| # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import logging |
| |
| from autotest_lib.client.common_lib.cros.network import xmlrpc_datatypes |
| from autotest_lib.server.cros.network import hostap_config |
| from autotest_lib.server.cros.network import wifi_cell_test_base |
| |
| |
| class network_WiFi_Powersave(wifi_cell_test_base.WiFiCellTestBase): |
| """Test that we can enter and exit powersave mode without issue.""" |
| version = 1 |
| |
| def check_powersave(self, should_be_on): |
| """Raises an exception if powersave value is other than expected. |
| |
| @param should_be_on: bool True iff powersave mode should be on |
| for the WiFi Phy on the device under test. |
| |
| """ |
| expected_state = 'enabled' if should_be_on else 'disabled' |
| if should_be_on != self.context.client.powersave_on: |
| raise error.TestFail('Expected powersave mode to be %s but it ' |
| 'was not.' % expected_state) |
| |
| logging.debug('Power save is indeed %s.', expected_state) |
| |
| |
| def run_once(self): |
| """Test body. |
| |
| Powersave mode takes advantage of DTIM intervals, and so the two |
| are intimately tied. See network_WiFi_DTIMPeriod for a discussion |
| of their interaction. |
| |
| """ |
| dtim_val = 5 |
| configuration = hostap_config.HostapConfig( |
| frequency=2437, |
| mode=hostap_config.HostapConfig.MODE_11G, |
| dtim_period=dtim_val) |
| self.context.configure(configuration) |
| self.check_powersave(False) |
| assoc_params = xmlrpc_datatypes.AssociationParameters() |
| assoc_params.ssid = self.context.router.get_ssid() |
| self.context.client.powersave_switch(True) |
| self.check_powersave(True) |
| self.context.assert_connect_wifi(assoc_params) |
| self.context.assert_ping_from_dut() |
| self.context.assert_ping_from_server() |
| self.context.client.shill.disconnect(assoc_params.ssid) |
| self.context.client.powersave_switch(False) |
| self.check_powersave(False) |
| self.context.router.deconfig() |
