karma.conf.js

// Karma configuration
// Generated on Sun Sep 13 2015 21:58:59 GMT-0700 (PDT)

var path = require('path');

var webpackConfig = {
  module: {
    loaders: [
      {
        test: /\.(js|jsx)$/,
        loader: 'babel',
        include: [path.resolve('./src'), path.resolve('./test')],
      },
    ],
  },
};

module.exports = function(config) {
  config.set({
    // base path that will be used to resolve all patterns (eg. files, exclude)
    basePath: '',

    // frameworks to use
    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
    frameworks: ['jasmine'],

    // list of files / patterns to load in the browser
    files: ['test/index.js'],

    // list of files to exclude
    exclude: [],

    webpack: webpackConfig,
    webpackMiddleware: {
      noInfo: true,
    },

    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
      'test/index.js': ['webpack'], // run the test bundle through webpack plugin
    },

    plugins: [
      'karma-jasmine',
      'karma-phantomjs-launcher',
      'karma-firefox-launcher',
      require('karma-webpack'),
    ],

    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
    reporters: ['progress'],

    // web server port
    port: 9876,

    // enable / disable colors in the output (reporters and logs)
    colors: true,

    // level of logging
    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
    logLevel: config.LOG_INFO,

    // enable / disable watching file and executing tests whenever any file changes
    autoWatch: true,

    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ['PhantomJS', 'Firefox'],

    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: false,
  });
};