[Zope-CVS] CVS: Products/Event/tests - testEventRegistry.py:1.4

[Chris McDonough]

Update of /cvs-repository/Products/Event/tests
In directory cvs.zope.org:/tmp/cvs-serv32510/tests

Modified Files:
	testEventRegistry.py 
Log Message:
Add new method to event registry:  listEventsWhichExtend, which receives an interface.  Returned are the keys into the registry for the interfaces which extend the passed in interface.


=== Products/Event/tests/testEventRegistry.py 1.3 => 1.4 ===
--- Products/Event/tests/testEventRegistry.py:1.3	Sat Sep 21 12:31:08 2002
+++ Products/Event/tests/testEventRegistry.py	Tue Jun  3 14:32:49 2003
@@ -1,8 +1,29 @@
 import unittest
+from Interface import Interface
 
 class DummyEvent:
     """Dummy Event semi-interface."""
 
+class BaseEventInterface(Interface):
+    """Base"""
+    pass
+
+class Extends1(BaseEventInterface):
+    """Extends1"""
+    pass
+
+class Extends2(BaseEventInterface):
+    """Extends2"""
+    pass
+
+class Extends3(Extends1):
+    """Extends3"""
+    pass
+
+class Extends4(Extends2):
+    """Extends4"""
+    pass
+
 class EventRegistryTests(unittest.TestCase):
     oldRegistry = None
 
@@ -57,6 +78,34 @@
         self.assertEqual(registry.getEventTitle(key), 'Dummy Event (bar)')
         self.assertEqual(registry.getEventDescription(key), 'Bar Description')
         self.failUnless(registry.getEventInterface(key) is Bar)
+
+    def test_listEventsWhichExtend(self):
+        registry = self._makeOne()
+        base = BaseEventInterface
+        registry.registerEvent(base, 'Base')
+        registry.registerEvent(Extends1, 'Extends1')
+        registry.registerEvent(Extends2, 'Extends2')
+        registry.registerEvent(Extends3, 'Extends3')
+        registry.registerEvent(Extends4, 'Extends4')
+
+        # test if working
+        for name in ('__main__.Extends1', '__main__.Extends2',
+                     '__main__.Extends3', '__main__.Extends4'):
+            self.failUnless(name in registry.listEventsWhichExtend(base))
+
+        # test strictness
+        self.failIf(registry.listEventsWhichExtend(Extends3))
+        self.assertEqual(
+            registry.listEventsWhichExtend(Extends3, strict=0),
+            ['__main__.Extends3']
+            )
+            
+        # test metadata
+        self.failUnless(
+            ('__main__.Extends1', 'Extends1', 'Extends1')  in
+            registry.listEventsWhichExtend(base, with_metadata=1)
+            )
+        
 
 class ReindentDocstringTest(unittest.TestCase):
     def _reindent(self, doc):