public void Does_process_messages_sent_before_it_was_started()
{
var reverseCalled = 0;
mqHost = CreateMqHost();
mqHost.RegisterHandler<Reverse>(x => { reverseCalled++; return x.GetBody().Value.Reverse(); });
var mqClient = mqHost.CreateMessageQueueClient();
Publish_4_messages(mqClient);
mqHost.Start();
Thread.Sleep(3000);
Assert.That(mqHost.GetStats().TotalMessagesProcessed, Is.EqualTo(4));
Assert.That(reverseCalled, Is.EqualTo(4));
mqHost.Dispose();
}
public void Only_allows_1_BgThread_to_run_at_a_time()
{
mqHost = CreateMqHost();
mqHost.RegisterHandler<Reverse>(x => x.GetBody().Value.Reverse());
mqHost.RegisterHandler<Rot13>(x => x.GetBody().Value.ToRot13());
5.Times(x => ThreadPool.QueueUserWorkItem(y => mqHost.Start()));
Thread.Sleep(1000);
Assert.That(mqHost.GetStatus(), Is.EqualTo("Started"));
Assert.That(mqHost.BgThreadCount, Is.EqualTo(1));
10.Times(x => ThreadPool.QueueUserWorkItem(y => mqHost.Stop()));
Thread.Sleep(1000);
Assert.That(mqHost.GetStatus(), Is.EqualTo("Stopped"));
ThreadPool.QueueUserWorkItem(y => mqHost.Start());
Thread.Sleep(1000);
Assert.That(mqHost.GetStatus(), Is.EqualTo("Started"));
Assert.That(mqHost.BgThreadCount, Is.EqualTo(2));
Debug.WriteLine(mqHost.GetStats());
mqHost.Dispose();
}
public void Does_retry_messages_with_errors_by_RetryCount()
{
var retryCount = 3;
var totalRetries = 1 + retryCount; //in total, inc. first try
mqHost = CreateMqHost(retryCount);
var reverseCalled = 0;
var rot13Called = 0;
mqHost.RegisterHandler<Reverse>(x => { reverseCalled++; return x.GetBody().Value.Reverse(); });
mqHost.RegisterHandler<Rot13>(x => { rot13Called++; return x.GetBody().Value.ToRot13(); });
mqHost.RegisterHandler<AlwaysThrows>(x => { throw new Exception("Always Throwing! " + x.GetBody().Value); });
mqHost.Start();
Thread.Sleep(3000);
var mqClient = mqHost.CreateMessageQueueClient();
mqClient.Publish(new Reverse { Value = "Hello" });
mqClient.Publish(new Reverse { Value = "World" });
mqClient.Publish(new Rot13 { Value = "ServiceStack" });
mqClient.Publish(new AlwaysThrows { Value = "1st" });
Thread.Sleep(3000);
Assert.That(mqHost.GetStats().TotalMessagesFailed, Is.EqualTo(1 * totalRetries));
Assert.That(mqHost.GetStats().TotalMessagesProcessed, Is.EqualTo(2 + 1));
mqClient.Publish(new Reverse { Value = "Hello" });
mqClient.Publish(new Reverse { Value = "World" });
mqClient.Publish(new Rot13 { Value = "ServiceStack" });
5.Times(x => mqClient.Publish(new AlwaysThrows { Value = "#" + x }));
Thread.Sleep(10000);
Debug.WriteLine(mqHost.GetStatsDescription());
Assert.That(mqHost.GetStats().TotalMessagesFailed, Is.EqualTo((1 + 5) * totalRetries));
Assert.That(mqHost.GetStats().TotalMessagesProcessed, Is.EqualTo(6));
Assert.That(reverseCalled, Is.EqualTo(2 + 2));
Assert.That(rot13Called, Is.EqualTo(1 + 1));
mqHost.Dispose();
}
public void Does_process_all_messages_and_Starts_Stops_correctly_with_multiple_threads_racing()
{
mqHost = CreateMqHost();
var reverseCalled = 0;
var rot13Called = 0;
mqHost.RegisterHandler<Reverse>(x => { reverseCalled++; return x.GetBody().Value.Reverse(); });
mqHost.RegisterHandler<Rot13>(x => { rot13Called++; return x.GetBody().Value.ToRot13(); });
var mqClient = mqHost.CreateMessageQueueClient();
mqClient.Publish(new Reverse { Value = "Hello" });
mqClient.Publish(new Reverse { Value = "World" });
mqClient.Publish(new Rot13 { Value = "ServiceStack" });
mqHost.Start();
Thread.Sleep(3000);
Assert.That(mqHost.GetStatus(), Is.EqualTo("Started"));
Assert.That(mqHost.GetStats().TotalMessagesProcessed, Is.EqualTo(3));
mqClient.Publish(new Reverse { Value = "Foo" });
mqClient.Publish(new Rot13 { Value = "Bar" });
10.Times(x => ThreadPool.QueueUserWorkItem(y => mqHost.Start()));
Assert.That(mqHost.GetStatus(), Is.EqualTo("Started"));
5.Times(x => ThreadPool.QueueUserWorkItem(y => mqHost.Stop()));
Thread.Sleep(3000);
Assert.That(mqHost.GetStatus(), Is.EqualTo("Stopped").Or.EqualTo("Stopping"));
10.Times(x => ThreadPool.QueueUserWorkItem(y => mqHost.Start()));
Thread.Sleep(3000);
Assert.That(mqHost.GetStatus(), Is.EqualTo("Started"));
Debug.WriteLine("\n" + mqHost.GetStats());
Assert.That(mqHost.GetStats().TotalMessagesProcessed, Is.EqualTo(5));
Assert.That(reverseCalled, Is.EqualTo(3));
Assert.That(rot13Called, Is.EqualTo(2));
mqHost.Dispose();
}