def check_formfield(cls, model, opts, label, field):
if getattr(cls.form, 'base_fields', None):
try:
cls.form.base_fields[field]
except KeyError:
raise ImproperlyConfigured("'%s.%s' refers to field '%s' that "
"is missing from the form." % (cls.__name__, label, field))
else:
fields = fields_for_model(model)
try:
fields[field]
except KeyError:
raise ImproperlyConfigured("'%s.%s' refers to field '%s' that "
"is missing from the form." % (cls.__name__, label, field))
def test_empty_fields_to_fields_for_model(self):
"An argument of fields=() to fields_for_model should return an empty dictionary"
field_dict = fields_for_model(Person, fields=())
self.assertEqual(len(field_dict), 0)
