import pytest

from falcon.request import RequestOptions
from falcon.util import deprecation


class TestRequestOptions:
    def test_option_defaults(self):
        options = RequestOptions()

        assert options.keep_blank_qs_values
        assert not options.auto_parse_form_urlencoded
        assert not options.auto_parse_qs_csv
        assert not options.strip_url_path_trailing_slash

    @pytest.mark.parametrize(
        'option_name',
        [
            'keep_blank_qs_values',
            'auto_parse_form_urlencoded',
            'auto_parse_qs_csv',
            'strip_url_path_trailing_slash',
        ],
    )
    def test_options_toggle(self, option_name):
        options = RequestOptions()

        if option_name == 'auto_parse_form_urlencoded':
            with pytest.warns(deprecation.DeprecatedWarning):
                setattr(options, option_name, True)
        else:
            setattr(options, option_name, True)
        assert getattr(options, option_name)

        setattr(options, option_name, False)
        assert not getattr(options, option_name)

    def test_incorrect_options(self):
        options = RequestOptions()

        def _assign_invalid():
            options.invalid_option_and_attribute = True

        with pytest.raises(AttributeError):
            _assign_invalid()