1# Lint as: python2, python3 2# Copyright (c) 2011 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 __future__ import absolute_import 7from __future__ import division 8from __future__ import print_function 9 10import logging 11import socket 12import time 13 14from six.moves import range 15 16import six.moves.urllib.parse 17 18from autotest_lib.client.bin import test 19from autotest_lib.client.common_lib import error 20from autotest_lib.client.cros import network 21from autotest_lib.client.cros.networking import shill_context 22from autotest_lib.client.cros.networking import shill_proxy 23 24 25# Default timeouts in seconds 26CONNECT_TIMEOUT = 120 27DISCONNECT_TIMEOUT = 60 28 29PORTAL_URL_PATTERN = ('https://quickaccess.verizonwireless.com/' 30 'images_b2c/shared/nav/vz_logo_quickaccess.jpg?foo=%d') 31 32 33class cellular_Smoke(test.test): 34 """ 35 Tests that 3G modem can connect to the network 36 37 The test attempts to connect using the 3G network. The test then 38 disconnects from the network, and verifies that the modem still 39 responds to modem manager DBUS API calls. It repeats the 40 connect/disconnect sequence several times. 41 42 """ 43 version = 1 44 45 46 def run_once_internal(self): 47 """Executes the test.""" 48 old_modem_info = self.test_env.modem.GetModemProperties() 49 50 for i in range(self.connect_count): 51 device = self.test_env.shill.find_cellular_device_object() 52 if not device: 53 raise error.TestError('No cellular device found.') 54 55 service = self.test_env.shill.wait_for_cellular_service_object() 56 if not service: 57 raise error.TestError('No cellular service found.') 58 59 logging.info('Connecting to service %s', service.object_path) 60 self.test_env.shill.connect_service_synchronous( 61 service, CONNECT_TIMEOUT) 62 63 state = self.test_env.shill.get_dbus_property( 64 service, shill_proxy.ShillProxy.SERVICE_PROPERTY_STATE) 65 logging.info('Service state = %s', state) 66 67 if state == 'portal': 68 url_pattern = PORTAL_URL_PATTERN 69 bytes_to_fetch = 4476 70 elif state == 'online': 71 url_pattern = network.FETCH_URL_PATTERN_FOR_TEST 72 bytes_to_fetch = 64 * 1024 73 else: 74 raise error.TestError('Cellular state not online: %s' % state) 75 76 interface = self.test_env.shill.get_dbus_property( 77 device, shill_proxy.ShillProxy.DEVICE_PROPERTY_INTERFACE) 78 logging.info('Expected interface for %s: %s', 79 service.object_path, interface) 80 network.CheckThatInterfaceCanAccessDestination( 81 six.moves.urllib.parse.urlparse(url_pattern).hostname, interface, 82 [socket.AF_INET, socket.AF_INET6]) 83 84 try: 85 fetch_time = network.FetchUrl(url_pattern, bytes_to_fetch, 86 self.fetch_timeout) 87 except: 88 raise error.TestError('FetchUrl timed out after %d' % 89 self.fetch_timeout) 90 91 self.write_perf_keyval({ 92 'seconds_3G_fetch_time': fetch_time, 93 'bytes_3G_bytes_received': bytes_to_fetch, 94 'bits_second_3G_speed': 8 * bytes_to_fetch / fetch_time 95 }) 96 97 self.test_env.shill.disconnect_service_synchronous( 98 service, DISCONNECT_TIMEOUT) 99 100 # Verify that we can still get information about the modem 101 logging.info('Old modem info: %s', ', '.join(old_modem_info)) 102 new_modem_info = self.test_env.modem.GetModemProperties() 103 if len(new_modem_info) != len(old_modem_info): 104 logging.info('New modem info: %s', ', '.join(new_modem_info)) 105 raise error.TestFail('Test shutdown: ' 106 'failed to leave modem in working state.') 107 108 if self.sleep_kludge: 109 logging.info('Sleeping for %.1f seconds', self.sleep_kludge) 110 time.sleep(self.sleep_kludge) 111 112 113 def run_once(self, 114 test_env, 115 connect_count=5, 116 sleep_kludge=5, 117 fetch_timeout=30): 118 """ Runs the test once """ 119 with test_env, shill_context.ServiceAutoConnectContext( 120 test_env.shill.wait_for_cellular_service_object, False): 121 self.test_env = test_env 122 self.connect_count = connect_count 123 self.sleep_kludge = sleep_kludge 124 self.fetch_timeout = fetch_timeout 125 126 self.run_once_internal() 127
