fixed provider url generation

lib/torque/provider.json.js

@@ -127,7 +127,11 @@
     },
 
     url: function() {
-      return this.options.url || 'http://' + this.options.user + '.cartodb.com/api/v2/sql';
+      var opts = this.options;
+      var port = opts.sql_api_port;
+      var domain = (opts.sql_api_domain || (this.options.user + '.cartodb.com')) + (port ? ':' + port: '');
+      var protocol = opts.sql_api_protocol || 'http';
+      return this.options.url || protocol + '://' + domain + '/api/v2/sql';
     },
 
     // execute actual query

test/provider.json.js

@@ -0,0 +1,14 @@
+
+module('provider.json');
+
+  test("url", function() {
+    var json = new torque.providers.json({
+      user: "rambo",
+      resolution: 1,
+      steps: 10
+    });
+    equal("http://rambo.cartodb.com/api/v2/sql", json.url());
+  });
+
+
+

test/provider.jsonarray.js

@@ -1,4 +1,6 @@
 
+module('provider.jsonarray');
+
 test("processTile", function() {
   var json = new torque.providers.JsonArray({
     url: "http://test.com/{z}/{x}/{y}.json"

test/suite.html

@@ -10,9 +10,13 @@
   <div id="qunit-fixture"></div>
   <script src="vendor/qunit.js"></script>
 
+  <script src="../lib/torque/core.js"></script>
+  <script src="../lib/torque/request.js"></script>
   <script src="../lib/torque/provider.jsonarray.js"></script>
+  <script src="../lib/torque/provider.json.js"></script>
 
   <script src="data/torque.array.json"></script>
   <script src="provider.jsonarray.js"></script>
+  <script src="provider.json.js"></script>
 </body>
 </html>