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# [QUnit](https://qunitjs.com) - A JavaScript Unit Testing Framework.

QUnit is a powerful, easy-to-use, JavaScript unit testing framework. It's used by the jQuery
project to test its code and plugins but is capable of testing any generic
JavaScript code (and even capable of testing JavaScript code on the server-side).

QUnit is especially useful for regression testing: Whenever a bug is reported,
write a test that asserts the existence of that particular bug. Then fix it and
commit both. Every time you work on the code again, run the tests. If the bug
comes up again - a regression - you'll spot it immediately and know how to fix
it, because you know what code you just changed.

Having good unit test coverage makes safe refactoring easy and cheap. You can
run the tests after each small refactoring step and always know what change
broke something.

QUnit is similar to other unit testing frameworks like JUnit, but makes use of
the features JavaScript provides and helps with testing code in the browser, e.g.
with its stop/start facilities for testing asynchronous code.

If you are interested in helping developing QUnit, you are in the right place.
For related discussions, visit the
[QUnit and Testing forum](https://forum.jquery.com/qunit-and-testing).

## Development

To submit patches, fork the repository, create a branch for the change. Then implement
the change, run `npm test` to lint and test it, then commit, push and create a pull request.

Include some background for the change in the commit message and `Fixes #nnn`, referring
to the issue number you're addressing.

To run `npm test`, you need [Node.js](https://nodejs.org/download/), which includes `npm`.

## Releases

Use [jquery-release](https://github.com/jquery/jquery-release). The following aren't handled there, do that first:

* Install [git-extras](https://github.com/visionmedia/git-extras) and run `git changelog` to update `History.md`. Clean up the changelog, removing merge commits, whitespace cleanups or other irrelevant commits.
* Run `grunt authors` and add any new authors to AUTHORS.txt
* Update the version property in `package.json` to have the right -pre version. Not necessary for patch releases.

Commit these:

	Build: Prepare @VERSION release, including authors and history update

Then run the script:

	node release.js --remote=jquery/qunit

Update `jquery/qunitjs.com`, replacing previous versions with new ones:

* pages/index.html
* resources/*.html

Update [GitHub releases](https://github.com/jquery/qunit/releases), use the changelog from `History.md`.

Finally announce on Twitter @qunitjs (add highlights if possible, otherwise a 2nd tweet might do):

	Released @VERSION: https://github.com/jquery/qunit/releases/tag/1.17.0