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A test-driven approach to assessing JS skills

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README.md

A test-driven JS assessment

This repo includes a set of tests that can be used to assess the skills of a candidate for a JavaScript position, or to improve one's own skills.

I want to work on the tests; what do I do?

To use the tests, you will need to install Node -- you can do this via the download page or using Homebrew if you are on a Mac.

Note that on Windows, there are some reports that you will need to restart after installing Node - see #12.

You can clone or download this repo. Once you have done so, from the root directory of the repo, run:

npm install
node bin/serve

You can then view the tests in your browser at http://localhost:4444.

When you visit that page, all of the tests should be failing; your job is to get the tests to pass. To do this, you'll need to refer to the tests in the files in the tests/app directory, and edit the files in the app/ directory. Once you update a test, you can reload the test page in the browser to see whether it worked.

You can also run (most of) the tests on the command line:

npm test

The command line runner is a work in progress; contributions welcome :)

You can also develop with live-reload and grunt-watch if that's your thing:

npm install -g grunt-cli
npm install
grunt develop

I need help!

There may be friendly folks willing to help you in #js-assessment or #jshotline on freenode IRC.

I want to contribute tests; what do I do?

Submit a pull request! The tests are currently loosely organized by topic, so you should do your best to add tests to the appropriate file in tests/app, or create a new file there if you don't see an appropriate one. If you do create a new file, make sure to add it to tests/runner.js, and to add a stub for the solution to the corresponding file in app/. Finally, it would be great if you could update the answers as well.

Any substantial contributions will be duly credited in the readme, as well as of course in the git commit log.

Data-driven tests

If your tests need data that can be fetched via XHR, stick a .json file in the data directory; you can access it at /data/<filename>.json.

Available dependencies

The repo includes jQuery, Backbone, Underscore, and RequireJS. If there's other stuff you'd find useful, you can put it in the lib directory.

I want to see the answers!

First, bear in mind that looking up the answers is going to teach you a whole lot less than you'll learn by working on the tests, even if you occasionally get stuck. I'd recommend only looking at the answers once you have the tests passing, to see if there's another way you could have approached the problem. When you're ready to look at the answers, you can find them here; I'll do my best to keep them up to date.

I hate <some technology you've chosen>

This repo uses RequireJS for dependency management and Mocha and expect.js for the tests themselves. It uses the BDD style for authoring tests. If this doesn't suit you, please fork away, or, better, submit a pull request that lets this be more flexible than it currently is.

Todos

There are a number of things that would make this project better; check out the issues for details, pull requests welcome!

License

Copyright © 2012 Rebecca Murphey.

This work is licensed under the Creative Commons Attribution-Share Alike 3.0 license. You are free to share and remix the work, and to use it for commercial purposes under the following conditions:

  • Attribution — You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
  • Share Alike — If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

Any of these conditions can be waived if you get permission from the copyright holder.

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