karma.conf.js

'use strict'

const path = require('path')
const IS_DEV = (process.env.NODE_ENV === 'dev')
const webpackConfig = require('./webpack.config')

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/should/should.js',
      'dist/global.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 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
    // - Chrome
    // - ChromeCanary
    // - Firefox
    // - Opera
    // - Safari (only Mac)
    // - PhantomJS
    // - IE (only Windows)
    browsers: ['PhantomJS'],

    // Which plugins to enable
    plugins: [
      'karma-chrome-launcher',
      'karma-phantomjs-launcher',
      'karma-mocha'
    ],

    // 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
  })

  // configs for development
  if (!IS_DEV) return
  config.set({
    files: [
      'node_modules/should/should.js',
      'src/index.ts',
      'test/**/*_spec.js'
    ],
    plugins: [
      'karma-chrome-launcher',
      'karma-phantomjs-launcher',
      'karma-mocha',
      'karma-webpack',
      path.resolve(__dirname, './tools/karma.wrapper.js')
    ],
    browsers: ['PhantomJS', 'Chrome'],
    singleRun: false,
    preprocessors: {
      'src/**/*.ts': ['webpack', 'wrapper']
    },
    webpack: webpackConfig
  })
}