Fix requesting pubsub node configuration, and add tests.

- <default /> doesn't have a type attribute in the XEP
- <configure /> isn't used anymore for requesting default configuration

sleekxmpp/plugins/xep_0060/pubsub.py

@@ -206,11 +206,7 @@ class xep_0060(base_plugin):
                         be executed when a reply stanza is received.
         """
         iq = self.xmpp.Iq(sto=jid, sfrom=ifrom, stype='get')
-
-        if node is None:
-            iq['pubsub_owner']['default']
-        else:
-            iq['pubsub_owner']['configure']['node'] = node
+        iq['pubsub_owner']['default']['node'] = node
         return iq.send(block=block, callback=callback, timeout=timeout)
 
     def get_node_subscriptions(self, jid, node, ifrom=None, block=True,

sleekxmpp/plugins/xep_0060/stanza/pubsub_owner.py

@@ -22,18 +22,13 @@ class DefaultConfig(ElementBase):
     namespace = 'http://jabber.org/protocol/pubsub#owner'
     name = 'default'
     plugin_attrib = 'default'
-    interfaces = set(('node', 'type', 'config'))
+    interfaces = set(('node', 'config'))
     plugin_attrib_map = {}
     plugin_tag_map = {}
 
     def __init__(self, *args, **kwargs):
         ElementBase.__init__(self, *args, **kwargs)
 
-    def getType(self):
-        t = self._getAttr('type')
-        if not t: t = 'leaf'
-        return t
-
     def getConfig(self):
         return self['form']
 
@@ -71,7 +66,7 @@ class OwnerConfigure(Configure):
     interfaces = set(('node', 'config'))
     plugin_attrib_map = {}
     plugin_tag_map = {}
-    
+
     def getConfig(self):
         return self['form']