karma.conf.js

// Karma configuration
// Generated on Wed Apr 04 2018 09:24:36 GMT+1000 (AEST)

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: ['browserify', 'mocha'],

    plugins: [
      'karma-mocha',
      'karma-mocha-reporter',
      'karma-chrome-launcher',
      'karma-browserify'
    ],

    // list of files / patterns to load in the browser
    files: [
      './dist/*.vendor.bundle.js',
      './node_modules/angular-mocks/angular-mocks.js',
      './dist/*.app.bundle.js',
      './app/app/services/data-service.spec.js'
    ],

    // list of files / patterns to exclude
    exclude: [],

    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
      './app/app/services/data-service.spec.js': ['browserify']
      //   './dist/app.bundle.js': ['webpack'],
      //   './dist/vendor.bundle.js': ['webpack']
    },

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

    // 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_DEBUG,

    // enable / disable watching file and executing tests whenever any file changes
    autoWatch: false,

    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ['ChromeHeadless'],

    customLaunchers: {
      ChromeHeadless: {
        base: 'Chrome',
        debug: true,
        flags: [
          '--disable-web-security',
          '--headless',
          '--disable-gpu',
          '--remote-debugging-port=9222',
          '--no-sandbox'
        ]
      }
    },

    // 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: 1
  });
};