public void TestAddPositive()
{
var item = new Item();
var discount = new Discount();
discountCollection.Add(item, discount);
Assert.AreEqual(discount, discountCollection.GetOrDefault(item, null));
}
public void TestPayItemsWithDiscountPositive()
{
var apple = new Item {
Name = "Apple", Price = 30
};
var banana = new Item {
Name = "Banana", Price = 50
};
var peach = new Item {
Name = "Peach", Price = 60
};
checkout.AddItem(2, apple);
checkout.AddItem(7, banana);
checkout.AddItem(4, peach);
var discountApple = new Discount {
Name = "2 for 45", Quantity = 2, Price = 45
};
var discountBanana = new Discount {
Name = "3 for 130", Quantity = 3, Price = 130
};
var discountPeach = new Discount {
Name = "5 for 40", Quantity = 5, Price = 40
};
discountCollection.Add(apple, discountApple);
discountCollection.Add(banana, discountBanana);
discountCollection.Add(peach, discountPeach);
var checkoutBill = checkout.PayItems();
var paidApple = new CheckoutItem(apple, discountApple)
{
Amount = 2, Price = 45,
AppliedDiscounts = 1
};
var paidBanana = new CheckoutItem(banana, discountBanana)
{
Amount = 7, Price = 310,
AppliedDiscounts = 2
};
var paidPeach = new CheckoutItem(peach, discountPeach)
{
Amount = 4, Price = 240,
AppliedDiscounts = 0
};
Assert.True(checkoutBill.Items.Contains(paidApple));
Assert.True(checkoutBill.Items.Contains(paidBanana));
Assert.True(checkoutBill.Items.Contains(paidPeach));
Assert.AreEqual(595, checkoutBill.Total);
}
public void TestPayItemsWithDiscountNegative()
{
var apple = new Item {
Name = "Apple", Price = 30
};
var banana = new Item {
Name = "Banana", Price = 50
};
var peach = new Item {
Name = "Peach", Price = 60
};
checkout.AddItem(2, apple);
checkout.AddItem(7, banana);
checkout.AddItem(4, peach);
var invalidDiscountCollection = new SupermarketCheckout.DiscountCollection
{
ValidityRange =
new SupermarketCheckout.Utils.DateTimeRange(new DateTime(DateTime.Now.Year - 1, 6, 10),
new DateTime(DateTime.Now.Year - 1, 6, 16))
};
var discountApple = new Discount {
Name = "2 for 45", Quantity = 2, Price = 45
};
var discountBanana = new Discount {
Name = "3 for 130", Quantity = 3, Price = 130
};
var discountPeach = new Discount {
Name = "5 for 40", Quantity = 5, Price = 40
};
invalidDiscountCollection.Add(apple, discountApple);
invalidDiscountCollection.Add(banana, discountBanana);
invalidDiscountCollection.Add(peach, discountPeach);
checkout.DiscountCollection = invalidDiscountCollection;
var checkoutBill = checkout.PayItems();
var paidApple = new CheckoutItem(apple, SupermarketCheckout.Checkout.NoDiscount)
{
Amount = 2, Price = 60,
AppliedDiscounts = 0
};
var paidBanana = new CheckoutItem(banana, SupermarketCheckout.Checkout.NoDiscount)
{
Amount = 7, Price = 350,
AppliedDiscounts = 0
};
var paidPeach = new CheckoutItem(peach, SupermarketCheckout.Checkout.NoDiscount)
{
Amount = 4, Price = 240,
AppliedDiscounts = 0
};
Assert.True(checkoutBill.Items.Contains(paidApple));
Assert.True(checkoutBill.Items.Contains(paidBanana));
Assert.True(checkoutBill.Items.Contains(paidPeach));
Assert.AreEqual(650, checkoutBill.Total);
}