The default blueprint for ember-cli addons.
Last updated 4 years ago by code0100fun .
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$ cnpm install ember-owner-test-utils 
SYNC missed versions from official npm registry.

Ember Owner Test Utils

Build Status Ember Observer Score

This is an addon that is intended to provide an easy mechanism to access and override Ember owner APIs.


ember install ember-owner-test-utils



I find this is most useful for dealin with services that hit the network. It allows you to declaratively specify what a given registration is responsible for inside the test file itself.

At the top of your acceptance|integration|unit test import the register helper with the following line:

import { register } from 'ember-owner-test-utils/test-support/register';

Then from within any place that has a test context (ie inside a beforeEach or test) you may set a new registration with the following:

test('it calls foo on the foo service', function(assert){

  register(this, 'service:foo', Ember.Service.extend({
    foo() {


This signature can be used in all forms of Ember tests.

Playing Make Believe

You can even use it to make a registration on a component that never existed. Like so:

// See here for more of the test:
// https://github.com/rondale-sc/ember-owner-test-utils/blob/master/tests/integration/my-component-test.js
test('allows the registration of components', function(assert) {

 register(this, 'template:components/my-component', hbs`<button class="do-it" {{ action 'foo' }}>GO!</button>`);

  register(this, 'component:my-component', Component.extend({
      actions: {
        foo() { assert.ok(true); }



Hat tip (????) to ember-route-action-helper on this one. This is very useful for testing complex interactions without needing to create unnecessary files in your addon's dummy folder.


Special thanks to @rwjblue for help with 1.13.13 support. Was a difficult thing to track down. :beers: If you'd like to hear @cowboyd and myself talk about this in more depth you can check it out at this episode of ember weekend:

Ember Weekend: Bug Integrat

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  • 0.1.2                                ...           latest (4 years ago)

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