karma.conf.js

module.exports = function(config) {
  var webpackConfig = require('./webpack.config.js');
  webpackConfig.entry = {};

  var configuration = {

    // 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: [
      {pattern: 'api_v2_keys.json', included: false},
      {pattern: 'api_v3_client.json', included: false},
      'node_modules/karma-read-json/karma-read-json.js',
      'node_modules/es6-promise/dist/es6-promise.auto.js',
      'spec/*Spec.js',
      {pattern: 'spec/fixtures/*.json', watched: true, served: true, included: false}
    ],

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

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

    webpack: webpackConfig,

    webpackMiddleware: {
      noInfo: true
    },

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

    // 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'],

    browserNoActivityTimeout: 60000,

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

    // Concurrency level
    // how many browser should be started simultaneous
    concurrency: Infinity
  };

  if (process.env.TRAVIS) {
    configuration.browsers = ['PhantomJS'];
  }

  config.set(configuration);
};