Find unused code in a Rails app

Question

How do I find what code is and isn\'t being run in production ?

The app is well-tested, but there\'s a lot of tests that test unused code.

Answer 1

Have you tried creating a test suite using something like sahi you could then record all your user journies using this and tie those tests to rcov or something similar.

You do have to ensure you have all user journies but after that you can look at what rcov spits out and at least start to prune out stuff that is obviously never covered.