ember-cli-lolex-shim

An ember addon for using lolex fake timer in your tests.

Installation

ember install ember-cli-lolex-shim

Usage

import moduleForAcceptance from '../../tests/helpers/module-for-acceptance';
import { test } from 'qunit';
import lolex from 'lolex';

moduleForAcceptance('Acceptance | lolex');

test('rocket ship launches', function(assert) {

  // install the clock and make the test async
  const clock = lolex.install(),
    done = assert.async();

  // make sure to tick the clock to the next
  // scheduled event when running async code
  // like visit()
  visit('/launch-page');
  clock.next();
  assert.equal(currentURL(), '/launch-page');

  // let's assume this button starts the countdown
  // triggering launch after 10 seconds
  click('button');
  assert.ok(find('.rocket-ship').hasClass('.still-on-earth'));
  
  // fast forward to see the rocket taking off right away
  // (that's eleven seconds from the previous clock time)
  clock.tick(11000);
  assert.ok(find('.rocket-ship').hasClass('.taking-off'));
  
  // uninstall clock and finish async test
  clock.uninstall();
  done();
});

Similar code runs in this acceptance test from our suite.

Development

• git clone <repository-url> this repository
• cd ember-cli-lolex-shim
• npm install
• bower install

Running

• ember serve
• Visit your app at http://localhost:4200.

Running Tests

• npm test (Runs ember try:each to test your addon against multiple Ember versions)
• ember test
• ember test --server

Building

• ember build

For more information on using ember-cli, visit https://ember-cli.com/.