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ember-qunit
Advanced tools
ember-qunit is an Ember.js testing framework that integrates QUnit with Ember.js applications. It provides a set of helpers and utilities to make it easier to write and run tests for Ember.js applications.
Module Setup
This feature allows you to set up a test module for unit testing. The `setupTest` helper sets up the necessary environment for testing an Ember.js service.
import { module, test } from 'qunit';
import { setupTest } from 'ember-qunit';
module('Unit | Service | my-service', function(hooks) {
setupTest(hooks);
test('it exists', function(assert) {
let service = this.owner.lookup('service:my-service');
assert.ok(service);
});
});
Rendering Tests
This feature allows you to write rendering tests for Ember.js components. The `setupRenderingTest` helper sets up the environment for rendering a component and the `render` function is used to render the component in the test.
import { module, test } from 'qunit';
import { setupRenderingTest } from 'ember-qunit';
import { render } from '@ember/test-helpers';
import hbs from 'htmlbars-inline-precompile';
module('Integration | Component | my-component', function(hooks) {
setupRenderingTest(hooks);
test('it renders', async function(assert) {
await render(hbs`<MyComponent />`);
assert.equal(this.element.textContent.trim(), 'expected text');
});
});
Application Tests
This feature allows you to write application tests for Ember.js routes. The `setupApplicationTest` helper sets up the environment for testing an entire Ember.js application, and the `visit` function is used to navigate to a specific route in the test.
import { module, test } from 'qunit';
import { setupApplicationTest } from 'ember-qunit';
import { visit, currentURL } from '@ember/test-helpers';
module('Acceptance | my route', function(hooks) {
setupApplicationTest(hooks);
test('visiting /my-route', async function(assert) {
await visit('/my-route');
assert.equal(currentURL(), '/my-route');
});
});
ember-mocha is an alternative testing framework for Ember.js that integrates Mocha with Ember.js applications. It provides similar functionality to ember-qunit but uses Mocha as the testing framework instead of QUnit. This can be useful for developers who prefer Mocha's syntax and features.
ember-cli-qunit is another package that integrates QUnit with Ember.js applications. It provides a similar set of helpers and utilities as ember-qunit but is specifically designed to work with the Ember CLI build system.
ember-test-helpers is a low-level library that provides a set of helpers for testing Ember.js applications. It is used internally by both ember-qunit and ember-mocha and can be used directly for more fine-grained control over test setup and execution.
ember-qunit simplifies testing of Ember applications with QUnit by providing QUnit-specific wrappers around the helpers contained in ember-test-helpers.
If you need support for Node 14 please use v6.2 of this addon.
If you need support for Node 13 or older Ember CLI versions please use v4.x of this addon.
ember-qunit
is an Ember CLI addon, so install it
as you would any other addon:
$ ember install ember-qunit
Some other addons are detecting the test framework based on the installed
addon names and are expecting ember-cli-qunit
instead. If you have issues
with this then ember install ember-cli-qunit
, which should work exactly
the same.
For instructions how to upgrade to the latest version, please read our Migration Guide.
The following section describes the use of ember-qunit with the latest modern Ember testing APIs, as laid out in the RFCs 232 and 268.
For the older APIs have a look at our Legacy Guide.
Your tests/test-helper.js
file should look similar to the following, to
correctly setup the application required by @ember/test-helpers
:
import Application from '../app';
import config from '../config/environment';
import { setApplication } from '@ember/test-helpers';
import { start } from 'ember-qunit';
setApplication(Application.create(config.APP));
start();
Also make sure that you have set ENV.APP.autoboot = false;
for the test
environment in your config/environment.js
.
The setupTest()
function can be used to setup a unit test for any kind
of "module/unit" of your application that can be looked up in a container.
It will setup your test context with:
this.owner
to interact with Ember's Dependency Injection
systemthis.set()
, this.setProperties()
, this.get()
, and this.getProperties()
this.pauseTest()
method to allow easy pausing/resuming of testsFor example, the following is a unit test for the SidebarController
:
import { module, test } from 'qunit';
import { setupTest } from 'ember-qunit';
module('SidebarController', function(hooks) {
setupTest(hooks);
// Replace this with your real tests.
test('exists', function() {
let controller = this.owner.lookup('controller:sidebar');
assert.ok(controller);
});
});
The setupRenderingTest()
function is specifically designed for tests that
render arbitrary templates, including components and helpers.
It will setup your test context the same way as setupTest()
, and additionally:
render()
@ember/test-helpers
(click()
, fillIn()
, ...)import { module, test } from 'qunit';
import { setupRenderingTest } from 'ember-qunit';
import { render, find } from '@ember/test-helpers';
import { hbs } from 'ember-cli-htmlbars';
module('GravatarImageComponent', function(hooks) {
setupRenderingTest(hooks);
test('renders', async function() {
await render(hbs`{{gravatar-image}}`);
assert.ok(find('img'));
});
});
The setupApplicationTest()
function can be used to run tests that interact
with the whole application, so in most cases acceptance tests.
On top of setupTest()
it will:
click()
, fillIn()
, ...) as well as the Routing Helpers
(visit()
, currentURL()
, ...) from @ember/test-helpers
import { module, test } from 'qunit';
import { setupApplicationTest } from 'ember-qunit';
import { visit, currentURL } from '@ember/test-helpers';
module('basic acceptance test', function(hooks) {
setupApplicationTest(hooks);
test('can visit /', async function(assert) {
await visit('/');
assert.equal(currentURL(), '/');
});
});
Configuration is optionally managed via @embroider/macros
To configure ember-qunit
, in your ember-cli-build.js
, add:
'use strict';
const EmberApp = require('ember-cli/lib/broccoli/ember-app');
module.exports = function (defaults) {
const app = new EmberApp(defaults, {
'@embroider/macros': {
setConfig: {
'ember-qunit': {
/**
* default: false
*
* removes the CSS for the test-container (where the app and components are rendered to)
*/
disableContainerStyles: true,
/**
* default: 'qunit-default'
* options: 'qunit-default' | 'ember'
*
* Sets the theme for the Web UI of the test runner. Use a different value to disable loading any theme, allowing you to provide your own external one.
*/
theme: 'qunit-default',
},
},
},
/* ... */
});
/* ... */
};
git clone <repository-url>
cd ember-qunit
pnpm install
pnpm test
(Runs ember try:each
to test your addon against multiple Ember versions)ember test
ember test --server
ember serve
For more information on using ember-cli, visit https://ember-cli.com/.
FAQs
QUnit helpers for testing Ember.js applications
The npm package ember-qunit receives a total of 108,921 weekly downloads. As such, ember-qunit popularity was classified as popular.
We found that ember-qunit demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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