karma.conf.js

/** Reference: http://karma-runner.github.io/0.12/config/configuration-file.html */
module.exports = function karmaConfig (config) {
  config.set({
    logLevel: config.LOG_INFO,  /** Log our errors */

    client: {
      captureConsole: true
    },

    frameworks: [

      /**
      * Reference: https://github.com/karma-runner/karma-jasmine
      * Set framework to jasmine
      */
      'jasmine'
    ],

    reporters: [

      /**
       * Reference: https://github.com/mlex/karma-spec-reporter
       * Set reporter to print detailed results to console
       */
      'progress',

      /**
       * Reference: https://github.com/karma-runner/karma-coverage
       * Output code coverage files
       */
      'coverage'
    ],

    files: [
      /** Grab all files in the app folder that contain .spec. */
      './src/specs.webpack.js'
      /** each file acts as entry point for the webpack configuration */
    ],

    preprocessors: {

      /**
       * Reference: http://webpack.github.io/docs/testing.html
       * Reference: https://github.com/webpack/karma-webpack
       * Convert files with webpack and load sourcemaps
       */
      './src/specs.webpack.js': ['webpack', 'sourcemap']
    },

    browsers: [
      /** Run tests using PhantomJS2 */
      'PhantomJS2'
    ],

    singleRun: true,

    /** Configure code coverage reporter */
    coverageReporter: {
      dir: 'coverage/',
      reporters: [
        {type: 'text-summary'},
        {type: 'html'}
      ]
    },

    webpack: require('./webpack.config'),

    /** Hide webpack build information from output */
    webpackMiddleware: {
      noInfo: 'errors-only'
    }
  });
};