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      1 # Copyright 2017 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 from autotest_lib.client.common_lib import error
      6 from autotest_lib.client.common_lib.cros.cfm import cras_node_collector
      7 from autotest_lib.client.cros.chameleon import motor_board
      8 from autotest_lib.server.cros.cfm import cfm_base_test
      9 
     10 
     11 class enterprise_CFM_USBSpeakerEndToEndSanity(cfm_base_test.CfmBaseTest):
     12     """Tests the USB speaker buttons work properly."""
     13     version = 1
     14 
     15     def initialize(self, host, usb_speaker):
     16         """
     17         Initializes common test properties.
     18 
     19         @param host: a host object representing the DUT.
     20         @param usb_speaker: The speaker to test.
     21         """
     22         super(enterprise_CFM_USBSpeakerEndToEndSanity, self).initialize(host)
     23         self.motor = self._host.chameleon.get_motor_board()
     24         self.cras_collector = cras_node_collector.CrasNodeCollector(self._host)
     25         self.usb_speaker = usb_speaker
     26 
     27     def _get_cras_output_node_volumes(self, speaker_name):
     28         """
     29         Gets the volume values for all output nodes with the specified name.
     30 
     31         @param speaker_name: The name of the speaker output node.
     32         @returns A list volume values.
     33         """
     34         nodes = self.cras_collector.get_output_nodes()
     35         return [n.volume for n in nodes if speaker_name in n.device_name]
     36 
     37     def test_increase_volume_button_on_speaker(self):
     38         """Tests that pressing the VOL_UP button increases the volume."""
     39         old_cras_volumes = self._get_cras_output_node_volumes(
     40             self.usb_speaker.product)
     41 
     42         self.motor.Touch(motor_board.ButtonFunction.VOL_UP)
     43         self.motor.Release(motor_board.ButtonFunction.VOL_UP)
     44 
     45         new_cras_volumes = self._get_cras_output_node_volumes(
     46             self.usb_speaker.product)
     47 
     48         # List comparison is done elemenet by element.
     49         if not new_cras_volumes > old_cras_volumes:
     50             raise error.TestFail('Speaker volume increase not reflected in '
     51                                  'cras volume output. Volume before button '
     52                                  'press: %s; volume after button press: %s.'
     53                                  % (old_cras_volumes, new_cras_volumes))
     54 
     55     def test_decrease_volume_button_on_speaker(self):
     56         """Tests that pressing the VOL_DOWN button decreases the volume."""
     57         old_cras_volumes = self._get_cras_output_node_volumes(
     58             self.usb_speaker.product)
     59 
     60         self.motor.Touch(motor_board.ButtonFunction.VOL_DOWN)
     61         self.motor.Release(motor_board.ButtonFunction.VOL_DOWN)
     62 
     63         new_cras_volumes = self._get_cras_output_node_volumes(
     64             self.usb_speaker.product)
     65 
     66         # List comparison is done elemenet by element.
     67         if not new_cras_volumes < old_cras_volumes:
     68             raise error.TestFail('Speaker volume decrease not reflected in '
     69                                  'cras volume output. Volume before button '
     70                                  'press: %s; volume after button press: %s.'
     71                                  % (old_cras_volumes, new_cras_volumes))
     72 
     73     def test_call_hangup_button_on_speaker(self):
     74         """Tests the HANG_UP button works."""
     75         self.motor.Touch(motor_board.ButtonFunction.HANG_UP)
     76         self.motor.Release(motor_board.ButtonFunction.HANG_UP)
     77 
     78     def test_call_button_on_speaker(self):
     79         """Tests the CALL button works."""
     80         self.motor.Touch(motor_board.ButtonFunction.CALL)
     81         self.motor.Release(motor_board.ButtonFunction.CALL)
     82 
     83     def test_mute_button_on_speaker(self):
     84         """Tests the MUTE button works."""
     85         self.motor.Touch(motor_board.ButtonFunction.MUTE)
     86         self.motor.Release(motor_board.ButtonFunction.MUTE)
     87 
     88     def run_once(self):
     89         """Runs the test."""
     90         self.test_increase_volume_button_on_speaker()
     91         self.test_decrease_volume_button_on_speaker()
     92         self.test_call_hangup_button_on_speaker()
     93         self.test_call_button_on_speaker()
     94         self.test_mute_button_on_speaker()
     95