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1# Copyright 2015 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"""This is a server side test to check nodes created for internal card."""
5
6from autotest_lib.client.cros.chameleon import audio_test_utils
7from autotest_lib.server.cros.audio import audio_test
8
9
10class audio_InternalCardNodes(audio_test.AudioTest):
11    """Server side test to check audio nodes for internal card.
12
13    This test talks to a Chameleon board and a Cros device to verify
14    audio nodes created for internal cards are correct.
15
16    """
17    version = 1
18    _jack_plugger = None
19
20    def cleanup(self):
21        """Cleanup for this test."""
22        if self._jack_plugger is not None:
23            self._jack_plugger.plug()
24        super(audio_InternalCardNodes, self).cleanup()
25
26    def get_expected_nodes(self, plugged):
27        """Gets expected nodes should should be created for internal cards.
28
29        @param plugged: True for plugged state, false otherwise.
30        @returns:
31            a tuple (output, input) containing lists of expected input and
32            output nodes.
33        """
34        nodes = ([], ['POST_DSP_LOOPBACK', 'POST_MIX_LOOPBACK'])
35        if plugged:
36            # Checks whether line-out or headphone is detected.
37            hp_jack_node_type = audio_test_utils.check_hp_or_lineout_plugged(
38                    self.facade)
39            nodes[0].append(hp_jack_node_type)
40            nodes[1].append('MIC')
41        if audio_test_utils.has_internal_speaker(self.host):
42            nodes[0].append('INTERNAL_SPEAKER')
43        if audio_test_utils.has_internal_microphone(self.host):
44            nodes[1].extend(
45                    audio_test_utils.get_plugged_internal_mics(self.host))
46        if audio_test_utils.has_hotwording(self.host):
47            nodes[1].append('HOTWORD')
48        if audio_test_utils.has_echo_reference(self.host):
49            nodes[1].append('ECHO_REFERENCE')
50        return nodes
51
52    def run_once(self, plug=True):
53        """Runs InternalCardNodes test."""
54        if not audio_test_utils.has_audio_jack(self.host):
55            audio_test_utils.check_plugged_nodes(
56                    self.facade, self.get_expected_nodes(False))
57            return
58
59        if not plug:
60            self._jack_plugger = self.host.chameleon.get_audio_board(
61            ).get_jack_plugger()
62            self._jack_plugger.unplug()
63
64        audio_test_utils.check_plugged_nodes(self.facade,
65                                             self.get_expected_nodes(plug))
66