public void AdditionalPromotion_NoMultiple_ShouldNotApply()
{
var order = new Order(new [] { new Item(firstProduct) });
var additionalPromotion = new AdditionalPromotion {
Category = "fruit", Percent = 50
};
Assert.Equal(0, additionalPromotion.ApplyTo(order).Count);
}
public void AdditionalPromotion_AdditionalProducts_ShouldApply()
{
var order = new Order(new [] { new Item(firstProduct), new Item(secondProduct) });
var additionalPromotion = new AdditionalPromotion {
Category = "fruit", Percent = 50
};
var discounts = additionalPromotion.ApplyTo(order);
Assert.Equal(1, discounts.Count);
Assert.Equal(order.Items[1], discounts[0].Item);
Assert.Equal(secondProduct.Price / 2, discounts[0].Value);
}
