public void Checkout_ShouldReturnPriceOfItem(string sku, double price)
{
var shoppingItem = new Item(sku, price);
var expectedResult = shoppingItem.Price;
var actualResult = CheckoutSystem.CalculateTotal(new List <Item> {
shoppingItem
});
Assert.Equal(expectedResult, actualResult);
}
public void Checkout_ShouldReturnSumOfAllItems(string firstSku, double firstPrice, string secondSku, double secondPrice, double expectedResult)
{
var shoppingItemOne = new Item(firstSku, firstPrice);
var shoppingItemTwo = new Item(secondSku, secondPrice);
var actualResult = CheckoutSystem.CalculateTotal(new List <Item> {
shoppingItemOne, shoppingItemTwo
});
Assert.Equal(expectedResult, actualResult);
}
public void PrintReceipt_ReturnsItemsAndTotalAsAString(string firstSku, double firstPrice, string secondSku, double secondPrice)
{
var shoppingItemOne = new Item(firstSku, firstPrice);
var shoppingItemTwo = new Item(secondSku, secondPrice);
var receipt = CheckoutSystem.ScanItems(new List <Item> {
shoppingItemOne, shoppingItemTwo
});
var expectedReceipt =
$"Item Price\n{shoppingItemOne.Sku} {shoppingItemOne.Price}\n{shoppingItemTwo.Sku} {shoppingItemTwo.Price}\nTotal: {receipt.Total}";
var actualReceipt = CheckoutSystem.PrintReceipt(receipt);
Assert.Equal(expectedReceipt, actualReceipt);
}