public void ScanSingleItemAndReturnTotalPrice()
{
//Arrange
var product = new Product {
Sku = "A99", UnitPrice = .50m
};
var expectedPrice = .50m;
//Act
_checkoutFactory.Setup(x => x.CreateCheckout()).Returns(new List <IItemPriceRule>
{
new SingleItemPriceRule(product.Sku, product.UnitPrice)
});
_repo.Setup(x => x.DisplayAvailableItems()).Returns(new List <ProductDto>
{
new ProductDto
{
Sku = "A99",
UnitPrice = 0.50m
}
});
_checkout = new Service.Checkout(_checkoutFactory.Object, _repo.Object);
_checkout.ScanItem(product.Sku);
var actualPrice = _checkout.CalculateTotalPrice();
//Assert
Assert.AreEqual(expectedPrice, actualPrice);
}
public void ScanMultipleThreeAItemsReturnsTotalPrice()
{
//Arrange
var products = new List <Product>
{
new Product {
Sku = "A99", UnitPrice = .50m
},
new Product {
Sku = "A99", UnitPrice = .50m
},
new Product {
Sku = "A99", UnitPrice = .50m
}
};
var expectedPrice = 1.30m;
//Act
_checkoutFactory.Setup(x => x.CreateCheckout()).Returns(new List <IItemPriceRule>
{
new MultipleItemPriceRule("A99", 1.30m, 3)
});
_repo.Setup(x => x.DisplayAvailableItems()).Returns(new List <ProductDto>
{
new ProductDto
{
Sku = "A99",
UnitPrice = 0.50m
}
});
_checkout = new Service.Checkout(_checkoutFactory.Object, _repo.Object);
foreach (var item in products)
{
_checkout.ScanItem(item.Sku);
}
var actualPrice = _checkout.CalculateTotalPrice();
//Assert
Assert.AreEqual(expectedPrice, actualPrice);
}