Submit registration form as xform or legacy

Support to send the registration form as legacy or xform, we
use the same variable form_type that was already being used when
calling render
Added submission tests

converse.js

@@ -5060,11 +5060,19 @@
                 var $inputs = $(ev.target).find(':input:not([type=button]):not([type=submit])'),
                     iq = $iq({type: "set"})
                         .c("query", {xmlns:Strophe.NS.REGISTER})
-                        .c("x", {xmlns: Strophe.NS.XFORM, type: 'submit'});
 
+                if (this.form_type == 'xform') {
+                    iq.c("x", {xmlns: Strophe.NS.XFORM, type: 'submit'});
                     $inputs.each(function () {
                         iq.cnode(utils.webForm2xForm(this)).up();
                     });
+                } else {
+                    $inputs.each(function () {
+                        var $input = $(this);
+                        iq.c($input.attr('name'), {}, $input.val());
+                    });
+                }
+
                 converse.connection._addSysHandler(this._onRegisterIQ.bind(this), null, "iq", null, null);
                 converse.connection.send(iq);
                 this.setFields(iq.tree());

spec/register.js

@@ -160,7 +160,7 @@
             expect(registerview.$('input[type=button]').length).toBe(1);
         }, converse));
 
-        it("will set form_type to legacy", $.proxy(function () {
+        it("will set form_type to legacy and submit it as legacy", $.proxy(function () {
             var cbview = this.chatboxviews.get('controlbox');
             cbview.$('#controlbox-tabs').find('li').last().find('a').click(); // Click the Register tab
             var registerview = this.chatboxviews.get('controlbox').registerpanel;
@@ -192,9 +192,22 @@
                     .c('email');
             this.connection._dataRecv(test_utils.createRequest(stanza));
             expect(registerview.form_type).toBe('legacy');
+
+            registerview.$('input[name=username]').val('testusername');
+            registerview.$('input[name=password]').val('testpassword');
+            registerview.$('input[name=email]').val('test@email.local');
+
+            spyOn(converse.connection, 'send');
+
+            registerview.$('input[type=submit]').click();
+
+            expect(converse.connection.send).toHaveBeenCalled();
+            var $stanza = $(converse.connection.send.argsForCall[0][0].tree());
+            expect($stanza.children('query').children().length).toBe(3);
+            expect($stanza.children('query').children()[0].tagName).toBe('username');
         }, converse));
 
-        it("will set form_type to xform", $.proxy(function () {
+        it("will set form_type to xform and submit it as xform", $.proxy(function () {
             var cbview = this.chatboxviews.get('controlbox');
             cbview.$('#controlbox-tabs').find('li').last().find('a').click(); // Click the Register tab
             var registerview = this.chatboxviews.get('controlbox').registerpanel;
@@ -228,6 +241,20 @@
                         .c('field', {'type': 'text-single', 'var': 'email'}).c('required').up().up()
             this.connection._dataRecv(test_utils.createRequest(stanza));
             expect(registerview.form_type).toBe('xform');
+
+            registerview.$('input[name=username]').val('testusername');
+            registerview.$('input[name=password]').val('testpassword');
+            registerview.$('input[name=email]').val('test@email.local');
+
+            spyOn(converse.connection, 'send');
+
+            registerview.$('input[type=submit]').click();
+
+            expect(converse.connection.send).toHaveBeenCalled();
+            var $stanza = $(converse.connection.send.argsForCall[0][0].tree());
+            expect($stanza.children('query').children().length).toBe(1);
+            expect($stanza.children('query').children().children().length).toBe(3);
+            expect($stanza.children('query').children().children()[0].tagName).toBe('field');
         }, converse));
 
     }, converse, mock, test_utils));