add regression test for wildcard filters

tests/rest/client/test_rooms.py

@@ -2155,7 +2155,30 @@ def test_room_messages_purge(self) -> None:
         self.assertEqual(len(chunk), 0, [event["content"] for event in chunk])
 
     def test_room_message_filter_wildcard(self) -> None:
-        assert False
+        store = self.hs.get_datastores().main
+        # Send a first message in the room, which will be removed by the purge.
+        self.helper.send(self.room_id, "message 1", type="f.message.1")
+        self.helper.send(self.room_id, "message 1", type="f.message.2")
+
+        first_event_id = self.helper.send(self.room_id, "message 1")["event_id"]
+        first_token = self.get_success(
+            store.get_topological_token_for_event(first_event_id)
+        )
+        first_token_str = self.get_success(first_token.to_string(store))
+
+        channel = self.make_request(
+            "GET",
+            "/rooms/%s/messages?access_token=x&from=%s&dir=b&filter=%s"
+            % (
+                self.room_id,
+                first_token_str,
+                json.dumps({"types": ['f.message.*']}),
+            ),
+        )
+        self.assertEqual(channel.code, HTTPStatus.OK, channel.json_body)
+
+        chunk = channel.json_body["chunk"]
+        self.assertEqual(len(chunk), 2, [event["content"] for event in chunk])
 
 
 class RoomSearchTestCase(unittest.HomeserverTestCase):

tests/rest/client/utils.py

@@ -364,6 +364,7 @@ def send(
         tok: Optional[str] = None,
         expect_code: int = HTTPStatus.OK,
         custom_headers: Optional[Iterable[Tuple[AnyStr, AnyStr]]] = None,
+        type: str = "m.room.message",
     ) -> JsonDict:
         if body is None:
             body = "body_text_here"
@@ -372,7 +373,7 @@ def send(
 
         return self.send_event(
             room_id,
-            "m.room.message",
+            type,
             content,
             txn_id,
             tok,