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authorAndrew Morgan <1342360+anoadragon453@users.noreply.github.com>2021-02-19 11:02:03 +0000
committerGitHub <noreply@github.com>2021-02-19 11:02:03 +0000
commit13e9029f447e724016b904a1c847de2ad4736d66 (patch)
treec7badc51e4998079c0261499efc84c9f0c6e078a /tests/handlers/test_user_directory.py
parentAdd configs to make profile data more private (#9203) (diff)
downloadsynapse-13e9029f447e724016b904a1c847de2ad4736d66.tar.xz
Add a config option to prioritise local users in user directory search results (#9383)
This PR adds a homeserver config option, `user_directory.prefer_local_users`, that when enabled will show local users higher in user directory search results than remote users. This option is off by default.

Note that turning this on doesn't necessarily mean that remote users will always be put below local users, but they should be assuming all other ranking factors (search query match, profile information present etc) are identical.

This is useful for, say, University networks that are openly federating, but want to prioritise local students and staff in the user directory over other random users.
Diffstat (limited to 'tests/handlers/test_user_directory.py')
-rw-r--r--tests/handlers/test_user_directory.py94
1 files changed, 94 insertions, 0 deletions
diff --git a/tests/handlers/test_user_directory.py b/tests/handlers/test_user_directory.py
index 3572e54c5d..8dddc12204 100644
--- a/tests/handlers/test_user_directory.py
+++ b/tests/handlers/test_user_directory.py
@@ -18,6 +18,7 @@ from twisted.internet import defer
 
 import synapse.rest.admin
 from synapse.api.constants import EventTypes, RoomEncryptionAlgorithms, UserTypes
+from synapse.api.room_versions import RoomVersion, RoomVersions
 from synapse.rest.client.v1 import login, room
 from synapse.rest.client.v2_alpha import user_directory
 from synapse.storage.roommember import ProfileInfo
@@ -46,6 +47,8 @@ class UserDirectoryTestCase(unittest.HomeserverTestCase):
     def prepare(self, reactor, clock, hs):
         self.store = hs.get_datastore()
         self.handler = hs.get_user_directory_handler()
+        self.event_builder_factory = self.hs.get_event_builder_factory()
+        self.event_creation_handler = self.hs.get_event_creation_handler()
 
     def test_handle_local_profile_change_with_support_user(self):
         support_user_id = "@support:test"
@@ -547,6 +550,97 @@ class UserDirectoryTestCase(unittest.HomeserverTestCase):
         s = self.get_success(self.handler.search_users(u1, u4, 10))
         self.assertEqual(len(s["results"]), 1)
 
+    @override_config(
+        {
+            "user_directory": {
+                "enabled": True,
+                "search_all_users": True,
+                "prefer_local_users": True,
+            }
+        }
+    )
+    def test_prefer_local_users(self):
+        """Tests that local users are shown higher in search results when
+        user_directory.prefer_local_users is True.
+        """
+        # Create a room and few users to test the directory with
+        searching_user = self.register_user("searcher", "password")
+        searching_user_tok = self.login("searcher", "password")
+
+        room_id = self.helper.create_room_as(
+            searching_user,
+            room_version=RoomVersions.V1.identifier,
+            tok=searching_user_tok,
+        )
+
+        # Create a few local users and join them to the room
+        local_user_1 = self.register_user("user_xxxxx", "password")
+        local_user_2 = self.register_user("user_bbbbb", "password")
+        local_user_3 = self.register_user("user_zzzzz", "password")
+
+        self._add_user_to_room(room_id, RoomVersions.V1, local_user_1)
+        self._add_user_to_room(room_id, RoomVersions.V1, local_user_2)
+        self._add_user_to_room(room_id, RoomVersions.V1, local_user_3)
+
+        # Create a few "remote" users and join them to the room
+        remote_user_1 = "@user_aaaaa:remote_server"
+        remote_user_2 = "@user_yyyyy:remote_server"
+        remote_user_3 = "@user_ccccc:remote_server"
+        self._add_user_to_room(room_id, RoomVersions.V1, remote_user_1)
+        self._add_user_to_room(room_id, RoomVersions.V1, remote_user_2)
+        self._add_user_to_room(room_id, RoomVersions.V1, remote_user_3)
+
+        local_users = [local_user_1, local_user_2, local_user_3]
+        remote_users = [remote_user_1, remote_user_2, remote_user_3]
+
+        # Populate the user directory via 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
+            )
+
+        # The local searching user searches for the term "user", which other users have
+        # in their user id
+        results = self.get_success(
+            self.handler.search_users(searching_user, "user", 20)
+        )["results"]
+        received_user_id_ordering = [result["user_id"] for result in results]
+
+        # Typically we'd expect Synapse to return users in lexicographical order,
+        # assuming they have similar User IDs/display names, and profile information.
+
+        # Check that the order of returned results using our module is as we expect,
+        # i.e our local users show up first, despite all users having lexographically mixed
+        # user IDs.
+        [self.assertIn(user, local_users) for user in received_user_id_ordering[:3]]
+        [self.assertIn(user, remote_users) for user in received_user_id_ordering[3:]]
+
+    def _add_user_to_room(
+        self, room_id: str, room_version: RoomVersion, user_id: str,
+    ):
+        # Add a user to the room.
+        builder = self.event_builder_factory.for_room_version(
+            room_version,
+            {
+                "type": "m.room.member",
+                "sender": user_id,
+                "state_key": user_id,
+                "room_id": room_id,
+                "content": {"membership": "join"},
+            },
+        )
+
+        event, context = self.get_success(
+            self.event_creation_handler.create_new_client_event(builder)
+        )
+
+        self.get_success(
+            self.hs.get_storage().persistence.persist_event(event, context)
+        )
+
 
 class TestUserDirSearchDisabled(unittest.HomeserverTestCase):
     user_id = "@test:test"