public RedirectToRouteResult RemoveFromCart(Cart cart, int productId, string returnUrl)
{
Product product = repository.Products
.FirstOrDefault(p => p.ProductId == productId);
if (product != null)
{
cart.RemoveLine(product);
}
return RedirectToAction("Index", new { returnUrl });
}
public void Can_Remove_Line()
{
// Arrange - create some test products
Product p1 = new Product { ProductId = 1, ProductName = "P1" };
Product p2 = new Product { ProductId = 2, ProductName = "P2" };
Product p3 = new Product { ProductId = 3, ProductName = "P3" };
// Arrange - create a new cart
Cart 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);
// Act
target.RemoveLine(p2);
// Assert
Assert.AreEqual(target.Lines.Where(c => c.Product == p2).Count(), 0);
Assert.AreEqual(target.Lines.Count(), 2);
}