public void ShouldHaveZeroDiscount()
{
var cartItem = new CartItem(new Product {
Name = "iPhone X", Price = 12000M
}, 2);
ICartItem ci = cartItem;
var discount = ci.Discount();
Assert.IsTrue(discount == 0);
}
public void ShouldHaveTenPercentDiscount()
{
var cartItem = new CartItem(new Product {
Name = "iPhone X", Price = 12000M
}, 4);
ICartItem ci = cartItem;
var discount = ci.Discount();
Assert.IsTrue(discount == 0.10M);
}
public void ShouldApplyDefaultDiscount()
{
var cartItem = new CartItem(new Product {
Name = "Samsun A70", Price = 10000M
}, 3);
ICartItem.SetDefaultDiscountAmount(2, 0.15M);
ICartItem ci = cartItem;
var discount = ci.Discount();
Assert.IsTrue(discount == 0.15M);
}
public void ShouldHaveTwentyPercentDiscount()
{
var cartItem = new CartItem(new Product {
Name = "LG 4K TV", Price = 16000M
}, 3);
ICartItem.SetDefaultDiscountAmount(2, 0.15M);
ICartItem ci = cartItem;
var discount = ci.Discount();
Assert.IsTrue(discount == 0.20M);
}
public void ShouldHaveFifteenPercentDiscountWhenAmountIsGreaterThanFive()
{
var cartItem = new CartItem(new Product {
Name = "iPhone X", Price = 12000M
}, 3);
ICartItem.SetDefaultDiscountAmount(2, 0.15M);
ICartItem ci = cartItem;
var discount = ci.Discount();
Assert.IsTrue(discount == 0.15M);
}