My good friend and colleague DS filled me in on a little trick that I’d like to share. When testing, it’s a good idea to have factories written for each model. Now, if your model is already created, you’ll have to spin up that factory manually. But how about ensuring your factories are created with each new model you generate?
Enters this nifty bit of code you can add to your config/application.rb file, within the Application class:
The Ruby Railroad 