import { moduleForComponent, test } from 'ember-qunit'; import hbs from 'htmlbars-inline-precompile'; moduleForComponent('atob', 'helper:atob', { integration: true }); // Replace this with your real tests. test('it renders', function(assert) { this.set('inputValue', 'MTIzNA=='); this.render(hbs`{{atob inputValue}}`); assert.equal(this.$().text().trim(), '1234'); });