@Test public void testGetPlayerRoomBySession() throws Exception { UserProfile profile = new UserProfile("test", "test"); Room room = new RoomFFA("testRoom"); room.addUser(profile); profile.setCurrentroom(room); when(service.getUserBySession(anyString())).thenReturn(profile); Room testingRoom = gameServer.getPlayerRoomBySession(anyString()); assertNotNull(testingRoom); assertTrue(testingRoom.checkUser(profile)); when(service.getUserBySession(anyString())).thenReturn(null); assertNull(gameServer.getPlayerRoomBySession(anyString())); }