controller_test.js

gistfile1.js

var stuntAnalytics;

moduleFor('controller:song', 'Unit - Song controller', {
  needs: [
    'controller:song'
  ],
  setup: function() {
    stuntAnalytics = MockAnalytics.create(); // create with a mock library, like sinon;
    this.container.register('service:analytics', stuntAnalytics);
    this.container.inject('controller', 'analytics', 'service:analytics');
    
  }
});

test('Analytics', function() {
  var controller = this.container.create('controller:post');
  controller.sendAnalytics({ type: "click", value: '2', currency: 'USD' });
  test(..., "The analytics service is called with the correct parameters"); // verify the mock
});