public WhenThereAreNoSubscribers(ITestOutputHelper testOutputHelper)
{
_outputHelper = testOutputHelper;
var loggerFactory = testOutputHelper.ToLoggerFactory();
MiddlewareBase <ReceiveMessagesContext, IList <Message> > sqsMiddleware =
new DelegateMiddleware <ReceiveMessagesContext, IList <Message> >();
var messages = new List <Message> {
new TestMessage()
};
var queue = new FakeSqsQueue(ct =>
{
Interlocked.Increment(ref _callCount);
return(Task.FromResult(messages.AsEnumerable()));
});
var monitor = new TrackingLoggingMonitor(
loggerFactory.CreateLogger <TrackingLoggingMonitor>());
_messageReceiveBuffer = new MessageReceiveBuffer(
10,
10,
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(1),
queue,
sqsMiddleware,
monitor,
loggerFactory.CreateLogger <IMessageReceiveBuffer>());
}
public WhenSqsIsSlow(ITestOutputHelper testOutputHelper)
{
var loggerFactory = testOutputHelper.ToLoggerFactory();
MiddlewareBase <ReceiveMessagesContext, IList <Message> > sqsMiddleware =
new DelegateMiddleware <ReceiveMessagesContext, IList <Message> >();
var messages = new List <Message> {
new TestMessage()
};
var queue = new FakeSqsQueue(async ct =>
{
await Task.Delay(100);
Interlocked.Increment(ref _callCount);
return(messages);
});
var monitor = new TrackingLoggingMonitor(
loggerFactory.CreateLogger <TrackingLoggingMonitor>());
_messageReceiveBuffer = new MessageReceiveBuffer(
10,
10,
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(1),
queue,
sqsMiddleware,
monitor,
loggerFactory.CreateLogger <IMessageReceiveBuffer>());
}
/// <summary>
/// Chains instances of <see cref="MiddlewareBase{TContext, TOut}"/> together using
/// <see cref="DelegateMiddleware{TContext, TOut}"/> as the inner middleware.
/// </summary>
/// <param name="middleware">The instances of <see cref="MiddlewareBase{TContext, TOut}"/> to add to the
/// returned composite <see cref="MiddlewareBase{TContext, TOut}"/>.</param>
/// <returns>A composite <see cref="MiddlewareBase{TContext, TOut}"/>.</returns>
public static MiddlewareBase <TContext, TOut> BuildAsync <TContext, TOut>(
params MiddlewareBase <TContext, TOut>[] middleware)
{
if (middleware == null)
{
throw new ArgumentNullException(nameof(middleware));
}
MiddlewareBase <TContext, TOut> policy = new DelegateMiddleware <TContext, TOut>();
return(policy.WithAsync(middleware));
}
public WhenSqsIsSlow(ITestOutputHelper testOutputHelper)
{
var loggerFactory = testOutputHelper.ToLoggerFactory();
MiddlewareBase <ReceiveMessagesContext, IList <Message> > sqsMiddleware =
new DelegateMiddleware <ReceiveMessagesContext, IList <Message> >();
var sqsClient = Substitute.For <IAmazonSQS>();
var queue = Substitute.For <ISqsQueue>();
queue.Uri.Returns(new Uri("http://test.com"));
queue.Client.Returns(sqsClient);
var monitor = new TrackingLoggingMonitor(
loggerFactory.CreateLogger <TrackingLoggingMonitor>());
sqsClient.ReceiveMessageAsync(Arg.Any <ReceiveMessageRequest>(), Arg.Any <CancellationToken>())
.Returns(_ =>
{
Thread.Sleep(TimeSpan.FromMilliseconds(100));
Interlocked.Increment(ref _callCount);
var messages = new List <Message> {
new TestMessage()
};
return(new ReceiveMessageResponse {
Messages = messages
});
});
_messageReceiveBuffer = new MessageReceiveBuffer(
10,
10,
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(1),
queue,
sqsMiddleware,
monitor,
loggerFactory.CreateLogger <IMessageReceiveBuffer>());
}
