Foreword (to The Rails™ 4 Way)
A long time ago, I was an intern at a technology company. We had “deploy week,” meaning that after deploying, we took an entire week to fight fires. Moving our code to the production environment would inevitably cause unexpected changes. One day, I read a blog post titled “Unit Testing with Ruby on Rails,” and my life was forever changed. I excitedly went and told my team that we could write code to check whether our code worked before deploying, but they weren’t particularly interested. A few months later, when a friend asked me to be the CTO of his startup, I said, “Only if I can do it in Ruby on Rails.”
My story was fairly typical for that period. I didn’t know anything about Ruby, but I had to write my application ...
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