public void Can_consume_messages_from_RabbitMQ_with_BasicConsume()
{
RabbitMqConfig.UsingChannel(channel => {
var consumer = new RabbitMqBasicConsumer(channel);
channel.BasicConsume(MqQueueNames <HelloRabbit> .Direct, false, consumer);
string recvMsg = null;
ExecUtils.ExecMultiThreading(1, () => PublishHelloRabbit(channel));
while (true)
{
try {
var e = consumer.Queue.Dequeue();
Console.WriteLine("Dequeued");
recvMsg = e.Body.FromUtf8Bytes();
// ... process the message
Console.WriteLine(recvMsg);
channel.BasicAck(e.DeliveryTag, false);
break;
} catch (OperationInterruptedException) {
// The consumer was removed, either through
// channel or connection closure, or through the
// action of IModel.BasicCancel().
Console.WriteLine("End of the road...");
break;
}
}
Assert.That(recvMsg, Is.Not.Null);
});
}
public void Only_allows_1_BgThread_to_run_at_a_time()
{
using (var mqServer = CreateMqServer()) {
mqServer.RegisterHandler <Reverse>(x => {
return(new ReverseResponse {
Value = string.Join(",", x.GetBody().Value.Reverse())
});
});
mqServer.RegisterHandler <NothingHere>(x => {
return(new NothingHereResponse {
Value = x.GetBody().Value
});
});
ExecUtils.ExecMultiThreading(5, () => mqServer.Start());
Assert.That(mqServer.GetStatus(), Is.EqualTo("Started"));
Assert.That(mqServer.BgThreadCount, Is.EqualTo(1));
ExecUtils.ExecMultiThreading(10, () => mqServer.Stop());
Assert.That(mqServer.GetStatus(), Is.EqualTo("Stopped"));
ExecUtils.ExecMultiThreading(1, () => mqServer.Start());
Assert.That(mqServer.GetStatus(), Is.EqualTo("Started"));
Assert.That(mqServer.BgThreadCount, Is.EqualTo(2));
Console.WriteLine(mqServer.GetStats());
}
}
public void Can_consume_messages_with_BasicConsumer()
{
RabbitMqConfig.UsingChannel(channel => {
OperationInterruptedException lastEx = null;
channel.Close();
void CallBack()
{
try {
PublishHelloRabbit(channel);
} catch (Exception ex) {
lastEx = ex as OperationInterruptedException;
Console.WriteLine("Caught {0}: {1}", ex.GetType().Name, ex);
}
}
ExecUtils.ExecMultiThreading(1, CallBack);
Assert.That(lastEx, Is.Not.Null);
});
}
public void Does_process_all_messages_and_Starts_Stops_correctly_with_multiple_threads_racing()
{
using (var mqServer = RabbitMqServerTests.CreateMqServer()) {
void Action0(IModel channel)
{
channel.PurgeQueue <Reverse>();
channel.PurgeQueue <NothingHere>();
}
RabbitMqConfig.UsingChannel(mqServer.ConnectionFactory, Action0);
var reverseCalled = 0;
var nothingHereCalled = 0;
mqServer.RegisterHandler <Reverse>(x => {
Console.WriteLine("Processing Reverse {0}...", Interlocked.Increment(ref reverseCalled));
return(new ReverseResponse {
Value = string.Join(",", x.GetBody().Value.Reverse())
});
});
mqServer.RegisterHandler <NothingHere>(x => {
Console.WriteLine("Processing NothingHere {0}...", Interlocked.Increment(ref nothingHereCalled));
return(new NothingHereResponse {
Value = x.GetBody().Value
});
});
using (var mqClient = mqServer.CreateMessageQueueClient()) {
mqClient.Publish(new Reverse {
Value = "Hello"
});
mqClient.Publish(new Reverse {
Value = "World"
});
mqClient.Publish(new NothingHere {
Value = "HelloWorld"
});
mqServer.Start();
Thread.Sleep(1500);
Assert.That(mqServer.GetStatus(), Is.EqualTo("Started"));
Assert.That(mqServer.GetStats().TotalMessagesProcessed, Is.EqualTo(3));
mqClient.Publish(new Reverse {
Value = "Foo"
});
mqClient.Publish(new NothingHere {
Value = "Bar"
});
ExecUtils.ExecMultiThreading(10, () => mqServer.Start());
Assert.That(mqServer.GetStatus(), Is.EqualTo("Started"));
ExecUtils.ExecMultiThreading(5, () => mqServer.Stop());
Assert.That(mqServer.GetStatus(), Is.EqualTo("Stopped"));
ExecUtils.ExecMultiThreading(10, () => mqServer.Start());
Assert.That(mqServer.GetStatus(), Is.EqualTo("Started"));
Console.WriteLine("\n" + mqServer.GetStats());
Assert.That(mqServer.GetStats().TotalMessagesProcessed, Is.GreaterThanOrEqualTo(5));
Assert.That(reverseCalled, Is.EqualTo(3));
Assert.That(nothingHereCalled, Is.EqualTo(2));
}
}
}
