public RedirectToRouteResult RemoveFromCart(Cart cart, int productId, string returnUrl)
{
Product product = this._repository.Products.FirstOrDefault(p => p.ProductId == productId);
if (product != null)
{
cart.RemoveLine(product);
}
return RedirectToAction("Index", new { returnUrl });
}
public void CanRemoveLine()
{
// Arrange - create some test products
var p1 = new Product {ProductId = 1, Name = "P1"};
var p2 = new Product {ProductId = 2, Name = "P2"};
var p3 = new Product {ProductId = 3, Name = "P3"};
// Arrange - create a new cart
var target = new Cart();
// Arrange - add some products to the cart
target.AddItem(p1, 1);
target.AddItem(p2, 3);
target.AddItem(p3, 5);
target.AddItem(p2, 1);
// Action
target.RemoveLine(p2);
// Assert
Assert.AreEqual(target.Lines.Count(c => c.Product == p2), 0);
Assert.AreEqual(target.Lines.Count(), 2);
}