public void GetProductById()
 {
     using (var context = new Entity.StoreAppDBContext(options))
     {
         IRepository   _repo  = new RepoDB(context);
         Model.Product result = _repo.GetProductById(1);
         Assert.NotNull(result);
         Assert.Equal("j-g-t-s-01", result.Barcode);
     }
 }
        public void UpdateInventoryByProductId()
        {
            using (var context = new Entity.StoreAppDBContext(options))
            {
                IRepository   _repo   = new RepoDB(context);
                Model.Product product = _repo.GetProductById(1);

                _repo.UpdateInventory(product, 10);
                var result = _repo.GetInventory(product);

                Assert.Equal("j-g-t-s-01", product.Barcode);
                Assert.Equal(10, result.Quantity);
            }
        }