ember-native-dom-helpers

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  showPopup: false,
  actions: {
    blurA() {
      this.set('showPopup', false);
    },
    focusA() {
      this.set('showPopup', true);
    }
  }
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
{{my-component}}

templates.components.my-component.hbs

<div>
<input id="field-a" 
  onblur={{action "blurA"}} 
  onfocus={{action "focusA"}} 
  type="text">
{{#if showPopup}}
<span class="popup">Popup</span>
{{/if}}
</div>
<div>
<input id="field-b" type="text">
</div>

tests.helpers.destroy-app.js

import Ember from 'ember';

export default function destroyApp(application) {
  Ember.run(application, 'destroy');
}

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.helpers.start-app.js

import Ember from 'ember';
import Application from '../../app';
import config from '../../config/environment';

const { run } = Ember;
const assign = Ember.assign || Ember.merge;

export default function startApp(attrs) {
  let application;

  let attributes = assign({rootElement: "#test-root"}, config.APP);
  attributes = assign(attributes, attrs); // use defaults, but you can override;

  run(() => {
    application = Application.create(attributes);
    application.setupForTesting();
    application.injectTestHelpers();
  });

  return application;
}

tests.integration.components.my-component-test.js

import { moduleForComponent, test } from 'ember-qunit';
import hbs from 'htmlbars-inline-precompile';
//import { click } from 'ember-native-dom-helpers/test-support/helpers';

moduleForComponent('my-component', 'My Component', {
  integration: true
});

test('shows popup when field A has focus', function(assert) {

  this.render(hbs`{{my-componnet}}`);

  assert.ok(this.$('.popup').not(':visible'), 'popup is not visible');
  
  this.$('#field-a').click();
  //click('#field-a');
  
  assert.ok(this.$('.popup').is(':visible'), 'popup is visible');
  
  this.$('#field-b').click();
  //click('#field-b');
  
  assert.ok(this.$('.popup').not(':visible'), 'popup is not visible');
});

tests.test-helper.js

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

setResolver(resolver);

twiddle.json

{
  "version": "0.10.7",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": true
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.0",
    "ember-data": "2.10.0",
    "ember-template-compiler": "2.10.0",
    "ember-testing": "2.10.0"
  },
  "addons": {
    "ember-native-dom-helpers": "0.3.2"
  }
}