def new_tag(request, owner, board, bag_name):
bag = get_object_or_404(Bag, board=board, name=bag_name)
if request.method == 'POST':
form = TagForm(request.POST, instance=Tag(bag=bag))
if form.is_valid():
tag = form.save()
return HttpResponseRedirect(bag.get_absolute_url())
else:
form = TagForm(instance=Tag(bag=bag))
return {
'bag': bag,
'form': form,
'non_field_errors': form.errors.get(NON_FIELD_ERRORS),
}
def test_when_tag_is_new_form_should_be_valid(self):
subject = TagForm({'name': 'zz9'}, instance=Tag(bag=self.bag))
self.assertTrue(subject.is_valid())
def test_when_tag_exists_form_should_be_invalid(self):
subject = TagForm({'name': 'p'}, instance=Tag(bag=self.bag))
self.assertFalse(subject.is_valid())
