How To Get Rails 3 and RSpec 2 Running Specs Fast (From Scratch)

Ruby Weekly is a weekly newsletter covering the latest Ruby and Rails news. Rails 3 is great. RSpec 2 is great. And Ruby 1.9.2 is really great. Getting them all running together and quickly, however, isn't entirely straightforward. In this post I demonstrate how to get everything ticking over along with automatically running, super-snappy test runs. The ultimate outcome is using Ruby 1.9.2 (though

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watchrを使えばautotestより柔軟。[RAILS_HOME]/lib/tasks/以下にコマンドを用意すればrake watchrで起動できたり。