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

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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
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39
tests/handlers/test_user_directory.py
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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