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 5 import common 6 from autotest_lib.client.common_lib import error 7 from autotest_lib.server import test 8 9 10 _DEFAULT_PING_HOST = 'www.google.com' 11 _DEFAULT_PING_COUNT = 4 12 _DEFAULT_PING_TIMEOUT = 4 13 14 15 class brillo_PingTest(test.test): 16 """Ping an Internet host.""" 17 version = 1 18 19 def run_once(self, host=None, ping_host=_DEFAULT_PING_HOST, 20 ping_count=_DEFAULT_PING_COUNT, 21 ping_timeout=_DEFAULT_PING_TIMEOUT): 22 """Pings an Internet host with given timeout and count values. 23 24 @param host: A host object representing the DUT. 25 @param ping_host: The Internet host to ping. 26 @param ping_count: The number of pings to attempt. The test passes if 27 we get at least one reply. 28 @param ping_timeout: The number of seconds to wait for a reply. 29 30 @raise TestFail: The test failed. 31 """ 32 cmd = 'ping -q -c %s -W %s %s' % (ping_count, ping_timeout, ping_host) 33 try: 34 host.run(cmd) 35 except error.AutoservRunError: 36 raise error.TestFail( 37 'Failed to ping %s in %d seconds on all %d attempts' % 38 (ping_host, ping_timeout, ping_count)) 39
