public void Test()
{
var inputParser = new Mock<IInputParser>();
var itemService = new Mock<IItemService>();
var discountService = new Mock<IDiscountService>();
inputParser.Setup(x=>x.Parse("SomeInput,SomeMoreInput")).Returns(new string[] { "SomeInput", "SomeMoreInput"});
itemService.Setup(x => x.PriceFor("SomeInput")).Returns(100);
itemService.Setup(x => x.PriceFor("SomeMoreInput")).Returns(150);
discountService.Setup(x => x.PriceAdjustment("SomeInput")).Returns(0);
discountService.Setup(x => x.PriceAdjustment("SomeMoreInput")).Returns(50);
var subject = new Checkout(inputParser.Object, itemService.Object, discountService.Object);
var result = subject.Scan("SomeInput,SomeMoreInput");
Assert.That(result, Is.EqualTo("200"));
inputParser.Verify(x => x.Parse("SomeInput,SomeMoreInput"), Times.Once());
itemService.Verify(x => x.PriceFor("SomeInput"), Times.Once());
itemService.Verify(x => x.PriceFor("SomeMoreInput"), Times.Once());
discountService.Verify(x => x.PriceAdjustment("SomeInput"), Times.Once());
discountService.Verify(x => x.PriceAdjustment("SomeMoreInput"), Times.Once());
}
public void Setup()
{
_checkout = new Checkout();
}