def test_null_arg(self):
"""A embedded null character is a validation error."""
field = MultipleStringField()
value = "Embeded_Null_\x00"
with pytest.raises(ValidationError):
field.clean([value])
def test_empty_list_required(self):
"""If a field is required, an empty list is a validation error."""
field = MultipleStringField()
with pytest.raises(ValidationError):
field.clean([])