Don't drop user dir deltas when server leaves room (#10982)

Fix a long-standing bug where a batch of user directory changes would be
silently dropped if the server left a room early in the batch.

* Pull out `wait_for_background_update` in tests

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
This commit is contained in:
David Robertson 2021-10-06 13:56:45 +01:00 committed by GitHub
parent 38b7db5885
commit 370bca32e6
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11 changed files with 63 additions and 79 deletions

1
changelog.d/10982.bugfix Normal file
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@ -0,0 +1 @@
Fix a long-standing bug where the remainder of a batch of user directory changes would be silently dropped if the server left a room early in the batch.

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@ -220,7 +220,7 @@ class UserDirectoryHandler(StateDeltasHandler):
for user_id in user_ids:
await self._handle_remove_user(room_id, user_id)
return
continue
else:
logger.debug("Server is still in room: %r", room_id)

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@ -103,12 +103,7 @@ class StatsRoomTests(unittest.HomeserverTestCase):
# Do the initial population of the stats via the background update
self._add_background_updates()
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
def test_initial_room(self):
"""
@ -140,12 +135,7 @@ class StatsRoomTests(unittest.HomeserverTestCase):
# Do the initial population of the user directory via the background update
self._add_background_updates()
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
r = self.get_success(self.get_all_room_state())
@ -568,12 +558,7 @@ class StatsRoomTests(unittest.HomeserverTestCase):
)
)
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
r1stats_complete = self._get_current_stats("room", r1)
u1stats_complete = self._get_current_stats("user", u1)

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@ -363,6 +363,45 @@ class UserDirectoryTestCase(unittest.HomeserverTestCase):
self.assertEqual(len(s["results"]), 1)
self.assertEqual(s["results"][0]["user_id"], user)
def test_process_join_after_server_leaves_room(self) -> None:
alice = self.register_user("alice", "pass")
alice_token = self.login(alice, "pass")
bob = self.register_user("bob", "pass")
bob_token = self.login(bob, "pass")
# Alice makes two rooms. Bob joins one of them.
room1 = self.helper.create_room_as(alice, tok=alice_token)
room2 = self.helper.create_room_as(alice, tok=alice_token)
print("room1=", room1)
print("room2=", room2)
self.helper.join(room1, bob, tok=bob_token)
# The user sharing tables should have been updated.
public1 = self.get_success(self.user_dir_helper.get_users_in_public_rooms())
self.assertEqual(set(public1), {(alice, room1), (alice, room2), (bob, room1)})
# Alice leaves room1. The user sharing tables should be updated.
self.helper.leave(room1, alice, tok=alice_token)
public2 = self.get_success(self.user_dir_helper.get_users_in_public_rooms())
self.assertEqual(set(public2), {(alice, room2), (bob, room1)})
# Pause the processing of new events.
dir_handler = self.hs.get_user_directory_handler()
dir_handler.update_user_directory = False
# Bob leaves one room and joins the other.
self.helper.leave(room1, bob, tok=bob_token)
self.helper.join(room2, bob, tok=bob_token)
# Process the leave and join in one go.
dir_handler.update_user_directory = True
dir_handler.notify_new_event()
self.wait_for_background_updates()
# The user sharing tables should have been updated.
public3 = self.get_success(self.user_dir_helper.get_users_in_public_rooms())
self.assertEqual(set(public3), {(alice, room2), (bob, room2)})
def test_private_room(self) -> None:
"""
A user can be searched for only by people that are either in a public

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@ -79,12 +79,7 @@ class RoomBackgroundUpdateStoreTestCase(HomeserverTestCase):
self.store.db_pool.updates._all_done = False
# Now let's actually drive the updates to completion
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
# Make sure the background update filled in the room creator
room_creator_after = self.get_success(

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@ -66,12 +66,7 @@ class CleanupExtremBackgroundUpdateStoreTestCase(HomeserverTestCase):
# Ugh, have to reset this flag
self.store.db_pool.updates._all_done = False
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
def test_soft_failed_extremities_handled_correctly(self):
"""Test that extremities are correctly calculated in the presence of

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@ -242,12 +242,7 @@ class ClientIpStoreTestCase(unittest.HomeserverTestCase):
def test_devices_last_seen_bg_update(self):
# First make sure we have completed all updates.
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
user_id = "@user:id"
device_id = "MY_DEVICE"
@ -311,12 +306,7 @@ class ClientIpStoreTestCase(unittest.HomeserverTestCase):
self.store.db_pool.updates._all_done = False
# Now let's actually drive the updates to completion
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
# We should now get the correct result again
result = self.get_success(
@ -337,12 +327,7 @@ class ClientIpStoreTestCase(unittest.HomeserverTestCase):
def test_old_user_ips_pruned(self):
# First make sure we have completed all updates.
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
user_id = "@user:id"
device_id = "MY_DEVICE"

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@ -578,12 +578,7 @@ class EventChainBackgroundUpdateTestCase(HomeserverTestCase):
# Ugh, have to reset this flag
self.store.db_pool.updates._all_done = False
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
# Test that the `has_auth_chain_index` has been set
self.assertTrue(self.get_success(self.store.has_auth_chain_index(room_id)))
@ -619,12 +614,7 @@ class EventChainBackgroundUpdateTestCase(HomeserverTestCase):
# Ugh, have to reset this flag
self.store.db_pool.updates._all_done = False
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
# Test that the `has_auth_chain_index` has been set
self.assertTrue(self.get_success(self.store.has_auth_chain_index(room_id1)))

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@ -169,12 +169,7 @@ class CurrentStateMembershipUpdateTestCase(unittest.HomeserverTestCase):
def test_can_rerun_update(self):
# First make sure we have completed all updates.
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
# Now let's create a room, which will insert a membership
user = UserID("alice", "test")
@ -197,9 +192,4 @@ class CurrentStateMembershipUpdateTestCase(unittest.HomeserverTestCase):
self.store.db_pool.updates._all_done = False
# Now let's actually drive the updates to completion
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()

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@ -212,12 +212,7 @@ class UserDirectoryInitialPopulationTestcase(HomeserverTestCase):
)
)
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
self.wait_for_background_updates()
def test_initial(self) -> None:
"""

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@ -317,6 +317,15 @@ class HomeserverTestCase(TestCase):
self.reactor.advance(0.01)
time.sleep(0.01)
def wait_for_background_updates(self) -> None:
"""Block until all background database updates have completed."""
while not self.get_success(
self.store.db_pool.updates.has_completed_background_updates()
):
self.get_success(
self.store.db_pool.updates.do_next_background_update(100), by=0.1
)
def make_homeserver(self, reactor, clock):
"""
Make and return a homeserver.