1 # Copyright 2015 The Chromium 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.bin import test 6 from autotest_lib.client.common_lib.cros.tendo import buffet_tester 7 8 class buffet_IntermittentConnectivity(test.test): 9 """Test that buffet reconnects if it loses connectivity.""" 10 version = 1 11 12 def initialize(self): 13 self._helper = buffet_tester.BuffetTester() 14 15 16 def run_once(self): 17 """Test entry point.""" 18 # Erase all buffet state and restart it pointing to our fake 19 # server, register with the cloud and check we can poll for 20 # commands. 21 self._helper.restart_buffet(reset_state=True) 22 self._helper.check_buffet_status_is(buffet_tester.STATUS_UNCONFIGURED) 23 device_id = self._helper.register_with_server() 24 self._helper.check_buffet_is_polling(device_id) 25 26 # Now make fake_device_server fail all request from Buffet 27 # with HTTP Error Code 500 (Internal Server Error) and check 28 # that we transition to the CONNECTING state. 29 self._helper._fail_control_client.start_failing_requests() 30 self._helper.check_buffet_status_is( 31 buffet_tester.STATUS_CONNECTING, 32 expected_device_id=device_id, 33 timeout_seconds=20) 34 35 # Stop failing request from and check that we transition to 36 # the CONNECTED state. 37 self._helper._fail_control_client.stop_failing_requests() 38 self._helper.check_buffet_status_is( 39 buffet_tester.STATUS_CONNECTED, 40 expected_device_id=device_id, 41 timeout_seconds=20) 42 self._helper.check_buffet_is_polling(device_id) 43 44 45 def cleanup(self): 46 self._helper.close() 47
