mock file upload

components.file-input.js

import Ember from 'ember';

export default Ember.Component.extend({
  attributeBindings: ['type'],
  change() {
    console.log('change triggered');
  },
  tagName: 'input',
  type: 'file'
});

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.file-input.hbs

{{yield}}

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.integration.components.file-input-test.js

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

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

test('it renders an input field', function(assert) {
	this.render(hbs`{{file-input}}`);
  assert.equal(this.$().children().eq(0).prop('tagName').toLowerCase(), 'input');
  assert.equal(this.$('input').attr('type'), 'file');
});

test('trigger change without target', function(assert) {
  assert.expect(2);

  this.set('externalAction', (e) => {
    assert.ok(true, 'ember change listener is triggered');
  });
  this.render(hbs`{{file-input change=(action externalAction)}}`);

  this.$('input').on('change', () => {
    assert.ok(true, 'jquery on change listener is triggered');
  });
  let file = new Blob(['image-file-data-mock'], { type: 'image/jpeg' });
  this.$('input').trigger({ type: 'change' });
});

test('trigger change with target', function(assert) {
  assert.expect(2);

  this.set('externalAction', (e) => {
    assert.ok(true, 'ember change listener is triggered');
  });
  this.render(hbs`{{file-input change=(action externalAction)}}`);

  this.$('input').on('change', () => {
    assert.ok(true, 'jquery on change listener is triggered');
  });
  let file = new Blob(['image-file-data-mock'], { type: 'image/jpeg' });
  this.$('input').trigger({ target: { files: [file] }, type: 'change' });
});

tests.test-helper.js

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

setResolver(resolver);

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": true
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "ember-testing": "2.10.2"
  },
  "addons": {}
}