karma.conf.js

// This is a karma config file. For more details see
//   http://karma-runner.github.io/0.13/config/configuration-file.html
// we are also using it with karma-webpack
//   https://github.com/webpack/karma-webpack

var webpackConfig = require('./cooking.conf.js');
var webpack = require('webpack');
var merge = require('webpack-merge');
var path = require('path');
var projectRoot = path.resolve(__dirname, '../');

// no need for app entry and plugin during tests
delete webpackConfig.entry;
delete webpackConfig.plugins;

webpackConfig = merge(webpackConfig, {
  devtool: '#inline-source-map',
  plugins: [
    new webpack.DefinePlugin({
      'process.env': JSON.stringify('testing')
    })
  ]
});

module.exports = function (config) {
  config.set({
    // to run in additional browsers:
    // 1. install corresponding karma launcher
    //    http://karma-runner.github.io/0.13/config/browsers.html
    // 2. add it to the `browsers` array below.
    browsers: ['Chrome'/* ,'PhantomJS'*/],
    frameworks: ['mocha', 'sinon-chai'],
    reporters: ['spec', 'coverage'],
    files: ['./test/index.js'],
    preprocessors: {
      './test/index.js': ['webpack', 'sourcemap']
    },
    webpack: webpackConfig,
    webpackMiddleware: {
      noInfo: true
    },
    coverageReporter: {
      dir: './coverage',
      reporters: [
        { type: 'lcov', subdir: '.' },
        { type: 'text-summary' }
      ]
    }
  });
};