'Default namespace for classes using L{Logger} as a descriptor is the
class name they were retrieved from.'

def test_namespaceAttribute(self):

    obj = LogComposedObject()
    expectedNamespace = '{0}.{1}'.format(obj.__module__, obj.__class__.__name__)
    self.assertEqual(obj.log.namespace, expectedNamespace)
    self.assertEqual(LogComposedObject.log.namespace, expectedNamespace)
    self.assertIs(LogComposedObject.log.source, LogComposedObject)
    self.assertIs(obj.log.source, obj)
    self.assertIsNone(Logger().source)
