karma-sw.conf.js

// Karma configuration for working with sw-mocha in a setup with Mocha, Chai and Sinon.

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: ['sw-mocha', 'sinon', 'chai'],


    // list of files / patterns to load in the browser
    files: [
      { pattern: 'test/service-worker/*.js', included: false },
      { pattern: 'testing/*.js', included: false },
    ],


    // 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
    browsers: ['Chrome', 'NightlySW'],

    customLaunchers: {
      'NightlySW': {
        base: 'FirefoxNightly',
        prefs: {
          'devtools.serviceWorkers.testing.enabled': true,
          'dom.serviceWorkers.enabled': true
        }
      },
      'Chrome': {
        base: 'Chrome',
        flags: ['--no-sandbox'],
      },
    },


    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: true
  });
};