As a good little rspeccer, I try hard to write my specs to verify behaviour rather than any particular implementation of that behaviour, and, for the moment at least, I’m in the “isolate your controllers from the models” camp. If you’re not in that camp (i.e., you don’t mock and prefer to do functional testing alone), this post probably won’t interest you. One case I often had problems with was model instance creation. There are just so many darn ways … →