Bugfix on StreamDataEventSource when URL contains a port number

fix unit tests

Author: fzanaroli

src/StreamdataEventSource.js

@@ -118,7 +118,9 @@ function StreamdataEventSource(url, appToken, headers, authStrategy) {
         var endIndex = url.indexOf(parser.hostname);
         var userInfo = url.substring(parser.protocol.length + 2, endIndex);
 
-        var urlToEncode = parser.protocol + '//' + userInfo + parser.hostname + ((parser.port === "") ? '' : ':' + parser.port) + ((parser.pathname.indexOf('/') == 0) ? '' : '/') + parser.pathname + parser.search;
+        //var urlToEncode = parser.protocol + '//' + userInfo + parser.hostname + ((parser.port === "") ? '' : ':' + parser.port) + ((parser.pathname.indexOf('/') == 0) ? '' : '/') + parser.pathname + parser.search;
+        var urlToEncode = parser.protocol + '//' + userInfo + parser.hostname + ((parser.port != '0' && parser.port != '' && parser.port != '80' && parser.port != '443'  ) ? ':' + parser.port : '') + ((parser.pathname.indexOf('/') == 0) ? '' : '/') + parser.pathname + parser.search;
+
         var signedUrl = authStrategy === null ? urlToEncode : authStrategy['signUrl'](urlToEncode);
 
         var streamDataQueryParams = self._buildStreamDataQueryParams(headers);

test/spec/streamdataEventSourceSpec.js

@@ -61,7 +61,7 @@ describe('StreamdataEventSource.', function () {
     it('should decorate a url with port', function () {
       //GIVEN
       var e = new StreamdataEventSource("http://www.toto.com:3009/api?q=knicks&start=1&length=10&l=en&src=news&f=json&key=gbnEDrs@SAjQd6OVhqY_",  "someRandomExtraLongDummyToken");
-      var expectedConvertedUrl = "https://streamdata.motwin.net/http://www.toto.com/api?q=knicks&start=1&length=10&l=en&src=news&f=json&key=gbnEDrs@SAjQd6OVhqY_&X-Sd-Token=someRandomExtraLongDummyToken";
+      var expectedConvertedUrl = "https://streamdata.motwin.net/http://www.toto.com:3009/api?q=knicks&start=1&length=10&l=en&src=news&f=json&key=gbnEDrs@SAjQd6OVhqY_&X-Sd-Token=someRandomExtraLongDummyToken";
 
       var convertedUrl = e._decorate(e._url);