1# Lint as: python2, python3 2# Copyright 2017 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 6from autotest_lib.client.bin import test 7from autotest_lib.client.common_lib import error 8from autotest_lib.client.cros.audio import alsa_utils 9 10 11class audio_Aconnect(test.test): 12 """Checks that the MIDI seq kernel interface is accessible.""" 13 version = 1 14 15 16 def run_once(self): 17 """Ensure we can access at least 1 seq client. 18 19 A properly functioning seq system has at least the System 20 client. 21 """ 22 23 if alsa_utils.get_num_seq_clients() == 0: 24 raise error.TestFail('There is no MIDI seq client') 25