public void AppendHandler_UsingType_AddsSequentially()
{
// Arrange
var factoryMock = Substitute.For <IApiHttpHandlerFactory>();
var binding = new ApiHttpRequestHandlerBinding(factoryMock, typeof(ApiHttpRequestHandlerMock));
var handler1 = typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType1Mock);
var handler2 = typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType2Mock);
var handler3 = typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType3Mock);
var handler4 = typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType4Mock);
var handler5 = typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType5Mock);
// Act
binding.AppendHandler(handler1);
binding.AppendHandler(handler2);
binding.AppendHandler(handler3);
binding.AppendHandler(handler4);
binding.AppendHandler(handler5);
// Assert
Assert.Equal(5, binding.Bindings.Count);
Assert.Equal(handler1, binding.Bindings[0].HandlerType);
Assert.Equal(handler2, binding.Bindings[1].HandlerType);
Assert.Equal(handler3, binding.Bindings[2].HandlerType);
Assert.Equal(handler4, binding.Bindings[3].HandlerType);
Assert.Equal(handler5, binding.Bindings[4].HandlerType);
}
private static Action ArrangeHandlers(IApiHttpRequestHandler handlerMock, ApiHttpRequestHandlerBinding binding)
{
var handlerBinding1 = Substitute.For <IApiHttpRequestHandlerBinding>();
var handlerBinding2 = Substitute.For <IApiHttpRequestHandlerBinding>();
var handlerBinding3 = Substitute.For <IApiHttpRequestHandlerBinding>();
var handler1 = Substitute.For <IApiHttpRequestHandler>();
var handler2 = Substitute.For <IApiHttpRequestHandler>();
var handler3 = Substitute.For <IApiHttpRequestHandler>();
handlerBinding1.Build().Returns(handler1);
handlerBinding2.Build().Returns(handler2);
handlerBinding3.Build().Returns(handler3);
binding.Bindings.Add(handlerBinding1);
binding.Bindings.Add(handlerBinding2);
binding.Bindings.Add(handlerBinding3);
return(() =>
{
handlerBinding1.Received(1).Build();
handlerBinding2.Received(1).Build();
handlerBinding3.Received(1).Build();
handlerMock.Received(3).AppendHandler(Arg.Any <IApiHttpRequestHandler>());
handlerMock.Received(1).AppendHandler(handler1);
handlerMock.Received(1).AppendHandler(handler2);
handlerMock.Received(1).AppendHandler(handler3);
});
}
public void SetNextHandler_UsingGeneric_AddsSequentially()
{
// Arrange
var factoryMock = Substitute.For <IApiHttpHandlerFactory>();
var binding = new ApiHttpRequestHandlerBinding(factoryMock, typeof(ApiHttpRequestHandlerMock));
// Act
binding.SetNextHandler <ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType1Mock>();
binding.SetNextHandler <ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType2Mock>();
// Assert
Assert.NotNull(binding.Next);
Assert.NotEqual(typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType1Mock), binding.Next.HandlerType);
Assert.Equal(typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType2Mock), binding.Next.HandlerType);
}
private static Action ArrangeNext(IApiHttpRequestHandler handlerMock, ApiHttpRequestHandlerBinding binding)
{
var handlerBinding = Substitute.For <IApiHttpRequestHandlerBinding>();
var handler = Substitute.For <IApiHttpRequestHandler>();
handlerBinding.Build().Returns(handler);
binding.Next = handlerBinding;
return(() =>
{
handlerBinding.Received(1).Build();
handlerMock.Received(1).SetNextHandler(Arg.Any <IApiHttpRequestHandler>());
handlerMock.Received(1).SetNextHandler(handler);
});
}
public void Build_Execute_ExpectedBehaviour(bool hasNextHandler, bool hasAppendHandlers)
{
// Arrange
var handlerMock = Substitute.For <IApiHttpRequestHandler>();
var factoryMock = Substitute.For <IApiHttpHandlerFactory>();
factoryMock.GetHandler(typeof(ApiHttpRequestHandlerMock)).Returns(handlerMock);
var binding = new ApiHttpRequestHandlerBinding(factoryMock, typeof(ApiHttpRequestHandlerMock));
var nextHandlersAssert = hasNextHandler ? ArrangeNext(handlerMock, binding) : () => handlerMock.Received(0).SetNextHandler(Arg.Any <IApiHttpRequestHandler>());
var appendHandlersAssert = hasAppendHandlers ? ArrangeHandlers(handlerMock, binding) : () => handlerMock.Received(0).AppendHandler(Arg.Any <IApiHttpRequestHandler>());
// Act
var handler = binding.Build();
// Assert
Assert.Same(handlerMock, handler);
nextHandlersAssert.Invoke();
appendHandlersAssert.Invoke();
}
public void AppendHandler_UsingGeneric_AddsSequentially()
{
// Arrange
var factoryMock = Substitute.For <IApiHttpHandlerFactory>();
var binding = new ApiHttpRequestHandlerBinding(factoryMock, typeof(ApiHttpRequestHandlerMock));
// Act
binding.AppendHandler <ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType1Mock>();
binding.AppendHandler <ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType2Mock>();
binding.AppendHandler <ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType3Mock>();
binding.AppendHandler <ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType4Mock>();
binding.AppendHandler <ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType5Mock>();
// Assert
Assert.Equal(5, binding.Bindings.Count);
Assert.Equal(typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType1Mock), binding.Bindings[0].HandlerType);
Assert.Equal(typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType2Mock), binding.Bindings[1].HandlerType);
Assert.Equal(typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType3Mock), binding.Bindings[2].HandlerType);
Assert.Equal(typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType4Mock), binding.Bindings[3].HandlerType);
Assert.Equal(typeof(ApiHttpRequestHandlerMock.ApiHttpRequestHandlerDifferentType5Mock), binding.Bindings[4].HandlerType);
}