public void SetHandlerSuccessor_WhenSetSuccessorIsCalled()
{
var concreteHandlerTwo = new ConcreteHandlerTwo();
var concreteHandlerThree = new ConcreteHandlerThree();
concreteHandlerTwo.SetSuccessor(concreteHandlerThree);
concreteHandlerTwo.Successor.Should().Be(concreteHandlerThree);
}
private static void ChainOfResponsibilityExample()
{
var handlerOne = new ConcreteHandlerOne();
var handlerTwo = new ConcreteHandlerTwo();
handlerOne.SetSuccessor(handlerTwo);
handlerTwo.SetSuccessor(handlerOne);
handlerOne.HandleRequest("PrintDate");
handlerOne.HandleRequest("PrintGreeting");
}
public void ReturnThreeForRequestsOfTypeThree_WhenHandleRequestIsCalled()
{
var requestType = 3;
var expectedConcreteHandlerNumber = 3;
var concreteHandlerOne = new ConcreteHandlerOne();
var concreteHandlerTwo = new ConcreteHandlerTwo();
var concreteHandlerThree = new ConcreteHandlerThree();
concreteHandlerOne.SetSuccessor(concreteHandlerTwo);
concreteHandlerTwo.SetSuccessor(concreteHandlerThree);
var handledBy = concreteHandlerOne.Handle(requestType);
handledBy.Should().Be(expectedConcreteHandlerNumber);
}
public List <int> ProcessRequests(List <int> requestTypes)
{
var handlers = new List <int>();
var concreteHandlerOne = new ConcreteHandlerOne();
var concreteHandlerTwo = new ConcreteHandlerTwo();
var concreteHandlerThree = new ConcreteHandlerThree();
concreteHandlerOne.SetSuccessor(concreteHandlerTwo);
concreteHandlerTwo.SetSuccessor(concreteHandlerThree);
foreach (var requestType in requestTypes)
{
handlers.Add(concreteHandlerOne.Handle(requestType));
}
return(handlers);
}
