/// <summary>
/// Deletes the dataObject from the URI and asserts.
/// </summary>
/// <param name="handler">The handler.</param>
/// <param name="uri">The URI.</param>
/// <param name="errorCode">The error code.</param>
/// <returns>The ProtocolEventArgs.</returns>
protected async Task DeleteAndAssert(IStoreCustomer handler, EtpUri uri, EtpErrorCodes?errorCode = null)
{
// Register event handler for Acknowledge response
var onAcknowledge = HandleAsync <IAcknowledge>(x => handler.OnAcknowledge += x);
// Register exception hanlder
var onProtocolException = HandleAsync <IProtocolException>(x => handler.OnProtocolException += x);
// Send GetObject for non-existant URI
var messageId = handler.DeleteObject(uri);
var tokenSource = new CancellationTokenSource();
var taskList = new List <Task>
{
WaitFor(onAcknowledge, tokenSource.Token),
WaitFor(onProtocolException, tokenSource.Token)
};
// Start each event
taskList.ForEach(task => task.Start());
// Wait for a task to finish
await Task.WhenAny(taskList);
// Cancel the rest of the task
tokenSource.Cancel();
// Wait for the rest to be finished
await Task.WhenAll(taskList);
if (onAcknowledge.Status == TaskStatus.RanToCompletion)
{
var acknowledge = onAcknowledge.Result;
// Assert acknowledgement and messageId
VerifyCorrelationId(acknowledge, messageId);
}
if (onProtocolException.Status == TaskStatus.RanToCompletion)
{
var exceptionArgs = onProtocolException.Result;
// Assert exception details
Assert.IsNotNull(errorCode);
Assert.IsNotNull(exceptionArgs?.Message);
Assert.AreEqual((int)errorCode, exceptionArgs.Message.ErrorCode);
}
}