karma.conf.js

const externals = require('./externals.conf.js');

module.exports = function(config) {
  const files = [
    'node_modules/sinon/pkg/sinon.js',
    'node_modules/react/dist/react-with-addons.min.js',
    'node_modules/react-dom/dist/react-dom.min.js',
    'node_modules/hammerjs/hammer.min.js',
    'node_modules/syn/dist/global/syn.js',
    'browser/noflo-ui.min.js',
    'spec/utils/*.js',
    'spec/*.js',
    'spec/browser/*.js',
    {
      pattern: 'spec/mockruntime.html',
      included: false,
      served: true,
      watched: true,
    },
    {
      pattern: 'index.html',
      included: false,
      served: true,
      watched: true,
    },
  ];
  const serveExternals = externals.slice(0);
  serveExternals.push('themes/*.css');
  serveExternals.push('css/*.css');
  serveExternals.forEach((pattern) => {
    if (files.indexOf(pattern) !== -1) {
      return;
    }
    files.push({
      pattern,
      included: false,
      served: true,
      watched: false,
    });
  });

  const configuration = {
    basePath: '',
    frameworks: ['mocha', 'chai'],
    files,
    exclude: [],
    preprocessors: {},
    reporters: ['mocha'],
    port: 9876,
    colors: true,
    // 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: false,
    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ['ChromeHeadless'],
    //browsers: [],
    // 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
  };

  // If we're on Travis we also try to test with real browsers
  if (process.env.TRAVIS) {

    // The browsers we want to test
    configuration.customLaunchers = {
      sl_safari: {
        base: 'SauceLabs',
        browserName: 'safari',
        version: '11',
      },
      sl_chrome: {
        base: 'SauceLabs',
        browserName: 'googlechrome',
      },
    };
    configuration.browsers = Object.keys(configuration.customLaunchers);

    // Sauce labs settings
    configuration.sauceLabs = {
      // Needs to be false since Travis sets up the connection for us
      startConnect: false,
      tunnelIdentifier: process.env.TRAVIS_JOB_NUMBER,
      username: process.env.SAUCE_USERNAME,
      accessKey: process.env.SAUCE_ACCESS_KEY,
      testName: 'NoFlo UI browser tests',
      build: `Travis ${process.env.TRAVIS_BUILD_NUMBER} (${process.env.TRAVIS_BUILD_ID})`,
      recordScreenshots: false,
      public: 'public',
    };

    configuration.captureTimeout = 0;
    configuration.browserDisconnectTimeout = 180000;
    configuration.browserDisconnectTolerance = 1;
    configuration.browserNoActivityTimeout = 180000;

  }

  config.set(configuration);
}