Dave Schweisguth in a Bottle

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Archive for April 2011

Upgrading GWW from Rails 2, RSpec 1 and prototype to Rails 3, RSpec 2 and jQuery

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GWW originated on Rails 1; I upgraded it to Rails 2 last year. I’d been putting off the upgrade to Rails 3 until a bug in Phusion Passenger which breaks redirects in Apache httpd was fixed, but I want to use a database adapter which supports MySQL spatial features, and that requires Rails 3. I said goodbye to page caching until (crossing fingers) Passenger 3.0.6, made a branch and started editing my Gemfile.

Although Rails 3 has been released for more than half a year, upgrading involved many hiccups and a couple of landslides. I’d have been happy to just update my gems and be done with it, but I had to hunt around enough that it seemed worth logging what I did in case it helped someone else. I’ve kept it as short and to-the-point as I could. Although I fixed all of the deprecations that Rails 3 reported as I encountered them, I won’t mention them further, since in every case they were completely clear and fixing them only required following instructions. I’ve also left out a handful of odd little incorrectnesses in GWW which worked in Rails 2 but broke in Rails 3, since the details probably won’t interest anyone else and the fixes were obvious. Otherwise, here’s how the upgrade went.

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Written by dschweisguth

April 4, 2011 at 08:29

Posted in Programming, Rails, Ruby, Testing