public async Task Should_Apply_PercentOfProductDiscountRule()
{
var percentOfProductDiscountRule = new CartPriceRule
{
Name = "Buy 2 butters and get one bread at 50%",
SourceCondition = new Condition {
Sku = "303003"
},
DestinationCondition = new Condition {
Sku = "404004"
},
Action = new Action
{
ActionType = ActionType.PercentOfProductDiscount, DiscountStep = 2, DiscountAmount = 50
} //Buy 2 butters, get one bread at 50%
};
var cartPriceRules = new[]
{
percentOfProductDiscountRule
};
var basket = new Basket(101)
{
BasketItems = new List <BasketItem>
{
new BasketItem(new Product {
Sku = "303003", Name = "Butter", Price = 0.80m
}, 2),
new BasketItem(new Product {
Sku = "404004", Name = "Bread", Price = 1.0m
}, 2)
}
};
_fixture.CartPriceRuleRepository.Setup(s => s.GetCartPriceRulesAsync())
.Returns(() => Task.FromResult(cartPriceRules));
_fixture.RuleFactory
.Setup(s => s.GetRule(basket.BasketItems, percentOfProductDiscountRule))
.Returns(() => new PercentOfProductDiscountRule(basket.BasketItems, percentOfProductDiscountRule));
await _fixture.Target.ApplyPriceRulesAsync(basket);
basket.Discounts.First().Price.Should().Be(0.50m);
}
public async Task Should_Apply_BuyXGetYFreeRule()
{
var buyXGetYFreeRule = new CartPriceRule
{
Name = "Buy 3 Milk get the 4th for free.",
SourceCondition = new Condition {
Sku = "200202"
},
DestinationCondition = new Condition {
Sku = "200202"
},
Action = new Action
{
ActionType = ActionType.BuyXGetYFree, DiscountStep = 3, DiscountAmount = 1
} //Buy 3, get 1 for free
};
var cartPriceRules = new[]
{
buyXGetYFreeRule
};
var basket = new Basket(101)
{
BasketItems = new List <BasketItem>
{
new BasketItem(new Product {
Sku = "200202", Name = "Milk", Price = 1.15m
}, 4)
}
};
_fixture.CartPriceRuleRepository.Setup(s => s.GetCartPriceRulesAsync())
.Returns(() => Task.FromResult(cartPriceRules));
_fixture.RuleFactory.Setup(s => s.GetRule(basket.BasketItems, buyXGetYFreeRule))
.Returns(() => new BuyXGetYFreeRule(basket.BasketItems, buyXGetYFreeRule));
await _fixture.Target.ApplyPriceRulesAsync(basket);
basket.Discounts.First().Price.Should().Be(1.15m);
}
public BuyXGetYFreeRule(IEnumerable <BasketItem> basketItems,
CartPriceRule cartPriceRule)
{
_basketItems = basketItems;
_cartPriceRule = cartPriceRule;
}
public PercentOfProductDiscountRule(IEnumerable <BasketItem> basketItems,
CartPriceRule cartPriceRule)
{
_basketItems = basketItems;
_cartPriceRule = cartPriceRule;
}
public IRule GetRule(IEnumerable <BasketItem> basketItems, CartPriceRule cartPriceRule)
{
return((IRule)Activator.CreateInstance(Type.GetType($"TQ.ShoppingBasket.Service.Rules.{cartPriceRule.Action.ActionType}Rule"),
new object[] { basketItems, cartPriceRule }));
}
