def test_update_all_classes_forces_new_search(self):
library = ClassLibrary()
cs = ClassSearch(all_classes=library.classes)
self.assertEqual(len(cs.search_results), 0)
library.modules=['datetime', 'sample_package']
# Ensure we found some classes. This isn't a test of
# ClassSearch, but we want it to be true to ensure our
# test is valid.
self.assertNotEqual(len(library.classes), 0)
# Now ensure the search results are updated and have something
# in them.
cs.all_classes = library.classes
self.assertNotEqual(len(cs.search_results), 0)
