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397 lines
14 KiB
Python
397 lines
14 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import os.path
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from unittest.mock import Mock, patch
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from twisted.test.proto_helpers import MemoryReactor
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import synapse.rest.admin
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from synapse.api.constants import EventTypes
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from synapse.rest.client import login, room
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from synapse.server import HomeServer
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from synapse.storage import prepare_database
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from synapse.storage.types import Cursor
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from synapse.types import UserID, create_requester
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from synapse.util import Clock
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from tests.unittest import HomeserverTestCase
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class CleanupExtremBackgroundUpdateStoreTestCase(HomeserverTestCase):
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"""
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Test the background update to clean forward extremities table.
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"""
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def prepare(
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self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
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) -> None:
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self.store = homeserver.get_datastores().main
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self.room_creator = homeserver.get_room_creation_handler()
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# Create a test user and room
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self.user = UserID("alice", "test")
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self.requester = create_requester(self.user)
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self.room_id, _, _ = self.get_success(
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self.room_creator.create_room(self.requester, {})
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)
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def run_background_update(self) -> None:
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"""Re run the background update to clean up the extremities."""
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# Make sure we don't clash with in progress updates.
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self.assertTrue(
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self.store.db_pool.updates._all_done, "Background updates are still ongoing"
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)
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schema_path = os.path.join(
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prepare_database.schema_path,
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"main",
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"delta",
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"54",
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"delete_forward_extremities.sql",
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)
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def run_delta_file(txn: Cursor) -> None:
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prepare_database.executescript(txn, schema_path)
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self.get_success(
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self.store.db_pool.runInteraction(
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"test_delete_forward_extremities", run_delta_file
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)
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)
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# Ugh, have to reset this flag
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self.store.db_pool.updates._all_done = False
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self.wait_for_background_updates()
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def add_extremity(self, room_id: str, event_id: str) -> None:
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"""
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Add the given event as an extremity to the room.
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"""
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self.get_success(
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self.hs.get_datastores().main.db_pool.simple_insert(
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table="event_forward_extremities",
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values={"room_id": room_id, "event_id": event_id},
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desc="test_add_extremity",
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)
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)
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self.hs.get_datastores().main.get_latest_event_ids_in_room.invalidate(
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(room_id,)
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)
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def test_soft_failed_extremities_handled_correctly(self) -> None:
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"""Test that extremities are correctly calculated in the presence of
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soft failed events.
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Tests a graph like:
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A <- SF1 <- SF2 <- B
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Where SF* are soft failed.
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"""
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# Create the room graph
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event_id_1 = self.create_and_send_event(self.room_id, self.user)
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event_id_2 = self.create_and_send_event(
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self.room_id, self.user, True, [event_id_1]
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)
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event_id_3 = self.create_and_send_event(
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self.room_id, self.user, True, [event_id_2]
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)
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event_id_4 = self.create_and_send_event(
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self.room_id, self.user, False, [event_id_3]
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)
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# Check the latest events are as expected
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertEqual(latest_event_ids, {event_id_4})
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def test_basic_cleanup(self) -> None:
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"""Test that extremities are correctly calculated in the presence of
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soft failed events.
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Tests a graph like:
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A <- SF1 <- B
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Where SF* are soft failed, and with extremities of A and B
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"""
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# Create the room graph
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event_id_a = self.create_and_send_event(self.room_id, self.user)
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event_id_sf1 = self.create_and_send_event(
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self.room_id, self.user, True, [event_id_a]
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)
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event_id_b = self.create_and_send_event(
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self.room_id, self.user, False, [event_id_sf1]
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)
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# Add the new extremity and check the latest events are as expected
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self.add_extremity(self.room_id, event_id_a)
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertEqual(latest_event_ids, {event_id_a, event_id_b})
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# Run the background update and check it did the right thing
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self.run_background_update()
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertEqual(latest_event_ids, {event_id_b})
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def test_chain_of_fail_cleanup(self) -> None:
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"""Test that extremities are correctly calculated in the presence of
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soft failed events.
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Tests a graph like:
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A <- SF1 <- SF2 <- B
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Where SF* are soft failed, and with extremities of A and B
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"""
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# Create the room graph
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event_id_a = self.create_and_send_event(self.room_id, self.user)
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event_id_sf1 = self.create_and_send_event(
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self.room_id, self.user, True, [event_id_a]
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)
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event_id_sf2 = self.create_and_send_event(
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self.room_id, self.user, True, [event_id_sf1]
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)
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event_id_b = self.create_and_send_event(
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self.room_id, self.user, False, [event_id_sf2]
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)
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# Add the new extremity and check the latest events are as expected
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self.add_extremity(self.room_id, event_id_a)
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertEqual(latest_event_ids, {event_id_a, event_id_b})
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# Run the background update and check it did the right thing
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self.run_background_update()
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertEqual(latest_event_ids, {event_id_b})
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def test_forked_graph_cleanup(self) -> None:
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r"""Test that extremities are correctly calculated in the presence of
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soft failed events.
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Tests a graph like, where time flows down the page:
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A B
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/ \ /
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/ \ /
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SF1 SF2
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SF3 |
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/ \ |
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| \ |
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C SF4
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Where SF* are soft failed, and with them A, B and C marked as
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extremities. This should resolve to B and C being marked as extremity.
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"""
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# Create the room graph
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event_id_a = self.create_and_send_event(self.room_id, self.user)
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event_id_b = self.create_and_send_event(self.room_id, self.user)
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event_id_sf1 = self.create_and_send_event(
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self.room_id, self.user, True, [event_id_a]
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)
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event_id_sf2 = self.create_and_send_event(
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self.room_id, self.user, True, [event_id_a, event_id_b]
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)
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event_id_sf3 = self.create_and_send_event(
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self.room_id, self.user, True, [event_id_sf1]
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)
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self.create_and_send_event(
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self.room_id, self.user, True, [event_id_sf2, event_id_sf3]
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) # SF4
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event_id_c = self.create_and_send_event(
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self.room_id, self.user, False, [event_id_sf3]
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)
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# Add the new extremity and check the latest events are as expected
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self.add_extremity(self.room_id, event_id_a)
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertEqual(latest_event_ids, {event_id_a, event_id_b, event_id_c})
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# Run the background update and check it did the right thing
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self.run_background_update()
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertEqual(latest_event_ids, {event_id_b, event_id_c})
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class CleanupExtremDummyEventsTestCase(HomeserverTestCase):
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CONSENT_VERSION = "1"
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EXTREMITIES_COUNT = 50
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servlets = [
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synapse.rest.admin.register_servlets_for_client_rest_resource,
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login.register_servlets,
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room.register_servlets,
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]
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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config = self.default_config()
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config["cleanup_extremities_with_dummy_events"] = True
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return self.setup_test_homeserver(config=config)
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def prepare(
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self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
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) -> None:
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self.store = homeserver.get_datastores().main
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self.room_creator = homeserver.get_room_creation_handler()
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self.event_creator_handler = homeserver.get_event_creation_handler()
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# Create a test user and room
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self.user = UserID.from_string(self.register_user("user1", "password"))
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self.token1 = self.login("user1", "password")
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self.requester = create_requester(self.user)
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self.room_id, _, _ = self.get_success(
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self.room_creator.create_room(self.requester, {"visibility": "public"})
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)
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self.event_creator = homeserver.get_event_creation_handler()
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homeserver.config.consent.user_consent_version = self.CONSENT_VERSION
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def test_send_dummy_event(self) -> None:
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self._create_extremity_rich_graph()
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# Pump the reactor repeatedly so that the background updates have a
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# chance to run.
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self.pump(20)
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertTrue(len(latest_event_ids) < 10, len(latest_event_ids))
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@patch("synapse.handlers.message._DUMMY_EVENT_ROOM_EXCLUSION_EXPIRY", new=0)
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def test_send_dummy_events_when_insufficient_power(self) -> None:
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self._create_extremity_rich_graph()
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# Criple power levels
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self.helper.send_state(
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self.room_id,
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EventTypes.PowerLevels,
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body={"users": {str(self.user): -1}},
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tok=self.token1,
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)
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# Pump the reactor repeatedly so that the background updates have a
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# chance to run.
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self.pump(10 * 60)
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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# Check that the room has not been pruned
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self.assertTrue(len(latest_event_ids) > 10)
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# New user with regular levels
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user2 = self.register_user("user2", "password")
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token2 = self.login("user2", "password")
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self.helper.join(self.room_id, user2, tok=token2)
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self.pump(10 * 60)
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertTrue(len(latest_event_ids) < 10, len(latest_event_ids))
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@patch("synapse.handlers.message._DUMMY_EVENT_ROOM_EXCLUSION_EXPIRY", new=250)
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def test_expiry_logic(self) -> None:
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"""Simple test to ensure that _expire_rooms_to_exclude_from_dummy_event_insertion()
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expires old entries correctly.
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"""
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self.event_creator_handler._rooms_to_exclude_from_dummy_event_insertion["1"] = (
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100000
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)
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self.event_creator_handler._rooms_to_exclude_from_dummy_event_insertion["2"] = (
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200000
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)
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self.event_creator_handler._rooms_to_exclude_from_dummy_event_insertion["3"] = (
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300000
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)
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self.event_creator_handler._expire_rooms_to_exclude_from_dummy_event_insertion()
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# All entries within time frame
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self.assertEqual(
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len(
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self.event_creator_handler._rooms_to_exclude_from_dummy_event_insertion
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),
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3,
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)
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# Oldest room to expire
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self.pump(1.01)
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self.event_creator_handler._expire_rooms_to_exclude_from_dummy_event_insertion()
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self.assertEqual(
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len(
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self.event_creator_handler._rooms_to_exclude_from_dummy_event_insertion
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),
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2,
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)
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# All rooms to expire
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self.pump(2)
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self.assertEqual(
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len(
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self.event_creator_handler._rooms_to_exclude_from_dummy_event_insertion
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),
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0,
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)
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def _create_extremity_rich_graph(self) -> None:
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"""Helper method to create bushy graph on demand"""
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event_id_start = self.create_and_send_event(self.room_id, self.user)
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for _ in range(self.EXTREMITIES_COUNT):
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self.create_and_send_event(
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self.room_id, self.user, prev_event_ids=[event_id_start]
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)
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latest_event_ids = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)
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self.assertEqual(len(latest_event_ids), 50)
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def _enable_consent_checking(self) -> None:
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"""Helper method to enable consent checking"""
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self.event_creator._block_events_without_consent_error = "No consent from user"
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consent_uri_builder = Mock()
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consent_uri_builder.build_user_consent_uri.return_value = "http://example.com"
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self.event_creator._consent_uri_builder = consent_uri_builder
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