public int Addproduct(Product model)
 {
     this.productRepository.Add(model);
     this.unitOfWork.Commit();
     return model.ProductID;
 }
        public void CategoryTest()
        {
            //var cate = new Category
            //{
            //    Picture = null,
            //    Description = "分类测试2",
            //    CategoryName = "分类2"
            //};

            //var product = new Product
            //{
            //    ProductName = "product three",
            //    UnitPrice = 30.0M,
            //    UnitsInStock = 300,
            //    Discontinued = true,
            //    //CategoryId=1,
            //    Category = cate
            //};
            var product2 = new Product {
             ProductName="product five",
              UnitPrice=25,
               Discontinued=true,
                UnitsInStock=550,
                 CategoryId=1
            };

            //int result= this.productsvc.Addproduct(product);
            int result2 = this.productsvc.Addproduct(product2);
            Assert.AreEqual(true,result2>0);
        }