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      1 # Copyright 2018 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.bin import utils
      8 from autotest_lib.client.common_lib import error
      9 from autotest_lib.client.common_lib.cros import chrome
     10 from autotest_lib.client.cros import touch_playback_test_base
     11 
     12 
     13 class touch_GestureNav(touch_playback_test_base.touch_playback_test_base):
     14     """Test to verify the three finger tab switching touchpad gesture."""
     15     version = 1
     16 
     17     _WAIT_FOR_COMPLETE_NAV = 5
     18 
     19     def _is_testable(self):
     20         """Returns True if the test can run on this device, else False."""
     21         if not self._has_touchpad:
     22             raise error.TestError('No touchpad found on this device!')
     23 
     24         # Check if playback files are available on DUT to run test.
     25         self._filepaths = self._find_test_files_from_directions('touchpad',
     26                 'two-finger-longswipe-%s', ['back', 'fwd'])
     27         if not self._filepaths:
     28             logging.info('Missing gesture files. Aborting test.')
     29             return False
     30 
     31         return True
     32 
     33 
     34     def _check_tab_navigate(self, to_url, direction=''):
     35         """
     36         Verify tab navigation behavior. Moving two fingers one or
     37         another direction will navigate back or forward in the tab.
     38 
     39         @param direction: the swipe direction and the input file suffix.
     40         @param to_url: url to verify the swipe navigated to.
     41 
     42         """
     43         self.tab.WaitForDocumentReadyStateToBeComplete()
     44         fail_msg = 'Incorrect tab navigating %s to %s' % (direction, to_url)
     45         utils.poll_for_condition(
     46                 lambda: self.tab.url.encode('utf8').rstrip('/') == to_url,
     47                 exception=error.TestFail(fail_msg),
     48                 timeout=self._WAIT_FOR_COMPLETE_NAV)
     49 
     50 
     51     def run_once(self):
     52         """Entry point of this test."""
     53         if not self._is_testable():
     54             return
     55 
     56         # Log in and start test.
     57         with chrome.Chrome(autotest_ext=True,
     58                            init_network_controller=True) as cr:
     59             self.tab = cr.browser.tabs[0]
     60 
     61             url_back = 'https://www.youtube.com'
     62             url_fwd = 'https://www.google.com'
     63 
     64             # Navigate to two urls in the same tab
     65             self.tab.Navigate(url_back)
     66             self._check_tab_navigate(url_back)
     67             self.tab.Navigate(url_fwd)
     68             self._check_tab_navigate(url_fwd)
     69 
     70             # Swipe to navigate back
     71             self._blocking_playback(touch_type='touchpad',
     72                         filepath=self._filepaths['back'])
     73             self._check_tab_navigate(url_back, 'back')
     74 
     75             # Swipe to navigate forward
     76             self._blocking_playback(touch_type='touchpad',
     77                         filepath=self._filepaths['fwd'])
     78             self._check_tab_navigate(url_fwd, 'fwd')
     79