def reload_widgets():
"""Reload the default classifiers and widgets."""
Classifier.delete_all_classifiers()
Classifier.load_default_classifiers()
Widget.delete_all_widgets()
InteractiveWidget.load_default_widgets()
NonInteractiveWidget.load_default_widgets()
def test_loading_and_deletion_of_classifiers(self):
"""Test loading and deletion of the default classifiers."""
self.assertEqual(Classifier.objects.count(), 0)
Classifier.load_default_classifiers()
classifiers = Classifier.objects.all()
classifier_ids = [classifier.id for classifier in classifiers]
self.assertIn('Coord2DClassifier', classifier_ids)
self.assertEqual(classifiers.count(), 7)
Classifier.delete_all_classifiers()
self.assertEqual(Classifier.objects.count(), 0)
def test_parameterized_widget(self):
"""Test that parameterized widgets are correctly handled."""
self.assertEqual(InteractiveWidget.objects.count(), 0)
Classifier.load_default_classifiers()
InteractiveWidget.load_default_widgets()
MUSIC_STAFF_ID = 'interactive-MusicStaff'
widget = InteractiveWidget.get(MUSIC_STAFF_ID)
self.assertEqual(widget.id, MUSIC_STAFF_ID)
self.assertEqual(widget.name, 'Music staff')
code = InteractiveWidget.get_raw_code(MUSIC_STAFF_ID)
self.assertIn('GLOBALS.noteToGuess = JSON.parse(\'\\"', code)
code = InteractiveWidget.get_raw_code(MUSIC_STAFF_ID, {'noteToGuess': 'abc'})
self.assertIn('GLOBALS.noteToGuess = JSON.parse(\'abc\');', code)
# The get_with_params() method cannot be called directly on Widget.
# It must be called on a subclass.
with self.assertRaises(AttributeError):
parameterized_widget_dict = Widget.get_with_params(
MUSIC_STAFF_ID, {'noteToGuess': 'abc'})
with self.assertRaises(NotImplementedError):
parameterized_widget_dict = Widget._get_with_params(
MUSIC_STAFF_ID, {'noteToGuess': 'abc'})
parameterized_widget_dict = InteractiveWidget.get_with_params(
MUSIC_STAFF_ID, {'noteToGuess': 'abc'})
self.assertItemsEqual(parameterized_widget_dict.keys(), [
'id', 'name', 'category', 'description', 'template',
'static_template', 'params', 'handlers', 'raw'])
self.assertEqual(parameterized_widget_dict['id'], MUSIC_STAFF_ID)
self.assertIn('GLOBALS.noteToGuess = JSON.parse(\'abc\');',
parameterized_widget_dict['raw'])
self.assertEqual(parameterized_widget_dict['params'],
{'noteToGuess': 'abc'})
InteractiveWidget.delete_all_widgets()
def setUp(self):
"""Loads the default classifiers."""
Classifier.load_default_classifiers()