def test_loading_and_deletion_of_widgets(self):
"""Test loading and deletion of the default widgets."""
self.assertEqual(Widget.query().count(), 0)
InteractiveWidget.load_default_widgets()
self.assertEqual(Widget.query().count(), 7)
self.assertEqual(InteractiveWidget.query().count(), 7)
self.assertEqual(NonInteractiveWidget.query().count(), 0)
Widget.delete_all_widgets()
self.assertEqual(Widget.query().count(), 0)
