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1# Copyright 2019 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.
4import logging
5import time
6
7from autotest_lib.server.cros.audio import audio_test
8from autotest_lib.client.cros.audio import audio_test_data
9from autotest_lib.client.cros.chameleon import chameleon_audio_helper
10from autotest_lib.client.cros.chameleon import chameleon_audio_ids
11from autotest_lib.client.common_lib import error
12from autotest_lib.client.common_lib import utils
13from autotest_lib.server import test
14from autotest_lib.server.cros.multimedia import remote_facade_factory
15
16class audio_AudioBasicAssistant(audio_test.AudioTest):
17    """A basic assistant voice command test."""
18    version = 1
19    DELAY_AFTER_BINDING_SECS = 0.5
20    DELAY_AFTER_COMMAND_SECS = 3
21    GOOGLE_URL = 'google.com'
22
23    def run_once(self, host, enable_dsp_hotword=False):
24        """Run Basic Audio Assistant Test.
25
26        @param host: Device under test CrosHost
27        @param enable_dsp_hotword: A bool to control the usage of dsp for
28                hotword.
29        """
30        # TODO(paulhsia): Use gtts to generate command in runtime
31        hotword_file = audio_test_data.HOTWORD_OPEN_TAB_TEST_FILE
32        chameleon_board = host.chameleon
33        factory = remote_facade_factory.RemoteFacadeFactory(
34                host, results_dir=self.resultsdir)
35
36        # Prepares chameleon speaker resource
37        chameleon_board.setup_and_reset(self.outputdir)
38        widget_factory = chameleon_audio_helper.AudioWidgetFactory(
39                factory, host)
40        source = widget_factory.create_widget(
41                chameleon_audio_ids.ChameleonIds.LINEOUT)
42        sink = widget_factory.create_widget(
43                chameleon_audio_ids.PeripheralIds.SPEAKER)
44        binder = widget_factory.create_binder(source, sink)
45
46        # Restarts Chrome with assistant enabled and enables hotword
47        assistant_facade = factory.create_assistant_facade()
48        assistant_facade.restart_chrome_for_assistant(enable_dsp_hotword)
49        assistant_facade.enable_hotword()
50
51        browser_facade = factory.create_browser_facade()
52
53        # Tests voice command with chameleon
54        with chameleon_audio_helper.bind_widgets(binder):
55            time.sleep(self.DELAY_AFTER_BINDING_SECS)
56            logging.info('Setting hotword playback data on Chameleon')
57            remote_hotword_file_path = source.set_playback_data(hotword_file)
58            source.start_playback_with_path(remote_hotword_file_path)
59            time.sleep(hotword_file.duration_secs)
60        time.sleep(self.DELAY_AFTER_COMMAND_SECS)
61
62        # Checks urls in open tabs
63        urls = browser_facade.get_tab_urls()
64        if len(urls) != 2:
65            raise error.TestFail('There should be an empty tab and a tab with '
66                     'Google.')
67        # Checks if google.com exists in tabs
68        for url in urls:
69            logging.debug(url)
70            if self.GOOGLE_URL in url.lower():
71                break
72        else:
73            raise error.TestFail('There is no google.com opened in tabs.')
74