wip tests to filter out support user

synapse/storage/user_directory.py

@@ -339,7 +339,7 @@ class UserDirectoryStore(SQLBaseStore):
         rows = yield self._execute("get_all_local_users", None, sql)
         defer.returnValue([name for name, in rows])
 
-    def add_users_who_share_room(self, room_id, share_private, user_id_tuples):
+    def add_users_who_share_room(self, room_id, share_private, user_id_tuples_x):
         """Insert entries into the users_who_share_rooms table. The first
         user should be a local user.
 
@@ -350,9 +350,7 @@ class UserDirectoryStore(SQLBaseStore):
         """
         def _add_users_who_share_room_txn(txn):
             support_user = self.hs.config.support_user_id
-            for ut in user_id_tuples:
-                if support_user in ut:
-                    user_id_tuples.remove(ut)
+            user_id_tuples = filter(lambda x: support_user not in x, user_id_tuples_x)
 
             self._simple_insert_many_txn(
                 txn,

tests/storage/test_user_directory.py

@@ -75,3 +75,42 @@ class UserDirectoryStoreTestCase(unittest.TestCase):
             )
         finally:
             self.hs.config.user_directory_search_all_users = False
+
+    @defer.inlineCallbacks
+    def test_cannot_add_support_user_to_directory(self):
+        self.hs.config.user_directory_search_all_users = True
+        self.hs.config.support_user_id = "@support:test"
+        SUPPORT_USER = self.hs.config.support_user_id
+        yield self.store.add_profiles_to_user_dir(
+            "!room:id",
+            {SUPPORT_USER: ProfileInfo(None, "support")},
+        )
+        yield self.store.add_users_to_public_room("!room:id", [SUPPORT_USER])
+        yield self.store.add_users_who_share_room(
+            "!room:id", False, ((ALICE, SUPPORT_USER),)
+        )
+
+        r = yield self.store.search_user_dir(ALICE, "support", 10)
+        self.assertFalse(r["limited"])
+        self.assertEqual(0, len(r["results"]))
+
+        # add_users_who_share_room
+        # add_users_to_public_room
+        # add_profiles_to_user_dir
+        # update_user_in_user_dir
+        # update_profile_in_user_dir
+        # update_user_in_public_user_list
+
+        # yield self.store.add_profiles_to_user_dir(
+        #     "!room:id",
+        #     {SUPPORT_USER: ProfileInfo(None, "support")},
+        # )
+        # yield self.store.add_profiles_to_user_dir(SUPPORT_USER,
+        #
+        #
+        #
+        # yield self.store.add_users_to_public_room("!room:id", [SUPPORT_USER])
+        #
+        # yield self.store.add_users_who_share_room(
+        #     "!room:id", False, ((ALICE, SUPPORT_USER), (BOB, SUPPORT_USER))
+        # )