[Checkins] SVN: Zope3/branches/jim-adapter/src/zope/component/ Fixed a bug in persistently handling subscribers.

[Jim Fulton]

Log message for revision 67572:
  Fixed a bug in persistently handling subscribers.
  

Changed:
  U   Zope3/branches/jim-adapter/src/zope/component/registry.py
  U   Zope3/branches/jim-adapter/src/zope/component/tests.py

-=-
Modified: Zope3/branches/jim-adapter/src/zope/component/registry.py
===================================================================
--- Zope3/branches/jim-adapter/src/zope/component/registry.py	2006-04-24 16:33:21 UTC (rev 67571)
+++ Zope3/branches/jim-adapter/src/zope/component/registry.py	2006-04-24 17:35:03 UTC (rev 67572)
@@ -273,7 +273,7 @@
             return False
         
 
-        self._subscription_registrations = new
+        self._subscription_registrations[:] = new
         self.adapters.unsubscribe(required, provided)
         
         zope.event.notify(interfaces.Unregistered(
@@ -330,7 +330,7 @@
         if len(new) == len(self._handler_registrations):
             return False
         
-        self._handler_registrations = new
+        self._handler_registrations[:] = new
         self.adapters.unsubscribe(required, None)
         
         zope.event.notify(interfaces.Unregistered(

Modified: Zope3/branches/jim-adapter/src/zope/component/tests.py
===================================================================
--- Zope3/branches/jim-adapter/src/zope/component/tests.py	2006-04-24 16:33:21 UTC (rev 67571)
+++ Zope3/branches/jim-adapter/src/zope/component/tests.py	2006-04-24 17:35:03 UTC (rev 67572)
@@ -792,6 +792,41 @@
     >>> db.close()
     """
 
+def persistent_registry_doesnt_scew_up_subsribers():
+    """
+    >>> import ZODB.tests.util
+    >>> db = ZODB.tests.util.DB()
+    >>> import transaction
+    >>> t1 = transaction.TransactionManager()
+    >>> c1 = db.open(transaction_manager=t1)
+    >>> r1 = c1.root()
+    >>> t2 = transaction.TransactionManager()
+    >>> c2 = db.open(transaction_manager=t2)
+    >>> r2 = c2.root()
+
+    >>> from zope.component.persistentregistry import PersistentComponents
+
+    >>> _ = t1.begin()
+    >>> r1[1] = PersistentComponents('1')
+    >>> r1[1].registerHandler(handle1)
+    >>> r1[1].registerSubscriptionAdapter(handle1, provided=I2)
+    >>> _ = r1[1].unregisterHandler(handle1)
+    >>> _ = r1[1].unregisterSubscriptionAdapter(handle1, provided=I2)
+    >>> t1.commit()
+    >>> _ = t1.begin()
+    >>> r1[1].registerHandler(handle1)
+    >>> r1[1].registerSubscriptionAdapter(handle1, provided=I2)
+    >>> t1.commit()
+
+    >>> _ = t2.begin()
+    >>> len(list(r2[1].registeredHandlers()))
+    1
+    >>> len(list(r2[1].registeredSubscriptionAdapters()))
+    1
+    >>> t2.abort()
+
+    """
+
 def tearDownRegistryTests(tests):
     import zope.event
     zope.event.subscribers.pop()