diff --git a/changelog.d/9416.bugfix b/changelog.d/9416.bugfix
new file mode 100644
index 0000000000..4d79cb2228
--- /dev/null
+++ b/changelog.d/9416.bugfix
@@ -0,0 +1 @@
+Fix a bug that caused multiple calls to the experimental `shared_rooms` endpoint to return stale results.
\ No newline at end of file
diff --git a/synapse/storage/databases/main/user_directory.py b/synapse/storage/databases/main/user_directory.py
index 02ee15676c..1026f321e5 100644
--- a/synapse/storage/databases/main/user_directory.py
+++ b/synapse/storage/databases/main/user_directory.py
@@ -497,8 +497,7 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore):
async def add_users_in_public_rooms(
self, room_id: str, user_ids: Iterable[str]
) -> None:
- """Insert entries into the users_who_share_private_rooms table. The first
- user should be a local user.
+ """Insert entries into the users_in_public_rooms table.
Args:
room_id
@@ -670,7 +669,6 @@ class UserDirectoryStore(UserDirectoryBackgroundUpdateStore):
users.update(rows)
return list(users)
- @cached()
async def get_shared_rooms_for_users(
self, user_id: str, other_user_id: str
) -> Set[str]:
diff --git a/tests/rest/client/v2_alpha/test_shared_rooms.py b/tests/rest/client/v2_alpha/test_shared_rooms.py
index 116ace1812..dd83a1f8ff 100644
--- a/tests/rest/client/v2_alpha/test_shared_rooms.py
+++ b/tests/rest/client/v2_alpha/test_shared_rooms.py
@@ -54,61 +54,62 @@ class UserSharedRoomsTest(unittest.HomeserverTestCase):
A room should show up in the shared list of rooms between two users
if it is public.
"""
- u1 = self.register_user("user1", "pass")
- u1_token = self.login(u1, "pass")
- u2 = self.register_user("user2", "pass")
- u2_token = self.login(u2, "pass")
-
- room = self.helper.create_room_as(u1, is_public=True, tok=u1_token)
- self.helper.invite(room, src=u1, targ=u2, tok=u1_token)
- self.helper.join(room, user=u2, tok=u2_token)
-
- channel = self._get_shared_rooms(u1_token, u2)
- self.assertEquals(200, channel.code, channel.result)
- self.assertEquals(len(channel.json_body["joined"]), 1)
- self.assertEquals(channel.json_body["joined"][0], room)
+ self._check_shared_rooms_with(room_one_is_public=True, room_two_is_public=True)
def test_shared_room_list_private(self):
"""
A room should show up in the shared list of rooms between two users
if it is private.
"""
- u1 = self.register_user("user1", "pass")
- u1_token = self.login(u1, "pass")
- u2 = self.register_user("user2", "pass")
- u2_token = self.login(u2, "pass")
-
- room = self.helper.create_room_as(u1, is_public=False, tok=u1_token)
- self.helper.invite(room, src=u1, targ=u2, tok=u1_token)
- self.helper.join(room, user=u2, tok=u2_token)
-
- channel = self._get_shared_rooms(u1_token, u2)
- self.assertEquals(200, channel.code, channel.result)
- self.assertEquals(len(channel.json_body["joined"]), 1)
- self.assertEquals(channel.json_body["joined"][0], room)
+ self._check_shared_rooms_with(
+ room_one_is_public=False, room_two_is_public=False
+ )
def test_shared_room_list_mixed(self):
"""
The shared room list between two users should contain both public and private
rooms.
"""
+ self._check_shared_rooms_with(room_one_is_public=True, room_two_is_public=False)
+
+ def _check_shared_rooms_with(
+ self, room_one_is_public: bool, room_two_is_public: bool
+ ):
+ """Checks that shared public or private rooms between two users appear in
+ their shared room lists
+ """
u1 = self.register_user("user1", "pass")
u1_token = self.login(u1, "pass")
u2 = self.register_user("user2", "pass")
u2_token = self.login(u2, "pass")
- room_public = self.helper.create_room_as(u1, is_public=True, tok=u1_token)
- room_private = self.helper.create_room_as(u2, is_public=False, tok=u2_token)
- self.helper.invite(room_public, src=u1, targ=u2, tok=u1_token)
- self.helper.invite(room_private, src=u2, targ=u1, tok=u2_token)
- self.helper.join(room_public, user=u2, tok=u2_token)
- self.helper.join(room_private, user=u1, tok=u1_token)
+ # Create a room. user1 invites user2, who joins
+ room_id_one = self.helper.create_room_as(
+ u1, is_public=room_one_is_public, tok=u1_token
+ )
+ self.helper.invite(room_id_one, src=u1, targ=u2, tok=u1_token)
+ self.helper.join(room_id_one, user=u2, tok=u2_token)
+ # Check shared rooms from user1's perspective.
+ # We should see the one room in common
+ channel = self._get_shared_rooms(u1_token, u2)
+ self.assertEquals(200, channel.code, channel.result)
+ self.assertEquals(len(channel.json_body["joined"]), 1)
+ self.assertEquals(channel.json_body["joined"][0], room_id_one)
+
+ # Create another room and invite user2 to it
+ room_id_two = self.helper.create_room_as(
+ u1, is_public=room_two_is_public, tok=u1_token
+ )
+ self.helper.invite(room_id_two, src=u1, targ=u2, tok=u1_token)
+ self.helper.join(room_id_two, user=u2, tok=u2_token)
+
+ # Check shared rooms again. We should now see both rooms.
channel = self._get_shared_rooms(u1_token, u2)
self.assertEquals(200, channel.code, channel.result)
self.assertEquals(len(channel.json_body["joined"]), 2)
- self.assertTrue(room_public in channel.json_body["joined"])
- self.assertTrue(room_private in channel.json_body["joined"])
+ for room_id_id in channel.json_body["joined"]:
+ self.assertIn(room_id_id, [room_id_one, room_id_two])
def test_shared_room_list_after_leave(self):
"""
@@ -132,6 +133,12 @@ class UserSharedRoomsTest(unittest.HomeserverTestCase):
self.helper.leave(room, user=u1, tok=u1_token)
+ # Check user1's view of shared rooms with user2
+ channel = self._get_shared_rooms(u1_token, u2)
+ self.assertEquals(200, channel.code, channel.result)
+ self.assertEquals(len(channel.json_body["joined"]), 0)
+
+ # Check user2's view of shared rooms with user1
channel = self._get_shared_rooms(u2_token, u1)
self.assertEquals(200, channel.code, channel.result)
self.assertEquals(len(channel.json_body["joined"]), 0)
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