| # Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import os |
| import logging |
| import shutil |
| |
| from autotest_lib.client.bin import utils |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.common_lib.cros import chrome |
| from autotest_lib.client.cros import touch_playback_test_base |
| |
| |
| class touch_ScrollDirection(touch_playback_test_base.touch_playback_test_base): |
| """Plays back scrolls and checks for correct page movement.""" |
| version = 1 |
| |
| _DEFAULT_SCROLL = 100 |
| _VALID_BOARDS = ['squawks', 'nyan_big', 'parrot', 'link', 'peppy', 'daisy', |
| 'peach_pit', 'x86-alex'] |
| |
| def _get_page_position(self): |
| """Return current scroll position of page.""" |
| return self._tab.EvaluateJavaScript('document.body.scrollTop') |
| |
| def _reset_page_position(self): |
| """Reset page position to default.""" |
| self._tab.ExecuteJavaScript('window.scrollTo(0, %d)' |
| % self._DEFAULT_SCROLL) |
| |
| def _check_scroll_direction(self, down): |
| """Raise error if actual scrolling does not match down value. |
| |
| @param down: True if scrolling is supposed to be down; else False. |
| |
| @raises TestError if actual scrolling did not match down param. |
| |
| """ |
| current = self._get_page_position() |
| logging.info('Scroll delta was %d', current - self._DEFAULT_SCROLL) |
| if down: |
| if current <= self._DEFAULT_SCROLL: |
| raise error.TestError('Page did not scroll down! ' |
| 'Australian=%s' % self._australian_state) |
| else: |
| if current >= self._DEFAULT_SCROLL: |
| raise error.TestError('Page did not scroll up! ' |
| 'Australian=%s' % self._australian_state) |
| |
| def _verify_scrolling(self): |
| """Scroll down and check scroll direction, then repeat with up.""" |
| self._reset_page_position() |
| self._playback(filepath=self._down_file) |
| self._check_scroll_direction(down=not self._australian_state) |
| |
| self._reset_page_position() |
| self._playback(filepath=self._up_file) |
| self._check_scroll_direction(down=self._australian_state) |
| |
| def run_once(self): |
| """Entry point of this test.""" |
| |
| # Copy playback files to DUT, if available. Deleted during cleanup. |
| self._copied_files = [] |
| device = utils.get_board() |
| if device not in self._VALID_BOARDS: |
| logging.info('Aborting test; %s is not supported.', device) |
| return |
| gestures_dir = os.path.join(self.bindir, 'gestures') |
| down = device + '_scroll_down' |
| up = device + '_scroll_up' |
| self._down_file = os.path.join('/tmp', down) |
| self._up_file = os.path.join('/tmp', up) |
| self._copied_files.append(self._down_file) |
| self._copied_files.append(self._up_file) |
| shutil.copyfile(os.path.join(gestures_dir, down), self._down_file) |
| shutil.copyfile(os.path.join(gestures_dir, up), self._up_file) |
| |
| # Raise error if no touchpad detected. |
| if not self._has_touchpad: |
| logging.info('No touchpad found!') |
| raise error.TestError('No touchpad found on this %d' % device) |
| |
| # Log in and start test. |
| with chrome.Chrome() as cr: |
| # Open test page. |
| cr.browser.SetHTTPServerDirectories(self.bindir) |
| self._tab = cr.browser.tabs[0] |
| self._tab.Navigate(cr.browser.http_server.UrlOf( |
| os.path.join(self.bindir, 'long_page.html'))) |
| self._tab.WaitForDocumentReadyStateToBeComplete() |
| |
| # Check default scroll - australian for touchscreens. |
| self._australian_state = self._has_touchscreen |
| logging.info('Expecting Australian=%s', self._australian_state) |
| self._verify_scrolling() |
| |
| # Toggle australian scrolling and check again. |
| self._australian_state = not self._australian_state |
| self._set_australian_scrolling(value=self._australian_state) |
| self._verify_scrolling() |
| |
| def cleanup(self): |
| # Remove files, if present. |
| for fh in self._copied_files: |
| try: |
| os.remove(fh) |
| except OSError: |
| pass |
| |
| |