karma.conf.js

// Karma configuration
// Generated on Thu Aug 25 2016 16:14:16 GMT+0800 (CST)

var webpack = require('webpack');


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'],


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

    plugins: [
      'karma-mocha',
      'karma-chai',
      'karma-mocha-reporter',
      'karma-phantomjs-launcher',
      'karma-chrome-launcher',
      // 'karma-ie-launcher',
      'karma-firefox-launcher',
      'karma-commonjs',
      'karma-babel-preprocessor',
      'karma-webpack'
    ],


    // 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: {
      'test/*.test.js': ['webpack'],
    },

    babelPreprocessor: {
      options: {
        presets: ['es2015', 'stage-0'],
        sourceMap: 'inline'
      }
    },


    // 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: false,


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

    customLaunchers: {
      FirefoxAlternateDisable: {
        base: 'Firefox',
        prefs: {
          'browser.fixup.alternate.enabled': false
        }
      },
      Chrome_travis_ci: {
        base: 'Chrome',
        flags: ['--no-sandbox']
      }
    },

    webpack: {
      module: {
        loaders: [{
          test: /\.js$/,
          exclude: /node_modules/,
          loader: 'babel'
        }]
      },
      plugins: [
        new webpack.DefinePlugin({
          'process.env.NODE_ENV': JSON.stringify('test')
        })
      ]
    },

    // 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) {
    config.browsers = ['Chrome_travis_ci'];
  }
}