testing - How can I decrease my Rails test overhead? -

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i'm using test::unit on large app large number of gem dependencies (>75). i'm trying develop using bdd, takes minutes app load it's dependencies before can run tests. there way preload dependencies , auto-run test on changes, or similar solution?

i using rspec , there's great tool it, called spork. loads app once , reloads modified parts. if combine guard, "continuous testing". is, hit 'save' in editor , tests start executing, giving instant feedback. still amazes me after months :)

edit

as @them points out, there's plugin spork support testunit. should it.


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