emberjs test

keys.js

test('should contain properties declared in the extension', function () {
  var beer = Ember.Object.extend({
    type: 'ipa'
  }).create();

  var keys = Ember.keys(beer);

  deepEqual(keys, ['type']);
});

test('should return properties that were set after object creation', function () {
  var beer = Ember.Object.extend({
    type: 'ipa'
  }).create();

  beer.set('brand', 'big daddy');

  var keys = Ember.keys(beer);

  deepEqual(keys, ['type', 'brand']);
});