use runner behind proxy

Author: rahulnwn

README.md

@@ -142,7 +142,7 @@ Add the following in `browserstack.json`
 ```json
 ...
 "proxy": {
-    "host": "localhost",
+    "hostname": "localhost",
     "port": 3128,
     "username": "foo",
     "password": "bar"

bin/cli.js

@@ -14,13 +14,16 @@ var Log = require('../lib/logger'),
     utils = require('../lib/utils'),
     Server = require('../lib/server').Server,
     Tunnel = require('../lib/local').Tunnel,
+    tunnel = require('tunnel'),
+    http = require('http'),
     ConfigParser = require('../lib/configParser').ConfigParser,
     serverPort = 8888,
     timeout,
     activityTimeout,
     workers = {},
     workerKeys = {},
     logLevel,
+    tunnelingAgent,
     tunnel;
 
 function cleanUp(signal) {
@@ -214,6 +217,17 @@ var statusPoller = {
 };
 
 function runTests() {
+  if (config.proxy) {
+    console.log(config.proxy);
+    tunnelingAgent = tunnel.httpOverHttp({
+      proxy: config.proxy;
+    });
+    var oldhttpreq = http.request;
+    http.request = function (options, callback) {
+      options.agent = tunnelingAgent;
+      return oldhttpreq.call(null, options, callback);
+    };
+  }
   if (config.browsers && config.browsers.length > 0) {
     ConfigParser.parse(client, config.browsers, function(browsers){
       launchServer();

package.json

@@ -9,7 +9,8 @@
   },
   "dependencies": {
     "browserstack": "1.0.1",
-    "chalk": "0.4.0"
+    "chalk": "0.4.0",
+    "tunnel": "0.0.3"
   },
   "licenses": [
     {