89 lines
3.3 KiB
Python
89 lines
3.3 KiB
Python
# Copyright 2015 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import logging
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from autotest_lib.client.common_lib import error
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from autotest_lib.client.common_lib.cros import chrome
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from autotest_lib.client.cros import touch_playback_test_base
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class touch_TouchscreenScroll(
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touch_playback_test_base.touch_playback_test_base):
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"""Plays back scrolls and checks for correct page movement."""
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version = 1
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_DIRECTIONS = ['down', 'up', 'right', 'left']
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_REVERSES = {'down': 'up', 'up': 'down', 'right': 'left', 'left': 'right'}
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_FILENAME_FMT_STR = 'scroll-%s'
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def _check_scroll_direction(self, filepath, expected):
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"""Playback and raise error if scrolling does not match down value.
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@param filepath: Gesture file's complete path for playback.
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@param expected: String, expected direction in which test page scroll
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should move for the gesture file being played.
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@raises TestFail if actual scrolling did not match expected.
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"""
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is_vertical = expected == 'up' or expected == 'down'
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is_down_or_right = expected == 'down' or expected == 'right'
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self._events.set_default_scroll_position(is_vertical)
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start_scroll = self._events.get_scroll_position(is_vertical)
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self._events.clear_previous_events()
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self._playback(filepath, touch_type='touchscreen')
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self._events.wait_for_events_to_complete()
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end_scroll = self._events.get_scroll_position(is_vertical)
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delta = end_scroll - start_scroll
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logging.info('Scroll delta was %d (%d to %d)',
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delta, start_scroll, end_scroll)
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# Check if movement occured in correct direction.
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if ((is_down_or_right and delta <= 0) or
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(not is_down_or_right and delta >= 0)):
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self._events.log_events()
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raise error.TestFail('Page scroll was in wrong direction! '
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'Delta=%d' % delta)
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def _is_testable(self):
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"""Return True if test can run on this device, else False.
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@raises: TestError if host has no touchscreen.
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"""
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# Raise error if no touchscreen detected.
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if not self._has_touchscreen:
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raise error.TestError('No touchscreen found on this device!')
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# Check if playback files are available on DUT to run test.
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self._filepaths = self._find_test_files_from_directions(
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'touchscreen', self._FILENAME_FMT_STR, self._DIRECTIONS)
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if not self._filepaths:
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logging.info('Missing gesture files, Aborting test.')
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return False
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return True
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def run_once(self):
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"""Entry point of this test."""
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if not self._is_testable():
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return
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# Log in and start test.
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with chrome.Chrome(autotest_ext=True,
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init_network_controller=True) as cr:
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self._open_events_page(cr)
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self._events.expand_page()
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self._events.set_prevent_defaults(False)
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for direction in self._DIRECTIONS:
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self._check_scroll_direction(self._filepaths[direction],
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self._REVERSES[direction])
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