1# Copyright 2015 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 5import logging 6 7from autotest_lib.client.common_lib import error 8from autotest_lib.client.common_lib.cros import chrome 9from autotest_lib.client.cros import touch_playback_test_base 10 11 12class touch_TouchscreenTaps(touch_playback_test_base.touch_playback_test_base): 13 """Checks that touchscreen presses are translated into clicks.""" 14 version = 1 15 16 _CLICK_NAME = 'tap' 17 18 19 def _check_for_click(self): 20 """Playback and check whether click occurred. Fail if not. 21 22 @raises: TestFail if no click occurred. 23 24 """ 25 self._events.clear_previous_events() 26 self._blocking_playback(filepath=self._filepaths[self._CLICK_NAME], 27 touch_type='touchscreen') 28 self._events.wait_for_events_to_complete() 29 30 actual_count = self._events.get_click_count() 31 if actual_count is not 1: 32 self._events.log_events() 33 raise error.TestFail('Saw %d clicks!' % actual_count) 34 35 36 def _is_testable(self): 37 """Return True if test can run on this device, else False. 38 39 @raises: TestError if host has no touchscreen. 40 41 """ 42 # Raise error if no touchscreen detected. 43 if not self._has_touchscreen: 44 raise error.TestError('No touchscreen found on this device!') 45 46 # Check if playback files are available on DUT to run test. 47 self._filepaths = self._find_test_files( 48 'touchscreen', [self._CLICK_NAME]) 49 if not self._filepaths: 50 logging.info('Missing gesture files, Aborting test.') 51 return False 52 53 return True 54 55 56 def run_once(self): 57 """Entry point of this test.""" 58 if not self._is_testable(): 59 return 60 61 # Log in and start test. 62 with chrome.Chrome(init_network_controller=True) as cr: 63 self._open_events_page(cr) 64 self._events.set_prevent_defaults(False) 65 self._check_for_click() 66