Install Rspec and replace test folder
Write spec for TrackCreator
Install shoulda-matchers
Create spec for track.rb
Install and configure Factory Girl
--format documentation in rspec
Use FactoryGirl in existing specs
Enforce presence of :title, :artist, :permalink_url, :stream_url
Change factory track's attributes
Add specs for TrackUpdater
Add config to use focus
Add specs for playlist.rb
Remove focus
Write spec for TrackDecorator
Write spec for TrackDecorator#mix?
Remove TODOs
remove focus
Add spec for Playlist#as_json_with_tracks
Fix failing specs
Merge pull request #3 from guillaumegaluz/specs

(Finally) Write some ruby specs