public void OneCopyOfAnyOfTheFiveBooksCosts8Eur(string book)
{
PotterBasket basket = SetupBasket();
basket.Add(book);
Assert.AreEqual(8M, basket.Total);
}
public void IfYouBuyTwoDifferentBooksYouGetA5PercentDiscountOnThoseTwoBooks(string book1, string book2)
{
PotterBasket basket = SetupBasket();
basket.Add(book1);
basket.Add(book2);
Assert.AreEqual(8M * 2 * 0.95M, basket.Total);
}
public void TwoCopiesOfTheSameBookCosts16Eur(string book)
{
PotterBasket basket = SetupBasket();
basket.Add(book);
basket.Add(book);
Assert.AreEqual(16M, basket.Total);
}
public void IfYouBuyThreeDifferentBooksYouGetA10PercentDiscountOnThoseThreeBooks(string book1, string book2,
string book3)
{
PotterBasket basket = SetupBasket();
basket.Add(book1);
basket.Add(book2);
basket.Add(book3);
Assert.AreEqual(8M * 3 * 0.9M, basket.Total);
}
public void With4DifferentBooksYouGetA20PercentDiscount(string book1, string book2, string book3, string book4)
{
PotterBasket basket = SetupBasket();
basket.Add(book1);
basket.Add(book2);
basket.Add(book3);
basket.Add(book4);
Assert.AreEqual(8M * 4 * 0.8M, basket.Total);
}
public void IfYouBuyAll5YouGetAHuge25PercentDiscount(string book1, string book2, string book3, string book4,
string book5)
{
PotterBasket basket = SetupBasket();
basket.Add(book1);
basket.Add(book2);
basket.Add(book3);
basket.Add(book4);
basket.Add(book5);
Assert.AreEqual(8M * 5 * 0.75M, basket.Total);
}
public void HowMuchDoesThisBasketOfBooksCost()
{
PotterBasket basket = SetupBasket();
basket.Add("Harry Potter and the Philosopher's Stone");
basket.Add("Harry Potter and the Philosopher's Stone");
basket.Add("Harry Potter and the Chamber of Secrets");
basket.Add("Harry Potter and the Chamber of Secrets");
basket.Add("Harry Potter and the Prisoner of Azkaban");
basket.Add("Harry Potter and the Prisoner of Azkaban");
basket.Add("Harry Potter and the Goblet of Fire");
basket.Add("Harry Potter and the Order of the Phoenix");
Assert.AreEqual(51.20M, basket.Total);
}
protected void SetUp()
{
_potterBasket = new PotterBasket();
}
private PotterBasket SetupBasket()
{
var basket = new PotterBasket();
return(basket);
}
