karma.conf.js

var path = require('path');

module.exports = function(config) {
  var testWebpackConfig = require('./webpack.test.config.js');

  config.set({

    basePath: '',

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

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

    // list of files / patterns to load in the browser
    // we are building the test environment in ./spec-bundle.js
    files: [{
        pattern: 'spec-bundle.js',
        watched: false
    }],

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

    // webpack config at ./webpack.test.config.js
    webpack: testWebpackConfig,

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

    // webpack please don't spam the console when running in karma!
    webpackServer: {
        noInfo: true
    },

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

    // 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: false,

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

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

  });

};