def test_fieldlist_init(self):
# TEST: initialize FieldList with an instance of Field
FieldList(field=fields.IntegerField())
# TEST: initialize FieldList with non-Fields - throws an error
expected_error = FieldList.default_error_messages['not_field']
for non_field in [1, 'blah'] + list(EMPTY_VALUES):
with self.assertRaisesMessage(RuntimeError, str(expected_error)):
log_input(non_field)
FieldList(field=non_field)
def test_fieldlist_required_false(self):
field_list = FieldList(field=fields.IntegerField(), required=False)
# TEST: list of values matching the FieldList's field
test_val = [1, 2, 3, 4]
self.assertEqual(test_val, field_list.clean(test_val))
# TEST: required=False - empty values outside of a list return []
for empty_val in EMPTY_VALUES:
self.assertEqual([], field_list.clean(empty_val))
def test_fieldlist_required(self):
field_list = FieldList(field=fields.IntegerField())
# TEST: valid input
valid_val = [1, 2, 3]
self.assertEqual(valid_val, field_list.clean(valid_val))
# TEST: invalid input (individual non-list truthy values)
invalid_vals = [True, 1, datetime.datetime.now(), 'blah', {'blah'}]
expected_error = FieldList.default_error_messages['not_list']
for invalid_val in invalid_vals:
with self.assertRaisesMessage(ValidationError,
str(expected_error)):
field_list.clean(invalid_val)
# TEST: invalid input (list of values the FieldList's IntegerField considers invalid)
invalid_vals = [False, datetime.datetime.now(), 'blah', {'blah'}]
expected_error = str(['Enter a whole number.'] * len(invalid_vals))
with self.assertRaisesMessage(ValidationError, expected_error):
field_list.clean(invalid_vals)
# TEST: invalid input (list of values that the FieldList's IntegerField considers empty)
invalid_vals = list(EMPTY_VALUES)
expected_error = str(['This field is required.'] * len(invalid_vals))
with self.assertRaisesMessage(ValidationError, expected_error):
field_list.clean(invalid_vals)
# TEST: required=True - empty values outside of a list throw error
for empty_value in EMPTY_VALUES:
with self.assertRaisesMessage(ValidationError,
"['This field is required.']"):
field_list.clean(empty_value)
class ArtistForm(Form):
name = fields.CharField(required=True, max_length=100)
genres = FieldList(field=fields.CharField(max_length=30))
members = fields.IntegerField()