public void AppliesNoDiscount_ForNonApplicableProduct()
{
// Arrange
var sut = new PercentageOffDiscount("Apples", 0.10m);
var _productsInCart = new List <ProductInCart>()
{
new ProductInCart()
{
Product = new Product("Milk", 1.30M), Quantity = 1
}
};
// Act
var result = sut.ApplyDiscount(_productsInCart);
// Assert
Assert.False(result.Any());
}
public void AppliesDiscount_ForMoreThanOneApplicableProduct()
{
// Arrange
var sut = new PercentageOffDiscount("Apples", 0.10m);
var _productsInCart = new List <ProductInCart>()
{
new ProductInCart()
{
Product = new Product("Apples", 1.00M), Quantity = 2
}
};
// Act
var result = sut.ApplyDiscount(_productsInCart);
// Assert
Assert.Single(result);
Assert.Equal(.20M, result.First().DiscountAmount);
}
