Learn Karma and Particle

Karma is essentially a tool which spawns a web server that executes source code against test code for each of the browsers connected.

karma

There are several steps involved with setting up [`Karma`](http://karma-runner.github.io/) to work on your webpack project. In this first step we'll initialize our karma configuration and setup our `package.json` `scripts`.

Initialize a Webpack Project with Karma for Testing

Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.

chai

[Chai](https://npmjs.com/package/chai) assertions work great with the [Mocha](https://npmjs.com/package/mocha) testing framework. In this lesson we'll walk through out to install Chai and [karma-chai](https://npmjs.com/package/karma-chai) so you can use the `expect` assertions in your tests.

Use Chai assertions for tests in a Karma project

When writing tests run by Karma for an application that’s bundled with webpack, it’s easiest to integrate webpack and Karma directly together. In this lesson we’ll see how to utilize the [`karma-webpack`](https://npmjs.com/package/karma-webpack) plugin and reuse our existing webpack configuration to preprocess our test files with webpack.

Use Karma for Unit Testing with Webpack

A quick tutorial covering installing Karma and running tests from the command line and Webstorm.

Introduction to Karma

particle

Before powering up the Particle Photon we are going to look at what each of the components are on the board.

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Initialize a Webpack Project with Karma for Testing

Use Chai assertions for tests in a Karma project

Use Karma for Unit Testing with Webpack

Introduction to Karma

Particle Photon Component Overview