- Allow ``testing.registerEventListener`` to be used with Zope 3

    style "object events" (subscribers accept more than a single event
    argument).  We extend the list with the arguments, rather than
    append.

Prep for 0.4.7.

2 files changed, 21 insertions, 3 deletions

diff --git a/repoze/bfg/testing.py b/repoze/bfg/testing.py
index 26690c48d..a7fc12827 100644
--- a/repoze/bfg/testing.py
+++ b/repoze/bfg/testing.py
@@ -44,10 +44,11 @@ def registerEventListener(event_iface=Interface):
     matches ``event_iface``, that event will be appended to the list.
     You can then compare the values in the list to expected event
     notifications.  This method is useful when testing code that wants
-    to call ``zope.component.event.dispatch``."""
+    to call ``zope.component.event.dispatch`` or
+    ``zope.component.event.objectEventNotify``."""
     L = []
-    def subscriber(event):
-        L.append(event)
+    def subscriber(*event):
+        L.extend(event)
     registerSubscriber(subscriber, event_iface)
     return L
 
diff --git a/repoze/bfg/tests/test_testing.py b/repoze/bfg/tests/test_testing.py
index abd955c96..598436c1a 100644
--- a/repoze/bfg/tests/test_testing.py
+++ b/repoze/bfg/tests/test_testing.py
@@ -74,6 +74,23 @@ class TestTestingFunctions(unittest.TestCase, PlacelessSetup):
         self.assertEqual(L[0], event)
         dispatch(object())
         self.assertEqual(len(L), 1)
+
+    def test_registerEventListener_multiple(self):
+        from repoze.bfg import testing
+        from zope.interface import implements
+        from zope.interface import Interface
+        class IEvent(Interface):
+            pass
+        class Event:
+            object = 'foo'
+            implements(IEvent)
+        L = testing.registerEventListener((Interface, IEvent))
+        from zope.component.event import objectEventNotify
+        event = Event()
+        objectEventNotify(event)
+        self.assertEqual(len(L), 2)
+        self.assertEqual(L[0], 'foo')
+        self.assertEqual(L[1], event)
         
     def test_registerEventListener_defaults(self):
         from repoze.bfg import testing