public void AutomatiallyCreatesRecipientQueue()
{
// arrange
const string senderInputQueue = "test.autocreate.sender";
const string recipientInputQueue = "test.autocreate.recipient";
const string someText = "whoa! as if by magic!";
// ensure recipient queue does not exist
DeleteQueue(senderInputQueue);
DeleteQueue(recipientInputQueue);
using (var sender = new RabbitMqMessageQueue(ConnectionString, senderInputQueue))
{
// act
sender.Send(recipientInputQueue, new TransportMessageToSend
{
Body = Encoding.GetBytes(someText)
}, new NoTransaction());
}
using (var recipient = new RabbitMqMessageQueue(ConnectionString, recipientInputQueue))
{
// assert
var receivedTransportMessage = recipient.ReceiveMessage(new NoTransaction());
receivedTransportMessage.ShouldNotBe(null);
Encoding.GetString(receivedTransportMessage.Body).ShouldBe(someText);
}
}
static RabbitMqOptions DoIt(RebusTransportConfigurer configurer, string connectionString, string inputQueueName, string errorQueueName)
{
var queue = new RabbitMqMessageQueue(connectionString, inputQueueName);
var options = new RabbitMqOptions(queue, configurer);
configurer.AddDecoration(d =>
{
if (options.CreateErrorQueue)
{
queue.CreateQueue(errorQueueName);
}
else
{
log.Info(
"Error queue matching topic '{0}' will NOT be created - please ensure that you have bound this topic to something, otherwise failed messages ARE LOST",
errorQueueName);
}
});
configurer.UseSender(queue);
configurer.UseReceiver(queue);
configurer.UseErrorTracker(new ErrorTracker(errorQueueName));
return(options);
}
public void ItHasBeenFixed()
{
using (var adapter = new BuiltinContainerAdapter())
{
adapter.Handle<string>(s =>
{
throw new ApplicationException("Will trigger that the message gets moved to the error queue");
});
Configure.With(adapter)
.Transport(t => t.UseRabbitMq(ConnectionString, "test.input", "test.error")
.UseExchange("AlternativeExchange"))
.CreateBus()
.Start();
adapter.Bus.SendLocal("hello there!!!");
// wait until we're sure
Thread.Sleep(2.Seconds());
using (var errorQueue = new RabbitMqMessageQueue(ConnectionString, "test.error"))
{
var serializer = new JsonMessageSerializer();
var receivedTransportMessage = errorQueue.ReceiveMessage(new NoTransaction());
receivedTransportMessage.ShouldNotBe(null);
var errorMessage = serializer.Deserialize(receivedTransportMessage);
errorMessage.Messages.Length.ShouldBe(1);
errorMessage.Messages[0].ShouldBeTypeOf<string>();
((string)errorMessage.Messages[0]).ShouldBe("hello there!!!");
}
}
}
public Tuple<ISendMessages, IReceiveMessages> GetQueue(string inputQueueName)
{
var rabbitMqMessageQueue = new RabbitMqMessageQueue(RabbitMqFixtureBase.ConnectionString, inputQueueName).PurgeInputQueue();
disposables.Add(rabbitMqMessageQueue);
queuesToDelete.Add(inputQueueName);
return new Tuple<ISendMessages, IReceiveMessages>(rabbitMqMessageQueue, rabbitMqMessageQueue);
}
RabbitMqMessageQueue GetQueue(string queueName)
{
var queue = new RabbitMqMessageQueue(RabbitMqFixtureBase.ConnectionString, queueName, queueName + ".error");
queue.PurgeInputQueue();
disposables.Add(queue);
return queue;
}
public void CanGeneratePrettyEventNames()
{
var queue = new RabbitMqMessageQueue(ConnectionString, "test.eventnames");
var eventsAndExpectedEventNames =
new List<Tuple<Type, string>>
{
Tuple.Create(typeof (string), "System.String"),
Tuple.Create(typeof (List<string>), "System.Collections.Generic.List<System.String>"),
Tuple.Create(typeof (List<Tuple<string, int, int>>), "System.Collections.Generic.List<System.Tuple<System.String, System.Int32, System.Int32>>"),
};
var results = AssertEventNames(queue, eventsAndExpectedEventNames);
if (results.Any(r => r.Item1))
{
Console.WriteLine(@"The following event types were fine:
{0}", string.Join(Environment.NewLine, results.Where(r => r.Item1).Select(t => string.Format(@" {0}:
got : {1}
", t.Item2, t.Item3))));
}
if (results.Any(r => !r.Item1))
{
Assert.Fail(@"Did not get the expected results for the following event types:
{0}", string.Join(Environment.NewLine, results.Where(r => !r.Item1).Select(t => string.Format(@" {0}:
got : {1}
expected : {2}
", t.Item2, t.Item3, t.Item4))));
}
}
public void CanCreateAutoDeleteQueue()
{
const string queueName = "test.autodelete.input";
DeleteQueue(queueName);
// arrange
var existedBeforeInstatiation = QueueExists(queueName);
bool existedWhileInstantiatedAndInsideTx;
bool existedWhileInstantiatedAndOutsideOfTx;
// act
using (var queue = new RabbitMqMessageQueue(ConnectionString, queueName).AutoDeleteInputQueue())
{
using (var scope = new TransactionScope())
{
using (var txBomkarl = new TxBomkarl())
{
var willBeNull = queue.ReceiveMessage(txBomkarl);
existedWhileInstantiatedAndInsideTx = QueueExists(queueName);
}
existedWhileInstantiatedAndOutsideOfTx = QueueExists(queueName);
}
}
var existedAfterDisposal = QueueExists(queueName);
// assert
existedBeforeInstatiation.ShouldBe(false);
existedWhileInstantiatedAndInsideTx.ShouldBe(true);
existedWhileInstantiatedAndOutsideOfTx.ShouldBe(true);
existedAfterDisposal.ShouldBe(false);
}
static RabbitMqOptions DoIt(RebusTransportConfigurer configurer, string connectionString, string inputQueueName, string errorQueueName)
{
var queue = new RabbitMqMessageQueue(connectionString, inputQueueName);
var options = new RabbitMqOptions(queue, configurer);
configurer.AddDecoration(d =>
{
if (options.CreateErrorQueue)
{
queue.CreateQueue(errorQueueName, true);
}
else
{
log.Info(
"Error queue matching topic '{0}' will NOT be created - please ensure that you have bound this topic to something, otherwise failed messages ARE LOST",
errorQueueName);
}
});
configurer.UseSender(queue);
configurer.UseReceiver(queue);
configurer.UseErrorTracker(new ErrorTracker(errorQueueName));
return options;
}
static void DoIt(TransportConfigurer configurer, string connectionString, string inputQueueName, string errorQueueName)
{
var queue = new RabbitMqMessageQueue(connectionString, inputQueueName, errorQueueName);
configurer.UseSender(queue);
configurer.UseReceiver(queue);
configurer.UseErrorTracker(new ErrorTracker(errorQueueName));
}
protected override void DoSetUp()
{
using (var queue = new RabbitMqMessageQueue(ConnectionString, InputQueueName))
{
queue.PurgeInputQueue();
}
}
public RabbitMqSubscriptionStorageRelay(RabbitMqMessageQueue rabbitMqMessageQueue)
{
if (!rabbitMqMessageQueue.ManagesSubscriptions)
{
throw new InvalidOperationException("The RabbitMqSubscriptionStorageRelay should only be used when the Rabbit transport is configured to let Rabbit manage subscriptions");
}
this.rabbitMqMessageQueue = rabbitMqMessageQueue;
}
public RabbitMqSubscriptionStorageRelay(RabbitMqMessageQueue rabbitMqMessageQueue)
{
if (!rabbitMqMessageQueue.ManagesSubscriptions)
{
throw new InvalidOperationException("The RabbitMqSubscriptionStorageRelay should only be used when the Rabbit transport is configured to let Rabbit manage subscriptions");
}
this.rabbitMqMessageQueue = rabbitMqMessageQueue;
}
static void DoIt(TransportConfigurer configurer, string connectionString, string inputQueueName, string errorQueueName)
{
var queue = new RabbitMqMessageQueue(connectionString, inputQueueName, errorQueueName);
configurer.UseSender(queue);
configurer.UseReceiver(queue);
configurer.UseErrorTracker(new ErrorTracker(errorQueueName));
}
static RabbitMqOptions DoIt(RebusTransportConfigurer configurer, string connectionString, string inputQueueName, string errorQueueName, bool ensureExchangeIsDeclared)
{
var queue = new RabbitMqMessageQueue(connectionString, inputQueueName, ensureExchangeIsDeclared);
configurer.UseSender(queue);
configurer.UseReceiver(queue);
configurer.UseErrorTracker(new ErrorTracker(errorQueueName));
return new RabbitMqOptions(queue, configurer);
}
static RabbitMqOptions DoIt(RebusTransportConfigurer configurer, string connectionString, string inputQueueName, string errorQueueName, bool ensureExchangeIsDeclared)
{
var queue = new RabbitMqMessageQueue(connectionString, inputQueueName, ensureExchangeIsDeclared);
configurer.UseSender(queue);
configurer.UseReceiver(queue);
configurer.UseErrorTracker(new ErrorTracker(errorQueueName));
return(new RabbitMqOptions(queue, configurer));
}
static RabbitMqOptions DoIt(RebusTransportConfigurer configurer, string connectionString, string inputQueueName, string errorQueueName)
{
var queue = new RabbitMqMessageQueue(connectionString, inputQueueName);
configurer.AddDecoration(d => queue.CreateQueue(errorQueueName));
configurer.UseSender(queue);
configurer.UseReceiver(queue);
configurer.UseErrorTracker(new ErrorTracker(errorQueueName));
return new RabbitMqOptions(queue, configurer);
}
static RabbitMqOptions DoIt(RebusTransportConfigurer configurer, string connectionString, string inputQueueName, string errorQueueName)
{
var queue = new RabbitMqMessageQueue(connectionString, inputQueueName);
configurer.AddDecoration(d => queue.CreateQueue(errorQueueName));
configurer.UseSender(queue);
configurer.UseReceiver(queue);
configurer.UseErrorTracker(new ErrorTracker(errorQueueName));
return(new RabbitMqOptions(queue, configurer));
}
static RabbitMqOptions DoItOneWay(RebusTransportConfigurer configurer, string connectionString)
{
var messageQueue = RabbitMqMessageQueue.Sender(connectionString);
configurer.UseSender(messageQueue);
var gag = new OneWayClientGag();
configurer.UseReceiver(gag);
configurer.UseErrorTracker(gag);
return(new RabbitMqOptions(messageQueue, configurer));
}
protected RebusBus CreateBus(string inputQueueName, IActivateHandlers handlerActivator)
{
var rabbitMqMessageQueue = new RabbitMqMessageQueue(ConnectionString, inputQueueName, inputQueueName + ".error").PurgeInputQueue();
var bus = new RebusBus(handlerActivator, rabbitMqMessageQueue, rabbitMqMessageQueue,
new InMemorySubscriptionStorage(), new InMemorySagaPersister(), this,
new JsonMessageSerializer(), new TrivialPipelineInspector(),
new ErrorTracker(inputQueueName + ".error"));
toDispose.Add(bus);
toDispose.Add(rabbitMqMessageQueue);
return bus;
}
protected override void DoSetUp()
{
adapter = TrackDisposable(new BuiltinContainerAdapter());
Configure.With(adapter)
.Transport(t => t.UseRabbitMq(RabbitMqFixtureBase.ConnectionString, InputQueueName, "error"))
.Behavior(b => b.EnableMessageAudit(AuditQueueName))
.CreateBus()
.Start(1);
RabbitMqFixtureBase.DeleteQueue(AuditQueueName);
// make sure the receiver is in place at this point, ensuring that bindings'n'all are in place...
auditQueueReceiver = TrackDisposable(new RabbitMqMessageQueue(RabbitMqFixtureBase.ConnectionString, AuditQueueName));
auditQueueReceiver.Initialize();
}
RabbitMqMessageQueue GetQueue(string queueName)
{
var queue = new RabbitMqMessageQueue(ConnectionString, queueName, queueName + ".error");
toDispose.Add(queue);
return queue.PurgeInputQueue();
}
RabbitMqMessageQueue GetQueue(string queueName, bool removeExiting = false, bool oneExchangePerType = false, string inputExchange = null)
{
if (removeExiting) DeleteQueue(queueName);
if (removeExiting && inputExchange != null) DeleteExchange(inputExchange);
queuesToDelete.Add(queueName);
var queue = new RabbitMqMessageQueue(ConnectionString, queueName);
if (oneExchangePerType) queue.UseExchange(null);
if (inputExchange != null) queue.UseExchangeAsInputAddress(inputExchange);
DisposableTracker.TrackDisposable(queue);
return queue.PurgeInputQueue();
}
public RabbitMqOptions(RabbitMqMessageQueue queue, RebusTransportConfigurer configurer)
{
this.queue = queue;
this.configurer = configurer;
}
public void IfQueueNameHasAtSimbolItIsCreatedCorrectly()
{
const string recipientInputQueueName = "test.AtSimbol@";
queuesToDelete.Add(recipientInputQueueName);
var recipientQueue = new RabbitMqMessageQueue(ConnectionString, recipientInputQueueName);
recipientQueue.Initialize();
DeclareQueue(recipientInputQueueName, passive: true).ShouldBe(false);
DeclareQueue(recipientInputQueueName.TrimEnd('@'), passive: true).ShouldBe(true);
}
static List<ReceivedTransportMessage> GetAllMessages(RabbitMqMessageQueue recipient)
{
var timesNullReceived = 0;
var receivedTransportMessages = new List<ReceivedTransportMessage>();
do
{
var msg = recipient.ReceiveMessage(new NoTransaction());
if (msg == null)
{
timesNullReceived++;
continue;
}
receivedTransportMessages.Add(msg);
} while (timesNullReceived < 5);
return receivedTransportMessages;
}
public void TransportLevelMessageIdIsPreserved()
{
const string recipientInputQueueName = "test.tlid.recipient";
const string senderInputQueueName = "test.tlid.sender";
using (var recipientQueue = new RabbitMqMessageQueue(ConnectionString, recipientInputQueueName))
using (var senderQueue = new RabbitMqMessageQueue(ConnectionString, senderInputQueueName))
{
recipientQueue.PurgeInputQueue();
senderQueue.PurgeInputQueue();
var id = Guid.NewGuid();
senderQueue.Send(recipientInputQueueName,
serializer.Serialize(new Message
{
Messages = new object[] { "HELLO WORLD!" },
Headers =
new Dictionary<string, object> {
{ Headers.MessageId, id.ToString() }
},
}),
new NoTransaction());
// act
Thread.Sleep(2.Seconds() + 1.Seconds());
// assert
var receivedTransportMessage = recipientQueue.ReceiveMessage(new NoTransaction());
Assert.That(receivedTransportMessage, Is.Not.Null);
Assert.That(receivedTransportMessage.Headers, Is.Not.Null);
Assert.That(receivedTransportMessage.Headers.ContainsKey(Headers.MessageId), Is.True);
Assert.That(receivedTransportMessage.Headers[Headers.MessageId], Is.EqualTo(id.ToString()));
}
}
public void CanSendToQueueWithEmptyExchangeAfterAtSign()
{
const string recipientInputQueueName = "test.atsimbol.recipient@";
const string senderInputQueueName = "test.atsimbol.sender";
using (var recipientQueue = new RabbitMqMessageQueue(ConnectionString, recipientInputQueueName))
using (var senderQueue = new RabbitMqMessageQueue(ConnectionString, senderInputQueueName))
{
recipientQueue.PurgeInputQueue();
senderQueue.PurgeInputQueue();
var id = Guid.NewGuid();
senderQueue.Send(recipientInputQueueName,
serializer.Serialize(new Message
{
Messages = new object[] { "HELLO WORLD!" },
Headers =
new Dictionary<string, object> {
{ Headers.MessageId, id.ToString() }
},
}),
new NoTransaction());
// act
Thread.Sleep(2.Seconds() + 1.Seconds());
// assert
var receivedTransportMessage = recipientQueue.ReceiveMessage(new NoTransaction());
Assert.That(receivedTransportMessage, Is.Not.Null);
}
}
public void RabbitTransportDoesNotChokeOnMessagesContainingComplexHeaders()
{
// arrange
const string recipientInputQueue = "test.roundtripping.receiver";
const string someText = "whoohaa!";
DeleteQueue(recipientInputQueue);
// ensure recipient queue is created...
using (var recipient = new RabbitMqMessageQueue(ConnectionString, recipientInputQueue))
{
// force creation of the queue
recipient.ReceiveMessage(new NoTransaction());
// act
// send a message with a complex header
using (var connection = new ConnectionFactory { Uri = ConnectionString }.CreateConnection())
using (var model = connection.CreateModel())
{
var props = model.CreateBasicProperties();
props.Headers = new Dictionary<string, object>
{
{
"someKey", new Hashtable
{
{"someContainedKey", "someContainedValue"},
{"anotherContainedKey", "anotherContainedValue"},
}
}
};
model.BasicPublish(recipient.ExchangeName,
recipientInputQueue,
props,
Encoding.GetBytes(someText));
}
Thread.Sleep(2.Seconds());
// assert
var receivedTransportMessage = recipient.ReceiveMessage(new NoTransaction());
receivedTransportMessage.ShouldNotBe(null);
Encoding.GetString(receivedTransportMessage.Body).ShouldBe(someText);
}
// assert
}
static void Run(Parameters parameters)
{
if (string.IsNullOrWhiteSpace(parameters.ErrorQueueName))
{
throw new NiceException("Please specify the name of an error queue");
}
if (string.IsNullOrWhiteSpace(parameters.Host))
{
throw new NiceException("Please specify the hostname");
}
using (var rabbitMqMessageQueue = new RabbitMqMessageQueue(parameters.Host, parameters.ErrorQueueName))
{
using (var tx = new TransactionScope())
{
var transactionContext = new AmbientTransactionContext();
var allTheMessages = GetAllTheMessages(rabbitMqMessageQueue, transactionContext);
foreach (var message in allTheMessages)
{
var transportMessageToSend = message.ToForwardableMessage();
try
{
if (!transportMessageToSend.Headers.ContainsKey(Headers.SourceQueue))
{
throw new NiceException("Message {0} does not have a source queue header - it will be moved back to the input queue",
message.Id);
}
var sourceQueue = (string)transportMessageToSend.Headers[Headers.SourceQueue];
if (parameters.AutoMoveAllMessages.GetValueOrDefault())
{
rabbitMqMessageQueue.Send(sourceQueue, transportMessageToSend, transactionContext);
Print("Moved {0} to {1}", message.Id, sourceQueue);
}
else
{
var answer = PromptChar(new[] { 'y', 'n' }, "Would you like to move {0} to {1}? (y/n)",
message.Id, sourceQueue);
if (answer == 'y')
{
rabbitMqMessageQueue.Send(sourceQueue, transportMessageToSend, transactionContext);
Print("Moved {0} to {1}", message.Id, sourceQueue);
}
else
{
rabbitMqMessageQueue.Send(rabbitMqMessageQueue.InputQueueAddress,
transportMessageToSend,
transactionContext);
Print("Moved {0} to {1}", message.Id, rabbitMqMessageQueue.InputQueueAddress);
}
}
}
catch (NiceException e)
{
Print(e.Message);
rabbitMqMessageQueue.Send(rabbitMqMessageQueue.InputQueueAddress,
transportMessageToSend,
transactionContext);
}
}
if (parameters.DryRun.GetValueOrDefault())
{
Print("Aborting queue transaction");
return;
}
if (!parameters.Interactive)
{
tx.Complete();
return;
}
var commitAnswer = PromptChar(new[] { 'y', 'n' }, "Would you like to commit the queue transaction?");
if (commitAnswer == 'y')
{
Print("Committing queue transaction");
tx.Complete();
return;
}
Print("Queue transaction aborted");
}
}
}
public void MessageExpirationWorks()
{
// arrange
var timeToBeReceived = 2.Seconds().ToString();
const string recipientInputQueueName = "test.expiration.recipient";
const string senderInputQueueName = "test.expiration.sender";
using (var recipientQueue = new RabbitMqMessageQueue(ConnectionString, recipientInputQueueName))
using (var senderQueue = new RabbitMqMessageQueue(ConnectionString, senderInputQueueName))
{
senderQueue.Send(recipientInputQueueName,
serializer.Serialize(new Message
{
Messages = new object[] { "HELLO WORLD!" },
Headers =
new Dictionary<string, object>
{
{
Headers.TimeToBeReceived,
timeToBeReceived
}
},
}),
new NoTransaction());
// act
Thread.Sleep(2.Seconds() + 1.Seconds());
// assert
var receivedTransportMessage = recipientQueue.ReceiveMessage(new NoTransaction());
Assert.That(receivedTransportMessage, Is.Null);
}
}
List<Tuple<bool, Type, string, string>> AssertEventNames(RabbitMqMessageQueue queue, IEnumerable<Tuple<Type, string>> eventsAndExpectedEventNames)
{
return eventsAndExpectedEventNames
.Select(t =>
{
var eventType = t.Item1;
var expectedEventName = t.Item2;
var eventName = queue.GetEventName(eventType);
return eventName == expectedEventName
? Tuple.Create(true, eventType, eventName, expectedEventName)
: Tuple.Create(false, eventType, eventName, expectedEventName);
})
.ToList();
}
public void TestPerformanceOfPrettyEventNameGeneration(int count)
{
var queue = new RabbitMqMessageQueue(ConnectionString, "test.eventnames");
var eventTypes = new List<Type>
{
typeof (string),
typeof (List<string>),
typeof (List<Tuple<string, int, int>>),
typeof (Tuple<List<Tuple<string, int, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, int>>>>>>>),
typeof (Tuple<Tuple<List<Tuple<string, int, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, int>>>>>>,
Tuple<List<Tuple<string, int, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, int>>>>>>,
Tuple<List<Tuple<string, int, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, int>>>>>>,
Tuple<List<Tuple<string, int, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, Tuple<string, int, int>>>>>>>>>>>),
};
var elapsed = eventTypes.Select(t =>
{
var stopwatch = Stopwatch.StartNew();
count.Times(() => queue.GetEventName(t));
return Tuple.Create(queue.GetEventName(t), stopwatch.Elapsed);
});
Console.WriteLine(string.Join(Environment.NewLine, elapsed.Select(t => string.Format(@" {0:0.0} {1}", t.Item2.TotalSeconds, t.Item1))));
}
RabbitMqMessageQueue GetQueue(string queueName)
{
queuesToDelete.Add(queueName);
var queue = new RabbitMqMessageQueue(ConnectionString, queueName);
DisposableTracker.TrackDisposable(queue);
return queue.PurgeInputQueue();
}
internal RabbitMqOptions(RabbitMqMessageQueue queue, RebusTransportConfigurer configurer)
{
this.queue = queue;
this.configurer = configurer;
}