diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py index 4095e63ae..1ca7fa742 100644 --- a/tests/rest/client/v1/test_rooms.py +++ b/tests/rest/client/v1/test_rooms.py @@ -815,6 +815,78 @@ class RoomMessageListTestCase(RoomBase): self.assertTrue("chunk" in channel.json_body) self.assertTrue("end" in channel.json_body) + def test_room_messages_purge(self): + store = self.hs.get_datastore() + pagination_handler = self.hs.get_pagination_handler() + + # Send a first message in the room, which will be removed by the purge. + 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) + ) + + # Send a second message in the room, which won't be removed, and which we'll + # use as the marker to purge events before. + second_event_id = self.helper.send(self.room_id, "message 2")["event_id"] + second_token = self.get_success( + store.get_topological_token_for_event(second_event_id) + ) + + # Send a third event in the room to ensure we don't fall under any edge case + # due to our marker being the latest forward extremity in the room. + self.helper.send(self.room_id, "message 3") + + # Check that we get the first and second message when querying /messages. + request, channel = self.make_request( + "GET", + "/rooms/%s/messages?access_token=x&from=%s&dir=b&filter=%s" + % (self.room_id, second_token, json.dumps({"types": [EventTypes.Message]})), + ) + self.render(request) + self.assertEqual(channel.code, 200, channel.json_body) + + chunk = channel.json_body["chunk"] + self.assertEqual(len(chunk), 2, [event["content"] for event in chunk]) + + # Purge every event before the second event. + purge_id = random_string(16) + pagination_handler._purges_by_id[purge_id] = PurgeStatus() + self.get_success( + pagination_handler._purge_history( + purge_id=purge_id, + room_id=self.room_id, + token=second_token, + delete_local_events=True, + ) + ) + + # Check that we only get the second message through /message now that the first + # has been purged. + request, channel = self.make_request( + "GET", + "/rooms/%s/messages?access_token=x&from=%s&dir=b&filter=%s" + % (self.room_id, second_token, json.dumps({"types": [EventTypes.Message]})), + ) + self.render(request) + self.assertEqual(channel.code, 200, channel.json_body) + + chunk = channel.json_body["chunk"] + self.assertEqual(len(chunk), 1, [event["content"] for event in chunk]) + + # Check that we get no event, but also no error, when querying /messages with + # the token that was pointing at the first event, because we don't have it + # anymore. + request, channel = self.make_request( + "GET", + "/rooms/%s/messages?access_token=x&from=%s&dir=b&filter=%s" + % (self.room_id, first_token, json.dumps({"types": [EventTypes.Message]})), + ) + self.render(request) + self.assertEqual(channel.code, 200, channel.json_body) + + chunk = channel.json_body["chunk"] + self.assertEqual(len(chunk), 0, [event["content"] for event in chunk]) + class RoomSearchTestCase(unittest.HomeserverTestCase): servlets = [