1 # Copyright 2016 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_TouchscreenZoom(touch_playback_test_base.touch_playback_test_base): 13 """Plays back touchscreen zoom and checks for correct page movement. 14 15 Test zooms in and then out, checking that direction is correct. 16 17 """ 18 version = 1 19 20 _DIRECTIONS = ['in', 'out'] 21 _FILENAME_FMT_STR = 'zoom-%s' 22 23 24 def _check_zoom_in_one_direction(self, direction): 25 logging.info('Starting to zoom %s', direction) 26 start_level = self._events.get_page_width() 27 self._events.clear_previous_events() 28 29 self._playback(self._filepaths[direction], 'touchscreen') 30 31 self._events.wait_for_events_to_complete() 32 end_level = self._events.get_page_width() 33 delta = end_level - start_level 34 35 if delta == 0: 36 self._events.log_events() 37 raise error.TestFail('No page zoom occurred!') 38 39 if ((delta > 0 and direction == 'in') or 40 (delta < 0 and direction == 'out')): 41 self._events.log_events() 42 raise error.TestFail('Zoom was in the wrong direction!') 43 44 45 def _is_testable(self): 46 """Return True if test can run on this device, else False. 47 48 @raises: TestError if host has no touchscreen when it should. 49 50 """ 51 # Raise error if no touchscreen detected. 52 if not self._has_touchscreen: 53 raise error.TestError('No touchscreen found on this device!') 54 55 # Check if playback files are available on DUT to run test. 56 self._filepaths = self._find_test_files_from_directions( 57 'touchscreen', self._FILENAME_FMT_STR, self._DIRECTIONS) 58 if not self._filepaths: 59 logging.info('Missing gesture files, Aborting test.') 60 return False 61 62 return True 63 64 65 def run_once(self): 66 """Entry point of this test.""" 67 if not self._is_testable(): 68 return 69 70 # Log in and start test. 71 with chrome.Chrome(init_network_controller=True) as cr: 72 self._open_events_page(cr) 73 self._events.set_prevent_defaults(False) 74 75 # Zoom in and out on test page. 76 for direction in self._DIRECTIONS: 77 self._check_zoom_in_one_direction(direction) 78
