public void GivenFindWhenNoMatchingPromotionFoundThenReturnNull()
{
var sut = new PromotionProvider();
var promotion = sut.Find(new CartItem(new Item()
{
Sku = "Random"
}, 2));
promotion.Should().BeNull();
}
public void GivenFindWhenMatchingPromotionFoundThenReturnPromotion()
{
var sut = new PromotionProvider();
var promotion = sut.Find(new CartItem(new Item()
{
Sku = "D"
}, 2));
promotion.Should().NotBeNull();
promotion.Should().BeOfType <QuantityForPercentagePromotion>();
}