New Twiddle

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

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>

templates.components.my-component.hbs

test

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

module('Integration | Component | my-exam1', function(hooks) {
  setupLifelineValidation(hooks);
  setupRenderingTest(hooks);

  // Just a setup for demo. Please ignore it.
  hooks.beforeEach(function(assert) {
    this.owner.register('component:my-exam1', TheComponent);
    this.owner.register('template:components/my-exam1', TheTemplate);
  });

  test('it renders do-something button', async function(assert) {
    await render(hbs`{{my-exam1}}`);
    assert.equal(findAll('#do-something').length, 1);
  });

  test('do-something button works', async function(assert) {
    await render(hbs`{{my-exam1}}`);
    await click('#do-something');
    assert.equal(find('#message').textContent.trim(), "Time's up! Let's do this");
  });

  test('Not my fault. I am so well behaved', function(assert) {
    assert.ok(true);
  });
});

tests.test-helper.js

import Application from '../app';
import config from '../config/environment';
import { setApplication } from '@ember/test-helpers';
import { start } from 'ember-qunit';
import { assign } from '@ember/polyfills';

let attributes = assign({ rootElement: '#ember-testing', autoboot: false }, config.APP);
setApplication(Application.create(attributes));

start();

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": true
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}