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synapse/tests/rest/client/sliding_sync/test_rooms_timeline.py

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Python
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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2024 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
import logging
from typing import List, Optional
from parameterized import parameterized_class
from twisted.test.proto_helpers import MemoryReactor
import synapse.rest.admin
from synapse.api.constants import EventTypes
from synapse.rest.client import login, room, sync
from synapse.server import HomeServer
from synapse.types import StreamToken, StrSequence
from synapse.util import Clock
from tests.rest.client.sliding_sync.test_sliding_sync import SlidingSyncBase
logger = logging.getLogger(__name__)
# FIXME: This can be removed once we bump `SCHEMA_COMPAT_VERSION` and run the
# foreground update for
# `sliding_sync_joined_rooms`/`sliding_sync_membership_snapshots` (tracked by
# https://github.com/element-hq/synapse/issues/17623)
@parameterized_class(
("use_new_tables",),
[
(True,),
(False,),
],
class_name_func=lambda cls, num, params_dict: f"{cls.__name__}_{'new' if params_dict['use_new_tables'] else 'fallback'}",
)
class SlidingSyncRoomsTimelineTestCase(SlidingSyncBase):
"""
Test `rooms.timeline` in the Sliding Sync API.
"""
servlets = [
synapse.rest.admin.register_servlets,
login.register_servlets,
room.register_servlets,
sync.register_servlets,
]
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.store = hs.get_datastores().main
self.storage_controllers = hs.get_storage_controllers()
super().prepare(reactor, clock, hs)
def _assertListEqual(
self,
actual_items: StrSequence,
expected_items: StrSequence,
message: Optional[str] = None,
) -> None:
"""
Like `self.assertListEqual(...)` but with an actually understandable diff message.
"""
if actual_items == expected_items:
return
expected_lines: List[str] = []
for expected_item in expected_items:
is_expected_in_actual = expected_item in actual_items
expected_lines.append(
"{} {}".format(" " if is_expected_in_actual else "?", expected_item)
)
actual_lines: List[str] = []
for actual_item in actual_items:
is_actual_in_expected = actual_item in expected_items
actual_lines.append(
"{} {}".format("+" if is_actual_in_expected else " ", actual_item)
)
newline = "\n"
expected_string = f"Expected items to be in actual ('?' = missing expected items):\n [\n{newline.join(expected_lines)}\n ]"
actual_string = f"Actual ('+' = found expected items):\n [\n{newline.join(actual_lines)}\n ]"
first_message = "Items must"
diff_message = f"{first_message}\n{expected_string}\n{actual_string}"
self.fail(f"{diff_message}\n{message}")
def _assertTimelineEqual(
self,
*,
room_id: str,
actual_event_ids: List[str],
expected_event_ids: List[str],
message: Optional[str] = None,
) -> None:
"""
Like `self.assertListEqual(...)` for event IDs in a room but will give a nicer
output with context for what each event_id is (type, stream_ordering, content,
etc).
"""
if actual_event_ids == expected_event_ids:
return
event_id_set = set(actual_event_ids + expected_event_ids)
events = self.get_success(self.store.get_events(event_id_set))
def event_id_to_string(event_id: str) -> str:
event = events.get(event_id)
if event:
state_key = event.get_state_key()
state_key_piece = f", {state_key}" if state_key is not None else ""
return (
f"({event.internal_metadata.stream_ordering: >2}, {event.internal_metadata.instance_name}) "
+ f"{event.event_id} ({event.type}{state_key_piece}) {event.content.get('membership', '')}{event.content.get('body', '')}"
)
return f"{event_id} <event not found in room_id={room_id}>"
self._assertListEqual(
actual_items=[
event_id_to_string(event_id) for event_id in actual_event_ids
],
expected_items=[
event_id_to_string(event_id) for event_id in expected_event_ids
],
message=message,
)
def test_rooms_limited_initial_sync(self) -> None:
"""
Test that we mark `rooms` as `limited=True` when we saturate the `timeline_limit`
on initial sync.
"""
user1_id = self.register_user("user1", "pass")
user1_tok = self.login(user1_id, "pass")
user2_id = self.register_user("user2", "pass")
user2_tok = self.login(user2_id, "pass")
room_id1 = self.helper.create_room_as(user2_id, tok=user2_tok)
self.helper.send(room_id1, "activity1", tok=user2_tok)
self.helper.send(room_id1, "activity2", tok=user2_tok)
event_response3 = self.helper.send(room_id1, "activity3", tok=user2_tok)
event_pos3 = self.get_success(
self.store.get_position_for_event(event_response3["event_id"])
)
event_response4 = self.helper.send(room_id1, "activity4", tok=user2_tok)
event_pos4 = self.get_success(
self.store.get_position_for_event(event_response4["event_id"])
)
event_response5 = self.helper.send(room_id1, "activity5", tok=user2_tok)
user1_join_response = self.helper.join(room_id1, user1_id, tok=user1_tok)
# Make the Sliding Sync request
sync_body = {
"lists": {
"foo-list": {
"ranges": [[0, 1]],
"required_state": [],
"timeline_limit": 3,
}
}
}
response_body, _ = self.do_sync(sync_body, tok=user1_tok)
# We expect to saturate the `timeline_limit` (there are more than 3 messages in the room)
self.assertEqual(
response_body["rooms"][room_id1]["limited"],
True,
response_body["rooms"][room_id1],
)
# Check to make sure the latest events are returned
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[
event["event_id"]
for event in response_body["rooms"][room_id1]["timeline"]
],
expected_event_ids=[
event_response4["event_id"],
event_response5["event_id"],
user1_join_response["event_id"],
],
message=str(response_body["rooms"][room_id1]["timeline"]),
)
# Check to make sure the `prev_batch` points at the right place
prev_batch_token = self.get_success(
StreamToken.from_string(
self.store, response_body["rooms"][room_id1]["prev_batch"]
)
)
prev_batch_room_stream_token_serialized = self.get_success(
prev_batch_token.room_key.to_string(self.store)
)
# If we use the `prev_batch` token to look backwards, we should see `event3`
# next so make sure the token encompasses it
self.assertEqual(
event_pos3.persisted_after(prev_batch_token.room_key),
False,
f"`prev_batch` token {prev_batch_room_stream_token_serialized} should be >= event_pos3={self.get_success(event_pos3.to_room_stream_token().to_string(self.store))}",
)
# If we use the `prev_batch` token to look backwards, we shouldn't see `event4`
# anymore since it was just returned in this response.
self.assertEqual(
event_pos4.persisted_after(prev_batch_token.room_key),
True,
f"`prev_batch` token {prev_batch_room_stream_token_serialized} should be < event_pos4={self.get_success(event_pos4.to_room_stream_token().to_string(self.store))}",
)
# With no `from_token` (initial sync), it's all historical since there is no
# "live" range
self.assertEqual(
response_body["rooms"][room_id1]["num_live"],
0,
response_body["rooms"][room_id1],
)
def test_rooms_not_limited_initial_sync(self) -> None:
"""
Test that we mark `rooms` as `limited=False` when there are no more events to
paginate to.
"""
user1_id = self.register_user("user1", "pass")
user1_tok = self.login(user1_id, "pass")
user2_id = self.register_user("user2", "pass")
user2_tok = self.login(user2_id, "pass")
room_id1 = self.helper.create_room_as(user2_id, tok=user2_tok)
self.helper.send(room_id1, "activity1", tok=user2_tok)
self.helper.send(room_id1, "activity2", tok=user2_tok)
self.helper.send(room_id1, "activity3", tok=user2_tok)
self.helper.join(room_id1, user1_id, tok=user1_tok)
# Make the Sliding Sync request
timeline_limit = 100
sync_body = {
"lists": {
"foo-list": {
"ranges": [[0, 1]],
"required_state": [],
"timeline_limit": timeline_limit,
}
}
}
response_body, _ = self.do_sync(sync_body, tok=user1_tok)
# The timeline should be `limited=False` because we have all of the events (no
# more to paginate to)
self.assertEqual(
response_body["rooms"][room_id1]["limited"],
False,
response_body["rooms"][room_id1],
)
expected_number_of_events = 9
# We're just looking to make sure we got all of the events before hitting the `timeline_limit`
self.assertEqual(
len(response_body["rooms"][room_id1]["timeline"]),
expected_number_of_events,
response_body["rooms"][room_id1]["timeline"],
)
self.assertLessEqual(expected_number_of_events, timeline_limit)
# With no `from_token` (initial sync), it's all historical since there is no
# "live" token range.
self.assertEqual(
response_body["rooms"][room_id1]["num_live"],
0,
response_body["rooms"][room_id1],
)
def test_rooms_incremental_sync(self) -> None:
"""
Test `rooms` data during an incremental sync after an initial sync.
"""
user1_id = self.register_user("user1", "pass")
user1_tok = self.login(user1_id, "pass")
user2_id = self.register_user("user2", "pass")
user2_tok = self.login(user2_id, "pass")
room_id1 = self.helper.create_room_as(user2_id, tok=user2_tok)
self.helper.join(room_id1, user1_id, tok=user1_tok)
self.helper.send(room_id1, "activity before initial sync1", tok=user2_tok)
# Make an initial Sliding Sync request to grab a token. This is also a sanity
# check that we can go from initial to incremental sync.
sync_body = {
"lists": {
"foo-list": {
"ranges": [[0, 1]],
"required_state": [],
"timeline_limit": 3,
}
}
}
_, from_token = self.do_sync(sync_body, tok=user1_tok)
# Send some events but don't send enough to saturate the `timeline_limit`.
# We want to later test that we only get the new events since the `next_pos`
event_response2 = self.helper.send(room_id1, "activity after2", tok=user2_tok)
event_response3 = self.helper.send(room_id1, "activity after3", tok=user2_tok)
# Make an incremental Sliding Sync request (what we're trying to test)
response_body, _ = self.do_sync(sync_body, since=from_token, tok=user1_tok)
# We only expect to see the new events since the last sync which isn't enough to
# fill up the `timeline_limit`.
self.assertEqual(
response_body["rooms"][room_id1]["limited"],
False,
f'Our `timeline_limit` was {sync_body["lists"]["foo-list"]["timeline_limit"]} '
+ f'and {len(response_body["rooms"][room_id1]["timeline"])} events were returned in the timeline. '
+ str(response_body["rooms"][room_id1]),
)
# Check to make sure the latest events are returned
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[
event["event_id"]
for event in response_body["rooms"][room_id1]["timeline"]
],
expected_event_ids=[
event_response2["event_id"],
event_response3["event_id"],
],
message=str(response_body["rooms"][room_id1]["timeline"]),
)
# All events are "live"
self.assertEqual(
response_body["rooms"][room_id1]["num_live"],
2,
response_body["rooms"][room_id1],
)
def test_rooms_newly_joined_incremental_sync(self) -> None:
"""
Test that when we make an incremental sync with a `newly_joined` `rooms`, we are
able to see some historical events before the `from_token`.
"""
user1_id = self.register_user("user1", "pass")
user1_tok = self.login(user1_id, "pass")
user2_id = self.register_user("user2", "pass")
user2_tok = self.login(user2_id, "pass")
room_id1 = self.helper.create_room_as(user2_id, tok=user2_tok)
self.helper.send(room_id1, "activity before token1", tok=user2_tok)
event_response2 = self.helper.send(
room_id1, "activity before token2", tok=user2_tok
)
# The `timeline_limit` is set to 4 so we can at least see one historical event
# before the `from_token`. We should see historical events because this is a
# `newly_joined` room.
timeline_limit = 4
sync_body = {
"lists": {
"foo-list": {
"ranges": [[0, 1]],
"required_state": [],
"timeline_limit": timeline_limit,
}
}
}
_, from_token = self.do_sync(sync_body, tok=user1_tok)
# Join the room after the `from_token` which will make us consider this room as
# `newly_joined`.
user1_join_response = self.helper.join(room_id1, user1_id, tok=user1_tok)
# Send some events but don't send enough to saturate the `timeline_limit`.
# We want to later test that we only get the new events since the `next_pos`
event_response3 = self.helper.send(
room_id1, "activity after token3", tok=user2_tok
)
event_response4 = self.helper.send(
room_id1, "activity after token4", tok=user2_tok
)
# Make an incremental Sliding Sync request (what we're trying to test)
response_body, _ = self.do_sync(sync_body, since=from_token, tok=user1_tok)
# We should see the new events and the rest should be filled with historical
# events which will make us `limited=True` since there are more to paginate to.
self.assertEqual(
response_body["rooms"][room_id1]["limited"],
True,
f"Our `timeline_limit` was {timeline_limit} "
+ f'and {len(response_body["rooms"][room_id1]["timeline"])} events were returned in the timeline. '
+ str(response_body["rooms"][room_id1]),
)
# Check to make sure that the "live" and historical events are returned
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[
event["event_id"]
for event in response_body["rooms"][room_id1]["timeline"]
],
expected_event_ids=[
event_response2["event_id"],
user1_join_response["event_id"],
event_response3["event_id"],
event_response4["event_id"],
],
message=str(response_body["rooms"][room_id1]["timeline"]),
)
# Only events after the `from_token` are "live" (join, event3, event4)
self.assertEqual(
response_body["rooms"][room_id1]["num_live"],
3,
response_body["rooms"][room_id1],
)
def test_rooms_ban_initial_sync(self) -> None:
"""
Test that `rooms` we are banned from in an intial sync only allows us to see
timeline events up to the ban event.
"""
user1_id = self.register_user("user1", "pass")
user1_tok = self.login(user1_id, "pass")
user2_id = self.register_user("user2", "pass")
user2_tok = self.login(user2_id, "pass")
room_id1 = self.helper.create_room_as(user2_id, tok=user2_tok)
self.helper.send(room_id1, "activity before1", tok=user2_tok)
self.helper.send(room_id1, "activity before2", tok=user2_tok)
self.helper.join(room_id1, user1_id, tok=user1_tok)
event_response3 = self.helper.send(room_id1, "activity after3", tok=user2_tok)
event_response4 = self.helper.send(room_id1, "activity after4", tok=user2_tok)
user1_ban_response = self.helper.ban(
room_id1, src=user2_id, targ=user1_id, tok=user2_tok
)
self.helper.send(room_id1, "activity after5", tok=user2_tok)
self.helper.send(room_id1, "activity after6", tok=user2_tok)
# Make the Sliding Sync request
sync_body = {
"lists": {
"foo-list": {
"ranges": [[0, 1]],
"required_state": [],
"timeline_limit": 3,
}
}
}
response_body, _ = self.do_sync(sync_body, tok=user1_tok)
# We should see events before the ban but not after
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[
event["event_id"]
for event in response_body["rooms"][room_id1]["timeline"]
],
expected_event_ids=[
event_response3["event_id"],
event_response4["event_id"],
user1_ban_response["event_id"],
],
message=str(response_body["rooms"][room_id1]["timeline"]),
)
# No "live" events in an initial sync (no `from_token` to define the "live"
# range)
self.assertEqual(
response_body["rooms"][room_id1]["num_live"],
0,
response_body["rooms"][room_id1],
)
# There are more events to paginate to
self.assertEqual(
response_body["rooms"][room_id1]["limited"],
True,
response_body["rooms"][room_id1],
)
def test_rooms_ban_incremental_sync1(self) -> None:
"""
Test that `rooms` we are banned from during the next incremental sync only
allows us to see timeline events up to the ban event.
"""
user1_id = self.register_user("user1", "pass")
user1_tok = self.login(user1_id, "pass")
user2_id = self.register_user("user2", "pass")
user2_tok = self.login(user2_id, "pass")
room_id1 = self.helper.create_room_as(user2_id, tok=user2_tok)
self.helper.send(room_id1, "activity before1", tok=user2_tok)
self.helper.send(room_id1, "activity before2", tok=user2_tok)
self.helper.join(room_id1, user1_id, tok=user1_tok)
sync_body = {
"lists": {
"foo-list": {
"ranges": [[0, 1]],
"required_state": [],
"timeline_limit": 4,
}
}
}
_, from_token = self.do_sync(sync_body, tok=user1_tok)
event_response3 = self.helper.send(room_id1, "activity after3", tok=user2_tok)
event_response4 = self.helper.send(room_id1, "activity after4", tok=user2_tok)
# The ban is within the token range (between the `from_token` and the sliding
# sync request)
user1_ban_response = self.helper.ban(
room_id1, src=user2_id, targ=user1_id, tok=user2_tok
)
self.helper.send(room_id1, "activity after5", tok=user2_tok)
self.helper.send(room_id1, "activity after6", tok=user2_tok)
# Make the incremental Sliding Sync request
response_body, _ = self.do_sync(sync_body, since=from_token, tok=user1_tok)
# We should see events before the ban but not after
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[
event["event_id"]
for event in response_body["rooms"][room_id1]["timeline"]
],
expected_event_ids=[
event_response3["event_id"],
event_response4["event_id"],
user1_ban_response["event_id"],
],
message=str(response_body["rooms"][room_id1]["timeline"]),
)
# All live events in the incremental sync
self.assertEqual(
response_body["rooms"][room_id1]["num_live"],
3,
response_body["rooms"][room_id1],
)
# There aren't anymore events to paginate to in this range
self.assertEqual(
response_body["rooms"][room_id1]["limited"],
False,
response_body["rooms"][room_id1],
)
def test_rooms_ban_incremental_sync2(self) -> None:
"""
Test that `rooms` we are banned from before the incremental sync don't return
any events in the timeline.
"""
user1_id = self.register_user("user1", "pass")
user1_tok = self.login(user1_id, "pass")
user2_id = self.register_user("user2", "pass")
user2_tok = self.login(user2_id, "pass")
room_id1 = self.helper.create_room_as(user2_id, tok=user2_tok)
self.helper.send(room_id1, "activity before1", tok=user2_tok)
self.helper.join(room_id1, user1_id, tok=user1_tok)
self.helper.send(room_id1, "activity after2", tok=user2_tok)
# The ban is before we get our `from_token`
self.helper.ban(room_id1, src=user2_id, targ=user1_id, tok=user2_tok)
self.helper.send(room_id1, "activity after3", tok=user2_tok)
sync_body = {
"lists": {
"foo-list": {
"ranges": [[0, 1]],
"required_state": [],
"timeline_limit": 4,
}
}
}
_, from_token = self.do_sync(sync_body, tok=user1_tok)
self.helper.send(room_id1, "activity after4", tok=user2_tok)
# Make the incremental Sliding Sync request
response_body, _ = self.do_sync(sync_body, since=from_token, tok=user1_tok)
# Nothing to see for this banned user in the room in the token range
self.assertIsNone(response_body["rooms"].get(room_id1))
def test_increasing_timeline_range_sends_more_messages(self) -> None:
"""
Test that increasing the timeline limit via room subscriptions sends the
room down with more messages in a limited sync.
"""
user1_id = self.register_user("user1", "pass")
user1_tok = self.login(user1_id, "pass")
room_id1 = self.helper.create_room_as(user1_id, tok=user1_tok)
sync_body = {
"lists": {
"foo-list": {
"ranges": [[0, 1]],
"required_state": [[EventTypes.Create, ""]],
"timeline_limit": 1,
}
}
}
message_events = []
for _ in range(10):
resp = self.helper.send(room_id1, "msg", tok=user1_tok)
message_events.append(resp["event_id"])
# Make the first Sliding Sync request
response_body, from_token = self.do_sync(sync_body, tok=user1_tok)
room_response = response_body["rooms"][room_id1]
self.assertEqual(room_response["initial"], True)
self.assertNotIn("unstable_expanded_timeline", room_response)
self.assertEqual(room_response["limited"], True)
# We only expect the last message at first
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[event["event_id"] for event in room_response["timeline"]],
expected_event_ids=message_events[-1:],
message=str(room_response["timeline"]),
)
# We also expect to get the create event state.
state_map = self.get_success(
self.storage_controllers.state.get_current_state(room_id1)
)
self._assertRequiredStateIncludes(
room_response["required_state"],
{state_map[(EventTypes.Create, "")]},
exact=True,
)
# Now do another request with a room subscription with an increased timeline limit
sync_body["room_subscriptions"] = {
room_id1: {
"required_state": [],
"timeline_limit": 10,
}
}
response_body, from_token = self.do_sync(
sync_body, since=from_token, tok=user1_tok
)
room_response = response_body["rooms"][room_id1]
self.assertNotIn("initial", room_response)
self.assertEqual(room_response["unstable_expanded_timeline"], True)
self.assertEqual(room_response["limited"], True)
# Now we expect all the messages
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[event["event_id"] for event in room_response["timeline"]],
expected_event_ids=message_events,
message=str(room_response["timeline"]),
)
# We don't expect to get the room create down, as nothing has changed.
self.assertNotIn("required_state", room_response)
# Decreasing the timeline limit shouldn't resend any events
sync_body["room_subscriptions"] = {
room_id1: {
"required_state": [],
"timeline_limit": 5,
}
}
event_response = self.helper.send(room_id1, "msg", tok=user1_tok)
latest_event_id = event_response["event_id"]
response_body, from_token = self.do_sync(
sync_body, since=from_token, tok=user1_tok
)
room_response = response_body["rooms"][room_id1]
self.assertNotIn("initial", room_response)
self.assertNotIn("unstable_expanded_timeline", room_response)
self.assertEqual(room_response["limited"], False)
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[event["event_id"] for event in room_response["timeline"]],
expected_event_ids=[latest_event_id],
message=str(room_response["timeline"]),
)
# Increasing the limit to what it was before also should not resend any
# events
sync_body["room_subscriptions"] = {
room_id1: {
"required_state": [],
"timeline_limit": 10,
}
}
event_response = self.helper.send(room_id1, "msg", tok=user1_tok)
latest_event_id = event_response["event_id"]
response_body, from_token = self.do_sync(
sync_body, since=from_token, tok=user1_tok
)
room_response = response_body["rooms"][room_id1]
self.assertNotIn("initial", room_response)
self.assertNotIn("unstable_expanded_timeline", room_response)
self.assertEqual(room_response["limited"], False)
self._assertTimelineEqual(
room_id=room_id1,
actual_event_ids=[event["event_id"] for event in room_response["timeline"]],
expected_event_ids=[latest_event_id],
message=str(room_response["timeline"]),
)
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