public void WhenTheItemIsNotCoveredByPreviousPricingRulesVATShuldBeZero()
{
//Arrange
var sut = new ComplexPricingShoppingBasket();
var item = new Item(new Product(10, "Newt"), 3);
sut.Add(item);
//Act
var result = sut.CalculateTotal();
//Assert
Assert.That(result, Is.EqualTo(30m));
}
public void WhenItemNameBeginsWithTVATShouldBeFlatRateOfFour()
{
//Arrange
var sut = new ComplexPricingShoppingBasket();
var item = new Item(new Product(10, "Tree Frog"), 3);
sut.Add(item);
//Act
var result = sut.CalculateTotal();
//Assert
Assert.That(result, Is.EqualTo(42m));
}
public void WhenTheItemNameHasMoreThan5LettersVATShouldBeTwiceTheLetters()
{
//Arrange
var sut = new ComplexPricingShoppingBasket();
var item = new Item(new Product(10, "Hippopotomonstrosesquipedaliophobia"), 3);
sut.Add(item);
//Act
var result = sut.CalculateTotal();
//Assert
Assert.That(result, Is.EqualTo(100m));
}
public void WhenItemNameBeginsWithVowelVATShouldBeTwentyPercent(string productName)
{
//Arrange
var sut = new ComplexPricingShoppingBasket();
var item = new Item(new Product(10, productName), 3);
sut.Add(item);
//Act
var result = sut.CalculateTotal();
//Assert
Assert.That(result, Is.EqualTo(36m));
}