[Android] Move some pylib modules into devil/

build/android/pylib/device/battery_utils_test.py

-#!/usr/bin/env python
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""
-Unit tests for the contents of battery_utils.py
-"""
-
-# pylint: disable=W0613
-
-import logging
-import os
-import sys
-import unittest
-
-from pylib import constants
-from pylib.device import battery_utils
-from pylib.device import device_errors
-from pylib.device import device_utils
-from pylib.device import device_utils_test
-from pylib.utils import mock_calls
-
-sys.path.append(os.path.join(
-    constants.DIR_SOURCE_ROOT, 'third_party', 'pymock'))
-import mock # pylint: disable=F0401
-
-_DUMPSYS_OUTPUT = [
-    '9,0,i,uid,1000,test_package1',
-    '9,0,i,uid,1001,test_package2',
-    '9,1000,l,pwi,uid,1',
-    '9,1001,l,pwi,uid,2'
-]
-
-
-class BatteryUtilsTest(mock_calls.TestCase):
-
-  _NEXUS_5 = {
-    'name': 'Nexus 5',
-    'witness_file': '/sys/kernel/debug/bq24192/INPUT_SRC_CONT',
-    'enable_command': (
-        'echo 0x4A > /sys/kernel/debug/bq24192/INPUT_SRC_CONT && '
-        'echo 1 > /sys/class/power_supply/usb/online'),
-    'disable_command': (
-        'echo 0xCA > /sys/kernel/debug/bq24192/INPUT_SRC_CONT && '
-        'chmod 644 /sys/class/power_supply/usb/online && '
-        'echo 0 > /sys/class/power_supply/usb/online'),
-    'charge_counter': None,
-    'voltage': None,
-    'current': None,
-  }
-
-  _NEXUS_6 = {
-    'name': 'Nexus 6',
-    'witness_file': None,
-    'enable_command': None,
-    'disable_command': None,
-    'charge_counter': (
-        '/sys/class/power_supply/max170xx_battery/charge_counter_ext'),
-    'voltage': '/sys/class/power_supply/max170xx_battery/voltage_now',
-    'current': '/sys/class/power_supply/max170xx_battery/current_now',
-  }
-
-  _NEXUS_10 = {
-    'name': 'Nexus 10',
-    'witness_file': None,
-    'enable_command': None,
-    'disable_command': None,
-    'charge_counter': (
-        '/sys/class/power_supply/ds2784-fuelgauge/charge_counter_ext'),
-    'voltage': '/sys/class/power_supply/ds2784-fuelgauge/voltage_now',
-    'current': '/sys/class/power_supply/ds2784-fuelgauge/current_now',
-  }
-
-  def ShellError(self, output=None, status=1):
-    def action(cmd, *args, **kwargs):
-      raise device_errors.AdbShellCommandFailedError(
-          cmd, output, status, str(self.device))
-    if output is None:
-      output = 'Permission denied\n'
-    return action
-
-  def setUp(self):
-    self.adb = device_utils_test._AdbWrapperMock('0123456789abcdef')
-    self.device = device_utils.DeviceUtils(
-        self.adb, default_timeout=10, default_retries=0)
-    self.watchMethodCalls(self.call.adb, ignore=['GetDeviceSerial'])
-    self.battery = battery_utils.BatteryUtils(
-        self.device, default_timeout=10, default_retries=0)
-
-
-class BatteryUtilsInitTest(unittest.TestCase):
-
-  def testInitWithDeviceUtil(self):
-    serial = '0fedcba987654321'
-    d = device_utils.DeviceUtils(serial)
-    b = battery_utils.BatteryUtils(d)
-    self.assertEqual(d, b._device)
-
-  def testInitWithMissing_fails(self):
-    with self.assertRaises(TypeError):
-      battery_utils.BatteryUtils(None)
-    with self.assertRaises(TypeError):
-      battery_utils.BatteryUtils('')
-
-
-class BatteryUtilsSetChargingTest(BatteryUtilsTest):
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testSetCharging_enabled(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            mock.ANY, check_return=True, as_root=True, large_output=True), []),
-        (self.call.battery.GetCharging(), False),
-        (self.call.battery.GetCharging(), True)):
-      self.battery.SetCharging(True)
-
-  def testSetCharging_alreadyEnabled(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            mock.ANY, check_return=True, as_root=True, large_output=True), []),
-        (self.call.battery.GetCharging(), True)):
-      self.battery.SetCharging(True)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testSetCharging_disabled(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            mock.ANY, check_return=True, as_root=True, large_output=True), []),
-        (self.call.battery.GetCharging(), True),
-        (self.call.battery.GetCharging(), False)):
-      self.battery.SetCharging(False)
-
-
-class BatteryUtilsSetBatteryMeasurementTest(BatteryUtilsTest):
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testBatteryMeasurementWifi(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            mock.ANY, retries=0, single_line=True,
-            timeout=10, check_return=True), '22'),
-        (self.call.battery._ClearPowerData(), True),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'ac', '0'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'usb', '0'], check_return=True), []),
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'reset'], check_return=True), []),
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery'], check_return=True), ['UPDATES STOPPED']),
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery'], check_return=True), [])):
-      with self.battery.BatteryMeasurement():
-        pass
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testBatteryMeasurementUsb(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            mock.ANY, retries=0, single_line=True,
-            timeout=10, check_return=True), '22'),
-        (self.call.battery._ClearPowerData(), True),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'ac', '0'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'usb', '0'], check_return=True), []),
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'reset'], check_return=True), []),
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery'], check_return=True), ['UPDATES STOPPED']),
-        (self.call.battery.GetCharging(), True)):
-      with self.battery.BatteryMeasurement():
-        pass
-
-
-class BatteryUtilsGetPowerData(BatteryUtilsTest):
-
-  def testGetPowerData(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '-c'],
-            check_return=True, large_output=True),
-         _DUMPSYS_OUTPUT)):
-      data = self.battery.GetPowerData()
-      check = {
-          'test_package1': {'uid': '1000', 'data': [1.0]},
-          'test_package2': {'uid': '1001', 'data': [2.0]}
-      }
-      self.assertEqual(data, check)
-
-  def testGetPowerData_packageCollisionSame(self):
-      self.battery._cache['uids'] = {'test_package1': '1000'}
-      with self.assertCall(
-          self.call.device.RunShellCommand(
-              ['dumpsys', 'batterystats', '-c'],
-              check_return=True, large_output=True),
-          _DUMPSYS_OUTPUT):
-        data = self.battery.GetPowerData()
-        check = {
-            'test_package1': {'uid': '1000', 'data': [1.0]},
-            'test_package2': {'uid': '1001', 'data': [2.0]}
-        }
-        self.assertEqual(data, check)
-
-  def testGetPowerData_packageCollisionDifferent(self):
-      self.battery._cache['uids'] = {'test_package1': '1'}
-      with self.assertCall(
-          self.call.device.RunShellCommand(
-              ['dumpsys', 'batterystats', '-c'],
-              check_return=True, large_output=True),
-          _DUMPSYS_OUTPUT):
-        with self.assertRaises(device_errors.CommandFailedError):
-          self.battery.GetPowerData()
-
-  def testGetPowerData_cacheCleared(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '-c'],
-            check_return=True, large_output=True),
-         _DUMPSYS_OUTPUT)):
-      self.battery._cache.clear()
-      data = self.battery.GetPowerData()
-      check = {
-          'test_package1': {'uid': '1000', 'data': [1.0]},
-          'test_package2': {'uid': '1001', 'data': [2.0]}
-      }
-      self.assertEqual(data, check)
-
-  def testGetPackagePowerData(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '-c'],
-            check_return=True, large_output=True),
-         _DUMPSYS_OUTPUT)):
-      data = self.battery.GetPackagePowerData('test_package2')
-      self.assertEqual(data, {'uid': '1001', 'data': [2.0]})
-
-  def testGetPackagePowerData_badPackage(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '-c'],
-            check_return=True, large_output=True),
-         _DUMPSYS_OUTPUT)):
-      data = self.battery.GetPackagePowerData('not_a_package')
-      self.assertEqual(data, None)
-
-
-class BatteryUtilsChargeDevice(BatteryUtilsTest):
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testChargeDeviceToLevel(self):
-    with self.assertCalls(
-        (self.call.battery.SetCharging(True)),
-        (self.call.battery.GetBatteryInfo(), {'level': '50'}),
-        (self.call.battery.GetBatteryInfo(), {'level': '100'})):
-      self.battery.ChargeDeviceToLevel(95)
-
-
-class BatteryUtilsDischargeDevice(BatteryUtilsTest):
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testDischargeDevice_exact(self):
-    with self.assertCalls(
-        (self.call.battery.GetBatteryInfo(), {'level': '100'}),
-        (self.call.battery.SetCharging(False)),
-        (self.call.battery.SetCharging(True)),
-        (self.call.battery.GetBatteryInfo(), {'level': '99'})):
-      self.battery._DischargeDevice(1)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testDischargeDevice_over(self):
-    with self.assertCalls(
-        (self.call.battery.GetBatteryInfo(), {'level': '100'}),
-        (self.call.battery.SetCharging(False)),
-        (self.call.battery.SetCharging(True)),
-        (self.call.battery.GetBatteryInfo(), {'level': '50'})):
-      self.battery._DischargeDevice(1)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testDischargeDevice_takeslong(self):
-    with self.assertCalls(
-        (self.call.battery.GetBatteryInfo(), {'level': '100'}),
-        (self.call.battery.SetCharging(False)),
-        (self.call.battery.SetCharging(True)),
-        (self.call.battery.GetBatteryInfo(), {'level': '100'}),
-        (self.call.battery.SetCharging(False)),
-        (self.call.battery.SetCharging(True)),
-        (self.call.battery.GetBatteryInfo(), {'level': '99'}),
-        (self.call.battery.SetCharging(False)),
-        (self.call.battery.SetCharging(True)),
-        (self.call.battery.GetBatteryInfo(), {'level': '98'}),
-        (self.call.battery.SetCharging(False)),
-        (self.call.battery.SetCharging(True)),
-        (self.call.battery.GetBatteryInfo(), {'level': '97'})):
-      self.battery._DischargeDevice(3)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testDischargeDevice_dischargeTooClose(self):
-    with self.assertCalls(
-        (self.call.battery.GetBatteryInfo(), {'level': '100'})):
-      self.battery._DischargeDevice(99)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testDischargeDevice_percentageOutOfBounds(self):
-    with self.assertCalls(
-        (self.call.battery.GetBatteryInfo(), {'level': '100'})):
-      with self.assertRaises(ValueError):
-          self.battery._DischargeDevice(100)
-    with self.assertCalls(
-        (self.call.battery.GetBatteryInfo(), {'level': '100'})):
-      with self.assertRaises(ValueError):
-          self.battery._DischargeDevice(0)
-
-
-class BatteryUtilsGetBatteryInfoTest(BatteryUtilsTest):
-
-  def testGetBatteryInfo_normal(self):
-    with self.assertCall(
-        self.call.device.RunShellCommand(
-            ['dumpsys', 'battery'], check_return=True),
-        [
-          'Current Battery Service state:',
-          '  AC powered: false',
-          '  USB powered: true',
-          '  level: 100',
-          '  temperature: 321',
-        ]):
-      self.assertEquals(
-          {
-            'AC powered': 'false',
-            'USB powered': 'true',
-            'level': '100',
-            'temperature': '321',
-          },
-          self.battery.GetBatteryInfo())
-
-  def testGetBatteryInfo_nothing(self):
-    with self.assertCall(
-        self.call.device.RunShellCommand(
-            ['dumpsys', 'battery'], check_return=True), []):
-      self.assertEquals({}, self.battery.GetBatteryInfo())
-
-
-class BatteryUtilsGetChargingTest(BatteryUtilsTest):
-
-  def testGetCharging_usb(self):
-    with self.assertCall(
-        self.call.battery.GetBatteryInfo(), {'USB powered': 'true'}):
-      self.assertTrue(self.battery.GetCharging())
-
-  def testGetCharging_usbFalse(self):
-    with self.assertCall(
-        self.call.battery.GetBatteryInfo(), {'USB powered': 'false'}):
-      self.assertFalse(self.battery.GetCharging())
-
-  def testGetCharging_ac(self):
-    with self.assertCall(
-        self.call.battery.GetBatteryInfo(), {'AC powered': 'true'}):
-      self.assertTrue(self.battery.GetCharging())
-
-  def testGetCharging_wireless(self):
-    with self.assertCall(
-        self.call.battery.GetBatteryInfo(), {'Wireless powered': 'true'}):
-      self.assertTrue(self.battery.GetCharging())
-
-  def testGetCharging_unknown(self):
-    with self.assertCall(
-        self.call.battery.GetBatteryInfo(), {'level': '42'}):
-      self.assertFalse(self.battery.GetCharging())
-
-
-class BatteryUtilsGetNetworkDataTest(BatteryUtilsTest):
-
-  def testGetNetworkData_noDataUsage(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '-c'],
-            check_return=True, large_output=True),
-         _DUMPSYS_OUTPUT),
-        (self.call.device.ReadFile('/proc/uid_stat/1000/tcp_snd'),
-            self.ShellError()),
-        (self.call.device.ReadFile('/proc/uid_stat/1000/tcp_rcv'),
-            self.ShellError())):
-      self.assertEquals(self.battery.GetNetworkData('test_package1'), (0, 0))
-
-  def testGetNetworkData_badPackage(self):
-    with self.assertCall(
-        self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '-c'],
-            check_return=True, large_output=True),
-        _DUMPSYS_OUTPUT):
-      self.assertEqual(self.battery.GetNetworkData('asdf'), None)
-
-  def testGetNetworkData_packageNotCached(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '-c'],
-            check_return=True, large_output=True),
-         _DUMPSYS_OUTPUT),
-        (self.call.device.ReadFile('/proc/uid_stat/1000/tcp_snd'), 1),
-        (self.call.device.ReadFile('/proc/uid_stat/1000/tcp_rcv'), 2)):
-      self.assertEqual(self.battery.GetNetworkData('test_package1'), (1,2))
-
-  def testGetNetworkData_packageCached(self):
-    self.battery._cache['uids'] = {'test_package1': '1000'}
-    with self.assertCalls(
-        (self.call.device.ReadFile('/proc/uid_stat/1000/tcp_snd'), 1),
-        (self.call.device.ReadFile('/proc/uid_stat/1000/tcp_rcv'), 2)):
-      self.assertEqual(self.battery.GetNetworkData('test_package1'), (1,2))
-
-  def testGetNetworkData_clearedCache(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '-c'],
-            check_return=True, large_output=True),
-         _DUMPSYS_OUTPUT),
-        (self.call.device.ReadFile('/proc/uid_stat/1000/tcp_snd'), 1),
-        (self.call.device.ReadFile('/proc/uid_stat/1000/tcp_rcv'), 2)):
-      self.battery._cache.clear()
-      self.assertEqual(self.battery.GetNetworkData('test_package1'), (1,2))
-
-
-class BatteryUtilsLetBatteryCoolToTemperatureTest(BatteryUtilsTest):
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testLetBatteryCoolToTemperature_startUnder(self):
-    self.battery._cache['profile'] = self._NEXUS_6
-    with self.assertCalls(
-        (self.call.battery.EnableBatteryUpdates(), []),
-        (self.call.battery.GetBatteryInfo(), {'temperature': '500'})):
-      self.battery.LetBatteryCoolToTemperature(600)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testLetBatteryCoolToTemperature_startOver(self):
-    self.battery._cache['profile'] = self._NEXUS_6
-    with self.assertCalls(
-        (self.call.battery.EnableBatteryUpdates(), []),
-        (self.call.battery.GetBatteryInfo(), {'temperature': '500'}),
-        (self.call.battery.GetBatteryInfo(), {'temperature': '400'})):
-      self.battery.LetBatteryCoolToTemperature(400)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testLetBatteryCoolToTemperature_nexus5Hot(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertCalls(
-        (self.call.battery.EnableBatteryUpdates(), []),
-        (self.call.battery.GetBatteryInfo(), {'temperature': '500'}),
-        (self.call.battery._DischargeDevice(1), []),
-        (self.call.battery.GetBatteryInfo(), {'temperature': '400'})):
-      self.battery.LetBatteryCoolToTemperature(400)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testLetBatteryCoolToTemperature_nexus5Cool(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertCalls(
-        (self.call.battery.EnableBatteryUpdates(), []),
-        (self.call.battery.GetBatteryInfo(), {'temperature': '400'})):
-      self.battery.LetBatteryCoolToTemperature(400)
-
-
-class BatteryUtilsSupportsFuelGaugeTest(BatteryUtilsTest):
-
-  def testSupportsFuelGauge_false(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    self.assertFalse(self.battery.SupportsFuelGauge())
-
-  def testSupportsFuelGauge_trueMax(self):
-    self.battery._cache['profile'] = self._NEXUS_6
-    # TODO(rnephew): Change this to assertTrue when we have support for
-    # disabling hardware charging on nexus 6.
-    self.assertFalse(self.battery.SupportsFuelGauge())
-
-  def testSupportsFuelGauge_trueDS(self):
-    self.battery._cache['profile'] = self._NEXUS_10
-    # TODO(rnephew): Change this to assertTrue when we have support for
-    # disabling hardware charging on nexus 10.
-    self.assertFalse(self.battery.SupportsFuelGauge())
-
-
-class BatteryUtilsGetFuelGaugeChargeCounterTest(BatteryUtilsTest):
-
-  def testGetFuelGaugeChargeCounter_noFuelGauge(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertRaises(device_errors.CommandFailedError):
-        self.battery.GetFuelGaugeChargeCounter()
-
-  def testGetFuelGaugeChargeCounter_fuelGaugePresent(self):
-    self.battery._cache['profile']= self._NEXUS_6
-    with self.assertCalls(
-        (self.call.battery.SupportsFuelGauge(), True),
-        (self.call.device.ReadFile(mock.ANY), '123')):
-      self.assertEqual(self.battery.GetFuelGaugeChargeCounter(), 123)
-
-
-class BatteryUtilsTieredSetCharging(BatteryUtilsTest):
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testTieredSetCharging_softwareSetTrue(self):
-    self.battery._cache['profile'] = self._NEXUS_6
-    with self.assertCalls(
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'reset'], check_return=True), []),
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery'], check_return=True), ['UPDATES STOPPED']),
-        (self.call.battery.GetCharging(), True)):
-      self.battery.TieredSetCharging(True)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testTieredSetCharging_softwareSetFalse(self):
-    self.battery._cache['profile'] = self._NEXUS_6
-    with self.assertCalls(
-        (self.call.battery.GetCharging(), True),
-        (self.call.battery._ClearPowerData(), True),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'ac', '0'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'usb', '0'], check_return=True), []),
-        (self.call.battery.GetCharging(), False)):
-      self.battery.TieredSetCharging(False)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testTieredSetCharging_hardwareSetTrue(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertCalls(
-        (self.call.battery.GetCharging(), False),
-        (self.call.battery.SetCharging(True))):
-      self.battery.TieredSetCharging(True)
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testTieredSetCharging_hardwareSetFalse(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertCalls(
-        (self.call.battery.GetCharging(), True),
-        (self.call.battery._ClearPowerData(), True),
-        (self.call.battery.SetCharging(False))):
-      self.battery.TieredSetCharging(False)
-
-  def testTieredSetCharging_expectedStateAlreadyTrue(self):
-    with self.assertCalls((self.call.battery.GetCharging(), True)):
-      self.battery.TieredSetCharging(True)
-
-  def testTieredSetCharging_expectedStateAlreadyFalse(self):
-    with self.assertCalls((self.call.battery.GetCharging(), False)):
-      self.battery.TieredSetCharging(False)
-
-
-class BatteryUtilsPowerMeasurement(BatteryUtilsTest):
-
-  def testPowerMeasurement_hardware(self):
-    self.battery._cache['profile'] = self._NEXUS_5
-    with self.assertCalls(
-        (self.call.battery.GetCharging(), True),
-        (self.call.battery._ClearPowerData(), True),
-        (self.call.battery.SetCharging(False)),
-        (self.call.battery.GetCharging(), False),
-        (self.call.battery.SetCharging(True))):
-      with self.battery.PowerMeasurement():
-        pass
-
-  @mock.patch('time.sleep', mock.Mock())
-  def testPowerMeasurement_software(self):
-    self.battery._cache['profile'] = self._NEXUS_6
-    with self.assertCalls(
-        (self.call.battery.GetCharging(), True),
-        (self.call.battery._ClearPowerData(), True),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'ac', '0'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'usb', '0'], check_return=True), []),
-        (self.call.battery.GetCharging(), False),
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'reset'], check_return=True), []),
-        (self.call.battery.GetCharging(), False),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery'], check_return=True), ['UPDATES STOPPED']),
-        (self.call.battery.GetCharging(), True)):
-      with self.battery.PowerMeasurement():
-        pass
-
-
-class BatteryUtilsDiscoverDeviceProfile(BatteryUtilsTest):
-
-  def testDiscoverDeviceProfile_known(self):
-    with self.assertCalls(
-        (self.call.adb.Shell('getprop ro.product.model'), "Nexus 4")):
-      self.battery._DiscoverDeviceProfile()
-      self.assertEqual(self.battery._cache['profile']['name'], "Nexus 4")
-
-  def testDiscoverDeviceProfile_unknown(self):
-    with self.assertCalls(
-        (self.call.adb.Shell('getprop ro.product.model'), "Other")):
-      self.battery._DiscoverDeviceProfile()
-      self.assertEqual(self.battery._cache['profile']['name'], None)
-
-
-class BatteryUtilsClearPowerData(BatteryUtilsTest):
-
-  def testClearPowerData_preL(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(mock.ANY, retries=0,
-            single_line=True, timeout=10, check_return=True), '20')):
-      self.assertFalse(self.battery._ClearPowerData())
-
-  def testClearPowerData_clearedL(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(mock.ANY, retries=0,
-            single_line=True, timeout=10, check_return=True), '22'),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'usb', '1'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'ac', '1'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '--reset'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '--charged', '-c'],
-            check_return=True, large_output=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'reset'], check_return=True), [])):
-      self.assertTrue(self.battery._ClearPowerData())
-
-  def testClearPowerData_notClearedL(self):
-    with self.assertCalls(
-        (self.call.device.RunShellCommand(mock.ANY, retries=0,
-            single_line=True, timeout=10, check_return=True), '22'),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'usb', '1'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'set', 'ac', '1'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '--reset'], check_return=True), []),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'batterystats', '--charged', '-c'],
-            check_return=True, large_output=True),
-            ['9,1000,l,pwi,uid,0.0327']),
-        (self.call.device.RunShellCommand(
-            ['dumpsys', 'battery', 'reset'], check_return=True), [])):
-      with self.assertRaises(device_errors.CommandFailedError):
-        self.battery._ClearPowerData()
-
-
-if __name__ == '__main__':
-  logging.getLogger().setLevel(logging.DEBUG)
-  unittest.main(verbosity=2)