332 lines
13 KiB
Python
332 lines
13 KiB
Python
# 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 synapse.api.constants import EventTypes, Membership
|
|
from synapse.api.room_versions import RoomVersions
|
|
from synapse.federation.federation_base import event_from_pdu_json
|
|
from synapse.rest import admin
|
|
from synapse.rest.client import login, room
|
|
|
|
from tests.unittest import HomeserverTestCase
|
|
|
|
|
|
class ExtremPruneTestCase(HomeserverTestCase):
|
|
servlets = [
|
|
admin.register_servlets,
|
|
room.register_servlets,
|
|
login.register_servlets,
|
|
]
|
|
|
|
def prepare(self, reactor, clock, homeserver):
|
|
self.state = self.hs.get_state_handler()
|
|
self.persistence = self.hs.get_storage().persistence
|
|
self.store = self.hs.get_datastore()
|
|
|
|
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, state=None):
|
|
"""Persist the event, with optional state"""
|
|
context = self.get_success(
|
|
self.state.compute_event_context(event, old_state=state)
|
|
)
|
|
self.get_success(self.persistence.persist_event(event, context))
|
|
|
|
def assert_extremities(self, expected_extremities):
|
|
"""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):
|
|
"""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": ["$some_unknown_message"],
|
|
"auth_events": [],
|
|
"origin_server_ts": self.clock.time_msec(),
|
|
},
|
|
RoomVersions.V6,
|
|
)
|
|
|
|
state_before_gap = self.get_success(self.state.get_current_state(self.room_id))
|
|
|
|
self.persist_event(remote_event_2, state=state_before_gap.values())
|
|
|
|
# Check the new extremity is just the new remote event.
|
|
self.assert_extremities([remote_event_2.event_id])
|
|
|
|
def test_do_not_prune_gap_if_state_different(self):
|
|
"""Test that we don't prune extremities after a gap if the resolved
|
|
state is different.
|
|
"""
|
|
|
|
# Fudge a second event which points to an event we don't have.
|
|
remote_event_2 = event_from_pdu_json(
|
|
{
|
|
"type": EventTypes.Message,
|
|
"state_key": "@user:other",
|
|
"content": {},
|
|
"room_id": self.room_id,
|
|
"sender": "@user:other",
|
|
"depth": 10,
|
|
"prev_events": ["$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.get_current_state(self.room_id))
|
|
)
|
|
state_before_gap.pop(("m.room.history_visibility", ""))
|
|
|
|
context = self.get_success(
|
|
self.state.compute_event_context(
|
|
remote_event_2, old_state=state_before_gap.values()
|
|
)
|
|
)
|
|
|
|
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):
|
|
"""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": ["$some_unknown_message"],
|
|
"auth_events": [],
|
|
"origin_server_ts": self.clock.time_msec(),
|
|
},
|
|
RoomVersions.V6,
|
|
)
|
|
|
|
state_before_gap = self.get_success(self.state.get_current_state(self.room_id))
|
|
|
|
self.persist_event(remote_event_2, state=state_before_gap.values())
|
|
|
|
# Check the new extremity is just the new remote event.
|
|
self.assert_extremities([remote_event_2.event_id])
|
|
|
|
def test_do_not_prune_gap_if_other_server(self):
|
|
"""Test that we do not drop extremities after a gap when we see an event
|
|
from a different domain.
|
|
"""
|
|
|
|
# Fudge a second event which points to an event we don't have. This is a
|
|
# state event so that the state changes (otherwise we won't prune the
|
|
# extremity as they'll have the same state group).
|
|
remote_event_2 = event_from_pdu_json(
|
|
{
|
|
"type": EventTypes.Member,
|
|
"state_key": "@user:other2",
|
|
"content": {"membership": Membership.JOIN},
|
|
"room_id": self.room_id,
|
|
"sender": "@user:other2",
|
|
"depth": 10,
|
|
"prev_events": ["$some_unknown_message"],
|
|
"auth_events": [],
|
|
"origin_server_ts": self.clock.time_msec(),
|
|
},
|
|
RoomVersions.V6,
|
|
)
|
|
|
|
state_before_gap = self.get_success(self.state.get_current_state(self.room_id))
|
|
|
|
self.persist_event(remote_event_2, state=state_before_gap.values())
|
|
|
|
# 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):
|
|
"""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": ["$some_unknown_message"],
|
|
"auth_events": [],
|
|
"origin_server_ts": self.clock.time_msec(),
|
|
},
|
|
RoomVersions.V6,
|
|
)
|
|
|
|
state_before_gap = self.get_success(self.state.get_current_state(self.room_id))
|
|
|
|
self.persist_event(remote_event_2, state=state_before_gap.values())
|
|
|
|
# Check the new extremity is just the new remote event.
|
|
self.assert_extremities([remote_event_2.event_id])
|
|
|
|
def test_prune_gap_if_dummy_local(self):
|
|
"""Test that we don't drop extremities after a gap when the previous
|
|
extremity is a local dummy event and points to local events.
|
|
"""
|
|
|
|
body = self.helper.send(self.room_id, body="Test", tok=self.token)
|
|
|
|
body = self.helper.send_event(
|
|
self.room_id, type=EventTypes.Dummy, content={}, tok=self.token
|
|
)
|
|
local_message_event_id = body["event_id"]
|
|
self.assert_extremities([local_message_event_id])
|
|
|
|
# Advance the clock for many days to make the old extremity "old". We
|
|
# also set the depth to "lots".
|
|
self.reactor.advance(7 * 24 * 60 * 60)
|
|
|
|
# Fudge a second event which points to an event we don't have. This is a
|
|
# state event so that the state changes (otherwise we won't prune the
|
|
# extremity as they'll have the same state group).
|
|
remote_event_2 = event_from_pdu_json(
|
|
{
|
|
"type": EventTypes.Member,
|
|
"state_key": "@user:other2",
|
|
"content": {"membership": Membership.JOIN},
|
|
"room_id": self.room_id,
|
|
"sender": "@user:other2",
|
|
"depth": 10000,
|
|
"prev_events": ["$some_unknown_message"],
|
|
"auth_events": [],
|
|
"origin_server_ts": self.clock.time_msec(),
|
|
},
|
|
RoomVersions.V6,
|
|
)
|
|
|
|
state_before_gap = self.get_success(self.state.get_current_state(self.room_id))
|
|
|
|
self.persist_event(remote_event_2, state=state_before_gap.values())
|
|
|
|
# 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):
|
|
"""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.get_current_state(self.room_id))
|
|
|
|
self.persist_event(remote_event_2, state=state_before_gap.values())
|
|
|
|
# Check the new extremity is just the new remote event.
|
|
self.assert_extremities([local_message_event_id, remote_event_2.event_id])
|