Fix r2105 when connection is closed with pending "forgotten" entries.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2124 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/dispatcher.py

@@ -76,6 +76,8 @@ class Dispatcher:
         notified_set = set()
         queue_dict = self.queue_dict
         for queue in message_table.itervalues():
+            if queue is NOBODY:
+                continue
             queue_id = id(queue)
             if queue_id not in notified_set:
                 queue.put((conn, None))

neo/tests/testDispatcher.py

@@ -123,6 +123,15 @@ class DispatcherTests(unittest.TestCase):
         # ...but must not have reached the queue
         self.assertTrue(queue.empty())
 
+        # Register an expectation
+        self.dispatcher.register(conn, 1, queue)
+        # ...and forget about it
+        self.dispatcher.forget(conn, 1)
+        # No exception must happen if connection is lost.
+        self.dispatcher.unregister(conn)
+        # Forgotten message's queue must not have received a "None"
+        self.assertTrue(queue.empty())
+
 if __name__ == '__main__':
     unittest.main()