@Before
 public void setUp() throws SQLException {
   ds = prepareDataSource();
   DBUtils.executeSqlScript(ds, RoomManager.class.getResource("createTables.sql"));
   manager = new HotelManagerImpl();
   manager.setDataSource(ds);
   personManager = new PersonManagerImpl();
   personManager.setDataSource(ds);
   roomManager = new RoomManagerImpl();
   roomManager.setDataSource(ds);
   prepareTestData();
 }
  private void prepareTestData() {

    r1 = newRoom(RoomType.apartment, 1);
    r2 = newRoom(RoomType.apartment, 2);
    r3 = newRoom(RoomType.bungalow, 3);

    p1 = newPerson("Jozko1", "Mrkvička1", "obc3211", "tel6541", "[email protected]");
    p2 = newPerson("Jozko2", "Mrkvička2", "obc3212", "tel6542", "[email protected]");
    p3 = newPerson("Jozko3", "Mrkvička3", "obc3213", "tel6543", "[email protected]");
    p4 = newPerson("Jozko4", "Mrkvička4", "obc3214", "tel6544", "[email protected]");
    p5 = newPerson("Jozko5", "Mrkvička5", "obc3215", "tel6545", "[email protected]");

    personManager.createPerson(p1);
    personManager.createPerson(p2);
    personManager.createPerson(p3);
    personManager.createPerson(p4);
    personManager.createPerson(p5);

    roomManager.createRoom(r1);
    roomManager.createRoom(r2);
    roomManager.createRoom(r3);

    roomWithNullId = newRoom(RoomType.apartment, 1);
    roomNotInDB = newRoom(RoomType.apartment, 1);
    roomNotInDB.setId(r3.getId() + 100);
    personWithNullId =
        newPerson(
            "Jozko null", "Mrkvička null", "obc321 null", "tel654 null", "[email protected] null");
    personNotInDB =
        newPerson(
            "Jozko not in db",
            "Mrkvička not in db",
            "obc321 not in db",
            "tel654 not in db",
            "[email protected] not in db");
    personNotInDB.setId(p5.getId() + 100);
  }