Override Methods on Integration Tests

components.comment-form.js

import Ember from 'ember';

export default Ember.Component.extend({
  comment: '',

  actions: {
    submitComment() {
      this.get('submitComment')({ comment: this.get('comment') });
    }
  }
});

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  text: '',
  didInsertElement() {
  	this.set('text', 'Inserted');
  },
  
  // EXTRACTING ALLOWS OVERRIDING METHODS IN ACTIONS HASH
  buttonClick() {
  	this.set('text', 'This is my click handler.');
  },
  
  actions: {
  	buttonClick() {      
      this.buttonClick();
    }
  }
});

controllers.application.js

import Ember from 'ember';

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

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

templates.application.hbs

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

{{my-component 
	
}}

{{comment-form}}

templates.components.comment-form.hbs

<form {{action "submitComment" on="submit"}}>
  <label>Comment:</label>
  {{textarea value=comment}}

  <input type="submit" value="Submit"/>
</form>

templates.components.my-component.hbs

<h3>My Component</h3>

<h5>{{text}}</h5>

<button class="my-button" {{action "buttonClick"}}>Click Me</button>

tests.helpers.destroy-app.js

import Ember from 'ember';

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

tests.helpers.module-for-acceptance.js

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

const { RSVP: { Promise } } = Ember;

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 Promise.resolve(afterEach).then(() => destroyApp(this.application));
    }
  });
}

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.comment-form-test.js

import { moduleForComponent, test } from 'ember-qunit';
import hbs from 'htmlbars-inline-precompile';

moduleForComponent('comment-form', 'TODO: put something here', {
  integration: true
});

test('should trigger external action on form submit', function(assert) {

  // test double for the external action
  this.set('externalAction', (actual) => {
    let expected = { comment: 'You are not a wizard!' };
    assert.deepEqual(actual, expected, 'submitted value is passed to external action');
  });

  this.render(hbs`{{comment-form submitComment=(action externalAction)}}`);

  // fill out the form and force an onchange
  this.$('textarea').val('You are not a wizard!');
  this.$('textarea').change();

  // click the button to submit the form
  this.$('input').click();
});

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

import { moduleForComponent, test } from 'ember-qunit';
import hbs from 'htmlbars-inline-precompile';

moduleForComponent('my-component', 'TODO: put something here', {
  integration: true
});

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

  // Set any properties with this.set('myProperty', 'value');
  // Handle any actions with this.on('myAction', function(val) { ... });

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

  assert.ok(true);
});

test('Insert function changed', function(assert) {

  // Set any properties with this.set('myProperty', 'value');
  // Handle any actions with this.on('myAction', function(val) { ... });
  
  this.render(hbs`{{my-component}}`);
  
  assert.equal(this.$().find('h5').text().trim(), 'Inserted', 'Inserted text default');
  
  
   this.set('newInsert', function() {
  	this.set('text', 'Insert overridden');
    
  });

  this.render(hbs`{{my-component didInsertElement=newInsert}}`);
  
  assert.equal(this.$().find('h5').text().trim(), 'Insert overridden', 'Inserted text overridden'); 
  
  

  
});



test('Click changes text', function(assert) {

  // Set any properties with this.set('myProperty', 'value');
  // Handle any actions with this.on('myAction', function(val) { ... });
  
  /* IF YOU WANT TO OVERRIDE
  this.set('externalAction', () => {
  	this.set('text', 'Click Override!');
    this.render(hbs`{{my-component text=text}}`);
    assert.equal(this.$().find('h5').text().trim(), 'Click Override!', 'Text changed after click');
  });
  */

  this.render(hbs`{{my-component}}`);
  
  this.$().find('.my-button').click();
  
  assert.equal(this.$().find('h5').text().trim(), 'This is my click handler.', 'Text changed after click');

  
});

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"
  }
}