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