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a4dce5b53d
`COUNT()` never returns `NULL`. A `COUNT(*)` over 0 rows is 0 and a `COUNT(NULL)` is also 0.
581 lines
19 KiB
Python
581 lines
19 KiB
Python
# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the 'License');
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an 'AS IS' BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import attr
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from parameterized import parameterized
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from synapse.api.room_versions import RoomVersions
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from synapse.events import _EventInternalMetadata
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from synapse.util import json_encoder
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import tests.unittest
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import tests.utils
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class EventFederationWorkerStoreTestCase(tests.unittest.HomeserverTestCase):
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def prepare(self, reactor, clock, hs):
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self.store = hs.get_datastore()
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def test_get_prev_events_for_room(self):
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room_id = "@ROOM:local"
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# add a bunch of events and hashes to act as forward extremities
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def insert_event(txn, i):
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event_id = "$event_%i:local" % i
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txn.execute(
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(
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"INSERT INTO events ("
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" room_id, event_id, type, depth, topological_ordering,"
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" content, processed, outlier, stream_ordering) "
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"VALUES (?, ?, 'm.test', ?, ?, 'test', ?, ?, ?)"
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),
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(room_id, event_id, i, i, True, False, i),
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)
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txn.execute(
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(
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"INSERT INTO event_forward_extremities (room_id, event_id) "
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"VALUES (?, ?)"
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),
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(room_id, event_id),
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)
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txn.execute(
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(
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"INSERT INTO event_reference_hashes "
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"(event_id, algorithm, hash) "
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"VALUES (?, 'sha256', ?)"
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),
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(event_id, bytearray(b"ffff")),
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)
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for i in range(0, 20):
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self.get_success(
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self.store.db_pool.runInteraction("insert", insert_event, i)
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)
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# this should get the last ten
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r = self.get_success(self.store.get_prev_events_for_room(room_id))
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self.assertEqual(10, len(r))
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for i in range(0, 10):
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self.assertEqual("$event_%i:local" % (19 - i), r[i])
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def test_get_rooms_with_many_extremities(self):
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room1 = "#room1"
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room2 = "#room2"
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room3 = "#room3"
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def insert_event(txn, i, room_id):
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event_id = "$event_%i:local" % i
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txn.execute(
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(
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"INSERT INTO event_forward_extremities (room_id, event_id) "
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"VALUES (?, ?)"
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),
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(room_id, event_id),
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)
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for i in range(0, 20):
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self.get_success(
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self.store.db_pool.runInteraction("insert", insert_event, i, room1)
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)
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self.get_success(
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self.store.db_pool.runInteraction("insert", insert_event, i, room2)
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)
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self.get_success(
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self.store.db_pool.runInteraction("insert", insert_event, i, room3)
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)
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# Test simple case
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r = self.get_success(self.store.get_rooms_with_many_extremities(5, 5, []))
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self.assertEqual(len(r), 3)
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# Does filter work?
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r = self.get_success(self.store.get_rooms_with_many_extremities(5, 5, [room1]))
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self.assertTrue(room2 in r)
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self.assertTrue(room3 in r)
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self.assertEqual(len(r), 2)
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r = self.get_success(
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self.store.get_rooms_with_many_extremities(5, 5, [room1, room2])
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)
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self.assertEqual(r, [room3])
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# Does filter and limit work?
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r = self.get_success(self.store.get_rooms_with_many_extremities(5, 1, [room1]))
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self.assertTrue(r == [room2] or r == [room3])
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def _setup_auth_chain(self, use_chain_cover_index: bool) -> str:
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room_id = "@ROOM:local"
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# The silly auth graph we use to test the auth difference algorithm,
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# where the top are the most recent events.
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#
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# A B
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# \ /
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# D E
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# \ |
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# ` F C
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# | /|
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# G ´ |
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# | \ |
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# H I
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# | |
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# K J
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auth_graph = {
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"a": ["e"],
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"b": ["e"],
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"c": ["g", "i"],
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"d": ["f"],
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"e": ["f"],
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"f": ["g"],
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"g": ["h", "i"],
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"h": ["k"],
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"i": ["j"],
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"k": [],
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"j": [],
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}
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depth_map = {
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"a": 7,
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"b": 7,
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"c": 4,
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"d": 6,
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"e": 6,
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"f": 5,
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"g": 3,
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"h": 2,
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"i": 2,
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"k": 1,
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"j": 1,
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}
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# Mark the room as maybe having a cover index.
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def store_room(txn):
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self.store.db_pool.simple_insert_txn(
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txn,
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"rooms",
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{
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"room_id": room_id,
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"creator": "room_creator_user_id",
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"is_public": True,
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"room_version": "6",
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"has_auth_chain_index": use_chain_cover_index,
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},
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)
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self.get_success(self.store.db_pool.runInteraction("store_room", store_room))
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# We rudely fiddle with the appropriate tables directly, as that's much
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# easier than constructing events properly.
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def insert_event(txn):
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stream_ordering = 0
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for event_id in auth_graph:
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stream_ordering += 1
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depth = depth_map[event_id]
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self.store.db_pool.simple_insert_txn(
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txn,
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table="events",
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values={
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"event_id": event_id,
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"room_id": room_id,
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"depth": depth,
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"topological_ordering": depth,
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"type": "m.test",
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"processed": True,
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"outlier": False,
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"stream_ordering": stream_ordering,
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},
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)
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self.hs.datastores.persist_events._persist_event_auth_chain_txn(
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txn,
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[
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FakeEvent(event_id, room_id, auth_graph[event_id])
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for event_id in auth_graph
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],
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)
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self.get_success(
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self.store.db_pool.runInteraction(
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"insert",
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insert_event,
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)
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)
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return room_id
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@parameterized.expand([(True,), (False,)])
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def test_auth_chain_ids(self, use_chain_cover_index: bool):
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room_id = self._setup_auth_chain(use_chain_cover_index)
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# a and b have the same auth chain.
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["a"]))
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self.assertCountEqual(auth_chain_ids, ["e", "f", "g", "h", "i", "j", "k"])
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["b"]))
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self.assertCountEqual(auth_chain_ids, ["e", "f", "g", "h", "i", "j", "k"])
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auth_chain_ids = self.get_success(
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self.store.get_auth_chain_ids(room_id, ["a", "b"])
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)
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self.assertCountEqual(auth_chain_ids, ["e", "f", "g", "h", "i", "j", "k"])
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["c"]))
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self.assertCountEqual(auth_chain_ids, ["g", "h", "i", "j", "k"])
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# d and e have the same auth chain.
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["d"]))
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self.assertCountEqual(auth_chain_ids, ["f", "g", "h", "i", "j", "k"])
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["e"]))
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self.assertCountEqual(auth_chain_ids, ["f", "g", "h", "i", "j", "k"])
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["f"]))
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self.assertCountEqual(auth_chain_ids, ["g", "h", "i", "j", "k"])
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["g"]))
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self.assertCountEqual(auth_chain_ids, ["h", "i", "j", "k"])
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["h"]))
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self.assertEqual(auth_chain_ids, ["k"])
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["i"]))
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self.assertEqual(auth_chain_ids, ["j"])
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# j and k have no parents.
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["j"]))
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self.assertEqual(auth_chain_ids, [])
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auth_chain_ids = self.get_success(self.store.get_auth_chain_ids(room_id, ["k"]))
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self.assertEqual(auth_chain_ids, [])
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# More complex input sequences.
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auth_chain_ids = self.get_success(
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self.store.get_auth_chain_ids(room_id, ["b", "c", "d"])
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)
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self.assertCountEqual(auth_chain_ids, ["e", "f", "g", "h", "i", "j", "k"])
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auth_chain_ids = self.get_success(
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self.store.get_auth_chain_ids(room_id, ["h", "i"])
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)
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self.assertCountEqual(auth_chain_ids, ["k", "j"])
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# e gets returned even though include_given is false, but it is in the
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# auth chain of b.
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auth_chain_ids = self.get_success(
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self.store.get_auth_chain_ids(room_id, ["b", "e"])
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)
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self.assertCountEqual(auth_chain_ids, ["e", "f", "g", "h", "i", "j", "k"])
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# Test include_given.
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auth_chain_ids = self.get_success(
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self.store.get_auth_chain_ids(room_id, ["i"], include_given=True)
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)
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self.assertCountEqual(auth_chain_ids, ["i", "j"])
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@parameterized.expand([(True,), (False,)])
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def test_auth_difference(self, use_chain_cover_index: bool):
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room_id = self._setup_auth_chain(use_chain_cover_index)
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# Now actually test that various combinations give the right result:
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}])
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)
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self.assertSetEqual(difference, {"a", "b"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}, {"c"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c", "e", "f"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a", "c"}, {"b"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a", "c"}, {"b", "c"}])
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)
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self.assertSetEqual(difference, {"a", "b"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}, {"d"}])
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)
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self.assertSetEqual(difference, {"a", "b", "d", "e"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}, {"c"}, {"d"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c", "d", "e", "f"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}, {"e"}])
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)
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self.assertSetEqual(difference, {"a", "b"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}])
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)
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self.assertSetEqual(difference, set())
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def test_auth_difference_partial_cover(self):
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"""Test that we correctly handle rooms where not all events have a chain
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cover calculated. This can happen in some obscure edge cases, including
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during the background update that calculates the chain cover for old
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rooms.
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"""
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room_id = "@ROOM:local"
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# The silly auth graph we use to test the auth difference algorithm,
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# where the top are the most recent events.
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#
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# A B
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# \ /
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# D E
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# \ |
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# ` F C
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# | /|
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# G ´ |
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# | \ |
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# H I
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# | |
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# K J
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auth_graph = {
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"a": ["e"],
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"b": ["e"],
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"c": ["g", "i"],
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"d": ["f"],
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"e": ["f"],
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"f": ["g"],
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"g": ["h", "i"],
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"h": ["k"],
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"i": ["j"],
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"k": [],
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"j": [],
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}
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depth_map = {
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"a": 7,
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"b": 7,
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"c": 4,
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"d": 6,
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"e": 6,
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"f": 5,
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"g": 3,
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"h": 2,
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"i": 2,
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"k": 1,
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"j": 1,
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}
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# We rudely fiddle with the appropriate tables directly, as that's much
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# easier than constructing events properly.
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def insert_event(txn):
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# First insert the room and mark it as having a chain cover.
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self.store.db_pool.simple_insert_txn(
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txn,
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"rooms",
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{
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"room_id": room_id,
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"creator": "room_creator_user_id",
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"is_public": True,
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"room_version": "6",
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"has_auth_chain_index": True,
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},
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)
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stream_ordering = 0
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for event_id in auth_graph:
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stream_ordering += 1
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depth = depth_map[event_id]
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self.store.db_pool.simple_insert_txn(
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txn,
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table="events",
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values={
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"event_id": event_id,
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"room_id": room_id,
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"depth": depth,
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"topological_ordering": depth,
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"type": "m.test",
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"processed": True,
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"outlier": False,
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"stream_ordering": stream_ordering,
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},
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)
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# Insert all events apart from 'B'
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self.hs.datastores.persist_events._persist_event_auth_chain_txn(
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txn,
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[
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FakeEvent(event_id, room_id, auth_graph[event_id])
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for event_id in auth_graph
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if event_id != "b"
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],
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)
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# Now we insert the event 'B' without a chain cover, by temporarily
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# pretending the room doesn't have a chain cover.
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self.store.db_pool.simple_update_txn(
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txn,
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table="rooms",
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keyvalues={"room_id": room_id},
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updatevalues={"has_auth_chain_index": False},
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)
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self.hs.datastores.persist_events._persist_event_auth_chain_txn(
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txn,
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[FakeEvent("b", room_id, auth_graph["b"])],
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)
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self.store.db_pool.simple_update_txn(
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txn,
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table="rooms",
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keyvalues={"room_id": room_id},
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updatevalues={"has_auth_chain_index": True},
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)
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self.get_success(
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self.store.db_pool.runInteraction(
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"insert",
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insert_event,
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)
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)
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|
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# Now actually test that various combinations give the right result:
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||
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}])
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)
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self.assertSetEqual(difference, {"a", "b"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}, {"c"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c", "e", "f"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a", "c"}, {"b"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a", "c"}, {"b", "c"}])
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)
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self.assertSetEqual(difference, {"a", "b"})
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}, {"d"}])
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)
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self.assertSetEqual(difference, {"a", "b", "d", "e"})
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|
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difference = self.get_success(
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self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}, {"c"}, {"d"}])
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)
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self.assertSetEqual(difference, {"a", "b", "c", "d", "e", "f"})
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difference = self.get_success(
|
||
self.store.get_auth_chain_difference(room_id, [{"a"}, {"b"}, {"e"}])
|
||
)
|
||
self.assertSetEqual(difference, {"a", "b"})
|
||
|
||
difference = self.get_success(
|
||
self.store.get_auth_chain_difference(room_id, [{"a"}])
|
||
)
|
||
self.assertSetEqual(difference, set())
|
||
|
||
def test_prune_inbound_federation_queue(self):
|
||
"Test that pruning of inbound federation queues work"
|
||
|
||
room_id = "some_room_id"
|
||
|
||
# Insert a bunch of events that all reference the previous one.
|
||
self.get_success(
|
||
self.store.db_pool.simple_insert_many(
|
||
table="federation_inbound_events_staging",
|
||
values=[
|
||
{
|
||
"origin": "some_origin",
|
||
"room_id": room_id,
|
||
"received_ts": 0,
|
||
"event_id": f"$fake_event_id_{i + 1}",
|
||
"event_json": json_encoder.encode(
|
||
{"prev_events": [f"$fake_event_id_{i}"]}
|
||
),
|
||
"internal_metadata": "{}",
|
||
}
|
||
for i in range(500)
|
||
],
|
||
desc="test_prune_inbound_federation_queue",
|
||
)
|
||
)
|
||
|
||
# Calling prune once should return True, i.e. a prune happen. The second
|
||
# time it shouldn't.
|
||
pruned = self.get_success(
|
||
self.store.prune_staged_events_in_room(room_id, RoomVersions.V6)
|
||
)
|
||
self.assertTrue(pruned)
|
||
|
||
pruned = self.get_success(
|
||
self.store.prune_staged_events_in_room(room_id, RoomVersions.V6)
|
||
)
|
||
self.assertFalse(pruned)
|
||
|
||
# Assert that we only have a single event left in the queue, and that it
|
||
# is the last one.
|
||
count = self.get_success(
|
||
self.store.db_pool.simple_select_one_onecol(
|
||
table="federation_inbound_events_staging",
|
||
keyvalues={"room_id": room_id},
|
||
retcol="COUNT(*)",
|
||
desc="test_prune_inbound_federation_queue",
|
||
)
|
||
)
|
||
self.assertEqual(count, 1)
|
||
|
||
_, event_id = self.get_success(
|
||
self.store.get_next_staged_event_id_for_room(room_id)
|
||
)
|
||
self.assertEqual(event_id, "$fake_event_id_500")
|
||
|
||
|
||
@attr.s
|
||
class FakeEvent:
|
||
event_id = attr.ib()
|
||
room_id = attr.ib()
|
||
auth_events = attr.ib()
|
||
|
||
type = "foo"
|
||
state_key = "foo"
|
||
|
||
internal_metadata = _EventInternalMetadata({})
|
||
|
||
def auth_event_ids(self):
|
||
return self.auth_events
|
||
|
||
def is_state(self):
|
||
return True
|