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      1 # Copyright (c) 2011 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 dbus
      6 
      7 from autotest_lib.client.bin import test
      8 from autotest_lib.client.common_lib import error
      9 
     10 class platform_DebugDaemonPing(test.test):
     11     version = 1
     12 
     13     def run_once(self, *args, **kwargs):
     14         bus = dbus.SystemBus()
     15         proxy = bus.get_object('org.chromium.debugd', '/org/chromium/debugd')
     16         self.iface = dbus.Interface(proxy,
     17                                     dbus_interface='org.chromium.debugd')
     18         handle = self.iface.PingStart(1, "127.0.0.1", {})
     19         self.iface.PingStop(handle)
     20         got_exception = False
     21         try:
     22             self.iface.PingStop(handle)
     23         except dbus.DBusException as e:
     24             if e.get_dbus_name() == 'org.chromium.debugd.error.NoSuchProcess':
     25                 got_exception = True
     26             else:
     27                 print "Unexpected exception %s" % e.get_dbus_name()
     28         if not got_exception:
     29             raise error.TestFail("Didn't get expected exception.")
     30