public void AddItemsToCheckout_IfCheckoutExists_ShouldAddItemsToExistingCheckout()
{
// arrange
Mock <IItemOrchestrator> mockItem = new Mock <IItemOrchestrator>();
mockItem.Setup(mock => mock.GetItem(It.IsAny <string>())).Returns(new Item {
SKU = "A99", Price = 0.50m
});
var orchestrator = new CheckoutOrchestrator(mockItem.Object, new Mock <IOfferOrchestrator>().Object, new Mock <DiscountOrchestrator>().Object);
orchestrator._listCheckout = new List <Checkout> {
new Checkout {
Id = checkoutId, Items = new List <Item> {
new
Item {
Price = 0.50m, SKU = "A99"
}
}
}
};
//act
var itemAdded = orchestrator.ScanItem("A99", checkoutId);
//assert
itemAdded.Should().BeTrue();
}
public void GetTotalPrice_IfOfferExists_ShouldApplyDiscount()
{
// arrange
var offerMock = new Mock <IOfferOrchestrator>();
offerMock.Setup(mock => mock.GetOffer("B15"))
.Returns(new ItemOffer {
OfferPrice = 0.45m, Quantity = 2, SKU = "B15"
});
offerMock.Setup(mock => mock.GetOffer("A99"))
.Returns(new ItemOffer {
OfferPrice = 1.30m, Quantity = 3, SKU = "A99"
});
var orchestrator = new CheckoutOrchestrator(new Mock <ItemOrchestrator>().Object, offerMock.Object, new Mock <DiscountOrchestrator>().Object);
var expected = 4.05m;
orchestrator._listCheckout = new List <Checkout>()
{
checkoutItems
};
//act
var actual = orchestrator.GetTotalPriceWithDiscount(checkoutId);
//assert
actual.Should().Be(expected);
}
public void AddItemsToCheckout_IfSkuNullOrEmpty_ShouldThrowArgumentNullException()
{
// arrange
var orchestrator = new CheckoutOrchestrator(new Mock <ItemOrchestrator>().Object, new Mock <IOfferOrchestrator>().Object, new Mock <DiscountOrchestrator>().Object);
//act
Func <bool> action = () => { return(orchestrator.ScanItem(null, checkoutId)); };
//assert
action.Should().Throw <ArgumentNullException>();
}
public void CalculateDiscount_IfNoOfferFound_ShouldNotCalculateDiscount()
{
// arrange
var orchestrator = new CheckoutOrchestrator(new Mock <ItemOrchestrator>().Object, new Mock <IOfferOrchestrator>().Object, new Mock <DiscountOrchestrator>().Object);
var sku = "B15";
var expected = 0.0m;
//act
var actual = orchestrator.CalculateDiscount(sku);
//assert
actual.Should().Be(expected);
}
public void CalculateDiscount_IfSKUEmptyOrNull_ShouldThrowArgumentNullException()
{
// arrange
var orchestrator = new CheckoutOrchestrator(new Mock <ItemOrchestrator>().Object, new Mock <IOfferOrchestrator>().Object, new Mock <DiscountOrchestrator>().Object);
//act
Func <decimal> action = () =>
{
return(orchestrator.CalculateDiscount(null));
};
//assert
action.Should().Throw <ArgumentNullException>();
}
public void AddItemsToCheckout_IfCheckoutNotFoundAddItem_ShouldCreateNewCheckout()
{
// arrange
Mock <IItemOrchestrator> mockItem = new Mock <IItemOrchestrator>();
mockItem.Setup(mock => mock.GetItem(It.IsAny <string>())).Returns(new Item {
SKU = "A99", Price = 0.50m
});
var orchestrator = new CheckoutOrchestrator(mockItem.Object, new Mock <IOfferOrchestrator>().Object, new Mock <DiscountOrchestrator>().Object);
//act
var itemAdded = orchestrator.ScanItem("A99", Guid.NewGuid());
//assert
itemAdded.Should().BeTrue();
}
public void GetTotalPrice_ShouldReturnTotalPriceWithoutDiscount()
{
// arrange
var orchestrator = new CheckoutOrchestrator(new Mock <ItemOrchestrator>().Object, new Mock <IOfferOrchestrator>().Object, new Mock <DiscountOrchestrator>().Object);
var expected = checkoutItems.Items.Sum(p => p.Price);
orchestrator._listCheckout = new List <Checkout>()
{
checkoutItems
};
//act
var actual = orchestrator.GetTotalPrice(checkoutId);
//assert
actual.Should().Be(expected);
}
public void CalculateDiscount_IfOfferFound_ShouldCalculateDiscount()
{
// arrange
var offerMock = new Mock <IOfferOrchestrator>();
offerMock.Setup(mock => mock.GetOffer("B15"))
.Returns(new ItemOffer {
OfferPrice = 0.45m, Quantity = 2, SKU = "B15"
});
var orchestrator = new CheckoutOrchestrator(new Mock <ItemOrchestrator>().Object, offerMock.Object, new Mock <DiscountOrchestrator>().Object);
var sku = "B15";
var expected = 0.45m;
orchestrator._listCheckout = new List <Checkout>()
{
checkoutItems
};
//act
var actual = orchestrator.CalculateDiscount(sku);
//assert
actual.Should().Be(expected);
}
