New Twiddle

components.test-comp.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    addName(name) {
      this.get('asyncCall')(name).then(result => {
      	this.get('sendUpName')(result);
      });      
    }    
  },
  asyncCall(name) {
    return new Ember.RSVP.Promise((resolve) => {
      Ember.run.later(this,() => {
        resolve(name);        
      }, 1000);
    });
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions: {
    sendName(name) {
      this.set('name', name);
    }
  }
});

templates.application.hbs

{{test-comp name=name sendUpName=(action "sendName")}}

templates.components.test-comp.hbs

<h1 class="classy">Name: {{name}}</h1>
<button class="clicky" {{action "addName" "Bob" on="click"}}>Add name</button>

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.test-comp-test.js

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

moduleForComponent('test-comp', 'Integration | Component | test comp', {
  integration: true
});

test('it updates the name', function(assert) {
  this.set('name', '');
  this.on('sendName', (name) => {    
    this.set('name', name);
  });

  this.render(hbs`{{test-comp name=name sendUpName=(action "sendName")}}`);

  this.$('.clicky').click();

  return wait().then(() => {    
    assert.equal(this.$('.classy').text(), 'Name: Bob');
  });
});

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"
  }
}