public async Task AddIncomingMiddleware_AppliedToIncomingMessages()
{
_sut.AddIncomingMiddleware(ms => ms.Select(m =>
{
m.Text += "++";
return(m);
}));
await Connect();
var observer = ObserveIncomingMessages();
_incomingMessages.OnNext(new MessageEvent {
Text = "foo"
});
observer.Messages.Select(m => m.Value.Value.Text)
.ShouldMatch(new[] { "foo++" });
}