One thing I really miss about Java is the tool support. FindBugs, Checkstyle and PMD made for a holy trinity of code quality metrics and automatic bug checking.
Is there anything that will check for simple bugs and / or style violations of Ruby code? Bonus points if I can adapt it for frameworks such as Rails so that Rails idioms are adhered to.
I’ve recently started looking for something like this for Ruby. What I’ve run across so far:
These might be places to start. Unfortunately I haven’t used any of the three enough yet to offer a good opinion.