cobalt/black_box_tests/tests/scroll_with_none_pointer_events.py

# Copyright 2023 The Cobalt Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for scroll containers."""

import logging

from cobalt.black_box_tests import black_box_tests
from cobalt.black_box_tests.threaded_web_server import ThreadedWebServer
from selenium.webdriver.common.action_chains import ActionChains
from selenium.webdriver.common import keys

# Time to sleep after a mouse move to give the device time to process it and
# to avoid collapsing with subsequent move events.
_SLEEP_AFTER_MOVE_TIME = 0.5


def find_element_by_id(runner, id_selector):
  return runner.webdriver.find_elements_by_css_selector('#' + id_selector)[0]


class PointerTest(black_box_tests.BlackBoxTestCase):
  """Tests pointer and mouse event."""

  def test_pointer_events(self):
    with ThreadedWebServer(binding_address=self.GetBindingAddress()) as server:
      url = server.GetURL(
          file_name='testdata/scroll_with_none_pointer_events.html')

      with self.CreateCobaltRunner(url=url) as runner:
        logging.info('JS Test Setup WaitForJSTestsSetup')
        runner.WaitForJSTestsSetup()
        logging.info('JS Test Setup')
        self.assertTrue(runner.webdriver)

        row = find_element_by_id(runner, 'row')
        actions = ActionChains(runner.webdriver)

        # No scrolling when pointer-events:none
        actions.click_and_hold(row).pause(_SLEEP_AFTER_MOVE_TIME)
        actions.move_by_offset(-100, 0)
        actions.release()
        actions.perform()
        runner.SendKeys(keys.Keys.NUMPAD0)

        # No scrolling if swipe starts with pointer-events:none,
        # even if pointer-events is enabled during the swipe
        actions2 = ActionChains(runner.webdriver)
        actions2.click_and_hold(row).pause(_SLEEP_AFTER_MOVE_TIME)
        actions2.send_keys(keys.Keys.NUMPAD1).pause(_SLEEP_AFTER_MOVE_TIME)
        actions2.move_by_offset(-100, 0)
        actions2.release()
        actions2.perform()
        runner.SendKeys(keys.Keys.NUMPAD2)
        self.assertTrue(runner.JSTestsSucceeded())