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synapse/tests/storage/test_state.py

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#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2018-2021 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
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import logging
from typing import List, Tuple, cast
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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
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logger = logging.getLogger(__name__)
class StateStoreTestCase(HomeserverTestCase):
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.store = hs.get_datastores().main
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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(
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RoomVersions.V1,
{
"type": typ,
"sender": sender.to_string(),
"state_key": state_key,
"room_id": room.to_string(),
"content": content,
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},
)
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:
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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]
)
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)
self.assertEqual(len(state_group_map), 1)
state_map = list(state_group_map.values())[0]
self.assertDictEqual(
state_map,
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{(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])
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)
self.assertEqual(len(state_group_map), 1)
state_list = list(state_group_map.values())[0]
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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(
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self.room,
self.u_alice,
EventTypes.Member,
self.u_alice.to_string(),
{"membership": Membership.JOIN},
)
e4 = self.inject_state_event(
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self.room,
self.u_bob,
EventTypes.Member,
self.u_bob.to_string(),
{"membership": Membership.JOIN},
)
e5 = self.inject_state_event(
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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))
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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
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(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, "")])
)
)
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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)])
)
)
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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)])
)
)
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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,
),
)
)
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self.assertStateMapEqual(
{
(e1.type, e1.state_key): e1,
(e2.type, e2.state_key): e2,
(e3.type, e3.state_key): e3,
},
state,
)
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# 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,
),
)
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)
self.assertStateMapEqual(
{(e1.type, e1.state_key): e1, (e2.type, e2.state_key): e2}, state
)
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#######################################################
# _get_state_for_group_using_cache tests against a full cache
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#######################################################
room_id = self.room.to_string()
group_ids = self.get_success(
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]
# 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(
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self.state_datastore._state_group_cache,
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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(
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self.state_datastore._state_group_members_cache,
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group,
state_filter=StateFilter(
types=immutabledict({EventTypes.Member: frozenset()}),
include_others=True,
),
)
self.assertEqual(is_all, True)
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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(
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self.state_datastore._state_group_cache,
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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(
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self.state_datastore._state_group_members_cache,
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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(
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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(
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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)
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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(
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self.state_datastore._state_group_members_cache,
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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))
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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
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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, {})
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############################################
# 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(
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self.state_datastore._state_group_cache,
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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(
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self.state_datastore._state_group_members_cache,
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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(
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self.state_datastore._state_group_cache,
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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(
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self.state_datastore._state_group_members_cache,
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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(
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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(
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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)
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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(
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self.state_datastore._state_group_cache,
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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(
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self.state_datastore._state_group_members_cache,
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group,
state_filter=StateFilter(
types=immutabledict({EventTypes.Member: frozenset({e5.state_key})}),
include_others=False,
),
)
self.assertEqual(is_all, True)
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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 = cast(
List[Tuple[str]],
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) # XXX
events.append(result[0])
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 = cast(
List[Tuple[str, str]],
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][0])
self.assertEqual(event.state_key, state[0][1])
groups = cast(
List[Tuple[str]],
self.get_success(
self.store.db_pool.simple_select_list(
table="state_group_edges",
keyvalues={
"state_group": str(context.state_group_after_event)
},
retcols=("prev_state_group",),
)
),
)
self.assertEqual(context.state_group_before_event, groups[0][0])