.karma.conf.js

// Karma configuration
// Generated on Mon May 02 2016 15:54:18 GMT-0400 (EDT)

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: ['mocha', 'chai', 'sinon-chai'],


    plugins: [
      require('karma-mocha'),
      require('karma-chai'),
      require('karma-sinon-chai'),
      require('karma-webpack'),
      require('karma-chrome-launcher'),
      require("karma-sourcemap-loader"),
    ],


    // Configure mocha
    client: {
      mocha: {
        // change Karma's debug.html to the mocha web reporter
        reporter: 'html',
        ui: 'bdd',
      },
    },


    // list of files / patterns to load in the browser
    files: [
      'tests/*.js{,x}',
      'tests/**/*.js{,x}',
    ],


    // list of files to exclude
    exclude: [
      'tests/webpack.config.js',
    ],


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


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


    // 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: ['Chrome'],


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

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