src/tools/telemetry/telemetry/core/platform/mac_platform_backend_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 os
   6 import unittest
   7
   8 from telemetry import benchmark
   9 from telemetry.core import platform as platform_module
  10 from telemetry.core.platform import platform_backend
  11
  12
  13 class MacPlatformBackendTest(unittest.TestCase):
  14   def testVersionCamparison(self):
  15     self.assertGreater(platform_backend.MAVERICKS,
  16                        platform_backend.SNOWLEOPARD)
  17     self.assertGreater(platform_backend.LION,
  18                        platform_backend.LEOPARD)
  19     self.assertEqual(platform_backend.MAVERICKS, 'mavericks')
  20     self.assertEqual('%s2' % platform_backend.MAVERICKS, 'mavericks2')
  21     self.assertEqual(''.join([platform_backend.MAVERICKS, '2']),
  22                      'mavericks2')
  23     self.assertEqual(platform_backend.LION.upper(), 'LION')
  24
  25   @benchmark.Enabled('mac')
  26   def testGetCPUStats(self):
  27     platform = platform_module.GetHostPlatform()
  28
  29     backend = platform._platform_backend # pylint: disable=W0212
  30
  31     cpu_stats = backend.GetCpuStats(os.getpid())
  32     self.assertGreater(cpu_stats['CpuProcessTime'], 0)
  33     self.assertTrue(cpu_stats.has_key('ContextSwitches'))
  34     if backend.GetOSVersionName() >= platform_backend.MAVERICKS:
  35       self.assertTrue(cpu_stats.has_key('IdleWakeupCount'))