Fixed #16820 -- Treated '0' value as True for checkbox inputs

Thanks Dan Fairs for the report and the initial patch.
This commit is contained in:
Claude Paroz 2012-10-26 20:44:00 +02:00
parent 90c7656466
commit be29329ccd
3 changed files with 10 additions and 1 deletions

View File

@ -528,7 +528,7 @@ class CheckboxInput(Widget):
values = {'true': True, 'false': False}
if isinstance(value, six.string_types):
value = values.get(value.lower(), value)
return value
return bool(value)
def _has_changed(self, initial, data):
# Sometimes data or initial could be None or '' which should be the

View File

@ -269,6 +269,11 @@ class FormsTestCase(TestCase):
f = SignupForm({'email': 'test@example.com', 'get_spam': 'false'}, auto_id=False)
self.assertHTMLEqual(str(f['get_spam']), '<input type="checkbox" name="get_spam" />')
# A value of '0' should be interpreted as a True value (#16820)
f = SignupForm({'email': 'test@example.com', 'get_spam': '0'})
self.assertTrue(f.is_valid())
self.assertTrue(f.cleaned_data.get('get_spam'))
def test_widget_output(self):
# Any Field can have a Widget class passed to its constructor:
class ContactForm(Form):

View File

@ -225,6 +225,10 @@ class FormsWidgetTestCase(TestCase):
# checkboxes).
self.assertFalse(w.value_from_datadict({}, {}, 'testing'))
value = w.value_from_datadict({'testing': '0'}, {}, 'testing')
self.assertIsInstance(value, bool)
self.assertTrue(value)
self.assertFalse(w._has_changed(None, None))
self.assertFalse(w._has_changed(None, ''))
self.assertFalse(w._has_changed('', None))