public async Task Then_The_Handler_Only_Receives_The_Message_Once()
{
// Arrange
var messageLock = new MessageLockStore();
var handler = new ExactlyOnceHandlerNoTimeout();
var services = GivenJustSaying()
.ConfigureJustSaying((builder) => builder.WithLoopbackTopic <SimpleMessage>(UniqueName))
.ConfigureJustSaying((builder) => builder.Services((config) => config.WithMessageLock(() => messageLock)))
.AddJustSayingHandlers(new[] { handler });
await WhenAsync(
services,
async (publisher, listener, serviceProvider, cancellationToken) =>
{
await listener.StartAsync(cancellationToken);
await publisher.StartAsync(cancellationToken);
var message = new SimpleMessage();
// Act
await publisher.PublishAsync(message, cancellationToken);
await publisher.PublishAsync(message, cancellationToken);
await Task.Delay(1.Seconds(), cancellationToken);
// Assert
handler.NumberOfTimesIHaveBeenCalledForMessage(message.UniqueKey()).ShouldBe(1);
});
}
public async Task Then_The_Handler_Only_Receives_The_Message_Once()
{
// Arrange
var messageLock = new MessageLockStore();
var handler = new InspectableHandler <SimpleMessage>();
var services = GivenJustSaying()
.AddSingleton <IMessageLockAsync>(messageLock)
.ConfigureJustSaying((builder) =>
builder.WithLoopbackTopic <SimpleMessage>(UniqueName,
c =>
c.WithReadConfiguration(rc =>
rc.WithMiddlewareConfiguration(m =>
m.UseExactlyOnce <SimpleMessage>("simple-message-lock")))))
.AddJustSayingHandlers(new[] { handler });
await WhenAsync(
services,
async (publisher, listener, serviceProvider, cancellationToken) =>
{
await listener.StartAsync(cancellationToken);
await publisher.StartAsync(cancellationToken);
var message = new SimpleMessage();
// Act
await publisher.PublishAsync(message, cancellationToken);
await publisher.PublishAsync(message, cancellationToken);
await Task.Delay(1.Seconds(), cancellationToken);
handler.ReceivedMessages.Where(m => m.Id.ToString() == message.UniqueKey())
.ShouldHaveSingleItem();
});
}
public async Task Then_Both_Handlers_Receive_The_Message()
{
var messageLock = new MessageLockStore();
var handler1 = new InspectableHandler <SimpleMessage>();
var handler2 = new InspectableHandler <SimpleMessage>();
var services = GivenJustSaying()
.AddSingleton <IMessageLockAsync>(messageLock)
.ConfigureJustSaying((builder) =>
builder.WithLoopbackTopic <SimpleMessage>(UniqueName,
t => t.WithReadConfiguration(rc =>
rc.WithMiddlewareConfiguration(m =>
m.UseExactlyOnce <SimpleMessage>("some-key")))))
.AddJustSayingHandlers(new[] { handler1, handler2 });
await WhenAsync(
services,
async (publisher, listener, serviceProvider, cancellationToken) =>
{
await listener.StartAsync(cancellationToken);
await publisher.StartAsync(cancellationToken);
var message = new SimpleMessage();
// Act
await publisher.PublishAsync(message, cancellationToken);
await Task.Delay(1.Seconds(), cancellationToken);
// Assert
handler1.ReceivedMessages.ShouldHaveSingleItem().Id.ShouldBe(message.Id);
handler2.ReceivedMessages.ShouldHaveSingleItem().Id.ShouldBe(message.Id);
});
}
public async Task Then_The_Handler_Only_Receives_The_Message_Once()
{
// Arrange
var messageLock = new MessageLockStore();
var handler = new InspectableHandler <SimpleMessage>();
var services = GivenJustSaying()
.AddSingleton <IMessageLockAsync>(messageLock)
.ConfigureJustSaying((builder) =>
builder.WithLoopbackTopic <SimpleMessage>(UniqueName,
c => c.WithMiddlewareConfiguration(m =>
m.UseExactlyOnce <SimpleMessage>("lock-simple-message")
.UseDefaults <SimpleMessage>(handler.GetType()))))
.AddJustSayingHandlers(new[] { handler });
var message = new SimpleMessage();
string json = "";
await WhenAsync(
services,
async (publisher, listener, serviceProvider, cancellationToken) =>
{
await listener.StartAsync(cancellationToken);
await publisher.StartAsync(cancellationToken);
// Act
await publisher.PublishAsync(message, cancellationToken);
await publisher.PublishAsync(message, cancellationToken);
dynamic middlewares = ((dynamic)listener.Interrogate().Data).Middleware;
json = JsonConvert.SerializeObject(middlewares, Formatting.Indented)
.Replace(UniqueName, "TestQueueName");
await Patiently.AssertThatAsync(() =>
{
handler.ReceivedMessages.Where(m => m.Id.ToString() == message.UniqueKey())
.ShouldHaveSingleItem();
});
});
json.ShouldMatchApproved(c => c.SubFolder("Approvals"));
}
