=== modified file 'dbusmock/mockobject.py'
--- dbusmock/mockobject.py	2013-07-29 19:25:23 +0000
+++ dbusmock/mockobject.py	2013-11-11 14:34:42 +0000
@@ -334,6 +357,9 @@
             fn = getattr(module, symbol)
             if '_dbus_interface' in dir(fn):
                 setattr(self.__class__, symbol, fn)
+                self.methods.setdefault(fn._dbus_interface, {})[str(symbol)] = (
+                    fn._dbus_in_signature, fn._dbus_out_signature, '', fn
+                )
 
         if parameters is None:
             parameters = {}