4 files changed, 95 insertions, 3 deletions

diff --git a/src/mailman/interfaces/listmanager.py b/src/mailman/interfaces/listmanager.py
index 1efb4342f..3038be02b 100644
--- a/src/mailman/interfaces/listmanager.py
+++ b/src/mailman/interfaces/listmanager.py
@@ -23,6 +23,8 @@ __metaclass__ = type
 __all__ = [
     'IListManager',
     'ListAlreadyExistsError',
+    'ListCreatedEvent',
+    'ListDeletedEvent',
     'NoSuchListError',
     ]
 
@@ -51,6 +53,20 @@ class NoSuchListError(MailmanError):
         return 'No such mailing list: {0.fqdn_listname}'.format(self)
 
 
+class ListCreatedEvent:
+    """A mailing list was created."""
+
+    def __init__(self, mlist):
+        self.mailing_list = mlist
+
+
+class ListDeletedEvent:
+    """A mailing list was deleted."""
+
+    def __init__(self, fqdn_listname):
+        self.fqdn_listname = fqdn_listname
+
+
 
 
 class IListManager(Interface):
diff --git a/src/mailman/model/listmanager.py b/src/mailman/model/listmanager.py
index a7f302883..8c3fc9421 100644
--- a/src/mailman/model/listmanager.py
+++ b/src/mailman/model/listmanager.py
@@ -27,11 +27,13 @@ __all__ = [
 
 import datetime
 
+from zope.event import notify
 from zope.interface import implements
 
 from mailman.config import config
 from mailman.interfaces.address import InvalidEmailAddressError
-from mailman.interfaces.listmanager import IListManager, ListAlreadyExistsError
+from mailman.interfaces.listmanager import (
+    IListManager, ListAlreadyExistsError, ListCreatedEvent, ListDeletedEvent)
 from mailman.model.mailinglist import MailingList
 
 
@@ -55,6 +57,7 @@ class ListManager:
         mlist = MailingList(fqdn_listname)
         mlist.created_at = datetime.datetime.now()
         config.db.store.add(mlist)
+        notify(ListCreatedEvent(mlist))
         return mlist
 
     def get(self, fqdn_listname):
@@ -70,7 +73,9 @@ class ListManager:
 
     def delete(self, mlist):
         """See `IListManager`."""
+        fqdn_listname = mlist.fqdn_listname
         config.db.store.remove(mlist)
+        notify(ListDeletedEvent(fqdn_listname))
 
     @property
     def mailing_lists(self):
diff --git a/src/mailman/model/tests/test_listmanager.py b/src/mailman/model/tests/test_listmanager.py
new file mode 100644
index 000000000..f7caccdb0
--- /dev/null
+++ b/src/mailman/model/tests/test_listmanager.py
@@ -0,0 +1,71 @@
+# Copyright (C) 2011 by the Free Software Foundation, Inc.
+#
+# This file is part of GNU Mailman.
+#
+# GNU Mailman is free software: you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option)
+# any later version.
+#
+# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Test the ListManager."""
+
+from __future__ import absolute_import, unicode_literals
+
+__metaclass__ = type
+__all__ = [
+    'test_suite',
+    ]
+
+
+import unittest
+
+from zope.component import getUtility
+
+from mailman.app.lifecycle import create_list
+from mailman.interfaces.listmanager import (
+    IListManager, ListCreatedEvent, ListDeletedEvent)
+from mailman.testing.helpers import event_subscribers
+from mailman.testing.layers import ConfigLayer
+
+
+
+class TestListManager(unittest.TestCase):
+    layer = ConfigLayer
+
+    def setUp(self):
+        self._event = None
+
+    def _record_event(self, event):
+        self._event = event
+
+    def test_create_list_event(self):
+        # Test that creating a list in the list manager propagates the
+        # expected event.
+        with event_subscribers(self._record_event):
+            mlist = getUtility(IListManager).create('test@example.com')
+        self.assertTrue(isinstance(self._event, ListCreatedEvent))
+        self.assertEqual(self._event.mailing_list, mlist)
+
+    def test_delete_list_event(self):
+        # Test that deleting a list in the list manager propagates the
+        # expected event.
+        mlist = create_list('another@example.com')
+        with event_subscribers(self._record_event):
+            getUtility(IListManager).delete(mlist)
+        self.assertTrue(isinstance(self._event, ListDeletedEvent))
+        self.assertEqual(self._event.fqdn_listname, 'another@example.com')
+
+
+
+def test_suite():
+    suite = unittest.TestSuite()
+    suite.addTest(unittest.makeSuite(TestListManager))
+    return suite
diff --git a/src/mailman/model/tests/test_user.py b/src/mailman/model/tests/test_user.py
index 072b2f7be..4112572bd 100644
--- a/src/mailman/model/tests/test_user.py
+++ b/src/mailman/model/tests/test_user.py
@@ -27,13 +27,13 @@ __all__ = [
 
 import unittest
 
+from zope.component import getUtility
+
 from mailman.app.lifecycle import create_list
 from mailman.interfaces.usermanager import IUserManager
 from mailman.testing.layers import ConfigLayer
 from mailman.utilities.datetime import now
 
-from zope.component import getUtility
-
 
 
 class TestUser(unittest.TestCase):