05 Jan '14, 7pm

"#415 Upgrading to Rails 4 - RailsCasts"

The first step is to ensure that we’re running the latest version of Rails 3.2 and that all the application’s gems are up to date as well. Also we’ll need to be running Ruby 1.9.3 or later. It’s also a good idea to check that our app’s test suite is passing fully before starting to upgrade. The process will be more difficult if our app doesn’t have automated tests as it means that much more manual testing will be required. At the very least you should add some integration tests to our app before beginning the upgrade. Our application has tests which all pass so we can start to upgrade it to Rails 4. It’s a good idea to do this in a separate branch so we’ll create one now.

Full article: http://railscasts.com/episodes/415-upgrading-to-rails-4?v...

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