Fix unit tests to work with ipv6 and newer node and should.js versions

Author: kewisch

lib/websocket.io.js

@@ -59,7 +59,7 @@ exports.listen = function (port, fn, options) {
     res.end('Not Implemented');
   });
 
-  server.listen(port, fn);
+  server.listen(port || 0, fn);
 
   // create ws server
   var ws = exports.attach(server, options);

support/server-common.js

@@ -45,7 +45,12 @@ listen = function (options, fn) {
  */
 
 client = function (addr, path) {
-  var cl = new Client('ws://' + addr.address + ':' + addr.port + (path || ''));
+  var address = addr.address;
+  if (addr.family == 'IPv6') {
+    address = '[' + address + ']';
+  }
+
+  var cl = new Client('ws://' + address + ':' + addr.port + (path || ''));
   cl.on('error', function (e) {
     throw e;
   });

test/websocket.io.js

@@ -3,6 +3,7 @@
  * Test dependencies.
  */
 
+var should = require('should');
 var ws = require('../lib/websocket.io')
   , http = require('http')
 
@@ -17,12 +18,12 @@ describe('websocket.io', function () {
   });
 
   it('must expose public constructors', function () {
-    ws.Socket.should.be.a('function');
-    ws.Server.should.be.a('function');
-    ws.protocols.drafts.should.be.a('function');
-    ws.protocols['7'].should.be.a('function');
-    ws.protocols['8'].should.be.a('function');
-    ws.protocols['13'].should.be.a('function');
+    ws.Socket.should.be.a.Function;
+    ws.Server.should.be.a.Function;
+    ws.protocols.drafts.should.be.a.Function;
+    ws.protocols['7'].should.be.a.Function;
+    ws.protocols['8'].should.be.a.Function;
+    ws.protocols['13'].should.be.a.Function;
   });
 
   it('must connect', function (done) {