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During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
333 lines
12 KiB
Python
333 lines
12 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 2020 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 logging
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from unittest.mock import patch
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.rest import admin
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from synapse.rest.client import login, room, sync
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from synapse.server import HomeServer
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from synapse.storage.util.id_generators import MultiWriterIdGenerator
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from synapse.util import Clock
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from tests.replication._base import BaseMultiWorkerStreamTestCase
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from tests.server import make_request
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logger = logging.getLogger(__name__)
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class EventPersisterShardTestCase(BaseMultiWorkerStreamTestCase):
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"""Checks event persisting sharding works"""
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servlets = [
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admin.register_servlets_for_client_rest_resource,
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room.register_servlets,
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login.register_servlets,
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sync.register_servlets,
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]
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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# Register a user who sends a message that we'll get notified about
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self.other_user_id = self.register_user("otheruser", "pass")
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self.other_access_token = self.login("otheruser", "pass")
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self.room_creator = self.hs.get_room_creation_handler()
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self.store = hs.get_datastores().main
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def default_config(self) -> dict:
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conf = super().default_config()
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conf["stream_writers"] = {"events": ["worker1", "worker2"]}
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conf["instance_map"] = {
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"main": {"host": "testserv", "port": 8765},
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"worker1": {"host": "testserv", "port": 1001},
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"worker2": {"host": "testserv", "port": 1002},
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}
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return conf
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def _create_room(self, room_id: str, user_id: str, tok: str) -> None:
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"""Create a room with given room_id"""
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# We control the room ID generation by patching out the
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# `_generate_room_id` method
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with patch(
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"synapse.handlers.room.RoomCreationHandler._generate_room_id"
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) as mock:
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mock.side_effect = lambda: room_id
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self.helper.create_room_as(user_id, tok=tok)
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def test_basic(self) -> None:
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"""Simple test to ensure that multiple rooms can be created and joined,
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and that different rooms get handled by different instances.
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"""
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self.make_worker_hs(
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"synapse.app.generic_worker",
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{"worker_name": "worker1"},
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)
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self.make_worker_hs(
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"synapse.app.generic_worker",
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{"worker_name": "worker2"},
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)
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persisted_on_1 = False
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persisted_on_2 = False
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store = self.hs.get_datastores().main
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user_id = self.register_user("user", "pass")
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access_token = self.login("user", "pass")
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# Keep making new rooms until we see rooms being persisted on both
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# workers.
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for _ in range(10):
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# Create a room
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room = self.helper.create_room_as(user_id, tok=access_token)
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# The other user joins
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self.helper.join(
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room=room, user=self.other_user_id, tok=self.other_access_token
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)
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# The other user sends some messages
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rseponse = self.helper.send(room, body="Hi!", tok=self.other_access_token)
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event_id = rseponse["event_id"]
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# The event position includes which instance persisted the event.
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pos = self.get_success(store.get_position_for_event(event_id))
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persisted_on_1 |= pos.instance_name == "worker1"
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persisted_on_2 |= pos.instance_name == "worker2"
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if persisted_on_1 and persisted_on_2:
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break
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self.assertTrue(persisted_on_1)
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self.assertTrue(persisted_on_2)
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def test_vector_clock_token(self) -> None:
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"""Tests that using a stream token with a vector clock component works
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correctly with basic /sync and /messages usage.
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"""
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self.make_worker_hs(
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"synapse.app.generic_worker",
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{"worker_name": "worker1"},
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)
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worker_hs2 = self.make_worker_hs(
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"synapse.app.generic_worker",
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{"worker_name": "worker2"},
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)
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sync_hs = self.make_worker_hs(
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"synapse.app.generic_worker",
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{"worker_name": "sync"},
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)
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sync_hs_site = self._hs_to_site[sync_hs]
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# Specially selected room IDs that get persisted on different workers.
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room_id1 = "!foo:test"
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room_id2 = "!baz:test"
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self.assertEqual(
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self.hs.config.worker.events_shard_config.get_instance(room_id1), "worker1"
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)
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self.assertEqual(
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self.hs.config.worker.events_shard_config.get_instance(room_id2), "worker2"
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)
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user_id = self.register_user("user", "pass")
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access_token = self.login("user", "pass")
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store = self.hs.get_datastores().main
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# Create two room on the different workers.
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self._create_room(room_id1, user_id, access_token)
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self._create_room(room_id2, user_id, access_token)
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# The other user joins
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self.helper.join(
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room=room_id1, user=self.other_user_id, tok=self.other_access_token
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)
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self.helper.join(
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room=room_id2, user=self.other_user_id, tok=self.other_access_token
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)
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# Do an initial sync so that we're up to date.
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channel = make_request(
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self.reactor, sync_hs_site, "GET", "/sync", access_token=access_token
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)
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next_batch = channel.json_body["next_batch"]
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# We now gut wrench into the events stream MultiWriterIdGenerator on
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# worker2 to mimic it getting stuck persisting an event. This ensures
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# that when we send an event on worker1 we end up in a state where
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# worker2 events stream position lags that on worker1, resulting in a
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# RoomStreamToken with a non-empty instance map component.
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#
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# Worker2's event stream position will not advance until we call
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# __aexit__ again.
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worker_store2 = worker_hs2.get_datastores().main
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assert isinstance(worker_store2._stream_id_gen, MultiWriterIdGenerator)
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actx = worker_store2._stream_id_gen.get_next()
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self.get_success(actx.__aenter__())
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response = self.helper.send(room_id1, body="Hi!", tok=self.other_access_token)
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first_event_in_room1 = response["event_id"]
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# Assert that the current stream token has an instance map component, as
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# we are trying to test vector clock tokens.
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room_stream_token = store.get_room_max_token()
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self.assertNotEqual(len(room_stream_token.instance_map), 0)
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# Check that syncing still gets the new event, despite the gap in the
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# stream IDs.
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channel = make_request(
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self.reactor,
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sync_hs_site,
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"GET",
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f"/sync?since={next_batch}",
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access_token=access_token,
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)
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# We should only see the new event and nothing else
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self.assertIn(room_id1, channel.json_body["rooms"]["join"])
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self.assertNotIn(room_id2, channel.json_body["rooms"]["join"])
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events = channel.json_body["rooms"]["join"][room_id1]["timeline"]["events"]
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self.assertListEqual(
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[first_event_in_room1], [event["event_id"] for event in events]
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)
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# Get the next batch and makes sure its a vector clock style token.
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vector_clock_token = channel.json_body["next_batch"]
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self.assertTrue(vector_clock_token.startswith("m"))
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# Now that we've got a vector clock token we finish the fake persisting
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# an event we started above.
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self.get_success(actx.__aexit__(None, None, None))
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# Now try and send an event to the other rooom so that we can test that
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# the vector clock style token works as a `since` token.
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response = self.helper.send(room_id2, body="Hi!", tok=self.other_access_token)
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first_event_in_room2 = response["event_id"]
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channel = make_request(
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self.reactor,
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sync_hs_site,
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"GET",
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f"/sync?since={vector_clock_token}",
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access_token=access_token,
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)
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self.assertNotIn(room_id1, channel.json_body["rooms"]["join"])
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self.assertIn(room_id2, channel.json_body["rooms"]["join"])
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events = channel.json_body["rooms"]["join"][room_id2]["timeline"]["events"]
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self.assertListEqual(
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[first_event_in_room2], [event["event_id"] for event in events]
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)
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next_batch = channel.json_body["next_batch"]
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# We also want to test that the vector clock style token works with
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# pagination. We do this by sending a couple of new events into the room
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# and syncing again to get a prev_batch token for each room, then
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# paginating from there back to the vector clock token.
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self.helper.send(room_id1, body="Hi again!", tok=self.other_access_token)
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self.helper.send(room_id2, body="Hi again!", tok=self.other_access_token)
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channel = make_request(
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self.reactor,
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sync_hs_site,
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"GET",
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f"/sync?since={next_batch}",
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access_token=access_token,
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)
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prev_batch1 = channel.json_body["rooms"]["join"][room_id1]["timeline"][
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"prev_batch"
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]
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prev_batch2 = channel.json_body["rooms"]["join"][room_id2]["timeline"][
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"prev_batch"
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]
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# Paginating back in the first room should not produce any results, as
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# no events have happened in it. This tests that we are correctly
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# filtering results based on the vector clock portion.
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channel = make_request(
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self.reactor,
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sync_hs_site,
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"GET",
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"/rooms/{}/messages?from={}&to={}&dir=b".format(
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room_id1, prev_batch1, vector_clock_token
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),
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access_token=access_token,
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)
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self.assertListEqual([], channel.json_body["chunk"])
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# Paginating back on the second room should produce the first event
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# again. This tests that pagination isn't completely broken.
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channel = make_request(
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self.reactor,
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sync_hs_site,
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"GET",
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"/rooms/{}/messages?from={}&to={}&dir=b".format(
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room_id2, prev_batch2, vector_clock_token
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),
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access_token=access_token,
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)
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self.assertEqual(len(channel.json_body["chunk"]), 1)
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self.assertEqual(
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channel.json_body["chunk"][0]["event_id"], first_event_in_room2
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)
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# Paginating forwards should give the same results
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channel = make_request(
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self.reactor,
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sync_hs_site,
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"GET",
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"/rooms/{}/messages?from={}&to={}&dir=f".format(
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room_id1, vector_clock_token, prev_batch1
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),
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access_token=access_token,
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)
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self.assertListEqual([], channel.json_body["chunk"])
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channel = make_request(
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self.reactor,
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sync_hs_site,
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"GET",
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"/rooms/{}/messages?from={}&to={}&dir=f".format(
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room_id2,
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vector_clock_token,
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prev_batch2,
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),
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access_token=access_token,
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)
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self.assertEqual(len(channel.json_body["chunk"]), 1)
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self.assertEqual(
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channel.json_body["chunk"][0]["event_id"], first_event_in_room2
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)
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