import { module, test } from 'qunit'; import { setupRenderingTest } from 'ember-qunit'; import { render } from '@ember/test-helpers'; import hbs from 'htmlbars-inline-precompile'; module('helper:atob', function(hooks) { setupRenderingTest(hooks); // Replace this with your real tests. test('it renders', async function(assert) { this.set('inputValue', 'MTIzNA=='); await render(hbs`{{atob inputValue}}`); assert.dom('*').hasText('1234'); }); });