47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
# Copyright 2019 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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from autotest_lib.server import autotest
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from autotest_lib.server.cros.enterprise import device_policy_test
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from autotest_lib.server.cros.power import servo_charger, utils
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class policy_DeviceChargingServer(device_policy_test.DevicePolicyServerTest):
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"""
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A variant of DevicePolicyServerTest that verifies charging policy behavior.
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As of this writing, these features are only present on the Wilco platform.
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It requires a Servo v4 USB-C and Servo Micro attached to the DUT.
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"""
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version = 1
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# To be in a testable state, the DUT has to have low enough battery that
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# it can charge. Let's give ourselves a buffer for when the battery
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# inevitably charges a bit in the middle of the test.
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MAX_BATTERY_LEVEL = 95
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# Allow 15 minutes for battery to charge or drain to the needed range.
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BATTERY_CHANGE_TIMEOUT = 15 * 60
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def run_once(self, host, client_test, test_cases, min_battery_level,
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prep_policies):
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"""
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Ensures the DUT's battery level is low enough to charge and above the
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specified level, and then runs the specified client test. Assumes any
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TPM stuff is dealt with in the parent class.
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"""
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utils.put_host_battery_in_range(host, min_battery_level,
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self.MAX_BATTERY_LEVEL,
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self.BATTERY_CHANGE_TIMEOUT)
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charger = servo_charger.ServoV4ChargeManager(host, host.servo)
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charger.start_charging()
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autotest_client = autotest.Autotest(host)
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autotest_client.run_test(
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client_test,
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check_client_result=True,
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test_cases=test_cases,
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min_battery_level=min_battery_level,
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prep_policies=prep_policies)
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