public void UseVistorToCalculateSimpleTotal()
{
// Fixture setup
var basket = new Basket(
new BasketItem("Chocolate", 50, 2),
new BasketItem("Rice", 30, 1),
new BasketItem("Wine", 110, 1));
// Exercise system
var actual = basket.Accept(new BasketTotalVisitor());
// Verify outcome
var btv = Assert.IsAssignableFrom <BasketTotalVisitor>(actual);
Assert.Equal(240, btv.Total);
// Teardown
}
public void AcceptReturnsCorrectResult(
[Frozen] IBasketVisitor v1
, [Frozen] IBasketVisitor v2
, [Frozen] IBasketVisitor v3
, [Frozen] IBasketElement e1Stub
, [Frozen] IBasketElement e2Stub
, Basket sut
)
{
// Fixture setup
A.CallTo(() => e1Stub.Accept(v1)).Returns(v2);
A.CallTo(() => e2Stub.Accept(v2)).Returns(v3);
// Exercise system
var actual = sut.Accept(v1);
// Verify outcome
Assert.Same(v3, actual);
// Fixture teardown
}
public void AcceptReturnsCorrectResult()
{
// Fixture setup
var r = new MockRepository(MockBehavior.Default)
{
DefaultValue = DefaultValue.Mock
};
var v1 = r.Create <IBasketVisitor>().Object;
var v2 = r.Create <IBasketVisitor>().Object;
var v3 = r.Create <IBasketVisitor>().Object;
var e1Stub = r.Create <IBasketElement>();
var e2Stub = r.Create <IBasketElement>();
e1Stub.Setup(e => e.Accept(v1)).Returns(v2);
e2Stub.Setup(e => e.Accept(v2)).Returns(v3);
var sut = new Basket(e1Stub.Object, e2Stub.Object);
// Exercise system
var actual = sut.Accept(v1);
// Verify outcome
Assert.Same(v3, actual);
// Teardown
}