How to compare Rails ''executables" before and after refactor?

Posted by Kyle Heironimus on Stack Overflow See other posts from Stack Overflow or by Kyle Heironimus
Published on 2012-09-01T11:57:18Z Indexed on 2012/09/23 3:38 UTC
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Filed under:

ruby-on-rails

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ruby

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jruby

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rubinius

In C, I could generate an executable, do an extensive rename only refactor, then compare executables again to confirm that the executable did not change. This was very handy to ensure that the refactor did not break anything.

Has anyone done anything similar with Ruby, particularly a Rails app? Strategies and methods would be appreciated. Ideally, I could run a script that output a single file of some sort that was purely bytecode and was not changed by naming changes. I'm guessing JRuby or Rubinus would be helpful here.

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