karma.conf.js

const webpackConf = require('./webpack.config.js')
const merge = require('webpack-merge')

module.exports = function (config) {
  config.set({
    browsers: [ 'ChromeHeadless' ], //run in Chrome
    browserNoActivityTimeout: 60000,
    frameworks: [ 'mocha', 'sinon-chai' ], //use the mocha test framework
    files: [
      //'src/**/*.{jsx,js}',
      'sitemedia/js/index.js',
      'mbgc/**/tests/js/*.spec.js'
    ],
    preprocessors: {
      'sitemedia/js/index.js': ['webpack'],
      'mbgc/**/tests/js/*.spec.js': ['webpack']

    },
    reporters: [ 'mocha', 'coverage-istanbul' ], //report results in this format
    mochaReporter: {
      output: 'autowatch'
    },
    coverageIstanbulReporter: {
      reports: ['html', 'text'],
      fixWebpackSourcePaths: true,
      skipFilesWithNoCoverage: true
    },
    webpack: merge.smart(webpackConf, {}),
    webpackServer: {
      noInfo: true //please don't spam the console when running in karma!
    }
  });
};