public void GivenPipelineThatChangesRequest_WhenHandlingRequest_ThenChangesRequestInPipeline()
{
var testHandlerA = new TestHandler <TestRequestA>();
var testHandlerB = new TestHandler <TestRequestA>();
var testMutationHandler = new TestMutationHandler();
var testHandlerC = new TestHandler <TestRequestB>();
var pipeline = PipelineDefinitionBuilder
.StartWith(testHandlerA)
.ThenWith(testHandlerB)
.ThenWithMutation(testMutationHandler)
.ThenWith(testHandlerC)
.Build();
var testRequest = new TestRequestA();
var context = new Context();
pipeline.HandleAsync(testRequest, context);
Assert.Multiple(() =>
{
Assert.That(testHandlerA._request, Is.EqualTo(testRequest));
Assert.That(testHandlerB._request, Is.EqualTo(testRequest));
Assert.That(testMutationHandler._request, Is.EqualTo(testRequest));
Assert.That(testHandlerC._request, Is.Not.EqualTo(testRequest));
Assert.That(testHandlerC._request, Is.TypeOf <TestRequestB>());
});
}
public async Task GivenPipelineThatChangesRequest_WhenHandlingRequest_ThenChangesRequestInPipeline()
{
var testHandlerA = new TestHandlerA <TestRequestA>();
var testHandlerB = new TestHandlerB <TestRequestA>();
var testMutationHandler = new TestMutationHandler();
var testHandlerC = new TestHandlerC <TestRequestB>();
Dictionary <Type, Object> dictionary = new Dictionary <Type, object>
{
[typeof(TestHandlerA <TestRequestA>)] = testHandlerA,
[typeof(TestHandlerB <TestRequestA>)] = testHandlerB,
[typeof(TestHandlerC <TestRequestB>)] = testHandlerC,
[typeof(TestMutationHandler)] = testMutationHandler,
};
PipelineDefinitionBuilder builder = new
PipelineDefinitionBuilder(type => dictionary[type]);
var pipeline = builder.StartWith <TestHandlerA <TestRequestA>, TestRequestA> ()
.ThenWith <TestHandlerB <TestRequestA> >()
.ThenWithMutation <TestMutationHandler, TestRequestB>()
.ThenWith <TestHandlerC <TestRequestB> >()
.Build();
var testRequest = new TestRequestA();
await pipeline.HandleAsync(testRequest, new Context());
Assert.Multiple(() =>
{
Assert.That(testHandlerA._request, Is.EqualTo(testRequest));
Assert.That(testHandlerB._request, Is.EqualTo(testRequest));
Assert.That(testMutationHandler._request, Is.EqualTo(testRequest));
Assert.That(testHandlerC._request, Is.Not.EqualTo(testRequest));
Assert.That(testHandlerC._request, Is.TypeOf <TestRequestB>());
});
}