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1# Copyright 2014 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"""This is a display hot-plug and reboot test using the Chameleon board."""
6
7import logging
8
9from autotest_lib.client.common_lib import error
10from autotest_lib.client.cros.chameleon import chameleon_port_finder
11from autotest_lib.client.cros.chameleon import chameleon_screen_test
12from autotest_lib.server import test
13from autotest_lib.server.cros.multimedia import remote_facade_factory
14
15
16class display_HotPlugAtBoot(test.test):
17    """Display hot-plug and reboot test.
18
19    This test talks to a Chameleon board and a DUT to set up, run, and verify
20    DUT behavior response to different configuration of hot-plug during boot.
21    """
22    version = 1
23    PLUG_DEFAULT_CONFIG = [
24        # (plugged_before_boot, plugged_after_boot)
25        (True,True)
26    ]
27    # Allowed timeout for reboot.
28    REBOOT_TIMEOUT = 30
29
30    def run_once(self, host, test_mirrored=False, plug_status=None):
31        if test_mirrored and not host.get_board_type() == 'CHROMEBOOK':
32            raise error.TestNAError('DUT is not Chromebook. Test Skipped')
33
34        factory = remote_facade_factory.RemoteFacadeFactory(host)
35        display_facade = factory.create_display_facade()
36        chameleon_board = host.chameleon
37
38        chameleon_board.setup_and_reset(self.outputdir)
39        finder = chameleon_port_finder.ChameleonVideoInputFinder(
40                chameleon_board, display_facade)
41
42        errors = []
43        is_display_failure = False
44        for chameleon_port in finder.iterate_all_ports():
45            screen_test = chameleon_screen_test.ChameleonScreenTest(
46                    host, chameleon_port, display_facade, self.outputdir)
47
48            logging.info('See the display on Chameleon: port %d (%s)',
49                         chameleon_port.get_connector_id(),
50                         chameleon_port.get_connector_type())
51
52            logging.info('Set mirrored: %s', test_mirrored)
53            display_facade.set_mirrored(test_mirrored)
54
55            # Keep the original connector name, for later comparison.
56            expected_connector = display_facade.get_external_connector_name()
57            resolution = display_facade.get_external_resolution()
58            logging.info('See the display on DUT: %s %r',
59                    expected_connector, resolution)
60
61            if plug_status is None:
62                plug_status = self.PLUG_DEFAULT_CONFIG
63
64            for (plugged_before_boot, plugged_after_boot) in plug_status:
65                logging.info('TESTING THE CASE: %s > reboot > %s',
66                             'PLUG' if plugged_before_boot else 'UNPLUG',
67                             'PLUG' if plugged_after_boot else 'UNPLUG')
68                boot_id = host.get_boot_id()
69                chameleon_port.set_plug(plugged_before_boot)
70
71                # Don't wait DUT up. Do plug/unplug while booting.
72                logging.info('Reboot...')
73                host.reboot(wait=False)
74
75                host.test_wait_for_shutdown(
76                        shutdown_timeout=self.REBOOT_TIMEOUT)
77                chameleon_port.set_plug(plugged_after_boot)
78                host.test_wait_for_boot(boot_id)
79
80                if screen_test.check_external_display_connected(
81                        expected_connector if plugged_after_boot else False,
82                        errors):
83                    is_display_failure = True
84                    # Skip the following test if an unexpected display detected.
85                    continue
86
87                if plugged_after_boot:
88                    if test_mirrored and (
89                            not display_facade.is_mirrored_enabled()):
90                        error_message = 'Error: not rebooted to mirrored mode'
91                        errors.append(error_message)
92                        logging.error(error_message)
93                        is_display_failure = True
94                        # Sets mirrored status for next test
95                        logging.info('Set mirrored: %s', True)
96                        display_facade.set_mirrored(True)
97                        continue
98
99                    if screen_test.test_screen_with_image(
100                            resolution, test_mirrored, errors):
101                        is_display_failure = True
102
103        if errors:
104            if is_display_failure:
105                raise error.TestFail('; '.join(set(errors)))
106            else:
107                raise error.TestError('; '.join(set(errors)))
108