public void ReceiveMessage_Should_ReceiveMessageAndNotRemoveIt()
{
var store = new ClientDetailsStore();
AwsClientDetails clientDetails = store.Load(Container);
SQSHelper helper = new SQSHelper(clientDetails);
string queueUrl = helper.CreateQueue("TestQ");
// Add a message to the queue to ensure that their is one and wait for 2 seconds to allow
// the message to propogate.
// Add the time on to ensure the correct message is received.
string expectedMessage = "Sample test message " + DateTime.Now.ToLongTimeString();
helper.SendMessage(expectedMessage, queueUrl);
// Messages can be very slow to appear on the queue.
Thread.Sleep(60000);
// Get the sent message.
Amazon.SQS.Model.Message message = helper.ReceiveMessage(queueUrl);
Assert.IsNotNull(message, "No messages");
try
{
Assert.AreEqual(expectedMessage, message.Body, "Expected message body first time");
// Ensure that we can get the message a second time.
Amazon.SQS.Model.Message message2 = helper.ReceiveMessage(queueUrl);
Assert.IsNotNull(message2, "Message should not have been removed.");
Assert.AreEqual(expectedMessage, message2.Body, "Expected message body second time");
}
finally
{
// Delete the message.
helper.DeleteMessage(queueUrl, message.ReceiptHandle);
}
}
private void ReceiveMessage(AwsClientDetails clientDetails)
{
using (var helper = new SQSHelper(clientDetails))
{
Amazon.SQS.Model.Message message = helper.ReceiveMessage(QueueUrl);
if (message != null)
{
MessageId = message.MessageId;
MessageBody = message.Body;
ReceiptHandle = message.ReceiptHandle;
HasMessage = true;
Log.LogMessage(MessageImportance.Normal, "Recieved message {0} from queue {1}", MessageId, QueueUrl);
}
else
{
MessageId = string.Empty;
MessageBody = string.Empty;
ReceiptHandle = string.Empty;
HasMessage = false;
Log.LogMessage(MessageImportance.Normal, "No message received from queue {0}", QueueUrl);
}
}
}