Added printing requirements

zope/interface/tests/test_interfaces.py

@@ -0,0 +1,115 @@
+import unittest
+
+class _SilencePy3Deprecations(unittest.TestCase):
+    # silence deprecation warnings under py3
+
+    def failUnless(self, expr):
+        # St00pid speling.
+        return self.assertTrue(expr)
+
+    def failIf(self, expr):
+        # St00pid speling.
+        return self.assertFalse(expr)
+
+
+class _ConformsToIObjectEvent(object):
+
+    def _makeOne(self, target=None):
+        if target is None:
+            target = object()
+        return self._getTargetClass()(target)
+
+    def test_class_conforms_to_IObjectEvent(self):
+        from zope.interface.interfaces import IObjectEvent
+        from zope.interface.verify import verifyClass
+        verifyClass(IObjectEvent, self._getTargetClass())
+
+    def test_instance_conforms_to_IObjectEvent(self):
+        from zope.interface.interfaces import IObjectEvent
+        from zope.interface.verify import verifyObject
+        verifyObject(IObjectEvent, self._makeOne())
+
+
+class _ConformsToIRegistrationEvent(_ConformsToIObjectEvent):
+
+    def test_class_conforms_to_IRegistrationEvent(self):
+        from zope.interface.interfaces import IRegistrationEvent
+        from zope.interface.verify import verifyClass
+        verifyClass(IRegistrationEvent, self._getTargetClass())
+
+    def test_instance_conforms_to_IRegistrationEvent(self):
+        from zope.interface.interfaces import IRegistrationEvent
+        from zope.interface.verify import verifyObject
+        verifyObject(IRegistrationEvent, self._makeOne())
+
+
+class ObjectEventTests(_SilencePy3Deprecations, _ConformsToIObjectEvent):
+
+    def _getTargetClass(self):
+        from zope.interface.interfaces import ObjectEvent
+        return ObjectEvent
+
+    def test_ctor(self):
+        target = object()
+        event = self._makeOne(target)
+        self.failUnless(event.object is target)
+
+
+class RegistrationEventTests(_SilencePy3Deprecations,
+                             _ConformsToIRegistrationEvent):
+
+    def _getTargetClass(self):
+        from zope.interface.interfaces import RegistrationEvent
+        return RegistrationEvent
+
+    def test___repr__(self):
+        target = object()
+        event = self._makeOne(target)
+        r = repr(event)
+        self.assertEqual(r.splitlines(),
+                         ['RegistrationEvent event:', repr(target)])
+
+
+class RegisteredTests(_SilencePy3Deprecations,
+                      _ConformsToIRegistrationEvent):
+
+    def _getTargetClass(self):
+        from zope.interface.interfaces import Registered
+        return Registered
+
+    def test_class_conforms_to_IRegistered(self):
+        from zope.interface.interfaces import IRegistered
+        from zope.interface.verify import verifyClass
+        verifyClass(IRegistered, self._getTargetClass())
+
+    def test_instance_conforms_to_IRegistered(self):
+        from zope.interface.interfaces import IRegistered
+        from zope.interface.verify import verifyObject
+        verifyObject(IRegistered, self._makeOne())
+
+
+class UnregisteredTests(_SilencePy3Deprecations,
+                        _ConformsToIRegistrationEvent):
+
+    def _getTargetClass(self):
+        from zope.interface.interfaces import Unregistered
+        return Unregistered
+
+    def test_class_conforms_to_IUnregistered(self):
+        from zope.interface.interfaces import IUnregistered
+        from zope.interface.verify import verifyClass
+        verifyClass(IUnregistered, self._getTargetClass())
+
+    def test_instance_conforms_to_IUnregistered(self):
+        from zope.interface.interfaces import IUnregistered
+        from zope.interface.verify import verifyObject
+        verifyObject(IUnregistered, self._makeOne())
+
+
+def test_suite():
+    return unittest.TestSuite((
+            unittest.makeSuite(ObjectEventTests),
+            unittest.makeSuite(RegistrationEventTests),
+            unittest.makeSuite(RegisteredTests),
+            unittest.makeSuite(UnregisteredTests),
+        ))