public void AddProductToCart_AddsNewShoppingCartItem()
{
var target = new ShoppingCartRepository();
var preAddcart = target.GetById("TestUser");
Assert.IsNull(preAddcart);
var shoppingCartItem = target.AddProductToCart("TestUser", new Product() { ProductNumber ="BB-7421"});
var postAddcart = target.GetById("TestUser");
Assert.IsNotNull(postAddcart);
Assert.AreEqual(1, postAddcart.ShoppingCartItems.Count);
Assert.AreEqual("BB-7421", postAddcart.ShoppingCartItems.First().Product.ProductNumber);
Assert.AreSame(shoppingCartItem, postAddcart.ShoppingCartItems.First());
}
public void DeleteCart_DeletesCart_AndReturnsTrue()
{
var target = new ShoppingCartRepository();
target.AddProductToCart("TestUser", new Product { ProductNumber = "BB-7421" });
var cart = target.GetById("TestUser");
Assert.IsNotNull(cart);
var success = target.Delete("TestUser");
Assert.IsTrue(success);
var emptyCart = target.GetById("TestUser");
Assert.IsNull(emptyCart);
}
public void AddProductToCart_AddsNewShoppingCartItemToExistingCart()
{
var target = new ShoppingCartRepository();
target.AddProductToCart("TestUser", new Product() { ProductNumber ="BB-7421"});
target.AddProductToCart("TestUser", new Product() { ProductNumber = "BB-8107" });
var cart = target.GetById("TestUser");
Assert.IsNotNull(cart);
Assert.AreEqual(2, cart.ShoppingCartItems.Count);
Assert.IsNotNull(cart.ShoppingCartItems.First(item => item.Product.ProductNumber == "BB-7421"));
Assert.IsNotNull(cart.ShoppingCartItems.First(item => item.Product.ProductNumber == "BB-8107"));
}
public void AddProductToCart_AddsNewShoppingCartItemToExistingCart_WithSameProduct()
{
var target = new ShoppingCartRepository();
target.AddProductToCart("TestUser", new Product { ProductNumber = "123" });
target.AddProductToCart("TestUser", new Product { ProductNumber = "123" });
var cart = target.GetById("TestUser");
Assert.IsNotNull(cart);
Assert.AreEqual(1, cart.ShoppingCartItems.Count);
var items = cart.ShoppingCartItems.Where(item => item.Product.ProductNumber == "123");
Assert.AreEqual(1, items.Count());
Assert.AreEqual(2, items.First().Quantity);
}
public void DeleteCart_ReturnsFalse_WhenCartDoesNotExist()
{
var target = new ShoppingCartRepository();
var emptyCart = target.GetById("TestUser");
Assert.IsNull(emptyCart);
var success = target.Delete("TestUser");
Assert.IsFalse(success);
}