blob: c8353016299774c6625683afdf1ebd9a9433fa86 [file] [log] [blame]
# Copyright 2015 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 logging
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_TouchscreenScroll(
"""Plays back scrolls and checks for correct page movement."""
version = 1
_DIRECTIONS = ['down', 'up', 'right', 'left']
_REVERSES = {'down': 'up', 'up': 'down', 'right': 'left', 'left': 'right'}
_FILENAME_FMT_STR = 'scroll-%s'
def _check_scroll_direction(self, filepath, expected):
"""Playback and raise error if scrolling does not match down value.
@param filepath: Gesture file's complete path for playback.
@param expected: String, expected direction in which test page scroll
should move for the gesture file being played.
@raises TestFail if actual scrolling did not match expected.
is_vertical = expected == 'up' or expected == 'down'
is_down_or_right = expected == 'down' or expected == 'right'
start_scroll = self._events.get_scroll_position(is_vertical)
self._playback(filepath, touch_type='touchscreen')
end_scroll = self._events.get_scroll_position(is_vertical)
delta = end_scroll - start_scroll'Scroll delta was %d (%d to %d)',
delta, start_scroll, end_scroll)
# Check if movement occured in correct direction.
if ((is_down_or_right and delta <= 0) or
(not is_down_or_right and delta >= 0)):
raise error.TestFail('Page scroll was in wrong direction! '
'Delta=%d' % delta)
def _is_testable(self):
"""Return True if test can run on this device, else False.
@raises: TestError if host has no touchscreen.
# Raise error if no touchscreen detected.
if not self._has_touchscreen:
raise error.TestError('No touchscreen found on this device!')
# Check if playback files are available on DUT to run test.
self._filepaths = self._find_test_files_from_directions(
'touchscreen', self._FILENAME_FMT_STR, self._DIRECTIONS)
if not self._filepaths:'Missing gesture files, Aborting test.')
return False
return True
def run_once(self):
"""Entry point of this test."""
if not self._is_testable():
# Log in and start test.
with chrome.Chrome(autotest_ext=True,
init_network_controller=True) as cr:
for direction in self._DIRECTIONS: