[test] Improve websocket tests to inspect outgoing and incoming HTTP headers...

[test] Improve websocket tests to inspect outgoing and incoming HTTP headers to test origin mismatch bugs

test/web-socket-proxy-test.js

@@ -64,7 +64,14 @@ vows.describe('node-http-proxy/websocket').addBatch({
               //
               // Setup the web socket against our proxy
               //
-              var ws = new websocket.WebSocket('ws://localhost:8131/socket.io/websocket/', 'borf');
+              var ws = new websocket.WebSocket('ws://localhost:8131/socket.io/websocket/', 'borf', {
+                origin: 'localhost'
+              });
+              
+              ws.on('wsupgrade', function (req, res) {
+                require('eyes').inspect(req);
+                require('eyes').inspect(res.headers);
+              });
 
               ws.on('open', function () {
                 ws.send(utils.encode('from client'));
@@ -91,7 +98,15 @@ vows.describe('node-http-proxy/websocket').addBatch({
               //
               // Setup the web socket against our proxy
               //
-              var ws = new websocket.WebSocket('ws://localhost:8133/socket.io/websocket/', 'borf');
+              var ws = new websocket.WebSocket('ws://localhost:8133/socket.io/websocket/', 'borf', {
+                origin: 'localhost'
+              });
+              
+              ws.on('wsupgrade', function (req, res) {
+                require('eyes').inspect(req);
+                require('eyes').inspect(res.headers);
+              });
+
 
               ws.on('message', function (msg) {
                 msg = utils.decode(msg);

vendor/websocket.js

@@ -523,9 +523,15 @@ var WebSocket = function(url, proto, opts) {
         httpClient.on('upgrade', (function() {
             var data = undefined;
 
-            return function(req, s, head) {
+            return function(res, s, head) {
                 stream = s;
 
+                //
+                // Emit the `wsupgrade` event to inspect the raw
+                // arguments returned from the websocket request.
+                //
+                self.emit('wsupgrade', httpHeaders, res, s, head);
+                
                 stream.on('data', function(d) {
                     if (d.length <= 0) {
                         return;
@@ -614,7 +620,6 @@ var WebSocket = function(url, proto, opts) {
         });
 
         var httpReq = httpClient.request(httpPath, httpHeaders);
-
         httpReq.write(challenge, 'binary');
         httpReq.end();
     })();