestCase):
 | |
|     def assert_difference(
 | |
|         self, minuend: StateFilter, subtrahend: StateFilter, expected: StateFilter
 | |
|     ):
 | |
|         self.assertEqual(
 | |
|             minuend.approx_difference(subtrahend),
 | |
|             expected,
 | |
|             f"StateFilter difference not correct:\n\n\t{minuend!r}\nminus\n\t{subtrahend!r}\nwas\n\t{minuend.approx_difference(subtrahend)}\nexpected\n\t{expected}",
 | |
|         )
 | |
| 
 | |
|     def test_state_filter_difference_no_include_other_minus_no_include_other(self):
 | |
|         """
 | |
|         Tests the StateFilter.approx_difference method
 | |
|         where, in a.approx_difference(b), both a and b do not have the
 | |
|         include_others flag set.
 | |
|         """
 | |
|         # (wildcard on state keys) - (wildcard on state keys):
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.Create: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.CanonicalAlias: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze({EventTypes.Create: None}, include_others=False),
 | |
|         )
 | |
| 
 | |
|         # (wildcard on state keys) - (specific state keys)
 | |
|         # This one is an over-approximation because we can't represent
 | |
|         # 'all state keys except a few named examples'
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze({EventTypes.Member: None}, include_others=False),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: {"@wombat:spqr"}},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze({EventTypes.Member: None}, include_others=False),
 | |
|         )
 | |
| 
 | |
|         # (wildcard on state keys) - (no state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (wildcard on state keys):
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.CanonicalAlias: {""}},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (specific state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr"},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (no state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|     def test_state_filter_difference_include_other_minus_no_include_other(self):
 | |
|         """
 | |
|         Tests the StateFilter.approx_difference method
 | |
|         where, in a.approx_difference(b), only a has the include_others flag set.
 | |
|         """
 | |
|         # (wildcard on state keys) - (wildcard on state keys):
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.Create: None},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.CanonicalAlias: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Create: None,
 | |
|                     EventTypes.Member: set(),
 | |
|                     EventTypes.CanonicalAlias: set(),
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (wildcard on state keys) - (specific state keys)
 | |
|         # This one is an over-approximation because we can't represent
 | |
|         # 'all state keys except a few named examples'
 | |
|         # This also shows that the resultant state filter is normalised.
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze({EventTypes.Member: None}, include_others=True),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr"},
 | |
|                     EventTypes.Create: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter(types=frozendict(), include_others=True),
 | |
|         )
 | |
| 
 | |
|         # (wildcard on state keys) - (no state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter(
 | |
|                 types=frozendict(),
 | |
|                 include_others=True,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (wildcard on state keys):
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (specific state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr"},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (no state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|     def test_state_filter_difference_include_other_minus_include_other(self):
 | |
|         """
 | |
|         Tests the StateFilter.approx_difference method
 | |
|         where, in a.approx_difference(b), both a and b have the include_others
 | |
|         flag set.
 | |
|         """
 | |
|         # (wildcard on state keys) - (wildcard on state keys):
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.Create: None},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.CanonicalAlias: None},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter(types=frozendict(), include_others=False),
 | |
|         )
 | |
| 
 | |
|         # (wildcard on state keys) - (specific state keys)
 | |
|         # This one is an over-approximation because we can't represent
 | |
|         # 'all state keys except a few named examples'
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze({EventTypes.Member: None}, include_others=True),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.CanonicalAlias: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (wildcard on state keys) - (no state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (wildcard on state keys):
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter(
 | |
|                 types=frozendict(),
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (specific state keys)
 | |
|         # This one is an over-approximation because we can't represent
 | |
|         # 'all state keys except a few named examples'
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                     EventTypes.Create: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr"},
 | |
|                     EventTypes.Create: set(),
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@spqr:spqr"},
 | |
|                     EventTypes.Create: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (no state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|     def test_state_filter_difference_no_include_other_minus_include_other(self):
 | |
|         """
 | |
|         Tests the StateFilter.approx_difference method
 | |
|         where, in a.approx_difference(b), only b has the include_others flag set.
 | |
|         """
 | |
|         # (wildcard on state keys) - (wildcard on state keys):
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.Create: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None, EventTypes.CanonicalAlias: None},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter(types=frozendict(), include_others=False),
 | |
|         )
 | |
| 
 | |
|         # (wildcard on state keys) - (specific state keys)
 | |
|         # This one is an over-approximation because we can't represent
 | |
|         # 'all state keys except a few named examples'
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze({EventTypes.Member: None}, include_others=False),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: {"@wombat:spqr"}},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze({EventTypes.Member: None}, include_others=False),
 | |
|         )
 | |
| 
 | |
|         # (wildcard on state keys) - (no state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (wildcard on state keys):
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter(
 | |
|                 types=frozendict(),
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (specific state keys)
 | |
|         # This one is an over-approximation because we can't represent
 | |
|         # 'all state keys except a few named examples'
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr"},
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@spqr:spqr"},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # (specific state keys) - (no state keys)
 | |
|         self.assert_difference(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                     EventTypes.CanonicalAlias: {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: set(),
 | |
|                 },
 | |
|                 include_others=True,
 | |
|             ),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|     def test_state_filter_difference_simple_cases(self):
 | |
|         """
 | |
|         Tests some very simple cases of the StateFilter approx_difference,
 | |
|         that are not explicitly tested by the more in-depth tests.
 | |
|         """
 | |
| 
 | |
|         self.assert_difference(StateFilter.all(), StateFilter.all(), StateFilter.none())
 | |
| 
 | |
|         self.assert_difference(
 | |
|             StateFilter.all(),
 | |
|             StateFilter.none(),
 | |
|             StateFilter.all(),
 | |
|         )
 | |
| 
 | |
| 
 | |
| class StateFilterTestCase(TestCase):
 | |
|     def test_return_expanded(self):
 | |
|         """
 | |
|         Tests the behaviour of the return_expanded() function that expands
 | |
|         StateFilters to include more state types (for the sake of cache hit rate).
 | |
|         """
 | |
| 
 | |
|         self.assertEqual(StateFilter.all().return_expanded(), StateFilter.all())
 | |
| 
 | |
|         self.assertEqual(StateFilter.none().return_expanded(), StateFilter.none())
 | |
| 
 | |
|         # Concrete-only state filters stay the same
 | |
|         # (Case: mixed filter)
 | |
|         self.assertEqual(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:test", "@alicia:test"},
 | |
|                     "some.other.state.type": {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ).return_expanded(),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:test", "@alicia:test"},
 | |
|                     "some.other.state.type": {""},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # Concrete-only state filters stay the same
 | |
|         # (Case: non-member-only filter)
 | |
|         self.assertEqual(
 | |
|             StateFilter.freeze(
 | |
|                 {"some.other.state.type": {""}}, include_others=False
 | |
|             ).return_expanded(),
 | |
|             StateFilter.freeze({"some.other.state.type": {""}}, include_others=False),
 | |
|         )
 | |
| 
 | |
|         # Concrete-only state filters stay the same
 | |
|         # (Case: member-only filter)
 | |
|         self.assertEqual(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:test", "@alicia:test"},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ).return_expanded(),
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:test", "@alicia:test"},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # Wildcard member-only state filters stay the same
 | |
|         self.assertEqual(
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ).return_expanded(),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: None},
 | |
|                 include_others=False,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # If there is a wildcard in the non-member portion of the filter,
 | |
|         # it's expanded to include ALL non-member events.
 | |
|         # (Case: mixed filter)
 | |
|         self.assertEqual(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     EventTypes.Member: {"@wombat:test", "@alicia:test"},
 | |
|                     "some.other.state.type": None,
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ).return_expanded(),
 | |
|             StateFilter.freeze(
 | |
|                 {EventTypes.Member: {"@wombat:test", "@alicia:test"}},
 | |
|                 include_others=True,
 | |
|             ),
 | |
|         )
 | |
| 
 | |
|         # If there is a wildcard in the non-member portion of the filter,
 | |
|         # it's expanded to include ALL non-member events.
 | |
|         # (Case: non-member-only filter)
 | |
|         self.assertEqual(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     "some.other.state.type": None,
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ).return_expanded(),
 | |
|             StateFilter.freeze({EventTypes.Member: set()}, include_others=True),
 | |
|         )
 | |
|         self.assertEqual(
 | |
|             StateFilter.freeze(
 | |
|                 {
 | |
|                     "some.other.state.type": None,
 | |
|                     "yet.another.state.type": {"wombat"},
 | |
|                 },
 | |
|                 include_others=False,
 | |
|             ).return_expanded(),
 | |
|             StateFilter.freeze({EventTypes.Member: set()}, include_others=True),
 | |
|         )
 |