Testing SignalR Connections with NUnit

The SignalR GitHub site has an example wherein a SignalR PersistentConnection instance is used from a non-HTML client. The idea of being able to use SignalR connections in applications other than those that run in a web browser raises some interesting challenges. Likewise, there aren’t too many examples on how to use SignalR connections. This post will demonstrate asynchronously testing a SignalR connection in an end-to-end scenario using NUnit.