Tests are important. Very important. Period. Everyone knows that, right? You may disagree, but at some point I bet you’ll change your mind. But right now, I don’t want to try to convince you. I want to show you how to set up your Ember app to automatically generate test coverage reports and send them to Code Climate. This will help you to keep track of test coverage status in your app.
Here's a guide to setup Devise with your Ember app. Devise is Ruby community-wide default for authentication. Ember-simple-auth is Ember community-wide default for authentication. These two work well together - use them and don't reinvent the wheel.