// if you don't have a custom resolver, do it like this:
setResolver(Ember.DefaultResolver.create({namespace: App}));

// otherwise something like:
import Resolver from './path/to/resolver';
import {setResolver} from 'ember-qunit';
setResolver(Resolver.create());

// tell ember qunit what you are testing, it will find it from the
// resolver
moduleForComponent('x-foo', 'XFooComponent');

// run a test
test('it renders', function() {
  expect(2);

  // creates the component instance
  var component = this.subject();
  equal(component.state, 'preRender');

  // render the component on the page
  this.render();
  equal(component.state, 'inDOM');
});

// a more complex example taken from ic-tabs
moduleForComponent('ic-tabs', 'TabsComponent', {

  // specify the other units that are required for this test
  needs: [
    'component:ic-tab',
    'component:ic-tab-panel',
    'component:ic-tab-list'
  ]
});

test('selects first tab and shows the panel', function() {
  expect(3);
  var component = this.subject({

    // can provide properties for the subject, like the yielded template
    // of a component (not the layout, in this case)
    template: Ember.Handlebars.compile(''+
      '{{#ic-tab-list}}'+
        '{{#ic-tab id="tab1"}}tab1{{/ic-tab}}'+
        '{{#ic-tab id="tab2"}}tab2{{/ic-tab}}'+
        '{{#ic-tab id="tab3"}}tab3{{/ic-tab}}'+
      '{{/ic-tab-list}}'+
      '{{#ic-tab-panel id="panel1"}}one{{/ic-tab-panel}}'+
      '{{#ic-tab-panel id="panel2"}}two{{/ic-tab-panel}}'+
      '{{#ic-tab-panel id="panel3"}}three{{/ic-tab-panel}}'
    })
  });
  this.render();
  var tab1 = Ember.View.views['tab1'];
  var panel1 = Ember.View.views['panel1'];
  ok(component.get('activeTab') === tab1);
  ok(tab1.get('active'));
  var el = tab1.$();
  ok(panel1.$().is(':visible'));
});

moduleForComponent('ic-tabs', 'TabsComponent', {

  // specify the other units and templates that are required for this test
  needs: [
    'component:ic-tab',
    'template:components/ic-tab',
    'component:ic-tab-panel',
    'template:components/ic-tab-panel',
    'component:ic-tab-list'
  ]
});
.....

// If you return a promise from a test callback it becomes an asyncTest. This
// is a key difference between ember-qunit and standard QUnit.
test('async is awesome', function() {
  expect(1);
  var myThing = MyThing.create();
  // myThing.exampleMethod() returns a promise
  return myThing.exampleMethod().then(function() {
    ok(myThing.get('finished'));
  });
});

test('sometimes async gets rejected', function(){
  expect(1);
  var myThing = MyThing.create()

  return myThing.exampleMethod().then(function(){
    ok(false, "promise should not be fulfilled");
  })['catch'](function(err){
    equal(err.message, "User not Authorized");
  });
});