| # 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 itertools |
| import logging |
| import re |
| import time |
| |
| 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_TapSettings(touch_playback_test_base.touch_playback_test_base): |
| """Toggles tap-to-click and tap dragging settings to ensure correctness.""" |
| version = 1 |
| |
| _TEST_TIMEOUT = 1 # Number of seconds the test will wait for a click. |
| _MOUSE_DESCRIPTION = 'apple_mouse.prop' |
| _CLICK_NAME = 'tap-click' |
| _DRAG_NAME = 'tap-drag-right' |
| |
| |
| def _check_for_click(self, expected): |
| """Playback and check whether tap-to-click occurred. Fail if needed. |
| |
| @param expected: True if clicking should happen, else False. |
| @raises: TestFail if actual value does not match expected. |
| |
| """ |
| expected_count = 1 if expected else 0 |
| self._events.clear_previous_events() |
| self._playback(self._filepaths[self._CLICK_NAME]) |
| time.sleep(self._TEST_TIMEOUT) |
| actual_count = self._events.get_click_count() |
| if actual_count is not expected_count: |
| self._events.log_events() |
| raise error.TestFail('Expected clicks=%s, actual=%s.' |
| % (expected_count, actual_count)) |
| |
| |
| def _check_for_drag(self, expected): |
| """Playback and check whether tap dragging occurred. Fail if needed. |
| |
| @param expected: True if dragging should happen, else False. |
| @raises: TestFail if actual value does not match expected. |
| |
| """ |
| self._events.clear_previous_events() |
| self._blocking_playback(self._filepaths[self._DRAG_NAME]) |
| self._events.wait_for_events_to_complete() |
| |
| # Find a drag in the reported input events. |
| events_log = self._events.get_events_log() |
| log_search = re.search('mousedown.*\n(mousemove.*\n)+mouseup', |
| events_log, re.MULTILINE) |
| actual_dragging = log_search != None |
| actual_click_count = self._events.get_click_count() |
| actual = actual_dragging and actual_click_count == 1 |
| |
| if actual is not expected: |
| self._events.log_events() |
| raise error.TestFail('Tap dragging movement was %s; expected %s. ' |
| 'Saw %s clicks.' |
| % (actual, expected, actual_click_count)) |
| |
| |
| def _is_testable(self): |
| """Return True if test can run on this device, else False. |
| |
| @raises: TestError if host has no touchpad when it should. |
| |
| """ |
| # Raise error if no touchpad detected. |
| if not self._has_touchpad: |
| raise error.TestError('No touchpad found on this device!') |
| |
| # Check if playback files are available on DUT to run test. |
| self._filepaths = self._find_test_files( |
| 'touchpad', [self._CLICK_NAME, self._DRAG_NAME]) |
| if not self._filepaths: |
| logging.info('Missing gesture files, Aborting test.') |
| return False |
| |
| return True |
| |
| |
| def run_once(self): |
| """Entry point of this test.""" |
| if not self._is_testable(): |
| return |
| |
| # Log in and start test. |
| with chrome.Chrome(autotest_ext=True) as cr: |
| # Setup. |
| self._set_autotest_ext(cr.autotest_ext) |
| self._open_events_page(cr) |
| self._emulate_mouse() |
| self._center_cursor() |
| |
| # Check default setting values. |
| logging.info('Checking for default setting values.') |
| self._check_for_click(True) |
| self._check_for_drag(False) |
| |
| # Toggle settings in all combinations and check. |
| options = [True, False] |
| option_pairs = itertools.product(options, options) |
| for (click_value, drag_value) in option_pairs: |
| self._center_cursor() |
| self._set_tap_to_click(click_value) |
| self._set_tap_dragging(drag_value) |
| self._check_for_click(click_value) |
| self._check_for_drag(click_value and drag_value) |