1 files changed, 53 insertions, 0 deletions
diff --git a/src/mailman/config/tests/test_configuration.py b/src/mailman/config/tests/test_configuration.py
new file mode 100644
index 000000000..88e00cbb9
--- /dev/null
+++ b/src/mailman/config/tests/test_configuration.py
@@ -0,0 +1,53 @@
+# Copyright (C) 2012 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 system-wide global configuration."""
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+__metaclass__ = type
+__all__ = [
+    'TestConfiguration',
+    ]
+
+
+import unittest
+
+from mailman.interfaces.configuration import ConfigurationUpdatedEvent
+from mailman.testing.helpers import configuration, event_subscribers
+from mailman.testing.layers import ConfigLayer
+
+
+
+class TestConfiguration(unittest.TestCase):
+    layer = ConfigLayer
+
+    def test_push_and_pop_trigger_events(self):
+        # Pushing a new configuration onto the stack triggers a
+        # post-processing event.
+        events = []
+        def on_event(event):
+            if isinstance(event, ConfigurationUpdatedEvent):
+                # Record both the event and the top overlay.
+                events.append(event.config.overlays[0].name)
+        with event_subscribers(on_event):
+            with configuration('test', _configname='my test'):
+                pass
+        # There should be two pushed configuration names on the list now, one
+        # for the push leaving 'my test' on the top of the stack, and one for
+        # the pop, leaving the ConfigLayer's 'test config' on top.
+        self.assertEqual(events, ['my test', 'test config'])