MatrixSynapse/tests/storage/test_events.py

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# Copyright 2020 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.
from typing import List, Optional
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.federation.federation_base import event_from_pdu_json
from synapse.rest import admin
from synapse.rest.client import login, room
from synapse.server import HomeServer
from synapse.types import StateMap
from synapse.util import Clock
from tests.unittest import HomeserverTestCase
class ExtremPruneTestCase(HomeserverTestCase):
servlets = [
admin.register_servlets,
room.register_servlets,
login.register_servlets,
]
def prepare(
self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
) -> None:
self.state = self.hs.get_state_handler()
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self._persistence = self.hs.get_storage_controllers().persistence
self._state_storage_controller = self.hs.get_storage_controllers().state
self.store = self.hs.get_datastores().main
self.register_user("user", "pass")
self.token = self.login("user", "pass")
self.room_id = self.helper.create_room_as(
"user", room_version=RoomVersions.V6.identifier, tok=self.token
)
body = self.helper.send(self.room_id, body="Test", tok=self.token)
local_message_event_id = body["event_id"]
# Fudge a remote event and persist it. This will be the extremity before
# the gap.
self.remote_event_1 = event_from_pdu_json(
{
"type": EventTypes.Message,
"state_key": "@user:other",
"content": {},
"room_id": self.room_id,
"sender": "@user:other",
"depth": 5,
"prev_events": [local_message_event_id],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
self.persist_event(self.remote_event_1)
# Check that the current extremities is the remote event.
self.assert_extremities([self.remote_event_1.event_id])
def persist_event(
self, event: EventBase, state: Optional[StateMap[str]] = None
) -> None:
"""Persist the event, with optional state"""
context = self.get_success(
self.state.compute_event_context(
event,
state_ids_before_event=state,
partial_state=None if state is None else False,
)
)
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self.get_success(self._persistence.persist_event(event, context))
def assert_extremities(self, expected_extremities: List[str]) -> None:
"""Assert the current extremities for the room"""
extremities = self.get_success(
self.store.get_prev_events_for_room(self.room_id)
)
self.assertCountEqual(extremities, expected_extremities)
def test_prune_gap(self) -> None:
"""Test that we drop extremities after a gap when we see an event from
the same domain.
"""
# Fudge a second event which points to an event we don't have. This is a
# state event so that the state changes (otherwise we won't prune the
# extremity as they'll have the same state group).
remote_event_2 = event_from_pdu_json(
{
"type": EventTypes.Member,
"state_key": "@user:other",
"content": {"membership": Membership.JOIN},
"room_id": self.room_id,
"sender": "@user:other",
"depth": 50,
"prev_events": ["$some_unknown_message"],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
state_before_gap = self.get_success(
self._state_storage_controller.get_current_state_ids(self.room_id)
)
self.persist_event(remote_event_2, state=state_before_gap)
# Check the new extremity is just the new remote event.
self.assert_extremities([remote_event_2.event_id])
def test_do_not_prune_gap_if_state_different(self) -> None:
"""Test that we don't prune extremities after a gap if the resolved
state is different.
"""
# Fudge a second event which points to an event we don't have.
remote_event_2 = event_from_pdu_json(
{
"type": EventTypes.Message,
"state_key": "@user:other",
"content": {},
"room_id": self.room_id,
"sender": "@user:other",
"depth": 10,
"prev_events": ["$some_unknown_message"],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
# Now we persist it with state with a dropped history visibility
# setting. The state resolution across the old and new event will then
# include it, and so the resolved state won't match the new state.
state_before_gap = dict(
self.get_success(
self._state_storage_controller.get_current_state_ids(self.room_id)
)
)
state_before_gap.pop(("m.room.history_visibility", ""))
context = self.get_success(
self.state.compute_event_context(
remote_event_2,
state_ids_before_event=state_before_gap,
partial_state=False,
)
)
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self.get_success(self._persistence.persist_event(remote_event_2, context))
# Check that we haven't dropped the old extremity.
self.assert_extremities([self.remote_event_1.event_id, remote_event_2.event_id])
def test_prune_gap_if_old(self) -> None:
"""Test that we drop extremities after a gap when the previous extremity
is "old"
"""
# Advance the clock for many days to make the old extremity "old". We
# also set the depth to "lots".
self.reactor.advance(7 * 24 * 60 * 60)
# Fudge a second event which points to an event we don't have. This is a
# state event so that the state changes (otherwise we won't prune the
# extremity as they'll have the same state group).
remote_event_2 = event_from_pdu_json(
{
"type": EventTypes.Member,
"state_key": "@user:other2",
"content": {"membership": Membership.JOIN},
"room_id": self.room_id,
"sender": "@user:other2",
"depth": 10000,
"prev_events": ["$some_unknown_message"],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
state_before_gap = self.get_success(
self._state_storage_controller.get_current_state_ids(self.room_id)
)
self.persist_event(remote_event_2, state=state_before_gap)
# Check the new extremity is just the new remote event.
self.assert_extremities([remote_event_2.event_id])
def test_do_not_prune_gap_if_other_server(self) -> None:
"""Test that we do not drop extremities after a gap when we see an event
from a different domain.
"""
# Fudge a second event which points to an event we don't have. This is a
# state event so that the state changes (otherwise we won't prune the
# extremity as they'll have the same state group).
remote_event_2 = event_from_pdu_json(
{
"type": EventTypes.Member,
"state_key": "@user:other2",
"content": {"membership": Membership.JOIN},
"room_id": self.room_id,
"sender": "@user:other2",
"depth": 10,
"prev_events": ["$some_unknown_message"],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
state_before_gap = self.get_success(
self._state_storage_controller.get_current_state_ids(self.room_id)
)
self.persist_event(remote_event_2, state=state_before_gap)
# Check the new extremity is just the new remote event.
self.assert_extremities([self.remote_event_1.event_id, remote_event_2.event_id])
def test_prune_gap_if_dummy_remote(self) -> None:
"""Test that we drop extremities after a gap when the previous extremity
is a local dummy event and only points to remote events.
"""
body = self.helper.send_event(
self.room_id, type=EventTypes.Dummy, content={}, tok=self.token
)
local_message_event_id = body["event_id"]
self.assert_extremities([local_message_event_id])
# Advance the clock for many days to make the old extremity "old". We
# also set the depth to "lots".
self.reactor.advance(7 * 24 * 60 * 60)
# Fudge a second event which points to an event we don't have. This is a
# state event so that the state changes (otherwise we won't prune the
# extremity as they'll have the same state group).
remote_event_2 = event_from_pdu_json(
{
"type": EventTypes.Member,
"state_key": "@user:other2",
"content": {"membership": Membership.JOIN},
"room_id": self.room_id,
"sender": "@user:other2",
"depth": 10000,
"prev_events": ["$some_unknown_message"],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
state_before_gap = self.get_success(
self._state_storage_controller.get_current_state_ids(self.room_id)
)
self.persist_event(remote_event_2, state=state_before_gap)
# Check the new extremity is just the new remote event.
self.assert_extremities([remote_event_2.event_id])
def test_prune_gap_if_dummy_local(self) -> None:
"""Test that we don't drop extremities after a gap when the previous
extremity is a local dummy event and points to local events.
"""
body = self.helper.send(self.room_id, body="Test", tok=self.token)
body = self.helper.send_event(
self.room_id, type=EventTypes.Dummy, content={}, tok=self.token
)
local_message_event_id = body["event_id"]
self.assert_extremities([local_message_event_id])
# Advance the clock for many days to make the old extremity "old". We
# also set the depth to "lots".
self.reactor.advance(7 * 24 * 60 * 60)
# Fudge a second event which points to an event we don't have. This is a
# state event so that the state changes (otherwise we won't prune the
# extremity as they'll have the same state group).
remote_event_2 = event_from_pdu_json(
{
"type": EventTypes.Member,
"state_key": "@user:other2",
"content": {"membership": Membership.JOIN},
"room_id": self.room_id,
"sender": "@user:other2",
"depth": 10000,
"prev_events": ["$some_unknown_message"],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
state_before_gap = self.get_success(
self._state_storage_controller.get_current_state_ids(self.room_id)
)
self.persist_event(remote_event_2, state=state_before_gap)
# Check the new extremity is just the new remote event.
self.assert_extremities([remote_event_2.event_id, local_message_event_id])
def test_do_not_prune_gap_if_not_dummy(self) -> None:
"""Test that we do not drop extremities after a gap when the previous extremity
is not a dummy event.
"""
body = self.helper.send(self.room_id, body="test", tok=self.token)
local_message_event_id = body["event_id"]
self.assert_extremities([local_message_event_id])
# Fudge a second event which points to an event we don't have. This is a
# state event so that the state changes (otherwise we won't prune the
# extremity as they'll have the same state group).
remote_event_2 = event_from_pdu_json(
{
"type": EventTypes.Member,
"state_key": "@user:other2",
"content": {"membership": Membership.JOIN},
"room_id": self.room_id,
"sender": "@user:other2",
"depth": 10000,
"prev_events": ["$some_unknown_message"],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
state_before_gap = self.get_success(
self._state_storage_controller.get_current_state_ids(self.room_id)
)
self.persist_event(remote_event_2, state=state_before_gap)
# Check the new extremity is just the new remote event.
self.assert_extremities([local_message_event_id, remote_event_2.event_id])
class InvalideUsersInRoomCacheTestCase(HomeserverTestCase):
servlets = [
admin.register_servlets,
room.register_servlets,
login.register_servlets,
]
def prepare(
self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
) -> None:
self.state = self.hs.get_state_handler()
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self._persistence = self.hs.get_storage_controllers().persistence
self.store = self.hs.get_datastores().main
def test_remote_user_rooms_cache_invalidated(self) -> None:
"""Test that if the server leaves a room the `get_rooms_for_user` cache
is invalidated for remote users.
"""
# Set up a room with a local and remote user in it.
user_id = self.register_user("user", "pass")
token = self.login("user", "pass")
room_id = self.helper.create_room_as(
"user", room_version=RoomVersions.V6.identifier, tok=token
)
body = self.helper.send(room_id, body="Test", tok=token)
local_message_event_id = body["event_id"]
# Fudge a join event for a remote user.
remote_user = "@user:other"
remote_event_1 = event_from_pdu_json(
{
"type": EventTypes.Member,
"state_key": remote_user,
"content": {"membership": Membership.JOIN},
"room_id": room_id,
"sender": remote_user,
"depth": 5,
"prev_events": [local_message_event_id],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
context = self.get_success(self.state.compute_event_context(remote_event_1))
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self.get_success(self._persistence.persist_event(remote_event_1, context))
# Call `get_rooms_for_user` to add the remote user to the cache
rooms = self.get_success(self.store.get_rooms_for_user(remote_user))
self.assertEqual(set(rooms), {room_id})
# Now we have the local server leave the room, and check that calling
# `get_user_in_room` for the remote user no longer includes the room.
self.helper.leave(room_id, user_id, tok=token)
rooms = self.get_success(self.store.get_rooms_for_user(remote_user))
self.assertEqual(set(rooms), set())
def test_room_remote_user_cache_invalidated(self) -> None:
"""Test that if the server leaves a room the `get_users_in_room` cache
is invalidated for remote users.
"""
# Set up a room with a local and remote user in it.
user_id = self.register_user("user", "pass")
token = self.login("user", "pass")
room_id = self.helper.create_room_as(
"user", room_version=RoomVersions.V6.identifier, tok=token
)
body = self.helper.send(room_id, body="Test", tok=token)
local_message_event_id = body["event_id"]
# Fudge a join event for a remote user.
remote_user = "@user:other"
remote_event_1 = event_from_pdu_json(
{
"type": EventTypes.Member,
"state_key": remote_user,
"content": {"membership": Membership.JOIN},
"room_id": room_id,
"sender": remote_user,
"depth": 5,
"prev_events": [local_message_event_id],
"auth_events": [],
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V6,
)
context = self.get_success(self.state.compute_event_context(remote_event_1))
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self.get_success(self._persistence.persist_event(remote_event_1, context))
# Call `get_users_in_room` to add the remote user to the cache
users = self.get_success(self.store.get_users_in_room(room_id))
self.assertEqual(set(users), {user_id, remote_user})
# Now we have the local server leave the room, and check that calling
# `get_user_in_room` for the remote user no longer includes the room.
self.helper.leave(room_id, user_id, tok=token)
users = self.get_success(self.store.get_users_in_room(room_id))
self.assertEqual(users, [])