Beispiel #1
0
        public void AddItem(Product product, int quantity)
        {
            CartLine line = lineCollection
                .FirstOrDefault(p => p.Product.ProductID == product.ProductID);

            if (line == null) {
                lineCollection.Add(new CartLine {
                    Product = product,
                    Quantity = quantity
                });
            }
            else {
                line.Quantity += quantity;
            }
        }
Beispiel #2
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        public void Calculate_Cart_Total()
        {
            Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100 };
            Product p2 = new Product { ProductID = 2, Name = "P2", Price = 100 };
            Product p3 = new Product { ProductID = 3, Name = "P3", Price = 100 };
            Product p4 = new Product { ProductID = 4, Name = "P4", Price = 100 };

            //创建一个购物车
            Cart cart = new Cart();

            cart.AddItem(p1, 10);
            cart.AddItem(p2, 2);

            Assert.AreEqual(cart.ComputeTotalValue(), 1200);
        }
Beispiel #3
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        public void Can_Add_New_Lines()
        {
            Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100 };
            Product p2 = new Product { ProductID = 2, Name = "P2", Price = 100 };
            Product p3 = new Product { ProductID = 3, Name = "P3", Price = 100 };
            Product p4 = new Product { ProductID = 4, Name = "P4", Price = 100 };

            Cart cart = new Cart();

            cart.AddItem(p1, 10);
            cart.AddItem(p2, 2);
            var result = cart.Lines.ToArray();
            Assert.AreEqual(result.Length, 2);
            Assert.AreEqual(result[0].Product, p1);
            Assert.AreEqual(result[1].Product, p2);
        }
Beispiel #4
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        public void Can_Clear_Contents()
        {
            Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100 };
            Product p2 = new Product { ProductID = 2, Name = "P2", Price = 100 };
            Product p3 = new Product { ProductID = 3, Name = "P3", Price = 100 };
            Product p4 = new Product { ProductID = 4, Name = "P4", Price = 100 };

            //创建一个购物车
            Cart cart = new Cart();

            cart.AddItem(p1, 10);
            cart.AddItem(p2, 2);

            cart.ClearItem();

            Assert.AreEqual(cart.Lines.Count(), 0);
        }
Beispiel #5
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        public void Can_Remove_Line()
        {
            Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100 };
            Product p2 = new Product { ProductID = 2, Name = "P2", Price = 100 };
            Product p3 = new Product { ProductID = 3, Name = "P3", Price = 100 };
            Product p4 = new Product { ProductID = 4, Name = "P4", Price = 100 };

               //创建一个购物车
            Cart cart = new Cart();

            cart.AddItem(p1, 10);
            cart.AddItem(p2, 2);
            cart.AddItem(p1, 3);

            cart.RemoveItem(p2);

            Assert.AreEqual(cart.Lines.Count(c => c.Product == p2), 0);
            Assert.AreEqual(cart.Lines.First(p => p.Product==p1).Quantity, 13);
        }
Beispiel #6
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 public int RemoveItem(Product product)
 {
     return lineCollection.RemoveAll(l => l.Product.ProductID == product.ProductID);
 }