xref: /aosp_15_r20/external/autotest/client/site_tests/touch_TouchscreenZoom/touch_TouchscreenZoom.py (revision 9c5db1993ded3edbeafc8092d69fe5de2ee02df7) 
1# Lint as: python2, python3
2# Copyright 2016 The Chromium OS Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6import logging
7
8from autotest_lib.client.common_lib import error
9from autotest_lib.client.common_lib.cros import chrome
10from autotest_lib.client.cros import touch_playback_test_base
11
12
13class touch_TouchscreenZoom(touch_playback_test_base.touch_playback_test_base):
14    """Plays back touchscreen zoom and checks for correct page movement.
15
16    Test zooms in and then out, checking that direction is correct.
17
18    """
19    version = 1
20
21    _DIRECTIONS = ['in', 'out']
22    _FILENAME_FMT_STR = 'zoom-%s'
23
24
25    def _check_zoom_in_one_direction(self, direction):
26        logging.info('Starting to zoom %s', direction)
27        start_level = self._events.get_page_zoom()
28        self._events.clear_previous_events()
29
30        self._playback(self._filepaths[direction], 'touchscreen')
31
32        self._events.wait_for_events_to_complete()
33        end_level = self._events.get_page_zoom()
34        delta = end_level - start_level
35
36        if delta == 0:
37            self._events.log_events()
38            raise error.TestFail('No page zoom occurred!')
39
40        if ((delta < 0 and direction == 'in') or
41            (delta > 0 and direction == 'out')):
42            self._events.log_events()
43            raise error.TestFail('Zoom was in the wrong direction!')
44
45
46    def _is_testable(self):
47        """Return True if test can run on this device, else False.
48
49        @raises: TestError if host has no touchscreen when it should.
50
51        """
52        # Raise error if no touchscreen detected.
53        if not self._has_touchscreen:
54            raise error.TestError('No touchscreen found on this device!')
55
56        # Check if playback files are available on DUT to run test.
57        self._filepaths = self._find_test_files_from_directions(
58                'touchscreen', self._FILENAME_FMT_STR, self._DIRECTIONS)
59        if not self._filepaths:
60            logging.info('Missing gesture files, Aborting test.')
61            return False
62
63        return True
64
65
66    def run_once(self):
67        """Entry point of this test."""
68        if not self._is_testable():
69            raise error.TestNAError('Missing input data for this board name.')
70
71        # Log in and start test.
72        with chrome.Chrome(init_network_controller=True) as cr:
73            self._open_events_page(cr)
74            self._events.set_prevent_defaults(False)
75
76            # Zoom in and out on test page.
77            for direction in self._DIRECTIONS:
78                self._check_zoom_in_one_direction(direction)
79