public void TenPercentDiscount()
{
// ARRANGE
SupermarketCatalog catalog = new FakeCatalog();
var toothbrush = new Product("toothbrush", ProductUnit.Each);
catalog.AddProduct(toothbrush, 0.99);
var apples = new Product("apples", ProductUnit.Kilo);
catalog.AddProduct(apples, 1.99);
var cart = new ShoppingCart();
cart.AddItemQuantity(apples, 2.5);
var teller = new Teller(catalog);
teller.AddSpecialOffer(SpecialOfferType.TenPercentDiscount, toothbrush, 10.0);
// ACT
var receipt = teller.ChecksOutArticlesFrom(cart);
// ASSERT
Assert.Equal(4.975, receipt.GetTotalPrice());
Assert.Equal(new List <Discount>(), receipt.GetDiscounts());
Assert.Single(receipt.GetItems());
var receiptItem = receipt.GetItems()[0];
Assert.Equal(apples, receiptItem.Product);
Assert.Equal(1.99, receiptItem.Price);
Assert.Equal(2.5 * 1.99, receiptItem.TotalPrice);
Assert.Equal(2.5, receiptItem.Quantity);
}
private static Teller CreateTeller()
{
SupermarketCatalog catalog = new FakeCatalog();
catalog.AddProduct(Toothbrush, 0.99);
catalog.AddProduct(Apples, 1.99);
return(new Teller(catalog));
}
public void ProductIsNotInCatalog_ReturnKeyNotFoundException()
{
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(RubberGloves, 399);
Catalog.AddProduct(Talc, 399);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(Stethoscope, 1));
var order = new Order(Catalog);
Assert.Throws <KeyNotFoundException>(() => order.ChecksOutGoods(cart));
}
public void GetTotalCartPrice_IfOfferIsNotApplied_OnAllProduct_ReturnAmountWithUnDiscountedPrice()
{
double expectedValue = 458.90;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(RubberGloves, 59.90);
Catalog.AddProduct(Stethoscope, 399);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(RubberGloves, 1));
cart.AddLine(new OrderLine(Stethoscope, 1));
var order = new Order(Catalog);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void OrderLineIsEmpty_ReturnArgumentNullException()
{
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(RubberGloves, 399);
ShoppingCart cart = new ShoppingCart();
var order = new Order(Catalog);
Assert.Throws <ArgumentNullException>(() => order.ChecksOutGoods(cart));
}
public void GetTotalCartPrice_IfOfferOnStethoscope_ReturnAmountWithDiscountPrice()
{
double expectedValue = 1179.745;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(Talc, 19.54);
Catalog.AddProduct(Stethoscope, 19.54);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(Stethoscope, 3));
cart.AddLine(new OrderLine(Talc, 9.25));
var order = new Order(Catalog);
order.AddSpecialOffer(SpecialOfferType.ThreeForAmount, Stethoscope);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_IfOfferOnRubberGloves_ReturnAmountWithDiscountPrice()
{
double expectedValue = 315.2;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(RubberGloves, 59.90);
Catalog.AddProduct(Talc, 19.54);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(RubberGloves, 3));
cart.AddLine(new OrderLine(Talc, 10));
var order = new Order(Catalog);
order.AddSpecialOffer(SpecialOfferType.ThreeForTwo, RubberGloves);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_IfOfferIsApplied_SingleProduct_ReturnAmountWithDiscountedPriceForOneProdcuctInCart()
{
double expectedValue = 2177.70;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(RubberGloves, 59.90);
Catalog.AddProduct(Stethoscope, 399);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(RubberGloves, 3));
cart.AddLine(new OrderLine(Stethoscope, 6));
var order = new Order(Catalog);
order.AddSpecialOffer(SpecialOfferType.ThreeForAmount, Stethoscope);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_NotInOffer_ForTalc_ReturnAmountWihtUndiscountPrice(double weight, double expectedValue)
{
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(Talc, 19.54);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(Talc, weight));
var order = new Order(Catalog);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_IfOfferIsNotAppliedOnValidQuantity_OfStethoscope_ReturnAmountWithUnDiscountedPrice()
{
double expectedValue = 1197;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(Stethoscope, 399);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(Stethoscope, 3));
var order = new Order(Catalog);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_IfOfferNotValidOnQunatity_ForOnePairRubberGloves_ReturnAmountWithDicountedPrice()
{
double expectedValue = 59.90;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(RubberGloves, 59.90);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(RubberGloves, 1));
var order = new Order(Catalog);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_IfOfferIsValid_ForStethoscope_ReturnAmountWithDiscountedPrice(int quantity, double expectedValue)
{
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(Stethoscope, 399);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(Stethoscope, quantity));
var order = new Order(Catalog);
order.AddSpecialOffer(SpecialOfferType.ThreeForAmount, Stethoscope);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_OfferNotValidOnProduct_ReturnAmountWithUnDiscountedPrice(SpecialOfferType specialOfferType)
{
double expectedValue = 29.31;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(Talc, 19.54);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(Talc, 1.5));
var order = new Order(Catalog);
order.AddSpecialOffer(specialOfferType, Talc);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_IfInValidProductOffer_Stethoscope_ReturnAmountWithUnDiscountedPrice()
{
double expectedValue = 1197;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(Stethoscope, 399);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(Stethoscope, 3));
var order = new Order(Catalog);
order.AddSpecialOffer(SpecialOfferType.ThreeForAmount, RubberGloves);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}
public void GetTotalCartPrice_WithValidOffer_And_SeveralOrderLineOfSameCode_ForRubberGloves_ReturnAmountWithDiscountedPrice()
{
double expectedValue = 119.80;
IShoppingCatalog Catalog = new FakeCatalog();
Catalog.AddProduct(RubberGloves, 59.90);
ShoppingCart cart = new ShoppingCart();
cart.AddLine(new OrderLine(RubberGloves, 1));
cart.AddLine(new OrderLine(RubberGloves, 1));
cart.AddLine(new OrderLine(RubberGloves, 1));
var order = new Order(Catalog);
order.AddSpecialOffer(SpecialOfferType.ThreeForTwo, RubberGloves);
var receipt = order.ChecksOutGoods(cart);
double actaulValue = receipt.GetTotalPrice();
Assert.AreEqual(expectedValue, actaulValue);
}