1# Lint as: python2, python3 2# Copyright (c) 2014 The Chromium OS Authors. All rights reserved. 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6import logging 7 8from autotest_lib.client.common_lib import error 9from autotest_lib.client.common_lib.cros import chrome 10from autotest_lib.client.cros import touch_playback_test_base 11 12 13class touch_ScrollDirection(touch_playback_test_base.touch_playback_test_base): 14 """Plays back scrolls and checks for correct page movement.""" 15 version = 1 16 17 _DIRECTIONS = ['down', 'up', 'right', 'left'] 18 _REVERSES = {'down': 'up', 'up': 'down', 'right': 'left', 'left': 'right'} 19 _FILENAME_FMT_STR = 'scroll-%s' 20 21 22 def _check_scroll_direction(self, filepath, expected): 23 """Playback and raise error if scrolling does not match down value. 24 25 @param filepath: Gesture file's complete path for playback. 26 @param expected: String, expected direction in which test page scroll 27 should move for the gesture file being played. 28 29 @raises TestFail if actual scrolling did not match expected. 30 31 """ 32 is_vertical = expected == 'up' or expected == 'down' 33 is_down_or_right = expected == 'down' or expected == 'right' 34 35 self._events.clear_previous_events() 36 self._playback(filepath) 37 self._events.wait_for_events_to_complete() 38 delta = self._events.get_scroll_delta(is_vertical) 39 logging.info('Scroll delta was %d', delta) 40 41 # Check if scrolling went in correct direction. 42 if ((is_down_or_right and delta <= 0) or 43 (not is_down_or_right and delta >= 0)): 44 self._events.log_events() 45 raise error.TestFail('Page scroll was in wrong direction! ' 46 'Delta=%d, Australian=%s, Touchscreen=%s' 47 % (delta, self._australian_state, 48 self._has_touchscreen)) 49 50 51 def _verify_scrolling(self): 52 """Check scrolling direction for down then up.""" 53 if not self._australian_state: 54 for direction in self._DIRECTIONS: 55 self._check_scroll_direction(self._filepaths[direction], 56 direction) 57 else: 58 for direction in self._DIRECTIONS: 59 self._check_scroll_direction(self._filepaths[direction], 60 self._REVERSES[direction]) 61 62 63 def _is_testable(self): 64 """Return True if test can run on this device, else False. 65 66 @raises: TestError if host has no touchpad when it should. 67 68 """ 69 # Raise error if no touchpad detected. 70 if not self._has_touchpad: 71 raise error.TestError('No touchpad found on this device!') 72 73 # Check if playback files are available on DUT to run test. 74 self._filepaths = self._find_test_files_from_directions( 75 'touchpad', self._FILENAME_FMT_STR, self._DIRECTIONS) 76 if not self._filepaths: 77 logging.info('Missing gesture files, Aborting test.') 78 return False 79 80 return True 81 82 83 def run_once(self): 84 """Entry point of this test.""" 85 if not self._is_testable(): 86 raise error.TestNAError('Missing input data for this board name.') 87 88 # Log in and start test. 89 with chrome.Chrome(autotest_ext=True, 90 init_network_controller=True) as cr: 91 # Setup. 92 self._set_autotest_ext(cr.autotest_ext) 93 self._open_events_page(cr) 94 self._events.expand_page() 95 self._events.set_prevent_defaults(False) 96 97 self._emulate_mouse() 98 self._center_cursor() 99 100 # Check default scroll - Australian only for samus and link. 101 # See crbug.com/528083 for details. 102 self._australian_state = self._platform in ['link' , 'samus'] 103 logging.info('Expecting Australian=%s', self._australian_state) 104 self._verify_scrolling() 105 106 # Toggle Australian scrolling and check again. 107 self._australian_state = not self._australian_state 108 self._set_australian_scrolling(value=self._australian_state) 109 self._verify_scrolling() 110