chimpy/dist/lib/chromedriver.js

Develop acceptance tests & end-to-end tests with realtime feedback.

"use strict";

var chromedriver = require('chromedriver'),
    processHelper = require('./process-helper.js'),
    fs = require('fs'),
    log = require('./log');
/**
 * Chromedriver Constructor
 *
 * @param {Object} options
 * @api public
 */


function Chromedriver(options) {
  if (!options) {
    throw new Error('options is required');
  }

  if (!options.port) {
    throw new Error('options.port is required');
  }

  this.options = options;
  this.child = null;
}
/**
 * Start Chromedriver
 *
 * @param {Function} callback
 * @api public
 */


Chromedriver.prototype.start = function (callback) {
  var self = this;
  var port = self.options.port;

  if (this.child) {
    callback();
    return;
  }

  var chromedriverPath = chromedriver.path;

  if (fs.existsSync(chromedriverPath)) {
    this.child = processHelper.start({
      bin: chromedriverPath,
      prefix: 'chromedriver',
      args: ['--port=' + port, '--url-base=wd/hub'],
      waitForMessage: /Starting ChromeDriver/,
      errorMessage: /Error/
    }, callback);
  } else {
    callback('[chimp][chromedriver] Chromedriver executable not found.');
  }
};
/**
 * Stop Chromedriver
 *
 * @param {Function} callback
 * @api public
 */


Chromedriver.prototype.stop = function (callback) {
  var self = this;

  if (self.child) {
    log.debug('[chimp][chromedriver] stopping process');
    var options = {
      child: self.child,
      prefix: 'chromedriver'
    };
    processHelper.kill(options, function (err, res) {
      self.child = null;
      callback(err, res);
    });
  } else {
    log.debug('[chimp][chromedriver] no process to kill');
    callback(null);
  }
};
/**
 * Interrupt Chromedriver
 *
 * @param {Function} callback
 * @api public
 */


Chromedriver.prototype.interrupt = function (callback) {
  log.debug('[chimp][chromedriver] interrupt called');

  if (!this.options['watch'] || !!this.options['clean-chromedriver-server']) {
    this.stop(callback);
  } else {
    log.debug('[chimp][chromedriver] interrupt is not killing chromedriver because ' + 'clean-chromedriver-server not set');
    callback(null);
  }
};

module.exports = Chromedriver;