public async Task MiddlewareBuilder_WithoutDefaults_ShouldExecute()
{
var callRecord = new List <string>();
void Before(string id) => callRecord.Add($"Before_{id}");
void After(string id) => callRecord.Add($"After_{id}");
var outer = new TrackingMiddleware("outer", Before, After);
var inner = new TrackingMiddleware("inner", Before, After);
var handler = new InspectableHandler <SimpleMessage>();
var middlewareBuilder = new HandlerMiddlewareBuilder(_resolver, _resolver)
.Configure(hmb =>
hmb.Use(outer)
.Use(inner)
.UseHandler(ctx => handler));
var handlerMiddleware = middlewareBuilder.Build();
var context = TestHandleContexts.From <SimpleMessage>();
await handlerMiddleware.RunAsync(context, null, CancellationToken.None);
callRecord.ShouldBe(new[] { "Before_outer", "Before_inner", "After_inner", "After_outer" });
handler.ReceivedMessages.ShouldHaveSingleItem();
}
public async Task ThreeMiddlewares_ShouldExecuteInCorrectOrder()
{
var callRecord = new List <string>();
void Before(string id) => callRecord.Add($"Before_{id}");
void After(string id) => callRecord.Add($"After_{id}");
var outer = new TrackingMiddleware("outer", Before, After);
var middle = new TrackingMiddleware("middle", Before, After);
var inner = new TrackingMiddleware("inner", Before, After);
var middleware = new HandlerMiddlewareBuilder(_resolver, _resolver)
.Configure(pipe =>
{
pipe.Use(outer);
pipe.Use(middle);
pipe.Use(inner);
}).Build();
var context = TestHandleContexts.From <SimpleMessage>();
await middleware.RunAsync(context,
ct =>
{
callRecord.Add("HandledMessage");
return(Task.FromResult(true));
},
CancellationToken.None);
var record = string.Join(Environment.NewLine, callRecord);
record.ShouldMatchApproved(c => c.SubFolder("Approvals"));
}
public async Task WhenMiddlewareIsWrappedinStopWatch_InnerMiddlewareIsCalled()
{
var context = TestHandleContexts.From <OrderAccepted>();
var result = await _middleware.RunAsync(context, null, CancellationToken.None);
result.ShouldBeTrue();
_handler.ReceivedMessages.ShouldHaveSingleItem().ShouldBeOfType <OrderAccepted>();
}
public async Task WhenMiddlewareIsWrappedinStopWatch_MonitoringIsCalled()
{
var context = TestHandleContexts.From <OrderAccepted>();
var result = await _middleware.RunAsync(context, null, CancellationToken.None);
result.ShouldBeTrue();
var handled = _monitor.HandlerExecutionTimes.ShouldHaveSingleItem();
handled.duration.ShouldBeGreaterThan(TimeSpan.Zero);
handled.handlerType.ShouldBe(typeof(InspectableHandler <OrderAccepted>));
handled.messageType.ShouldBe(typeof(OrderAccepted));
}