New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

tests.helpers.resolver.js

import Resolver from '../../resolver';
import config from '../../config/environment';

const resolver = Resolver.create();

resolver.namespace = {
  modulePrefix: config.modulePrefix,
  podModulePrefix: config.podModulePrefix
};

export default resolver;

tests.integration.image-loading-test.js

import { moduleForComponent, test } from 'ember-qunit';
import hbs from 'htmlbars-inline-precompile';
import wait from "ember-test-helpers/wait";
import Ember from 'ember';

Ember.Test.registerWaiter(() => {
  let images = document.querySelectorAll('img');
  let imagesArray = Array.prototype.slice.call(images);
  return !imagesArray.any(image => !image.complete);
});

moduleForComponent('image-loading', 'Integration | Image loading', {
  integration: true
});

test('loads an image', function(assert) {
  this.set('imageUrl', 'https://emberjs.com/images/tomsters/original-72df3a45.png');
  this.render(hbs`
    <img src={{imageUrl}}>
  `);

  return wait().then(() => {
    let imageElement = this.$('img')[0];
    assert.ok(imageElement.complete, 'image has loaded');
  });
});

tests.test-helper.js

import resolver from './helpers/resolver';
import {
  setResolver
} from 'ember-qunit';

setResolver(resolver);

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": true
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}