nightwatch test runner script

nightwatch

#!/usr/bin/env node

// -------------------
// nightwatchjs script running
//   - automatically downloads the selenium jar if missing
//   - automatically passes through all arguments to the runner.js
// -------------------

var fs = require('fs');
var path = 'Vendor/selenium-server-standalone-2.44.0.jar';

if (!fs.existsSync(path)) {
  console.log('Selenium JAR File Not Found: ' + path);

  var http = require('http');

  var download = function(url, dest, cb) {
    var file = fs.createWriteStream(dest);
    var request = http.get(url, function(response) {
      response.pipe(file);
      file.on('finish', function() {
        file.close(cb);
      });
    });
  }

  // download the file
  download(
    'http://selenium-release.storage.googleapis.com/2.44/selenium-server-standalone-2.44.0.jar',
    path,
    function() {
      console.log("Download complete");
      // runner for nightwatch
      require('nightwatch/bin/runner.js');
    }
  );

} else {

  // runner for nightwatch
  require('nightwatch/bin/runner.js');

}