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watcha-synapse/tests/storage/test_state.py

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# -*- coding: utf-8 -*-
# Copyright 2018 New Vector Ltd
#
# 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 twisted.internet import defer
from synapse.api.constants import EventTypes, Membership
from synapse.types import RoomID, UserID
import tests.unittest
import tests.utils
logger = logging.getLogger(__name__)
class StateStoreTestCase(tests.unittest.TestCase):
def __init__(self, *args, **kwargs):
super(StateStoreTestCase, self).__init__(*args, **kwargs)
self.store = None # type: synapse.storage.DataStore
@defer.inlineCallbacks
def setUp(self):
hs = yield tests.utils.setup_test_homeserver(self.addCleanup)
self.store = hs.get_datastore()
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")
yield self.store.store_room(
self.room.to_string(), room_creator_user_id="@creator:text", is_public=True
)
@defer.inlineCallbacks
def inject_state_event(self, room, sender, typ, state_key, content):
builder = self.event_builder_factory.new(
{
"type": typ,
"sender": sender.to_string(),
"state_key": state_key,
"room_id": room.to_string(),
"content": content,
}
)
event, context = yield self.event_creation_handler.create_new_client_event(
builder
)
yield self.store.persist_event(event, context)
defer.returnValue(event)
def assertStateMapEqual(self, s1, s2):
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))
@defer.inlineCallbacks
def test_get_state_groups_ids(self):
e1 = yield self.inject_state_event(
self.room, self.u_alice, EventTypes.Create, '', {}
)
e2 = yield self.inject_state_event(
self.room, self.u_alice, EventTypes.Name, '', {"name": "test room"}
)
state_group_map = yield self.store.get_state_groups_ids(self.room, [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,
},
)
@defer.inlineCallbacks
def test_get_state_groups(self):
e1 = yield self.inject_state_event(
self.room, self.u_alice, EventTypes.Create, '', {}
)
e2 = yield self.inject_state_event(
self.room, self.u_alice, EventTypes.Name, '', {"name": "test room"}
)
state_group_map = yield self.store.get_state_groups(
self.room, [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},
)
@defer.inlineCallbacks
def test_get_state_for_event(self):
# this defaults to a linear DAG as each new injection defaults to whatever
# forward extremities are currently in the DB for this room.
e1 = yield self.inject_state_event(
self.room, self.u_alice, EventTypes.Create, '', {}
)
e2 = yield self.inject_state_event(
self.room, self.u_alice, EventTypes.Name, '', {"name": "test room"}
)
e3 = yield self.inject_state_event(
self.room,
self.u_alice,
EventTypes.Member,
self.u_alice.to_string(),
{"membership": Membership.JOIN},
)
e4 = yield self.inject_state_event(
self.room,
self.u_bob,
EventTypes.Member,
self.u_bob.to_string(),
{"membership": Membership.JOIN},
)
e5 = yield 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 = yield self.store.get_state_for_event(
e5.event_id, None, filtered_types=None
)
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 = yield self.store.get_state_for_event(
e5.event_id, [(EventTypes.Name, '')], filtered_types=None
)
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 = yield self.store.get_state_for_event(
e5.event_id, [(EventTypes.Name, None)], filtered_types=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 = yield self.store.get_state_for_event(
e5.event_id, [(EventTypes.Member, None)], filtered_types=None
)
self.assertStateMapEqual(
{(e3.type, e3.state_key): e3, (e5.type, e5.state_key): e5}, state
)
# check we can use filtered_types to grab a specific room member
# without filtering out the other event types
state = yield self.store.get_state_for_event(
e5.event_id,
[(EventTypes.Member, self.u_alice.to_string())],
filtered_types=[EventTypes.Member],
)
self.assertStateMapEqual(
{
(e1.type, e1.state_key): e1,
(e2.type, e2.state_key): e2,
(e3.type, e3.state_key): e3,
},
state,
)
# check that types=[], filtered_types=[EventTypes.Member]
# doesn't return all members
state = yield self.store.get_state_for_event(
e5.event_id, [], filtered_types=[EventTypes.Member]
)
self.assertStateMapEqual(
{(e1.type, e1.state_key): e1, (e2.type, e2.state_key): e2}, state
)
#######################################################
# _get_some_state_from_cache tests against a full cache
#######################################################
room_id = self.room.to_string()
group_ids = yield self.store.get_state_groups_ids(room_id, [e5.event_id])
group = list(group_ids.keys())[0]
# test _get_some_state_from_cache correctly filters out members with types=[]
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_cache, group, [], filtered_types=[EventTypes.Member]
)
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) = yield self.store._get_some_state_from_cache(
self.store._state_group_members_cache,
group,
[],
filtered_types=[EventTypes.Member],
)
self.assertEqual(is_all, True)
self.assertDictEqual({}, state_dict)
# test _get_some_state_from_cache correctly filters in members with wildcard types
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_cache,
group,
[(EventTypes.Member, None)],
filtered_types=[EventTypes.Member],
)
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) = yield self.store._get_some_state_from_cache(
self.store._state_group_members_cache,
group,
[(EventTypes.Member, None)],
filtered_types=[EventTypes.Member],
)
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_some_state_from_cache correctly filters in members with specific types
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_cache,
group,
[(EventTypes.Member, e5.state_key)],
filtered_types=[EventTypes.Member],
)
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) = yield self.store._get_some_state_from_cache(
self.store._state_group_members_cache,
group,
[(EventTypes.Member, e5.state_key)],
filtered_types=[EventTypes.Member],
)
self.assertEqual(is_all, True)
self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
# test _get_some_state_from_cache correctly filters in members with specific types
# and no filtered_types
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_members_cache,
group,
[(EventTypes.Member, e5.state_key)],
filtered_types=None,
)
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
(is_all, known_absent, state_dict_ids) = self.store._state_group_cache.get(
group
)
self.assertEqual(is_all, True)
self.assertEqual(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.store._state_group_cache.invalidate(group)
self.store._state_group_cache.update(
sequence=self.store._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),),
)
(is_all, known_absent, state_dict_ids) = self.store._state_group_cache.get(
group
)
self.assertEqual(is_all, False)
self.assertEqual(known_absent, set([(e1.type, e1.state_key)]))
self.assertDictEqual(state_dict_ids, {(e1.type, e1.state_key): e1.event_id})
############################################
# test that things work with a partial cache
# test _get_some_state_from_cache correctly filters out members with types=[]
room_id = self.room.to_string()
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_cache, group, [], filtered_types=[EventTypes.Member]
)
self.assertEqual(is_all, False)
self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
room_id = self.room.to_string()
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_members_cache,
group,
[],
filtered_types=[EventTypes.Member],
)
self.assertEqual(is_all, True)
self.assertDictEqual({}, state_dict)
# test _get_some_state_from_cache correctly filters in members wildcard types
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_cache,
group,
[(EventTypes.Member, None)],
filtered_types=[EventTypes.Member],
)
self.assertEqual(is_all, False)
self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_members_cache,
group,
[(EventTypes.Member, None)],
filtered_types=[EventTypes.Member],
)
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_some_state_from_cache correctly filters in members with specific types
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_cache,
group,
[(EventTypes.Member, e5.state_key)],
filtered_types=[EventTypes.Member],
)
self.assertEqual(is_all, False)
self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_members_cache,
group,
[(EventTypes.Member, e5.state_key)],
filtered_types=[EventTypes.Member],
)
self.assertEqual(is_all, True)
self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
# test _get_some_state_from_cache correctly filters in members with specific types
# and no filtered_types
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_cache,
group,
[(EventTypes.Member, e5.state_key)],
filtered_types=None,
)
self.assertEqual(is_all, False)
self.assertDictEqual({}, state_dict)
(state_dict, is_all) = yield self.store._get_some_state_from_cache(
self.store._state_group_members_cache,
group,
[(EventTypes.Member, e5.state_key)],
filtered_types=None,
)
self.assertEqual(is_all, True)
self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)