public async Task StartAsync_ShouldInvokeMiddleware()
{
// Arrange
var middlewareInvoked = false;
var resolver = Substitute.For <IDependencyResolver>();
resolver.Begin().Returns(Substitute.For <IDisposable>());
var steps = new List <PipelineStep>
{
new PipelineStep
{
Instance = new QuidjiboMiddleware(async(ctx, next) =>
{
middlewareInvoked = true;
await next();
})
}
};
var pipeline = new QuidjiboPipeline(steps, Substitute.For <ILoggerFactory>(), resolver, Substitute.For <IPayloadProtector>(), Substitute.For <IPayloadSerializer>(), Substitute.For <IWorkDispatcher>());
var context = Substitute.For <IQuidjiboContext>();
// Act
await pipeline.StartAsync(context, CancellationToken.None);
// Assert
middlewareInvoked.Should().BeTrue("Start should invoke the middleware in the pipeline.");
}
public async Task StartAsync_ShouldNotInvokeAllStepsMiddlewareWhenNextIsNotInvoked()
{
// Arrange
var middlewareInvoked = 0;
var resolver = Substitute.For <IDependencyResolver>();
resolver.Begin().Returns(Substitute.For <IDisposable>());
var steps = new List <PipelineStep>
{
new PipelineStep
{
Instance = new QuidjiboMiddleware(async(ctx, next) =>
{
middlewareInvoked += 1;
await Task.CompletedTask;
})
},
new PipelineStep
{
Instance = new QuidjiboMiddleware(async(ctx, next) =>
{
middlewareInvoked += 1;
await next();
})
}
};
var pipeline = new QuidjiboPipeline(steps, Substitute.For <ILoggerFactory>(), resolver, Substitute.For <IPayloadProtector>(), Substitute.For <IPayloadSerializer>(), Substitute.For <IWorkDispatcher>());
var context = Substitute.For <IQuidjiboContext>();
// Act
await pipeline.StartAsync(context, CancellationToken.None);
// Assert
middlewareInvoked.Should().Be(1, "the first step did not call next.");
}
public async Task StartAsync_ShouldNotInvokeStepIfCancellationTokenHasBeenSignalled()
{
// Arrange
var middlewareInvoked = 0;
var cts = new CancellationTokenSource();
var resolver = Substitute.For <IDependencyResolver>();
resolver.Begin().Returns(Substitute.For <IDisposable>());
var steps = new List <PipelineStep>
{
new PipelineStep
{
Instance = new QuidjiboMiddleware(async(ctx, next) =>
{
middlewareInvoked += 1;
cts.Cancel();
await next();
})
},
new PipelineStep
{
Instance = new QuidjiboMiddleware(async(ctx, next) =>
{
middlewareInvoked += 1;
await next();
})
}
};
var pipeline = new QuidjiboPipeline(steps, Substitute.For <ILoggerFactory>(), resolver, Substitute.For <IPayloadProtector>(), Substitute.For <IPayloadSerializer>(), Substitute.For <IWorkDispatcher>());
var context = Substitute.For <IQuidjiboContext>();
// Act
await pipeline.StartAsync(context, cts.Token);
// Assert
middlewareInvoked.Should().Be(1, "the pipeline was canceled before step two.");
}