1 # Copyright (c) 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 import logging 6 7 from autotest_lib.client.bin import utils 8 from autotest_lib.client.common_lib import error 9 from autotest_lib.client.cros.bluetooth import bluetooth_semiauto_helper 10 11 12 class bluetooth_AdapterSanity( 13 bluetooth_semiauto_helper.BluetoothSemiAutoHelper): 14 """Checks whether the Bluetooth adapter is present and working.""" 15 version = 1 16 17 def _find_kernel_errors(self): 18 """Fail test for any suspicious log entries from kernel. 19 20 Ignore some known errors in order to find new ones. 21 22 """ 23 fail_terms = ['[^a-z]err[^a-z]'] 24 ignore_terms = ['RFKILL control', '"Service Changed" characteristic'] 25 26 log_cmd = 'grep -i bluetooth /var/log/messages' 27 for term in ignore_terms: 28 log_cmd += ' | grep -v \'%s\'' % term 29 30 for term in fail_terms: 31 search_cmd = '%s | grep -i \'%s\'' % (log_cmd, term) 32 log_entries = utils.run(search_cmd, ignore_status=True).stdout 33 if len(log_entries) > 0: 34 log_entries.split('\n') 35 logging.info(log_entries) 36 self.collect_logs('Bluetooth kernel error') 37 raise error.TestFail('Bluetooth kernel error found!') 38 39 def warmup(self): 40 """Overwrite parent warmup; no need to log in.""" 41 pass 42 43 def run_once(self): 44 """Entry point of this test.""" 45 if not self.supports_bluetooth(): 46 return 47 48 # Start btmon running. 49 self.start_dump() 50 51 self.poll_adapter_presence() 52 53 # Enable then disable adapter. 54 self.set_adapter_power(True) 55 self.set_adapter_power(False) 56 57 # Check for errors in logs. 58 self._find_kernel_errors() 59