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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

from six.moves.urllib.parse import quote

from marionette_driver import By, errors
from marionette_harness import MarionetteTestCase


def inline(doc):
    return "data:text/html;charset=utf-8,{}".format(quote(doc))


class TestGetComputedRole(MarionetteTestCase):
    def test_can_get_computed_role(self):
        self.marionette.navigate(inline("<button id=a>btn</button>"))
        computed_role = self.marionette.find_element(By.ID, "a").computed_role
        self.assertEqual(computed_role, "button")

    def test_get_computed_role_no_such_element(self):
        self.marionette.navigate(inline("<div id=a>"))
        element = self.marionette.find_element(By.ID, "a")
        element.id = "b"
        with self.assertRaises(errors.NoSuchElementException):
            element.computed_role