diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/storage/test_event_federation.py | 481 |
1 files changed, 477 insertions, 4 deletions
diff --git a/tests/storage/test_event_federation.py b/tests/storage/test_event_federation.py index a6679e1312..85739c464e 100644 --- a/tests/storage/test_event_federation.py +++ b/tests/storage/test_event_federation.py @@ -12,25 +12,38 @@ # See the License for the specific language governing permissions and # limitations under the License. -from typing import Tuple, Union +import datetime +from typing import Dict, List, Tuple, Union import attr from parameterized import parameterized +from twisted.test.proto_helpers import MemoryReactor + +from synapse.api.constants import EventTypes from synapse.api.room_versions import ( KNOWN_ROOM_VERSIONS, EventFormatVersions, RoomVersion, ) from synapse.events import _EventInternalMetadata -from synapse.util import json_encoder +from synapse.server import HomeServer +from synapse.storage.database import LoggingTransaction +from synapse.types import JsonDict +from synapse.util import Clock, json_encoder import tests.unittest import tests.utils +@attr.s(auto_attribs=True, frozen=True, slots=True) +class _BackfillSetupInfo: + room_id: str + depth_map: Dict[str, int] + + class EventFederationWorkerStoreTestCase(tests.unittest.HomeserverTestCase): - def prepare(self, reactor, clock, hs): + def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: self.store = hs.get_datastores().main def test_get_prev_events_for_room(self): @@ -571,11 +584,471 @@ class EventFederationWorkerStoreTestCase(tests.unittest.HomeserverTestCase): ) self.assertEqual(count, 1) - _, event_id = self.get_success( + next_staged_event_info = self.get_success( self.store.get_next_staged_event_id_for_room(room_id) ) + assert next_staged_event_info + _, event_id = next_staged_event_info self.assertEqual(event_id, "$fake_event_id_500") + def _setup_room_for_backfill_tests(self) -> _BackfillSetupInfo: + """ + Sets up a room with various events and backward extremities to test + backfill functions against. + + Returns: + _BackfillSetupInfo including the `room_id` to test against and + `depth_map` of events in the room + """ + room_id = "!backfill-room-test:some-host" + + # The silly graph we use to test grabbing backward extremities, + # where the top is the oldest events. + # 1 (oldest) + # | + # 2 ⹁ + # | \ + # | [b1, b2, b3] + # | | + # | A + # | / + # 3 { + # | \ + # | [b4, b5, b6] + # | | + # | B + # | / + # 4 ´ + # | + # 5 (newest) + + event_graph: Dict[str, List[str]] = { + "1": [], + "2": ["1"], + "3": ["2", "A"], + "4": ["3", "B"], + "5": ["4"], + "A": ["b1", "b2", "b3"], + "b1": ["2"], + "b2": ["2"], + "b3": ["2"], + "B": ["b4", "b5", "b6"], + "b4": ["3"], + "b5": ["3"], + "b6": ["3"], + } + + depth_map: Dict[str, int] = { + "1": 1, + "2": 2, + "b1": 3, + "b2": 3, + "b3": 3, + "A": 4, + "3": 5, + "b4": 6, + "b5": 6, + "b6": 6, + "B": 7, + "4": 8, + "5": 9, + } + + # The events we have persisted on our server. + # The rest are events in the room but not backfilled tet. + our_server_events = {"5", "4", "B", "3", "A"} + + complete_event_dict_map: Dict[str, JsonDict] = {} + stream_ordering = 0 + for (event_id, prev_event_ids) in event_graph.items(): + depth = depth_map[event_id] + + complete_event_dict_map[event_id] = { + "event_id": event_id, + "type": "test_regular_type", + "room_id": room_id, + "sender": "@sender", + "prev_event_ids": prev_event_ids, + "auth_event_ids": [], + "origin_server_ts": stream_ordering, + "depth": depth, + "stream_ordering": stream_ordering, + "content": {"body": "event" + event_id}, + } + + stream_ordering += 1 + + def populate_db(txn: LoggingTransaction): + # Insert the room to satisfy the foreign key constraint of + # `event_failed_pull_attempts` + self.store.db_pool.simple_insert_txn( + txn, + "rooms", + { + "room_id": room_id, + "creator": "room_creator_user_id", + "is_public": True, + "room_version": "6", + }, + ) + + # Insert our server events + for event_id in our_server_events: + event_dict = complete_event_dict_map[event_id] + + self.store.db_pool.simple_insert_txn( + txn, + table="events", + values={ + "event_id": event_dict.get("event_id"), + "type": event_dict.get("type"), + "room_id": event_dict.get("room_id"), + "depth": event_dict.get("depth"), + "topological_ordering": event_dict.get("depth"), + "stream_ordering": event_dict.get("stream_ordering"), + "processed": True, + "outlier": False, + }, + ) + + # Insert the event edges + for event_id in our_server_events: + for prev_event_id in event_graph[event_id]: + self.store.db_pool.simple_insert_txn( + txn, + table="event_edges", + values={ + "event_id": event_id, + "prev_event_id": prev_event_id, + "room_id": room_id, + }, + ) + + # Insert the backward extremities + prev_events_of_our_events = { + prev_event_id + for our_server_event in our_server_events + for prev_event_id in complete_event_dict_map[our_server_event][ + "prev_event_ids" + ] + } + backward_extremities = prev_events_of_our_events - our_server_events + for backward_extremity in backward_extremities: + self.store.db_pool.simple_insert_txn( + txn, + table="event_backward_extremities", + values={ + "event_id": backward_extremity, + "room_id": room_id, + }, + ) + + self.get_success( + self.store.db_pool.runInteraction( + "_setup_room_for_backfill_tests_populate_db", + populate_db, + ) + ) + + return _BackfillSetupInfo(room_id=room_id, depth_map=depth_map) + + def test_get_backfill_points_in_room(self): + """ + Test to make sure we get some backfill points + """ + setup_info = self._setup_room_for_backfill_tests() + room_id = setup_info.room_id + + backfill_points = self.get_success( + self.store.get_backfill_points_in_room(room_id) + ) + backfill_event_ids = [backfill_point[0] for backfill_point in backfill_points] + self.assertListEqual( + backfill_event_ids, ["b6", "b5", "b4", "2", "b3", "b2", "b1"] + ) + + def test_get_backfill_points_in_room_excludes_events_we_have_attempted( + self, + ): + """ + Test to make sure that events we have attempted to backfill (and within + backoff timeout duration) do not show up as an event to backfill again. + """ + setup_info = self._setup_room_for_backfill_tests() + room_id = setup_info.room_id + + # Record some attempts to backfill these events which will make + # `get_backfill_points_in_room` exclude them because we + # haven't passed the backoff interval. + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b5", "fake cause") + ) + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b4", "fake cause") + ) + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b3", "fake cause") + ) + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b2", "fake cause") + ) + + # No time has passed since we attempted to backfill ^ + + backfill_points = self.get_success( + self.store.get_backfill_points_in_room(room_id) + ) + backfill_event_ids = [backfill_point[0] for backfill_point in backfill_points] + # Only the backfill points that we didn't record earlier exist here. + self.assertListEqual(backfill_event_ids, ["b6", "2", "b1"]) + + def test_get_backfill_points_in_room_attempted_event_retry_after_backoff_duration( + self, + ): + """ + Test to make sure after we fake attempt to backfill event "b3" many times, + we can see retry and see the "b3" again after the backoff timeout duration + has exceeded. + """ + setup_info = self._setup_room_for_backfill_tests() + room_id = setup_info.room_id + + # Record some attempts to backfill these events which will make + # `get_backfill_points_in_room` exclude them because we + # haven't passed the backoff interval. + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b3", "fake cause") + ) + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b1", "fake cause") + ) + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b1", "fake cause") + ) + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b1", "fake cause") + ) + self.get_success( + self.store.record_event_failed_pull_attempt(room_id, "b1", "fake cause") + ) + + # Now advance time by 2 hours and we should only be able to see "b3" + # because we have waited long enough for the single attempt (2^1 hours) + # but we still shouldn't see "b1" because we haven't waited long enough + # for this many attempts. We didn't do anything to "b2" so it should be + # visible regardless. + self.reactor.advance(datetime.timedelta(hours=2).total_seconds()) + + # Make sure that "b1" is not in the list because we've + # already attempted many times + backfill_points = self.get_success( + self.store.get_backfill_points_in_room(room_id) + ) + backfill_event_ids = [backfill_point[0] for backfill_point in backfill_points] + self.assertListEqual(backfill_event_ids, ["b6", "b5", "b4", "2", "b3", "b2"]) + + # Now advance time by 20 hours (above 2^4 because we made 4 attemps) and + # see if we can now backfill it + self.reactor.advance(datetime.timedelta(hours=20).total_seconds()) + + # Try again after we advanced enough time and we should see "b3" again + backfill_points = self.get_success( + self.store.get_backfill_points_in_room(room_id) + ) + backfill_event_ids = [backfill_point[0] for backfill_point in backfill_points] + self.assertListEqual( + backfill_event_ids, ["b6", "b5", "b4", "2", "b3", "b2", "b1"] + ) + + def _setup_room_for_insertion_backfill_tests(self) -> _BackfillSetupInfo: + """ + Sets up a room with various insertion event backward extremities to test + backfill functions against. + + Returns: + _BackfillSetupInfo including the `room_id` to test against and + `depth_map` of events in the room + """ + room_id = "!backfill-room-test:some-host" + + depth_map: Dict[str, int] = { + "1": 1, + "2": 2, + "insertion_eventA": 3, + "3": 4, + "insertion_eventB": 5, + "4": 6, + "5": 7, + } + + def populate_db(txn: LoggingTransaction): + # Insert the room to satisfy the foreign key constraint of + # `event_failed_pull_attempts` + self.store.db_pool.simple_insert_txn( + txn, + "rooms", + { + "room_id": room_id, + "creator": "room_creator_user_id", + "is_public": True, + "room_version": "6", + }, + ) + + # Insert our server events + stream_ordering = 0 + for event_id, depth in depth_map.items(): + self.store.db_pool.simple_insert_txn( + txn, + table="events", + values={ + "event_id": event_id, + "type": EventTypes.MSC2716_INSERTION + if event_id.startswith("insertion_event") + else "test_regular_type", + "room_id": room_id, + "depth": depth, + "topological_ordering": depth, + "stream_ordering": stream_ordering, + "processed": True, + "outlier": False, + }, + ) + + if event_id.startswith("insertion_event"): + self.store.db_pool.simple_insert_txn( + txn, + table="insertion_event_extremities", + values={ + "event_id": event_id, + "room_id": room_id, + }, + ) + + stream_ordering += 1 + + self.get_success( + self.store.db_pool.runInteraction( + "_setup_room_for_insertion_backfill_tests_populate_db", + populate_db, + ) + ) + + return _BackfillSetupInfo(room_id=room_id, depth_map=depth_map) + + def test_get_insertion_event_backward_extremities_in_room(self): + """ + Test to make sure insertion event backward extremities are returned. + """ + setup_info = self._setup_room_for_insertion_backfill_tests() + room_id = setup_info.room_id + + backfill_points = self.get_success( + self.store.get_insertion_event_backward_extremities_in_room(room_id) + ) + backfill_event_ids = [backfill_point[0] for backfill_point in backfill_points] + self.assertListEqual( + backfill_event_ids, ["insertion_eventB", "insertion_eventA"] + ) + + def test_get_insertion_event_backward_extremities_in_room_excludes_events_we_have_attempted( + self, + ): + """ + Test to make sure that insertion events we have attempted to backfill + (and within backoff timeout duration) do not show up as an event to + backfill again. + """ + setup_info = self._setup_room_for_insertion_backfill_tests() + room_id = setup_info.room_id + + # Record some attempts to backfill these events which will make + # `get_insertion_event_backward_extremities_in_room` exclude them + # because we haven't passed the backoff interval. + self.get_success( + self.store.record_event_failed_pull_attempt( + room_id, "insertion_eventA", "fake cause" + ) + ) + + # No time has passed since we attempted to backfill ^ + + backfill_points = self.get_success( + self.store.get_insertion_event_backward_extremities_in_room(room_id) + ) + backfill_event_ids = [backfill_point[0] for backfill_point in backfill_points] + # Only the backfill points that we didn't record earlier exist here. + self.assertListEqual(backfill_event_ids, ["insertion_eventB"]) + + def test_get_insertion_event_backward_extremities_in_room_attempted_event_retry_after_backoff_duration( + self, + ): + """ + Test to make sure after we fake attempt to backfill event + "insertion_eventA" many times, we can see retry and see the + "insertion_eventA" again after the backoff timeout duration has + exceeded. + """ + setup_info = self._setup_room_for_insertion_backfill_tests() + room_id = setup_info.room_id + + # Record some attempts to backfill these events which will make + # `get_backfill_points_in_room` exclude them because we + # haven't passed the backoff interval. + self.get_success( + self.store.record_event_failed_pull_attempt( + room_id, "insertion_eventB", "fake cause" + ) + ) + self.get_success( + self.store.record_event_failed_pull_attempt( + room_id, "insertion_eventA", "fake cause" + ) + ) + self.get_success( + self.store.record_event_failed_pull_attempt( + room_id, "insertion_eventA", "fake cause" + ) + ) + self.get_success( + self.store.record_event_failed_pull_attempt( + room_id, "insertion_eventA", "fake cause" + ) + ) + self.get_success( + self.store.record_event_failed_pull_attempt( + room_id, "insertion_eventA", "fake cause" + ) + ) + + # Now advance time by 2 hours and we should only be able to see + # "insertion_eventB" because we have waited long enough for the single + # attempt (2^1 hours) but we still shouldn't see "insertion_eventA" + # because we haven't waited long enough for this many attempts. + self.reactor.advance(datetime.timedelta(hours=2).total_seconds()) + + # Make sure that "insertion_eventA" is not in the list because we've + # already attempted many times + backfill_points = self.get_success( + self.store.get_insertion_event_backward_extremities_in_room(room_id) + ) + backfill_event_ids = [backfill_point[0] for backfill_point in backfill_points] + self.assertListEqual(backfill_event_ids, ["insertion_eventB"]) + + # Now advance time by 20 hours (above 2^4 because we made 4 attemps) and + # see if we can now backfill it + self.reactor.advance(datetime.timedelta(hours=20).total_seconds()) + + # Try at "insertion_eventA" again after we advanced enough time and we + # should see "insertion_eventA" again + backfill_points = self.get_success( + self.store.get_insertion_event_backward_extremities_in_room(room_id) + ) + backfill_event_ids = [backfill_point[0] for backfill_point in backfill_points] + self.assertListEqual( + backfill_event_ids, ["insertion_eventB", "insertion_eventA"] + ) + @attr.s class FakeEvent: |