karma.conf.js

/* global process */
// Karma configuration

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: ['jasmine'],

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

    webpack: {
      module: {
        loaders: [
          {
            test: /\.jsx?$/,
            loaders: ['babel-loader?cacheDirectory=true'],
            exclude: /node_modules/
          }
        ]
      }
    },

    webpackMiddleware: {
      noInfo: true
    },

    // 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: process.env.CONTINUOUS_INTEGRATION === 'true' ?
      ['Firefox'] : ['Chrome'],

    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: process.env.CONTINUOUS_INTEGRATION === 'true'
  });
};