@Test
 public void testDelete() throws Exception {
   commodityViewDAO.create(commodityView);
   List<CommodityView> c = commodityViewDAO.getByIdCommodity(commodity.getId());
   for (CommodityView test : c) commodityViewDAO.delete(test.getId());
   assertThat(
       "Expected empty List ",
       commodityViewDAO.getByIdCommodity(commodity.getId()).isEmpty(),
       is(true));
 }
  private void fillDbTables() throws Exception {
    for (Category cat : categories) categoryDAO.create(cat);

    for (Producer p : producers) producerDAO.create(p);

    Long idProducer = producerDAO.getByName("Apple").getId();
    Long idCategory = categoryDAO.getByName("Tablet").getId();

    commodity.setIdProducer(idProducer);
    commodity.setIdCategory(idCategory);
    commodityDAO.create(commodity);
    commodity = commodityDAO.getByName("Ipad4");

    commodityView.setIdCommodity(commodity.getId());
  }
  @Test
  public void testUpdate() throws Exception {
    commodityViewDAO.create(commodityView);
    List<CommodityView> c = commodityViewDAO.getByIdCommodity(commodity.getId());

    CommodityView view = c.get(0);
    long id = view.getId();
    long idCommodity = view.getIdCommodity();

    someCommodityView = new CommodityView();
    someCommodityView.setId(id);
    someCommodityView.setIdCommodity(idCommodity);
    someCommodityView.setCommodityPhoto(view.getCommodityPhoto());
    someCommodityView.setCommodityPhotoType(ImageType.png);
    someCommodityView.setGalleryPhoto(true);

    commodityViewDAO.update(someCommodityView);

    CommodityView test = commodityViewDAO.getById(id);

    assertEquals(someCommodityView, test);
  }