# Copyright 2018-2021 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import logging from immutabledict import immutabledict from twisted.test.proto_helpers import MemoryReactor from synapse.api.constants import EventTypes, Membership from synapse.api.room_versions import RoomVersions from synapse.events import EventBase from synapse.server import HomeServer from synapse.types import JsonDict, RoomID, StateMap, UserID from synapse.types.state import StateFilter from synapse.util import Clock from tests.unittest import HomeserverTestCase logger = logging.getLogger(__name__) class StateStoreTestCase(HomeserverTestCase): def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: self.store = hs.get_datastores().main self.storage = hs.get_storage_controllers() self.state_datastore = self.storage.state.stores.state self.event_builder_factory = hs.get_event_builder_factory() self.event_creation_handler = hs.get_event_creation_handler() self.u_alice = UserID.from_string("@alice:test") self.u_bob = UserID.from_string("@bob:test") self.room = RoomID.from_string("!abc123:test") self.get_success( self.store.store_room( self.room.to_string(), room_creator_user_id="@creator:text", is_public=True, room_version=RoomVersions.V1, ) ) def inject_state_event( self, room: RoomID, sender: UserID, typ: str, state_key: str, content: JsonDict ) -> EventBase: builder = self.event_builder_factory.for_room_version( RoomVersions.V1, { "type": typ, "sender": sender.to_string(), "state_key": state_key, "room_id": room.to_string(), "content": content, }, ) event, unpersisted_context = self.get_success( self.event_creation_handler.create_new_client_event(builder) ) context = self.get_success(unpersisted_context.persist(event)) assert self.storage.persistence is not None self.get_success(self.storage.persistence.persist_event(event, context)) return event def assertStateMapEqual( self, s1: StateMap[EventBase], s2: StateMap[EventBase] ) -> None: for t in s1: # just compare event IDs for simplicity self.assertEqual(s1[t].event_id, s2[t].event_id) self.assertEqual(len(s1), len(s2)) def test_get_state_groups_ids(self) -> None: e1 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {}) e2 = self.inject_state_event( self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"} ) state_group_map = self.get_success( self.storage.state.get_state_groups_ids( self.room.to_string(), [e2.event_id] ) ) self.assertEqual(len(state_group_map), 1) state_map = list(state_group_map.values())[0] self.assertDictEqual( state_map, {(EventTypes.Create, ""): e1.event_id, (EventTypes.Name, ""): e2.event_id}, ) def test_get_state_groups(self) -> None: e1 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {}) e2 = self.inject_state_event( self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"} ) state_group_map = self.get_success( self.storage.state.get_state_groups(self.room.to_string(), [e2.event_id]) ) self.assertEqual(len(state_group_map), 1) state_list = list(state_group_map.values())[0] self.assertEqual({ev.event_id for ev in state_list}, {e1.event_id, e2.event_id}) def test_get_state_for_event(self) -> None: # this defaults to a linear DAG as each new injection defaults to whatever # forward extremities are currently in the DB for this room. e1 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {}) e2 = self.inject_state_event( self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"} ) e3 = self.inject_state_event( self.room, self.u_alice, EventTypes.Member, self.u_alice.to_string(), {"membership": Membership.JOIN}, ) e4 = self.inject_state_event( self.room, self.u_bob, EventTypes.Member, self.u_bob.to_string(), {"membership": Membership.JOIN}, ) e5 = self.inject_state_event( self.room, self.u_bob, EventTypes.Member, self.u_bob.to_string(), {"membership": Membership.LEAVE}, ) # check we get the full state as of the final event state = self.get_success(self.storage.state.get_state_for_event(e5.event_id)) self.assertIsNotNone(e4) self.assertStateMapEqual( { (e1.type, e1.state_key): e1, (e2.type, e2.state_key): e2, (e3.type, e3.state_key): e3, # e4 is overwritten by e5 (e5.type, e5.state_key): e5, }, state, ) # check we can filter to the m.room.name event (with a '' state key) state = self.get_success( self.storage.state.get_state_for_event( e5.event_id, StateFilter.from_types([(EventTypes.Name, "")]) ) ) self.assertStateMapEqual({(e2.type, e2.state_key): e2}, state) # check we can filter to the m.room.name event (with a wildcard None state key) state = self.get_success( self.storage.state.get_state_for_event( e5.event_id, StateFilter.from_types([(EventTypes.Name, None)]) ) ) self.assertStateMapEqual({(e2.type, e2.state_key): e2}, state) # check we can grab the m.room.member events (with a wildcard None state key) state = self.get_success( self.storage.state.get_state_for_event( e5.event_id, StateFilter.from_types([(EventTypes.Member, None)]) ) ) self.assertStateMapEqual( {(e3.type, e3.state_key): e3, (e5.type, e5.state_key): e5}, state ) # check we can grab a specific room member without filtering out the # other event types state = self.get_success( self.storage.state.get_state_for_event( e5.event_id, state_filter=StateFilter( types=immutabledict( {EventTypes.Member: frozenset({self.u_alice.to_string()})} ), include_others=True, ), ) ) self.assertStateMapEqual( { (e1.type, e1.state_key): e1, (e2.type, e2.state_key): e2, (e3.type, e3.state_key): e3, }, state, ) # check that we can grab everything except members state = self.get_success( self.storage.state.get_state_for_event( e5.event_id, state_filter=StateFilter( types=immutabledict({EventTypes.Member: frozenset()}), include_others=True, ), ) ) self.assertStateMapEqual( {(e1.type, e1.state_key): e1, (e2.type, e2.state_key): e2}, state ) ####################################################### # _get_state_for_group_using_cache tests against a full cache ####################################################### room_id = self.room.to_string() group_ids = self.get_success( self.storage.state.get_state_groups_ids(room_id, [e5.event_id]) ) group = list(group_ids.keys())[0] # test _get_state_for_group_using_cache correctly filters out members # with 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=immutabledict({EventTypes.Member: frozenset()}), include_others=True, ), ) self.assertEqual(is_all, True) self.assertDictEqual( { (e1.type, e1.state_key): e1.event_id, (e2.type, e2.state_key): e2.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=immutabledict({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 # with wildcard 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=immutabledict({EventTypes.Member: None}), include_others=True ), ) self.assertEqual(is_all, True) self.assertDictEqual( { (e1.type, e1.state_key): e1.event_id, (e2.type, e2.state_key): e2.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=immutabledict({EventTypes.Member: None}), include_others=True ), ) self.assertEqual(is_all, True) self.assertDictEqual( { (e3.type, e3.state_key): e3.event_id, # e4 is overwritten by e5 (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=immutabledict({EventTypes.Member: frozenset({e5.state_key})}), include_others=True, ), ) self.assertEqual(is_all, True) self.assertDictEqual( { (e1.type, e1.state_key): e1.event_id, (e2.type, e2.state_key): e2.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=immutabledict({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_members_cache, group, state_filter=StateFilter( types=immutabledict({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) ####################################################### # deliberately remove e2 (room name) from the _state_group_cache cache_entry = self.state_datastore._state_group_cache.get(group) state_dict_ids = cache_entry.value self.assertEqual(cache_entry.full, True) self.assertEqual(cache_entry.known_absent, set()) self.assertDictEqual( state_dict_ids, { (e1.type, e1.state_key): e1.event_id, (e2.type, e2.state_key): e2.event_id, }, ) state_dict_ids.pop((e2.type, e2.state_key)) self.state_datastore._state_group_cache.invalidate(group) self.state_datastore._state_group_cache.update( sequence=self.state_datastore._state_group_cache.sequence, key=group, value=state_dict_ids, # list fetched keys so it knows it's partial fetched_keys=((e1.type, e1.state_key),), ) cache_entry = self.state_datastore._state_group_cache.get(group) state_dict_ids = cache_entry.value self.assertEqual(cache_entry.full, False) self.assertEqual(cache_entry.known_absent, set()) self.assertDictEqual(state_dict_ids, {}) ############################################ # test that things work with a partial cache # test _get_state_for_group_using_cache correctly filters out members # with types=[] room_id = self.room.to_string() state_dict, is_all = self.state_datastore._get_state_for_group_using_cache( self.state_datastore._state_group_cache, group, state_filter=StateFilter( types=immutabledict({EventTypes.Member: frozenset()}), include_others=True, ), ) self.assertEqual(is_all, False) self.assertDictEqual({}, state_dict) room_id = self.room.to_string() 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=immutabledict({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 state_dict, is_all = self.state_datastore._get_state_for_group_using_cache( self.state_datastore._state_group_cache, group, state_filter=StateFilter( types=immutabledict({EventTypes.Member: None}), include_others=True ), ) 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=immutabledict({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=immutabledict({EventTypes.Member: frozenset({e5.state_key})}), include_others=True, ), ) 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=immutabledict({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=immutabledict({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=immutabledict({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) def test_batched_state_group_storing(self) -> None: creation_event = self.inject_state_event( self.room, self.u_alice, EventTypes.Create, "", {} ) state_to_event = self.get_success( self.storage.state.get_state_groups( self.room.to_string(), [creation_event.event_id] ) ) current_state_group = list(state_to_event.keys())[0] # create some unpersisted events and event contexts to store against room events_and_context = [] builder = self.event_builder_factory.for_room_version( RoomVersions.V1, { "type": EventTypes.Name, "sender": self.u_alice.to_string(), "state_key": "", "room_id": self.room.to_string(), "content": {"name": "first rename of room"}, }, ) event1, unpersisted_context1 = self.get_success( self.event_creation_handler.create_new_client_event(builder) ) events_and_context.append((event1, unpersisted_context1)) builder2 = self.event_builder_factory.for_room_version( RoomVersions.V1, { "type": EventTypes.JoinRules, "sender": self.u_alice.to_string(), "state_key": "", "room_id": self.room.to_string(), "content": {"join_rule": "private"}, }, ) event2, unpersisted_context2 = self.get_success( self.event_creation_handler.create_new_client_event(builder2) ) events_and_context.append((event2, unpersisted_context2)) builder3 = self.event_builder_factory.for_room_version( RoomVersions.V1, { "type": EventTypes.Message, "sender": self.u_alice.to_string(), "room_id": self.room.to_string(), "content": {"body": "hello from event 3", "msgtype": "m.text"}, }, ) event3, unpersisted_context3 = self.get_success( self.event_creation_handler.create_new_client_event(builder3) ) events_and_context.append((event3, unpersisted_context3)) builder4 = self.event_builder_factory.for_room_version( RoomVersions.V1, { "type": EventTypes.JoinRules, "sender": self.u_alice.to_string(), "state_key": "", "room_id": self.room.to_string(), "content": {"join_rule": "public"}, }, ) event4, unpersisted_context4 = self.get_success( self.event_creation_handler.create_new_client_event(builder4) ) events_and_context.append((event4, unpersisted_context4)) processed_events_and_context = self.get_success( self.hs.get_datastores().state.store_state_deltas_for_batched( events_and_context, self.room.to_string(), current_state_group ) ) # check that only state events are in state_groups, and all state events are in state_groups res = self.get_success( self.store.db_pool.simple_select_list( table="state_groups", keyvalues=None, retcols=("event_id",), ) ) events = [] for result in res: self.assertNotIn(event3.event_id, result) events.append(result.get("event_id")) for event, _ in processed_events_and_context: if event.is_state(): self.assertIn(event.event_id, events) # check that each unique state has state group in state_groups_state and that the # type/state key is correct, and check that each state event's state group # has an entry and prev event in state_group_edges for event, context in processed_events_and_context: if event.is_state(): state = self.get_success( self.store.db_pool.simple_select_list( table="state_groups_state", keyvalues={"state_group": context.state_group_after_event}, retcols=("type", "state_key"), ) ) self.assertEqual(event.type, state[0].get("type")) self.assertEqual(event.state_key, state[0].get("state_key")) groups = self.get_success( self.store.db_pool.simple_select_list( table="state_group_edges", keyvalues={"state_group": str(context.state_group_after_event)}, retcols=("*",), ) ) self.assertEqual( context.state_group_before_event, groups[0].get("prev_state_group") )