feat(sauce provider): allow for custom server addresses when running against SauceLabs.

Use `config.sauceSeleniumAddress` to connect to a custom URL for Sauce Labs.

Author: DylanLacey

docs/referenceConf.js

@@ -52,6 +52,11 @@ exports.config = {
   // The tests will be run remotely using Sauce Labs.
   sauceUser: null,
   sauceKey: null,
+  // Use sauceSeleniumAddress if you need to customize the URL Protractor
+  // uses to connect to sauce labs (for example, if you are tunneling selenium
+  // traffic through a sauce connect tunnel). Default is
+  // ondemand.saucelabs.com:80/wd/hub
+  sauceSeleniumAddress: null,
 
   // ---------------------------------------------------------------------------
   // ----- What tests to run ---------------------------------------------------

lib/driverProviders/sauce.js

@@ -27,7 +27,7 @@ SauceDriverProvider.prototype.updateJob = function(update) {
   var deferred = q.defer();
   var self = this;
   this.driver_.getSession().then(function(session) {
-    console.log('SauceLabs results avaiable at http://saucelabs.com/jobs/' +
+    console.log('SauceLabs results available at http://saucelabs.com/jobs/' +
         session.getId());
     self.sauceServer_.updateJob(session.getId(), update, function(err) {
       if (err) {
@@ -55,11 +55,15 @@ SauceDriverProvider.prototype.setupEnv = function() {
   });
   this.config_.capabilities.username = this.config_.sauceUser;
   this.config_.capabilities.accessKey = this.config_.sauceKey;
-  this.config_.seleniumAddress = 'http://' + this.config_.sauceUser + ':' +
-      this.config_.sauceKey + '@ondemand.saucelabs.com:80/wd/hub';
+  var auth = 'http://' + this.config_.sauceUser + ':' +
+    this.config_.sauceKey + '@';
+  this.config_.seleniumAddress = auth +
+      (this.config_.sauceSeleniumAddress ? this.config_.sauceSeleniumAddress :
+      'ondemand.saucelabs.com:80/wd/hub');
 
-  // Append filename to capabilities.name so that it's easier to identify tests
-  if (this.config_.capabilities.name && this.config_.capabilities.shardTestFiles) {
+  // Append filename to capabilities.name so that it's easier to identify tests.
+  if (this.config_.capabilities.name &&
+      this.config_.capabilities.shardTestFiles) {
     this.config_.capabilities.name += (
         ':' + this.config_.specs.toString().replace(/^.*[\\\/]/, ''));
   }