# Copyright (c) 2012 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.

AUTHOR = "Chrome OS Team"
NAME = "Power Requirements tests"
SUITE = "power_requirements"
TIME = "LONG"
TEST_CATEGORY = "Functional"
TEST_CLASS = "suite"
TEST_TYPE = "server"

DOC = """
This test suite runs automated power tests that should all pass. These tests
take a long time (several hours) to run and are intended to ensure that the DUT
complies with the power subsection of our CrOS Requirements doc.

Current tests with runtimes are:
  power_BatteryCharge : <= 3 hours
  power_Standby       : 12 hours

"""
# TODO(tbroch) Deprecate this control file when SUITES= mechanism detailed @
#    https://sites.google.com/a/chromium.org/dev/chromium-os/testing/test-suites
#    has ability to assure power states pre/post conditions.
from autotest_lib.server import site_host_attributes
from autotest_lib.client.common_lib import error

def _run_client_test(machine):
    client = hosts.create_host(machine)
    client_attributes = site_host_attributes.HostAttributes(machine)
    client_at = autotest.Autotest(client)
    if client.has_power():
        client.power_on()
    else:
        raise error.TestNAError("No power switch configured")

    # 50% charge should be ample for 12hr Standby test
    client_at.run_test('power_BatteryCharge', percent_target_charge=50,
                     max_run_time=60*60*3, tag='CHARGE_50')

    client.power_off()
    try:
        client_at.run_test('power_Standby', test_hours=12.0, sample_hours=1.0,
                           constraints=['milliwatts_standby_power <= 500.0'],
                           max_milliwatts_standby=500.0)
    finally:
        client.power_on()

job.parallel_on_machines(_run_client_test, machines)