/// <summary>
/// Sends the upstream.
/// </summary>
/// <param name="message">The message.</param>
/// <exception cref="System.ArgumentNullException">message</exception>
public void SendUpstream(IUpstreamMessage message)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
if (_up == null)
{
throw new InvalidOperationException("No upstream handler has been set.");
}
_up.Invoke(message);
}
/// <summary>
/// Invokes all upstream messages.
/// </summary>
/// <exception cref="System.InvalidOperationException"></exception>
public void InvokeUpstream()
{
if (_next == null && _upMessages.Count > 0)
{
throw new InvalidOperationException(string.Format("There is no more upstream handlers after '{0}'.",
_mine.GetType().FullName));
}
IUpstreamMessage message;
while (_upMessages.TryDequeue(out message))
{
_next.Invoke(message);
}
}
public void DestinationIsNotSet()
{
var upContext = new UpstreamContext(new ForwardingUpHandler());
var destination = Substitute.For<IUpstreamHandler>();
var downHandler = Substitute.For<IDownstreamHandler>();
var downContext = new DownstreamContext(downHandler);
var pipeline = new Decoupled.Pipeline.Pipeline();
var msg = Substitute.For<IUpstreamMessage>();
pipeline.Add(downContext);
pipeline.Add(upContext);
pipeline.Add(new UpstreamContext(destination));
pipeline.Start();
upContext.Invoke(msg);
destination.Received().HandleUpstream(Arg.Any<IUpstreamContext>(), msg);
}
