117 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			Python
		
	
	
	
| # Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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| # Use of this source code is governed by a BSD-style license that can be
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| # found in the LICENSE file.
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| 
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| import itertools
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| import logging
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| import re
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| import time
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| 
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| from autotest_lib.client.common_lib import error
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| from autotest_lib.client.common_lib.cros import chrome
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| from autotest_lib.client.cros import touch_playback_test_base
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| 
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| 
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| class touch_TapSettings(touch_playback_test_base.touch_playback_test_base):
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|     """Toggles tap-to-click and tap dragging settings to ensure correctness."""
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|     version = 1
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| 
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|     _TEST_TIMEOUT = 1  # Number of seconds the test will wait for a click.
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|     _MOUSE_DESCRIPTION = 'apple_mouse.prop'
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|     _CLICK_NAME = 'tap'
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|     _DRAG_NAME = 'tap-drag-right'
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| 
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| 
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|     def _check_for_click(self, expected):
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|         """Playback and check whether tap-to-click occurred.  Fail if needed.
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| 
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|         @param expected: True if clicking should happen, else False.
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|         @raises: TestFail if actual value does not match expected.
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| 
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|         """
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|         expected_count = 1 if expected else 0
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|         self._events.clear_previous_events()
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|         self._playback(self._filepaths[self._CLICK_NAME])
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|         time.sleep(self._TEST_TIMEOUT)
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|         actual_count = self._events.get_click_count()
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|         if actual_count is not expected_count:
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|             self._events.log_events()
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|             raise error.TestFail('Expected clicks=%s, actual=%s.'
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|                                  % (expected_count, actual_count))
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| 
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| 
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|     def _check_for_drag(self, expected):
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|         """Playback and check whether tap dragging occurred.  Fail if needed.
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| 
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|         @param expected: True if dragging should happen, else False.
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|         @raises: TestFail if actual value does not match expected.
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| 
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|         """
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|         self._events.clear_previous_events()
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|         self._blocking_playback(self._filepaths[self._DRAG_NAME])
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|         self._events.wait_for_events_to_complete()
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| 
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|         # Find a drag in the reported input events.
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|         events_log = self._events.get_events_log()
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|         log_search = re.search('mousedown.*\n(mousemove.*\n)+mouseup',
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|                                events_log, re.MULTILINE)
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|         actual_dragging = log_search != None
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|         actual_click_count = self._events.get_click_count()
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|         actual = actual_dragging and actual_click_count == 1
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| 
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|         if actual is not expected:
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|             self._events.log_events()
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|             raise error.TestFail('Tap dragging movement was %s; expected %s.  '
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|                                  'Saw %s clicks.'
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|                                  % (actual, expected, actual_click_count))
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| 
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| 
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|     def _is_testable(self):
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|         """Return True if test can run on this device, else False.
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| 
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|         @raises: TestError if host has no touchpad when it should.
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| 
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|         """
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|         # Raise error if no touchpad detected.
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|         if not self._has_touchpad:
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|             raise error.TestError('No touchpad found on this device!')
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| 
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|         # Check if playback files are available on DUT to run test.
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|         self._filepaths = self._find_test_files(
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|                 'touchpad', [self._CLICK_NAME, self._DRAG_NAME])
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|         if not self._filepaths:
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|             logging.info('Missing gesture files, Aborting test.')
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|             return False
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| 
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|         return True
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| 
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| 
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|     def run_once(self):
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|         """Entry point of this test."""
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|         if not self._is_testable():
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|             return
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| 
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|         # Log in and start test.
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|         with chrome.Chrome(autotest_ext=True,
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|                            init_network_controller=True) as cr:
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|             # Setup.
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|             self._set_autotest_ext(cr.autotest_ext)
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|             self._open_events_page(cr)
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|             self._emulate_mouse()
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|             self._center_cursor()
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| 
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|             # Check default setting values.
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|             logging.info('Checking for default setting values.')
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|             self._check_for_click(True)
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|             self._check_for_drag(False)
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| 
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|             # Toggle settings in all combinations and check.
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|             options = [True, False]
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|             option_pairs = itertools.product(options, options)
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|             for (click_value, drag_value) in option_pairs:
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|                 self._center_cursor()
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|                 self._set_tap_to_click(click_value)
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|                 self._set_tap_dragging(drag_value)
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|                 self._check_for_click(click_value)
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|                 self._check_for_drag(click_value and drag_value)
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