def get(self, widget_id):
"""Handles GET requests."""
try:
self.render_json({
'widget': InteractiveWidget.get_with_params(widget_id, {}),
})
except:
raise self.PageNotFoundException
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 post(self, widget_id):
"""Handles POST requests, for parameterized widgets."""
params = self.payload.get('params', {})
if isinstance(params, list):
new_params = {}
for item in params:
new_params[item['name']] = item['default_value']
params = new_params
state_params_dict = {}
state_params_given = self.payload.get('state_params')
if state_params_given:
for param in state_params_given:
# Pick a random parameter for each key.
state_params_dict[param['name']] = (
utils.get_random_choice(param['values']))
response = InteractiveWidget.get_with_params(
widget_id, params=utils.parse_dict_with_params(
params, state_params_dict)
)
self.render_json({'widget': response})
