public void RaisesTransmissionSentWhenTransmissionFinishesSending()
{
var sender = new StubTransmissionSender();
Transmitter queue = CreateTransmitter(sender: sender);
object eventSender = null;
TransmissionProcessedEventArgs eventArgs = null;
queue.TransmissionSent += (s, e) =>
{
eventSender = s;
eventArgs = e;
};
var transmission = new StubTransmission();
var exception = new Exception();
sender.OnTransmissionSent(new TransmissionProcessedEventArgs(transmission, exception));
Assert.Same(queue, eventSender);
Assert.Same(transmission, eventArgs.Transmission);
Assert.Same(exception, eventArgs.Exception);
}
public void LogsUnhandledAsyncExceptionsToPreventThemFromCrashingApplication()
{
var exception = new Exception(Guid.NewGuid().ToString());
var sender = new StubTransmissionSender { OnEnqueue = getTransmissionAsync => { throw exception; } };
Transmitter transmitter = CreateTransmitter(sender: sender);
using (var listener = new TestEventListener())
{
const long AllKeywords = -1;
listener.EnableEvents(TelemetryChannelEventSource.Log, EventLevel.Warning, (EventKeywords)AllKeywords);
sender.OnTransmissionSent(new TransmissionProcessedEventArgs(new StubTransmission()));
EventWrittenEventArgs message = listener.Messages.First();
Assert.Contains(exception.Message, (string)message.Payload[0], StringComparison.Ordinal);
}
}
public void MovesOldestTransmissionFromBufferToSender()
{
Transmission sentTransmission = null;
var sender = new StubTransmissionSender();
sender.OnEnqueue = getTransmission =>
{
sentTransmission = getTransmission();
return false;
};
Transmission bufferedTransmission = new StubTransmission();
var buffer = new TransmissionBuffer();
buffer.Enqueue(() => bufferedTransmission);
Transmitter transmitter = CreateTransmitter(sender: sender, buffer: buffer);
sender.OnTransmissionSent(new TransmissionProcessedEventArgs(new StubTransmission()));
Assert.Same(bufferedTransmission, sentTransmission);
}