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 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);
}
