public void Enqueue_Transactions_Abort_Properly()
{
recreateQueue();
BinaryMessageEncodingBindingElement element = new BinaryMessageEncodingBindingElement();
MessageEncoder encoder = element.CreateMessageEncoderFactory().Encoder;
MessageDeliveryFormatter formatter = new MessageDeliveryFormatter(new ConverterMessageDeliveryReaderFactory(encoder, typeof(IContract)), new ConverterMessageDeliveryWriterFactory(encoder, typeof(IContract)));
MsmqMessageDeliveryQueue queue = new MsmqMessageDeliveryQueue(Config.TestQueuePath, formatter);
SubscriptionEndpoint endpoint = new SubscriptionEndpoint(Guid.NewGuid(), "SubscriptionName", "http://localhost/test", "SubscriptionConfigName", typeof(IContract), new WcfProxyDispatcher(), new PassThroughMessageFilter());
MessageDelivery enqueued = new MessageDelivery(endpoint.Id, typeof(IContract), "PublishThis", "randomMessageData", 3, new MessageDeliveryContext());
Assert.IsNull(queue.Peek(TimeSpan.FromSeconds(1))); // make sure queue is null before starting
// Enqueue, but abort transaction
using (TransactionScope ts = new TransactionScope())
{
queue.Enqueue(enqueued);
}
using (TransactionScope ts = new TransactionScope())
{
MessageDelivery dequeued = queue.Dequeue(TimeSpan.FromSeconds(5));
Assert.IsNull(dequeued);
}
}
void testMessageDelivery <T>(string messageAction, object messageData)
{
Type interfaceType = typeof(T);
BinaryMessageEncodingBindingElement element = new BinaryMessageEncodingBindingElement();
MessageEncoder encoder = element.CreateMessageEncoderFactory().Encoder;
MessageDeliveryFormatter formatter = new MessageDeliveryFormatter(new ConverterMessageDeliveryReaderFactory(encoder, typeof(T)), new ConverterMessageDeliveryWriterFactory(encoder, typeof(T)));
MsmqMessageDeliveryQueue queue = new MsmqMessageDeliveryQueue(Config.TestQueuePath, formatter);
SubscriptionEndpoint endpoint = new SubscriptionEndpoint(Guid.NewGuid(), "SubscriptionName", "http://localhost/test", "SubscriptionConfigName", interfaceType, new WcfProxyDispatcher(), new PassThroughMessageFilter());
MessageDelivery enqueued = new MessageDelivery(endpoint.Id, interfaceType, messageAction, messageData, 3, new MessageDeliveryContext());
using (TransactionScope ts = new TransactionScope())
{
queue.Enqueue(enqueued);
ts.Complete();
}
// Peek
MessageDelivery dequeued = queue.Peek(TimeSpan.FromSeconds(30));
Assert.IsNotNull(dequeued);
Assert.AreEqual(enqueued.Action, dequeued.Action);
Assert.AreEqual(enqueued.SubscriptionEndpointId, dequeued.SubscriptionEndpointId);
using (TransactionScope ts = new TransactionScope())
{
// Pull for real
dequeued = queue.Dequeue(TimeSpan.FromSeconds(30));
ts.Complete();
}
Assert.IsNotNull(dequeued);
Assert.AreEqual(enqueued.Action, dequeued.Action);
Assert.AreEqual(enqueued.SubscriptionEndpointId, dequeued.SubscriptionEndpointId);
// Should now be empty
dequeued = queue.Peek(TimeSpan.FromSeconds(1));
Assert.IsNull(dequeued);
}