http://csharperimage.jeremylikness.com/2015/12/three-shades-of-angular.html
Angular Health App - Angular v1.x
https://github.com/JeremyLikness/AngularHealthApp
Angular Health App - Angular v2.0alpha
https://github.com/JeremyLikness/Angular2HealthApp/
origin - http://www.pipiscrew.com/?p=3055 three-shades-of-angular-test-driven-development