public void GiftVoucherProduct_NotIncludedDiscountableTotal()
{
//Arrange
var basket = new Model.Basket();
var hat = new BasketItem(1, "Hat", ProductCategoryHat, 25.00m);
basket.AddBasketItem(hat);
var jumper = new BasketItem(4, "� Gift Voucher", ProductCategoryGiftCard, 30.00m);
basket.AddBasketItem(jumper);
var offerVoucher = new OfferVoucher("111-333", "�00 off baskets over �.00 Offer Voucher", 5.00m, 50.00m);
//Act
var addOfferVoucherResult = basket.AddVoucher(offerVoucher);
//Assert
Assert.AreEqual(addOfferVoucherResult, false);
Assert.AreEqual(basket.BasketItems.Count, 2);
Assert.AreEqual(basket.Vouchers.Count, 0);
Assert.That(basket.VoucherNotAppliedMessage, Is.Not.Null);
Assert.AreEqual(basket.VoucherNotAppliedMessage, "You have not reached the spend threshold for voucher 111-333. Spend another �.01 to receive �00 discount from your basket total.");
Assert.AreEqual(basket.GetSubTotal(), 55.00m);
}
bool IsVoucherValid(GiftVoucher voucher)
{
bool isVoucherValid = false;
if (voucher.GetType() == typeof(GiftVoucher))
{
isVoucherValid = true;
_discountTotal = _discountTotal + voucher.Discount;
}
else if (!IsOfferVoucherAlreadyApplied)
{
if (voucher.GetType() == typeof(OfferVoucher))
{
OfferVoucher offerVoucher = (OfferVoucher)voucher;
isVoucherValid = IsOfferVoucherValid(offerVoucher);
}
else if (voucher.GetType() == typeof(CategoryOfferVoucher))
{
CategoryOfferVoucher offerVoucher = (CategoryOfferVoucher)voucher;
isVoucherValid = IsCategoryOfferVoucherValid(offerVoucher);
}
}
else
{
_errorMessage = "You can only use one offer voucher at a time.";
}
return(isVoucherValid);
}
bool IsOfferVoucherValid(OfferVoucher voucher)
{
bool isValid = IsVoucherThresholdMet(voucher);
_discountTotal = (isValid) ? _discountTotal + voucher.Discount : _discountTotal;
return(isValid);
}
public void Basket4()
{
var product1 = new Product {
Name = "Hat", Price = 25.00M, Category = ProductCategory.Clothing
};
var product2 = new Product {
Name = "Jumper", Price = 26M, Category = ProductCategory.Clothing
};
var offerVoucher = new OfferVoucher {
Name = "YYY-YYY", Discount = 5M, Threshold = 50
};
var giftVoucher = new GiftVoucher {
Name = "XXX-XXX", Value = 5M
};
var basket = new Basket(new GiftVoucherService(), new ProductService(new Data.ProductRepository()));
basket.AddProduct(1);
basket.AddProduct(4);
basket.Voucher = offerVoucher;
basket.AddGiftVoucher(giftVoucher);
Assert.AreEqual(41M, basket.Total);
Assert.IsNull(basket.Message);
}
public void Basket3()
{
var product1 = new Product {
Name = "Hat", Price = 25.00M, Category = ProductCategory.Clothing
};
var product2 = new Product {
Name = "Jumper", Price = 26M, Category = ProductCategory.Clothing
};
var product3 = new Product {
Name = "Head Light", Price = 3.5M, Category = ProductCategory.HeadGear
};
var voucher = new OfferVoucher {
Name = "YYY-YYY", Discount = 5M, Category = ProductCategory.HeadGear, Threshold = 50
};
var basket = new Basket(new GiftVoucherService(), new ProductService(new Data.ProductRepository()));
basket.AddProduct(1);
basket.AddProduct(4);
basket.AddProduct(9);
basket.Voucher = voucher;
Assert.AreEqual(51M, basket.Total);
Assert.IsNull(basket.Message);
}
public void Voucher_with_category__basket_value_equals_threshold()
{
var product1 = new Product {
Id = 1, Name = "Shirt", Price = 20.00M, Category = ProductCategory.Clothing
};
var product2 = new Product {
Id = 2, Name = "Shirt", Price = 30.00M, Category = ProductCategory.Clothing
};
var offerVoucher = new OfferVoucher {
Name = "YYY-YYY", Discount = 5M, Threshold = 50, Category = ProductCategory.Clothing
};
var mock = new Mock <IProductService>();
mock.Setup(s => s.Get(1)).Returns(product1);
mock.Setup(s => s.Get(2)).Returns(product2);
var basket = new Basket(new GiftVoucherService(), mock.Object);
basket.AddProduct(1);
basket.AddProduct(2);
basket.Voucher = offerVoucher;
Assert.AreEqual(50M, basket.Total);
Assert.AreEqual("You have not reached the spend threshold for voucher YYY-YYY. Spend another �01 to receive �00 discount from your basket total.", basket.Message);
}
public void Voucher_no_category__basket_value_insufficient_because_of_gift_voucher()
{
var product1 = new Product {
Id = 1, Name = "Hat", Price = 25.00M, Category = ProductCategory.Clothing
};
var product2 = new Product {
Id = 2, Name = "aaa-aaa", Price = 50.00M, Category = ProductCategory.GiftVoucher
};
var offerVoucher = new OfferVoucher {
Name = "YYY-YYY", Discount = 5M, Threshold = 50
};
var mock = new Mock <IProductService>();
mock.Setup(s => s.Get(1)).Returns(product1);
mock.Setup(s => s.Get(2)).Returns(product2);
var basket = new Basket(new GiftVoucherService(), mock.Object);
basket.AddProduct(1);
basket.AddProduct(2);
basket.Voucher = offerVoucher;
Assert.AreEqual(75M, basket.Total);
Assert.AreEqual("You have not reached the spend threshold for voucher YYY-YYY. Spend another �.01 to receive �00 discount from your basket total.", basket.Message);
}
private bool OfferIsApplicable(List <Product> products, OfferVoucher offer)
{
if (offer.ApplicableProductTypes != null)
{
var allBasketProductTypes = products.Select(type => type.ProductType);
var productTypesMatchingOffer = allBasketProductTypes.Intersect(offer.ApplicableProductTypes);
if (productTypesMatchingOffer.Count() > 0)
{
decimal sum = 0.00m;
foreach (var product in products)
{
if (productTypesMatchingOffer.Contains(product.ProductType))
{
sum += product.Price;
}
}
if (sum < offer.Value)
{
offer.Value = sum;
}
return(true);
}
}
return(false);
}
public void Voucher_with_category__basket_value_sufficient__category_total_less_than_voucher()
{
var product1 = new Product {
Id = 1, Name = "Jumper", Price = 55.00M, Category = ProductCategory.Clothing
};
var product2 = new Product {
Id = 2, Name = "Head Light", Price = 3.50M, Category = ProductCategory.HeadGear
};
var offerVoucher = new OfferVoucher {
Name = "YYY-YYY", Discount = 5M, Threshold = 50, Category = ProductCategory.HeadGear
};
var mock = new Mock <IProductService>();
mock.Setup(s => s.Get(1)).Returns(product1);
mock.Setup(s => s.Get(2)).Returns(product2);
var basket = new Basket(new GiftVoucherService(), mock.Object);
basket.AddProduct(1);
basket.AddProduct(2);
basket.Voucher = offerVoucher;
Assert.AreEqual(55M, basket.Total);
Assert.IsNull(basket.Message);
}
private async Task <(IEnumerable <VoucherApplicationResponse>, string)> FormatVouchers(IEnumerable <Voucher> vouchers, IEnumerable <Item> items)
{
var giftVouchers = new List <GiftVoucher>();
OfferVoucher offerVoucher = null;
foreach (var voucher in vouchers)
{
switch (voucher.VoucherType)
{
case VoucherType.Offer:
if (offerVoucher != null)
{
return(null, "Can only apply one offer voucher");
}
offerVoucher = await _voucherRepository.GetOfferVoucherByVoucherId(voucher.VoucherId).ConfigureAwait(false);
break;
case VoucherType.Gift:
giftVouchers.Add(await _voucherRepository.GetGiftVoucherByVoucherId(voucher.VoucherId).ConfigureAwait(false));
break;
}
}
return(ApplyVouchersItems(offerVoucher, giftVouchers, items));
}
public async Task <IActionResult> CreateOffer([FromBody] OfferVoucher voucher)
{
if (await _voucherRepository.GetByCode(voucher.Code).ConfigureAwait(false) != null)
{
return(BadRequest($"Voucher with code '{voucher.Code}' already exists"));
}
if (voucher.SubsetGroup != null && !string.IsNullOrEmpty(voucher.SubsetGroup.Name))
{
var subsetGroup = await _subsetRepository.GetByName(voucher.SubsetGroup.Name).ConfigureAwait(false);
if (subsetGroup == null)
{
return(BadRequest($"Subset with name '{voucher.SubsetGroup.Name}' does not exist"));
}
voucher.SubsetGroup.SubsetId = subsetGroup.SubsetId;
}
var offerVoucher = await _voucherRepository.Create(voucher).ConfigureAwait(false);
var locatedAtUri = HttpContext.Request.CreateCreatedUri($"api/vouchers/{offerVoucher.VoucherId}");
return(Created(locatedAtUri, offerVoucher));
}
public void OfferVoucher_NotRedeemed_InvalidBasketItems()
{
//Arrange
var basket = new Model.Basket();
var hat = new BasketItem(1, "Hat", ProductCategoryHat, 25.00m);
basket.AddBasketItem(hat);
var jumper = new BasketItem(2, "Jumper", ProductCategoryTops, 26.00m);
basket.AddBasketItem(jumper);
var headGearVoucher = new OfferVoucher("111-333", "�00 off Head Gear in baskets over �.00 Offer Voucher", 5.00m, 50.00m, new List <int> {
ProductCategoryHeadGear
});
//Act
var addVoucherResult = basket.AddVoucher(headGearVoucher);
//Assert
Assert.AreEqual(addVoucherResult, false);
Assert.AreEqual(basket.BasketItems.Count, 2);
Assert.AreEqual(basket.Vouchers.Count, 0);
Assert.That(basket.VoucherNotAppliedMessage, Is.Not.Null);
Assert.AreEqual(basket.VoucherNotAppliedMessage, "There are no products in your basket applicable to voucher Voucher 111-333.");
Assert.AreEqual(basket.GetSubTotal(), 51.00m);
}
public void OfferVoucher_PartRedeemed_OK()
{
//Arrange
var basket = new Model.Basket();
var hat = new BasketItem(1, "Hat", ProductCategoryHat, 25.00m);
basket.AddBasketItem(hat);
var jumper = new BasketItem(2, "Jumper", ProductCategoryTops, 26.00m);
basket.AddBasketItem(jumper);
var headLight = new BasketItem(3, "Head Light", ProductCategoryHeadGear, 3.50m);
basket.AddBasketItem(headLight);
var headGearVoucher = new OfferVoucher("111-333", "�00 off Head Gear in baskets over �.00 Offer Voucher", 5.00m, 50.00m, new List <int> {
ProductCategoryHeadGear
});
//Act
var addVoucherResult = basket.AddVoucher(headGearVoucher);
//Assert
Assert.AreEqual(addVoucherResult, true);
Assert.AreEqual(basket.BasketItems.Count, 3);
Assert.AreEqual(basket.Vouchers.Count, 1);
Assert.That(basket.VoucherNotAppliedMessage, Is.Null);
Assert.AreEqual(basket.GetSubTotal(), 51.00m);
}
public void Voucher_WhenOfferVoucherInitialised_return_NotGiftVoucher()
{
GiftVoucher giftVoucher = new GiftVoucher("YYY-YYY", 5);
OfferVoucher expected = new OfferVoucher("YYY-YYY", 5);
expected.Should().NotBe(giftVoucher, "Gift vouchers have different rules to offer vouchers");
}
public void OfferGiftVoucher_Redeemed_OK()
{
//Arrange
var basket = new Model.Basket();
var hat = new BasketItem(1, "Hat", ProductCategoryHat, 25.00m);
basket.AddBasketItem(hat);
var jumper = new BasketItem(2, "Jumper", ProductCategoryTops, 26.00m);
basket.AddBasketItem(jumper);
var offerVoucher = new OfferVoucher("111-333", "�00 off baskets over �.00 Offer Voucher", 5.00m, 50.00m);
var giftVoucher = new GiftVoucher("111-222", "�00 Gift Voucher", 5.00m);
//Act
var addGiftVoucherResult = basket.AddVoucher(giftVoucher);
var addOfferVoucherResult = basket.AddVoucher(offerVoucher);
//Assert
Assert.AreEqual(addGiftVoucherResult, true);
Assert.AreEqual(addOfferVoucherResult, true);
Assert.AreEqual(basket.BasketItems.Count, 2);
Assert.AreEqual(basket.Vouchers.Count, 2);
Assert.That(basket.VoucherNotAppliedMessage, Is.Null);
Assert.AreEqual(basket.GetSubTotal(), 41.00m);
}
bool IsVoucherThresholdMet(OfferVoucher voucher)
{
bool isValid = false;
const decimal thresholdBoundary = 0.01m;
decimal adjustedPrice = _originalPrice;
List <Product> invalidThresholdItems = BasketItems.Where(w => w.Category == "Gift Vouchers").ToList();
if (invalidThresholdItems.Count > 0)
{
decimal totalInvalidCost = 0;
foreach (Product product in invalidThresholdItems)
{
totalInvalidCost = totalInvalidCost + product.Price;
}
adjustedPrice = (adjustedPrice - totalInvalidCost);
}
decimal remainingCostToReachThreshold = (voucher.Threshold - adjustedPrice) + thresholdBoundary;
if ((invalidThresholdItems.Count() == 0 && _originalPrice > voucher.Threshold) || remainingCostToReachThreshold <= 0)
{
isValid = true;
}
else
{
_errorMessage = $"You have not reached the spend threshold for the voucher {voucher.VoucherCode}. Spend another £{remainingCostToReachThreshold} to receive the £{voucher.Discount} discount from your basket total.";
}
return(isValid);
}
public void Basket_AcceptsOfferVoucher()
{
var testOffer = new OfferVoucher(10m, 15m);
_sut.AddVoucher(testOffer);
_sut.Vouchers.Should().Contain(testOffer);
}
public void GiftVoucher_AcceptsPositiveValue()
{
Action act = () =>
{
var sut = new OfferVoucher(10m, 10m);
};
act.ShouldNotThrow();
}
public void GiftVoucher_RejectsNegativeThreshold()
{
Action act = () =>
{
var sut = new OfferVoucher(10m, -10m);
};
act.ShouldThrow <ArgumentException>()
.WithMessage("Value cannot be negative.");
}
public void Basket_whenOfferVoucherAdded_return_BasketHasVoucher()
{
Cart cart = new Cart(new List <CartItem>()
{
new CartItem(new Product("Hat", 10.5, new Category("")), 1)
});
OfferVoucher offerVoucher = new OfferVoucher("XXX-XXX", 5);
Basket basket = new Basket(cart, offerVoucher);
Assert.IsTrue(basket.HasVouchers);
}
public void Basket_whenOfferVoucherAttachedToCategoryAdded_return_BasketHasVoucher()
{
Cart cart = new Cart(new List <CartItem>()
{
new CartItem(new Product("Hat", 10.5, new Category("")), 1)
});
OfferVoucher expected = new OfferVoucher("XXX-XXX", 5.00, 50.00, new Category("Head Gear"));
Basket basket = new Basket(cart, expected);
Assert.IsTrue(basket.HasVouchers);
}
public void Basket_whenOfferVoucherAddedAndOffCodeAppliedAndCodeIsValid_return_ValidCode()
{
Cart cart = new Cart(new List <CartItem>()
{
new CartItem(new Product("Hat", 10.5, new Category("")), 1)
});
OfferVoucher offerVoucher = new OfferVoucher("XXX-XXX", 5);
Basket basket = new Basket(cart, offerVoucher);
Assert.IsTrue(basket.ApplyVoucher("XXX-XXX"));
}
public void Basket_whenOfferVoucherAddedAndOffCodeAppledTiCategoryAppliedAndCartHasItemNotInCategory_return_CondNotValid()
{
Cart cart = new Cart(new List <CartItem>()
{
new CartItem(new Product("Hat", 10.5), 1)
});
OfferVoucher expected = new OfferVoucher("XXX-XXX", 5.00, 50.00, new Category("Head Gear"));
Basket basket = new Basket(cart, expected);
Assert.IsFalse(basket.ApplyVoucher("XXX-XXX"));
}
public void GivenGiftVoucherProductAndInapplicableOfferVoucherThenCalculateBasketValue()
{
var hat = new Product(25m);
var giftVoucher = new Product(30m, ProductCategory.GiftVoucher);
var offerVoucher = new OfferVoucher(5m, 50);
_basket.Add(hat);
_basket.Add(giftVoucher);
_basket.Add(offerVoucher);
_basket.TotalValue.Should().Be(55m);
}
public void GivenProductsAndInapplicableOfferVoucherThenCalculateBasketValue()
{
var hat = new Product(25m);
var jumper = new Product(26m);
var offerVoucher = new OfferVoucher(5m, 50m, ProductCategory.HeadGear);
_basket.Add(hat);
_basket.Add(jumper);
_basket.Add(offerVoucher);
_basket.TotalValue.Should().Be(51m);
}
public void Basket_whenOfferVoucherAddedAndOffCodeAppledTiCategoryAppliedAndCartHasItemInCategory_return_Total()
{
Cart cart = new Cart();
Product product1 = cart.Add(new Product("Hat", 25.00), 1);
Product product3 = cart.Add(new Product("Jumper", 26.00), 1);
OfferVoucher expected = new OfferVoucher("YYY-YYY", 5.00, 50.00, new Category("Head Gear"));
Basket basket = new Basket(cart, expected);
bool IsCodeValid = basket.ApplyVoucher("YYY-YYY");
Assert.AreEqual(51.00, basket.Total);
IsCodeValid.Should().BeFalse("There are no products in your basket applicable to voucher Voucher YYY-YYY");
}
public void Basket_CalulatesWithOfferRestrictionAndValueAboveProductValue()
{
var testProductA = new Product("Light", 10m, ProductCategory.HeadGear);
var testProductB = new Product("Jumper", 20m);
var testVoucher = new OfferVoucher(15m, 5m, ProductCategory.HeadGear);
_sut.AddProduct(testProductA);
_sut.AddProduct(testProductB);
_sut.AddVoucher(testVoucher);
_sut.Total().Should().Be(20m);
}
public void Basket_whenOfferVoucherAddedAndOffCodeAppledTiCategoryAppliedAndCartHasItemInCategoryAndHasMinSpend_return_Total()
{
Cart cart = new Cart();
Product product1 = cart.Add(new Product("Hat", 25.00), 1);
Product product2 = cart.Add(new Product("Jumper", 26.00), 1);
Product product3 = cart.Add(new Product("Head Light", 3.50, new Category("Head Gear")), 1);
OfferVoucher expected = new OfferVoucher("YYY-YYY", 5.00, 50.00, new Category("Head Gear"));
Basket basket = new Basket(cart, expected);
bool IsCodeValid = basket.ApplyVoucher("YYY-YYY");
Assert.AreEqual(51.00, basket.Total);
IsCodeValid.Should().BeTrue();
}
public void GivenProductsInapplicableOfferVoucherAndApplicableGiftVoucherThenCalculateBasketValue()
{
var hat = new Product(25);
var jumper = new Product(26);
var giftVoucher = new GiftVoucher(5m);
var offerVoucher = new OfferVoucher(5m, 50m);
_basket.Add(hat);
_basket.Add(jumper);
_basket.Add(giftVoucher);
_basket.Add(offerVoucher);
_basket.TotalValue.Should().Be(41m);
}
static void Basket5()
{
Console.WriteLine("Basket 5");
List <Product> basketProducts = new List <Product>
{
new Product(true, "Hat", 25.00m, Category.NONE),
new Product(false, "Gift Voucher", 30.00m, Category.NONE),
};
Basket basket = new Basket(basketProducts);
List <GiftVoucher> vouchers = new List <GiftVoucher>();
OfferVoucher offer = new OfferVoucher(5, 50);
basket.Checkout(vouchers, offer);
}
