RFC-232 Tests

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

{{yield}}

tests.acceptance.application-test\.js

import { module, test } from 'qunit';
import { setupApplicationTest } from 'ember-qunit';
import { visit, currentURL } from '@ember/test-helpers';

module('TODO: put something here', function(hooks) {
  setupApplicationTest(hooks);

  test('visiting /', async function(assert) {
    await visit('/');

    assert.equal(currentURL(), '/');
  });
});

tests.helpers.destroy-app\.js

import { run } from '@ember/runloop';

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

tests.helpers.module-for-acceptance\.js

import { module } from 'qunit';
import { resolve } from 'rsvp';
import startApp from '../helpers/start-app';
import destroyApp from '../helpers/destroy-app';

export default function(name, options = {}) {
  module(name, {
    beforeEach() {
      this.application = startApp();

      if (options.beforeEach) {
        return options.beforeEach.apply(this, arguments);
      }
    },

    afterEach() {
      let afterEach = options.afterEach && options.afterEach.apply(this, arguments);
      return resolve(afterEach).then(() => destroyApp(this.application));
    }
  });
}

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.autoboot = true;
  attributes.rootElement = '#ember-testing';
  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 { module, test } from 'qunit';
import { render } from '@ember/test-helpers';
import { setupRenderingTest } from 'ember-qunit';
import hbs from 'htmlbars-inline-precompile';

module('my-component', 'TODO: put something here', function(hooks) {
  setupRenderingTest(hooks);

  test('it renders', async function(assert) {

    await render(hbs`{{my-component}}`);

    assert.equal(this.element.textContent.trim(), '');

    // Template block usage:
    await render(hbs`
      {{#my-component}}
        template block text
      {{/my-component}}
    `);

    assert.equal(this.element.textContent.trim(), 'template block text');
  });
});

tests.test-helper\.js

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

setApplication(Application.create(assign({ rootElement: '#test-root', autoboot: false }, config.APP)));

start();

tests.unit.controllers.application-test\.js

import { module, test } from 'qunit';
import { setupTest } from 'ember-qunit';

module('controller:application', 'TODO: put something here', function(hooks) {
  setupTest(hooks);

  test('it exists', function(assert) {
    let controller = this.owner.lookup('controller:application');
    assert.ok(controller);
  });
});

twiddle\.json

{
  "version": "0.16.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": true
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.14.3",
    "ember-template-compiler": "3.14.3",
    "ember-testing": "3.14.3"
  },
  "addons": {
    "ember-data": "3.14.1"
  }
}