karma.conf.js

// Karma configuration
// Generated on Sat Apr 30 2016 13:33:59 GMT-0700 (PDT)

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: [
      'node_modules/babel-polyfill/dist/polyfill.min.js',
      'test/**/*_spec.js'
    ],


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


    webpack: {
      externals: {
        "react/lib/ExecutionEnvironment": true,
        "react/lib/ReactContext": true,
        "react/addons": true
      },
      resolve: {
        extensions: ['', '.js', '.jsx'],
      },
      module: {
        loaders: [{
          test: /\.(js|jsx)$/, exclude: /(bower_components|node_modules)/,
          loader: 'babel-loader'
        }, {
          test: /\.scss$/,
          include: /example\/css/,
          loaders: ['style', 'css', 'sass'],
        }, {
          test: /\.json$/,
          loader: 'json',
        }]
      }
    },


    // 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'],


    // 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
  })
}