public void price_of_one_book_in_basket_is_8()
{
Basket sut = new BasketBuilder()
.AddCopyOfFirstBook();
var pirce = sut.CalculateTotalPrice();
pirce.Should().Be(8.0);
}
public void price_of_two_same_books_is_16()
{
Basket sut = new BasketBuilder()
.AddCopyOfFirstBook()
.AddCopyOfFirstBook();
var pirce = sut.CalculateTotalPrice();
pirce.Should().Be(16.0);
}
public void four_different_books_in_basket_gives_20proc_discount()
{
Basket sut = new BasketBuilder()
.AddCopyOfFirstBook()
.AddCopyOfSecondBook()
.AddCopyOfThirdBook()
.AddCopyOfForthBook();
var pirce = sut.CalculateTotalPrice();
pirce.Should().Be(0.80 * 32.0);
}
public void scenario()
{
Basket sut = new BasketBuilder()
.AddCopyOfFirstBook()
.AddCopyOfFirstBook()
.AddCopyOfSecondBook()
.AddCopyOfSecondBook()
.AddCopyOfThirdBook()
.AddCopyOfThirdBook()
.AddCopyOfForthBook()
.AddCopyOfFifthBook();
var pirce = sut.CalculateTotalPrice();
pirce.Should().Be(51.60);
}
public void two_different_books_in_basket_gives_5proc_discount()
{
Basket sut = new BasketBuilder()
.AddCopyOfFirstBook()
.AddCopyOfSecondBook();
var pirce = sut.CalculateTotalPrice();
pirce.Should().Be(0.95 * 16.0);
}