public void TestBasicOperation()
{
Assert.True(_deadLetterCollection.CountDocuments(FilterDefinition <MongoDeadLetterDocument> .Empty) == 0);
Assert.True(_deadLetterGraveyard.CountDocuments(FilterDefinition <MongoDeadLetterGraveyardDocument> .Empty) == 0);
// Setup a test message and send it, then wait for it to be rejected
var testMessage = new AccessionDirectoryMessage
{
NationalPACSAccessionNumber = "1234",
DirectoryPath = TestContext.CurrentContext.TestDirectory
};
_testHelper.TestProducer.SendMessage(testMessage, null, DeadLetterTestHelper.TestRoutingKey);
new TestTimelineAwaiter().Await(() => _testHelper.MessageRejectorConsumer.NackCount == 1);
IMessageHeader originalHeader = _testHelper.MessageRejectorConsumer.LastHeader;
BasicDeliverEventArgs originalArgs = _testHelper.MessageRejectorConsumer.LastArgs;
Assert.NotNull(originalHeader);
Assert.NotNull(originalArgs);
// Set so the next message is accepted
_testHelper.MessageRejectorConsumer.AcceptNext = true;
// Check 1 message on the DLQ
Assert.AreEqual(1, _testHelper.TestModel.MessageCount(DeadLetterTestHelper.TestDlQueueName));
// Start the host and check message has been read from DLQ into store
var host = new DeadLetterReprocessorHost(_testHelper.GlobalOptions, _cliOptions);
host.Start();
Assert.True(_deadLetterCollection.CountDocuments(FilterDefinition <MongoDeadLetterDocument> .Empty) == 1);
Assert.True(_deadLetterGraveyard.CountDocuments(FilterDefinition <MongoDeadLetterGraveyardDocument> .Empty) == 0);
Assert.AreEqual(0, _testHelper.TestModel.MessageCount(DeadLetterTestHelper.TestDlQueueName));
// Now run the host again with the FlushMessages option set
_cliOptions.FlushMessages = true;
host = new DeadLetterReprocessorHost(_testHelper.GlobalOptions, _cliOptions);
host.Start();
// Check the message has been sent back to the exchange and received by the consumer
Assert.True(_deadLetterCollection.CountDocuments(FilterDefinition <MongoDeadLetterDocument> .Empty) == 0);
Assert.True(_deadLetterGraveyard.CountDocuments(FilterDefinition <MongoDeadLetterGraveyardDocument> .Empty) == 0);
new TestTimelineAwaiter().Await(() => _testHelper.MessageRejectorConsumer.AckCount == 1);
IMessageHeader reprocessedHeader = _testHelper.MessageRejectorConsumer.LastHeader;
BasicDeliverEventArgs reprocessedArgs = _testHelper.MessageRejectorConsumer.LastArgs;
Assert.NotNull(reprocessedHeader);
Assert.NotNull(reprocessedArgs);
// Check the received message matches the original (where expected)
Assert.AreNotEqual(originalHeader.MessageGuid, reprocessedHeader.MessageGuid);
Assert.AreEqual(originalHeader.ProducerExecutableName, reprocessedHeader.ProducerExecutableName);
Assert.AreEqual(originalHeader.ProducerProcessID, reprocessedHeader.ProducerProcessID);
Assert.AreEqual(originalHeader.OriginalPublishTimestamp, reprocessedHeader.OriginalPublishTimestamp);
Assert.True(reprocessedHeader.IsDescendantOf(originalHeader));
// Check the xDeathHeaders
var reprocessedXDeathHeaders = new RabbitMqXDeathHeaders(reprocessedArgs.BasicProperties.Headers, Encoding.UTF8);
// Can't really get the expected time, just have to copy from the result
long expectedTime = reprocessedXDeathHeaders.XDeaths[0].Time;
var expectedXDeathHeaders = new RabbitMqXDeathHeaders
{
XDeaths = new List <RabbitMqXDeath>
{
new RabbitMqXDeath
{
Count = 1,
Exchange = DeadLetterTestHelper.RejectExchangeName,
Queue = DeadLetterTestHelper.RejectQueueName,
Reason = "rejected",
RoutingKeys = new List <string>
{
DeadLetterTestHelper.TestRoutingKey
},
Time = expectedTime
}
},
XFirstDeathExchange = DeadLetterTestHelper.RejectExchangeName,
XFirstDeathQueue = DeadLetterTestHelper.RejectQueueName,
XFirstDeathReason = "rejected",
};
Assert.AreEqual(expectedXDeathHeaders, reprocessedXDeathHeaders);
}
