public async Task RabbitMqBus_PublishSubscribe_Test()
{
var options = CreateOptions();
var logger = CommonUtils.CreateLogger <RabbitMqBus>();
var rabbitMqBus = new RabbitMqBus(options, logger);
var rabbitMqListener = new RabbitMqListener(options, logger);
var message = new TestMessage
{
Id = "1",
String = "Test string",
};
var count = 0;
TestMessage result = null;
rabbitMqListener.Subscribe("test", (TestMessage m) =>
{
result = m;
return(Task.FromResult(count++));
}, InteractionType.PublishSubscribe);
var count2 = 0;
TestMessage result2 = null;
rabbitMqListener.Subscribe("test", (TestMessage m) =>
{
result2 = m;
return(Task.FromResult(count2++));
}, InteractionType.PublishSubscribe);
await rabbitMqBus.Publish("test", message, InteractionType.PublishSubscribe);
await rabbitMqBus.Publish("test", message, InteractionType.PublishSubscribe);
await TimeSpan.FromSeconds(1)
.StopOnCondition(TimeSpan.FromMilliseconds(100), () => count >= 2 && count2 >= 2);
count.ShouldBe(2);
result.ShouldNotBeNull();
result.Id.ShouldBe(message.Id);
result.String.ShouldBe(message.String);
count2.ShouldBe(2);
result2.ShouldNotBeNull();
result2.Id.ShouldBe(message.Id);
result2.String.ShouldBe(message.String);
}
public void ConfigureServices(IServicecollection services)
{
services.Add.... // All your stuff
// If this service will also publish events, add that Service as well (scoped!)
services.AddScoped <IMeshEventPublisher, RabbitMqEventPublisher>(s =>
new RabbitMqEventPublisher(rabbitConfig));
// Since this service will be a singleton, wait until the end to actually add it
// to the servicecollection - otherwise BuildServiceProvider would duplicate it
RabbitMqListener rabbitMqListener = new RabbitMqListener(rabbitConfig,
services.BuildServiceProvider());
var nodeEventSubs = Configuration.GetSection(
$"RabbitMQ:SubscribedEventIds:ServiceA").Get <string[]>();
// Attach our list of events to a handler
// Handler must implement IMeshEventProcessor and does have
// access to the IServiceProvider so can use DI
rabbitMqListener.Subscribe <ServiceAEventProcessor>(nodeEventSubs);
services.AddSingleton(rabbitMqListener);
}
