public void OnSalePromotion_WithoutProduct_ShouldNotApplyOnOrder()
{
var order = new Order(new [] { new Item(secondProduct) });
var onSalePromotion = new OnSalePromotion {
Product = firstProduct, SalePrice = 1.49
};
var discounts = onSalePromotion.ApplyTo(order);
Assert.Equal(0, discounts.Count);
}
public void OnSalePromotion_WithProduct_ShouldApplyOnOrder()
{
var order = new Order(new [] { new Item(firstProduct), new Item(secondProduct) });
var onSalePromotion = new OnSalePromotion {
Product = firstProduct, SalePrice = 1.49
};
var discounts = onSalePromotion.ApplyTo(order);
Assert.Equal(1, discounts.Count);
Assert.Equal(order.Items[0], discounts[0].Item);
Assert.Equal(firstProduct.Price - 1.49, discounts[0].Value);
}
