We recently have switched one of our apps to Ruby 2.2 and I did not know what exactly is behind it so I decided to do a research and learn something new. A detailed list of changes introduced in version 2.2 can be found in Github.
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RSpec Mocks and `instance_double`
RSpec is a testing framework for Behaviour Driven Development that is composed of multiple libraries. In my current job, for testing Ruby on Rails application, we use rspec-rails gem that installs also all other libraries: rspec-core, rspec-exceptations, rspec-mocks and rspec-support.
Read more...Understanding Ruby `each_with_object` method
It is always nice to do the same thing in a better and quicker way. A problem that occurs quite often in my everyday work is converting a hash to an array of hashes with a different structure.
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