karma.conf.js

// Karma configuration
// Generated on Sat May 23 2015 16:11:32 GMT+0200 (CEST)
var webpackConfig = require('./webpack.dev.config');

// Remove CommonsChunkPlugin because it's incompatible with karma
var commonsChunkPluginIndex = webpackConfig.plugins.findIndex(plugin => plugin.chunkNames);
webpackConfig.plugins.splice(commonsChunkPluginIndex, 1);

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-spies', 'chai'
    ],

    // list of files / patterns to load in the browser
    files: [
      // The app
      'src/app.js',
      // The tests
      'node_modules/angular-mocks/angular-mocks.js',
      'tests/**/*.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: {
      'src/app.js': ['webpack'],
      'tests/**/*.spec.js': ['babel']
    },

    babelPreprocessor: {
      options: {
        presets: [
          ['env', {
            'targets': {
              'browsers': ['last 2 versions']
            }
          }]
        ]
      }
    },

    webpack: webpackConfig,

    webpackMiddleware: {
      // webpack-dev-middleware configuration
      // i. e.
      stats: 'errors-only'
    },

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

    specReporter: {
      maxLogLines: 5, // limit number of lines logged per test
      suppressErrorSummary: true, // do not print error summary
      suppressFailed: false, // do not print information about failed tests
      suppressPassed: false, // do not print information about passed tests
      suppressSkipped: false, // do not print information about skipped tests
      showSpecTiming: false // print the time elapsed for each spec
    },

    // 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
  });
};