sdk/platform-tools/systrace/catapult/telemetry/telemetry/internal/platform/power_monitor/msr_power_monitor_unittest.py

   1 # Copyright 2014 The Chromium 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 import logging
   6 import time
   7 import unittest
   8
   9 from telemetry import decorators
  10 from telemetry.internal.platform.power_monitor import msr_power_monitor
  11 from telemetry.internal.platform import win_platform_backend
  12
  13
  14 class MsrPowerMonitorTest(unittest.TestCase):
  15   @decorators.Enabled('xp', 'win7', 'win8')  # http://crbug.com/479337
  16   def testMsrRuns(self):
  17     platform_backend = win_platform_backend.WinPlatformBackend()
  18     power_monitor = msr_power_monitor.MsrPowerMonitorWin(platform_backend)
  19     if not power_monitor.CanMonitorPower():
  20       logging.warning('Test not supported on this platform.')
  21       return
  22
  23     power_monitor.StartMonitoringPower(None)
  24     time.sleep(0.01)
  25     statistics = power_monitor.StopMonitoringPower()
  26
  27     self.assertEqual(statistics['identifier'], 'msr')
  28     self.assertIn('energy_consumption_mwh', statistics)
  29     self.assertGreater(statistics['energy_consumption_mwh'], 0)