mirror of
https://github.com/element-hq/synapse.git
synced 2024-11-22 17:46:08 +03:00
9b43df1f7b
If we're missing most of the events in the room state, then we may as well call the /state endpoint, instead of individually requesting each and every event.
225 lines
8.8 KiB
Python
225 lines
8.8 KiB
Python
# Copyright 2022 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 unittest import mock
|
|
|
|
from synapse.events import make_event_from_dict
|
|
from synapse.events.snapshot import EventContext
|
|
from synapse.federation.transport.client import StateRequestResponse
|
|
from synapse.logging.context import LoggingContext
|
|
from synapse.rest import admin
|
|
from synapse.rest.client import login, room
|
|
|
|
from tests import unittest
|
|
from tests.test_utils import event_injection, make_awaitable
|
|
|
|
|
|
class FederationEventHandlerTests(unittest.FederatingHomeserverTestCase):
|
|
servlets = [
|
|
admin.register_servlets,
|
|
login.register_servlets,
|
|
room.register_servlets,
|
|
]
|
|
|
|
def make_homeserver(self, reactor, clock):
|
|
# mock out the federation transport client
|
|
self.mock_federation_transport_client = mock.Mock(
|
|
spec=["get_room_state_ids", "get_room_state", "get_event"]
|
|
)
|
|
return super().setup_test_homeserver(
|
|
federation_transport_client=self.mock_federation_transport_client
|
|
)
|
|
|
|
def test_process_pulled_event_with_missing_state(self) -> None:
|
|
"""Ensure that we correctly handle pulled events with lots of missing state
|
|
|
|
In this test, we pretend we are processing a "pulled" event (eg, via backfill
|
|
or get_missing_events). The pulled event has a prev_event we haven't previously
|
|
seen, so the server requests the state at that prev_event. There is a lot
|
|
of state we don't have, so we expect the server to make a /state request.
|
|
|
|
We check that the pulled event is correctly persisted, and that the state is
|
|
as we expect.
|
|
"""
|
|
return self._test_process_pulled_event_with_missing_state(False)
|
|
|
|
def test_process_pulled_event_with_missing_state_where_prev_is_outlier(
|
|
self,
|
|
) -> None:
|
|
"""Ensure that we correctly handle pulled events with lots of missing state
|
|
|
|
A slight modification to test_process_pulled_event_with_missing_state. Again
|
|
we have a "pulled" event which refers to a prev_event with lots of state,
|
|
but in this case we already have the prev_event (as an outlier, obviously -
|
|
if it were a regular event, we wouldn't need to request the state).
|
|
"""
|
|
return self._test_process_pulled_event_with_missing_state(True)
|
|
|
|
def _test_process_pulled_event_with_missing_state(
|
|
self, prev_exists_as_outlier: bool
|
|
) -> None:
|
|
OTHER_USER = f"@user:{self.OTHER_SERVER_NAME}"
|
|
main_store = self.hs.get_datastores().main
|
|
state_storage = self.hs.get_storage().state
|
|
|
|
# create the room
|
|
user_id = self.register_user("kermit", "test")
|
|
tok = self.login("kermit", "test")
|
|
room_id = self.helper.create_room_as(room_creator=user_id, tok=tok)
|
|
room_version = self.get_success(main_store.get_room_version(room_id))
|
|
|
|
# allow the remote user to send state events
|
|
self.helper.send_state(
|
|
room_id,
|
|
"m.room.power_levels",
|
|
{"events_default": 0, "state_default": 0},
|
|
tok=tok,
|
|
)
|
|
|
|
# add the remote user to the room
|
|
member_event = self.get_success(
|
|
event_injection.inject_member_event(self.hs, room_id, OTHER_USER, "join")
|
|
)
|
|
|
|
initial_state_map = self.get_success(main_store.get_current_state_ids(room_id))
|
|
|
|
auth_event_ids = [
|
|
initial_state_map[("m.room.create", "")],
|
|
initial_state_map[("m.room.power_levels", "")],
|
|
initial_state_map[("m.room.join_rules", "")],
|
|
member_event.event_id,
|
|
]
|
|
|
|
# mock up a load of state events which we are missing
|
|
state_events = [
|
|
make_event_from_dict(
|
|
self.add_hashes_and_signatures(
|
|
{
|
|
"type": "test_state_type",
|
|
"state_key": f"state_{i}",
|
|
"room_id": room_id,
|
|
"sender": OTHER_USER,
|
|
"prev_events": [member_event.event_id],
|
|
"auth_events": auth_event_ids,
|
|
"origin_server_ts": 1,
|
|
"depth": 10,
|
|
"content": {"body": f"state_{i}"},
|
|
}
|
|
),
|
|
room_version,
|
|
)
|
|
for i in range(1, 10)
|
|
]
|
|
|
|
# this is the state that we are going to claim is active at the prev_event.
|
|
state_at_prev_event = state_events + self.get_success(
|
|
main_store.get_events_as_list(initial_state_map.values())
|
|
)
|
|
|
|
# mock up a prev event.
|
|
# Depending on the test, we either persist this upfront (as an outlier),
|
|
# or let the server request it.
|
|
prev_event = make_event_from_dict(
|
|
self.add_hashes_and_signatures(
|
|
{
|
|
"type": "test_regular_type",
|
|
"room_id": room_id,
|
|
"sender": OTHER_USER,
|
|
"prev_events": [],
|
|
"auth_events": auth_event_ids,
|
|
"origin_server_ts": 1,
|
|
"depth": 11,
|
|
"content": {"body": "missing_prev"},
|
|
}
|
|
),
|
|
room_version,
|
|
)
|
|
if prev_exists_as_outlier:
|
|
prev_event.internal_metadata.outlier = True
|
|
persistence = self.hs.get_storage().persistence
|
|
self.get_success(
|
|
persistence.persist_event(prev_event, EventContext.for_outlier())
|
|
)
|
|
else:
|
|
|
|
async def get_event(destination: str, event_id: str, timeout=None):
|
|
self.assertEqual(destination, self.OTHER_SERVER_NAME)
|
|
self.assertEqual(event_id, prev_event.event_id)
|
|
return {"pdus": [prev_event.get_pdu_json()]}
|
|
|
|
self.mock_federation_transport_client.get_event.side_effect = get_event
|
|
|
|
# mock up a regular event to pass into _process_pulled_event
|
|
pulled_event = make_event_from_dict(
|
|
self.add_hashes_and_signatures(
|
|
{
|
|
"type": "test_regular_type",
|
|
"room_id": room_id,
|
|
"sender": OTHER_USER,
|
|
"prev_events": [prev_event.event_id],
|
|
"auth_events": auth_event_ids,
|
|
"origin_server_ts": 1,
|
|
"depth": 12,
|
|
"content": {"body": "pulled"},
|
|
}
|
|
),
|
|
room_version,
|
|
)
|
|
|
|
# we expect an outbound request to /state_ids, so stub that out
|
|
self.mock_federation_transport_client.get_room_state_ids.return_value = (
|
|
make_awaitable(
|
|
{
|
|
"pdu_ids": [e.event_id for e in state_at_prev_event],
|
|
"auth_chain_ids": [],
|
|
}
|
|
)
|
|
)
|
|
|
|
# we also expect an outbound request to /state
|
|
self.mock_federation_transport_client.get_room_state.return_value = (
|
|
make_awaitable(
|
|
StateRequestResponse(auth_events=[], state=state_at_prev_event)
|
|
)
|
|
)
|
|
|
|
# we have to bump the clock a bit, to keep the retry logic in
|
|
# FederationClient.get_pdu happy
|
|
self.reactor.advance(60000)
|
|
|
|
# Finally, the call under test: send the pulled event into _process_pulled_event
|
|
with LoggingContext("test"):
|
|
self.get_success(
|
|
self.hs.get_federation_event_handler()._process_pulled_event(
|
|
self.OTHER_SERVER_NAME, pulled_event, backfilled=False
|
|
)
|
|
)
|
|
|
|
# check that the event is correctly persisted
|
|
persisted = self.get_success(main_store.get_event(pulled_event.event_id))
|
|
self.assertIsNotNone(persisted, "pulled event was not persisted at all")
|
|
self.assertFalse(
|
|
persisted.internal_metadata.is_outlier(), "pulled event was an outlier"
|
|
)
|
|
|
|
# check that the state at that event is as expected
|
|
state = self.get_success(
|
|
state_storage.get_state_ids_for_event(pulled_event.event_id)
|
|
)
|
|
expected_state = {
|
|
(e.type, e.state_key): e.event_id for e in state_at_prev_event
|
|
}
|
|
self.assertEqual(state, expected_state)
|
|
|
|
if prev_exists_as_outlier:
|
|
self.mock_federation_transport_client.get_event.assert_not_called()
|