public void Does_process_messages_sent_before_it_was_started()
{
var reverseCalled = 0;
using (var mqServer = RabbitMqServerTests.CreateMqServer()) {
void Action0(IModel channel)
{
channel.PurgeQueue <Reverse>();
channel.PurgeQueue <ReverseResponse>();
}
RabbitMqConfig.UsingChannel(mqServer.ConnectionFactory, Action0);
mqServer.RegisterHandler <Reverse>(x => {
Interlocked.Increment(ref reverseCalled);
return(new ReverseResponse {
Value = string.Join(",", x.GetBody().Value.Reverse())
});
});
using (var mqClient = mqServer.CreateMessageQueueClient()) {
RabbitMqServerTests.Publish_4_messages(mqClient);
mqServer.Start();
Thread.Sleep(2000);
Assert.That(mqServer.GetStats().TotalMessagesProcessed, Is.EqualTo(4));
Assert.That(reverseCalled, Is.EqualTo(4));
}
}
}
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));
}
}
}
public void Does_retry_messages_with_errors_by_RetryCount()
{
var retryCount = 1;
// in total, inc. first try
var totalRetries = 1 + retryCount;
using (var mqServer = RabbitMqServerTests.CreateMqServer(retryCount)) {
void Action0(IModel channel)
{
channel.PurgeQueue <Reverse>();
channel.PurgeQueue <NothingHere>();
channel.PurgeQueue <AlwaysThrows>();
}
RabbitMqConfig.UsingChannel(mqServer.ConnectionFactory, Action0);
var reverseCalled = 0;
var nothingHereCalled = 0;
mqServer.RegisterHandler <Reverse>(x => {
Interlocked.Increment(ref reverseCalled);
return(new ReverseResponse {
Value = string.Join(",", x.GetBody().Value.Reverse())
});
});
mqServer.RegisterHandler <NothingHere>(x => {
Interlocked.Increment(ref nothingHereCalled);
return(new NothingHereResponse {
Value = x.GetBody().Value
});
});
mqServer.RegisterHandler <AlwaysThrows>(x => throw new Exception("Always Throwing! " + x.GetBody().Value));
mqServer.Start();
using (var mqClient = mqServer.CreateMessageQueueClient()) {
mqClient.Publish(new AlwaysThrows {
Value = "1st"
});
mqClient.Publish(new Reverse {
Value = "Hello"
});
mqClient.Publish(new Reverse {
Value = "World"
});
mqClient.Publish(new NothingHere {
Value = "TheOne"
});
Thread.Sleep(1000);
Assert.That(mqServer.GetStats().TotalMessagesFailed, Is.EqualTo(1 * totalRetries));
Assert.That(mqServer.GetStats().TotalMessagesProcessed, Is.EqualTo(2 + 1));
for (var i = 0; i < 5; i++)
{
mqClient.Publish(new AlwaysThrows {
Value = "#" + i
});
}
mqClient.Publish(new Reverse {
Value = "Hello"
});
mqClient.Publish(new Reverse {
Value = "World"
});
mqClient.Publish(new NothingHere {
Value = "TheOne"
});
}
Console.WriteLine(mqServer.GetStatsDescription());
Thread.Sleep(1000);
Assert.That(mqServer.GetStats().TotalMessagesFailed, Is.EqualTo((1 + 5) * totalRetries));
Assert.That(mqServer.GetStats().TotalMessagesProcessed, Is.EqualTo(6));
Assert.That(reverseCalled, Is.EqualTo(2 + 2));
Assert.That(nothingHereCalled, Is.EqualTo(1 + 1));
}
}
