I’ve just started looking into Parsley: http://www.spicefactory.org/parsley/
First thought: version 2 is exactly what I’ve been trying to build with RobotLegs.
I’ve only briefly skimmed through the manual, but it really looks promising. I have some initial concerns (the use of Static methods for example; see: http://misko.hevery.com/2008/12/15/static-methods-are-death-to-testability/), but need more time to play around properly.
The forum pointed me to these two handy example projects:
Find them on the forum here:
All the Spice: