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      1 # Copyright (c) 2012 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 AUTHOR = "Chrome OS Team"
      6 NAME = "Power Requirements tests"
      7 ATTRIBUTES = "suite:power_requirements"
      8 TIME = "LONG"
      9 TEST_CATEGORY = "Functional"
     10 TEST_CLASS = "suite"
     11 TEST_TYPE = "server"
     12 DEPENDENCIES = "rpm"
     13 
     14 DOC = """
     15 This test suite runs automated power tests that should all pass. These tests
     16 take a long time (several hours) to run and are intended to ensure that the DUT
     17 complies with the power subsection of our CrOS Requirements doc.
     18 
     19 Current tests with runtimes are:
     20   power_BatteryCharge : <= 3 hours
     21   power_Standby       : 12 hours
     22 
     23 """
     24 # TODO(tbroch) Deprecate this control file when SUITES= mechanism detailed @
     25 #    https://sites.google.com/a/chromium.org/dev/chromium-os/testing/test-suites
     26 #    has ability to assure power states pre/post conditions.
     27 from autotest_lib.server import site_host_attributes
     28 from autotest_lib.client.common_lib import error
     29 
     30 def _run_client_test(machine):
     31     client = hosts.create_host(machine)
     32     client_attributes = site_host_attributes.HostAttributes(client.hostname)
     33     client_at = autotest.Autotest(client)
     34     if client.has_power():
     35         client.power_on()
     36     else:
     37         raise error.TestNAError("No power switch configured")
     38 
     39     # TODO(tbroch): Add power_Standby here once there's a mechanism to postpone
     40     # autotest server from checking that DUT is still alive via network
     41 
     42     # Run the full 60/20/10/10 load test, draining a full battery
     43     client_at.run_test('power_BatteryCharge', percent_target_charge=100,
     44                        max_run_time=60*60*6, tag='CHARGE_100')
     45     try:
     46         client.power_off()
     47         if hasattr(client_attributes, 'wifi'):
     48             ap, sec, pw = client_attributes.wifi.split(',')
     49             client_at.run_test('power_LoadTest', loop_count=12, loop_time=3600,
     50                                force_wifi=True, wifi_ap=ap, wifi_sec=sec,
     51                                wifi_pw=pw, tag='WIFI_full')
     52         else:
     53             client_at.run_test('power_LoadTest', loop_count=12, loop_time=3600,
     54                                check_network=False, tag='WIRED_full')
     55     finally:
     56         client.power_on()
     57 
     58     # From client/site_tests/suite_HWQual/control.battery_charge_time
     59     max_hours = 3
     60     percent_charge_delta = 94.0
     61     time_limit = max_hours * 60 * 60 * percent_charge_delta / 100.0
     62     # battery must be at least 80% of design capacity
     63     percent_battery_wear_allowed = .20
     64 
     65     client_at.run_test('power_BatteryCharge', tag='full',
     66                  max_run_time=time_limit,
     67                  percent_charge_to_add=100,
     68                  percent_initial_charge_max=5,
     69                  use_design_charge_capacity=False,
     70                  constraints=[
     71                      '1.0 - ah_charge_full / ah_charge_full_design <= %f' %
     72                          percent_battery_wear_allowed,
     73                      'percent_final_charge - percent_initial_charge >= %f' %
     74                          percent_charge_delta,
     75                  ])
     76 
     77 job.parallel_on_machines(_run_client_test, machines)
     78