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# Copyright 2013 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.
import unittest
from telemetry import decorators
from telemetry.internal.platform import android_device
from telemetry.internal.platform import android_platform_backend
from telemetry.testing import system_stub
import mock
from devil.android import battery_utils
from devil.android import device_utils
class AndroidPlatformBackendTest(unittest.TestCase):
def setUp(self):
self._stubs = system_stub.Override(
android_platform_backend,
['perf_control', 'thermal_throttle'])
# Skip _FixPossibleAdbInstability by setting psutil to None.
self._actual_ps_util = android_platform_backend.psutil
android_platform_backend.psutil = None
self.battery_patcher = mock.patch.object(battery_utils, 'BatteryUtils')
self.battery_patcher.start()
def get_prop(name, cache=None):
del cache # unused
return {'ro.product.cpu.abi': 'armeabi-v7a'}.get(name)
self.device_patcher = mock.patch.multiple(
device_utils.DeviceUtils,
HasRoot=mock.MagicMock(return_value=True),
GetProp=mock.MagicMock(side_effect=get_prop))
self.device_patcher.start()
def tearDown(self):
self._stubs.Restore()
android_platform_backend.psutil = self._actual_ps_util
self.battery_patcher.stop()
self.device_patcher.stop()
@decorators.Disabled('chromeos', 'mac', 'win')
def testIsSvelte(self):
with mock.patch('devil.android.device_utils.DeviceUtils.GetProp',
return_value='svelte'):
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('12345'))
self.assertTrue(backend.IsSvelte())
@decorators.Disabled('chromeos', 'mac', 'win')
def testIsNotSvelte(self):
with mock.patch('devil.android.device_utils.DeviceUtils.GetProp',
return_value='foo'):
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('12345'))
self.assertFalse(backend.IsSvelte())
@decorators.Disabled('chromeos', 'mac', 'win')
def testGetCpuStats(self):
proc_stat_content = (
'7702 (.android.chrome) S 167 167 0 0 -1 1077936448 '
'3247 0 0 0 4 1 0 0 20 0 9 0 5603962 337379328 5867 '
'4294967295 1074458624 1074463824 3197495984 3197494152 '
'1074767676 0 4612 0 38136 4294967295 0 0 17 0 0 0 0 0 0 '
'1074470376 1074470912 1102155776\n')
with mock.patch('devil.android.device_utils.DeviceUtils.ReadFile',
return_value=proc_stat_content):
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('12345'))
cpu_stats = backend.GetCpuStats('7702')
self.assertEquals(cpu_stats, {'CpuProcessTime': 0.05})
@decorators.Disabled('chromeos', 'mac', 'win')
def testGetCpuStatsInvalidPID(self):
# Mock an empty /proc/pid/stat.
with mock.patch('devil.android.device_utils.DeviceUtils.ReadFile',
return_value=''):
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('1234'))
cpu_stats = backend.GetCpuStats('7702')
self.assertEquals(cpu_stats, {})
@decorators.Disabled('chromeos', 'mac', 'win')
def testAndroidParseCpuStates(self):
cstate = {
'cpu0': 'C0\nC1\n103203424\n5342040\n300\n500\n1403232500',
'cpu1': 'C0\n124361858\n300\n1403232500'
}
expected_cstate = {
'cpu0': {
'WFI': 103203424,
'C0': 1403232391454536,
'C1': 5342040
},
'cpu1': {
'WFI': 124361858,
'C0': 1403232375638142
}
}
# Use mock start and end times to allow for the test to calculate C0.
result = android_platform_backend.AndroidPlatformBackend.ParseCStateSample(
cstate)
for cpu in result:
for state in result[cpu]:
self.assertAlmostEqual(result[cpu][state], expected_cstate[cpu][state])
@decorators.Disabled('chromeos', 'mac', 'win')
def testInstallTestCaSuccess(self):
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('success'))
with mock.patch('adb_install_cert.AndroidCertInstaller'):
backend.InstallTestCa('testca.pem')
self.assertIsNotNone(backend._device_cert_util)
backend.RemoveTestCa()
self.assertIsNone(backend._device_cert_util)
@decorators.Disabled('chromeos', 'mac', 'win')
def testIsScreenLockedTrue(self):
test_input = ['a=b', 'mHasBeenInactive=true']
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('success'))
self.assertTrue(backend._IsScreenLocked(test_input))
@decorators.Disabled('chromeos', 'mac', 'win')
def testIsScreenLockedFalse(self):
test_input = ['a=b', 'mHasBeenInactive=false']
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('success'))
self.assertFalse(backend._IsScreenLocked(test_input))
class AndroidPlatformBackendPsutilTest(unittest.TestCase):
class psutil_1_0(object):
version_info = (1, 0)
def __init__(self):
self.set_cpu_affinity_args = []
class Process(object):
def __init__(self, parent):
self._parent = parent
self.name = 'adb'
def set_cpu_affinity(self, cpus):
self._parent.set_cpu_affinity_args.append(cpus)
def process_iter(self):
return [self.Process(self)]
class psutil_2_0(object):
version_info = (2, 0)
def __init__(self):
self.set_cpu_affinity_args = []
class Process(object):
def __init__(self, parent):
self._parent = parent
self.set_cpu_affinity_args = []
def name(self):
return 'adb'
def cpu_affinity(self, cpus=None):
self._parent.set_cpu_affinity_args.append(cpus)
def process_iter(self):
return [self.Process(self)]
def setUp(self):
self._stubs = system_stub.Override(
android_platform_backend,
['perf_control'])
self.battery_patcher = mock.patch.object(battery_utils, 'BatteryUtils')
self.battery_patcher.start()
self._actual_ps_util = android_platform_backend.psutil
def get_prop(name, cache=None):
del cache # unused
return {'ro.product.cpu.abi': 'armeabi-v7a'}.get(name)
self.device_patcher = mock.patch.multiple(
device_utils.DeviceUtils,
FileExists=mock.MagicMock(return_value=False),
GetProp=mock.MagicMock(side_effect=get_prop),
HasRoot=mock.MagicMock(return_value=True))
self.device_patcher.start()
def tearDown(self):
self._stubs.Restore()
android_platform_backend.psutil = self._actual_ps_util
self.battery_patcher.stop()
self.device_patcher.stop()
@decorators.Disabled('chromeos', 'mac', 'win')
def testPsutil1(self):
psutil = self.psutil_1_0()
android_platform_backend.psutil = psutil
# Mock an empty /proc/pid/stat.
with mock.patch('devil.android.device_utils.DeviceUtils.ReadFile',
return_value=''):
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('1234'))
cpu_stats = backend.GetCpuStats('7702')
self.assertEquals({}, cpu_stats)
self.assertEquals([[0]], psutil.set_cpu_affinity_args)
@decorators.Disabled('chromeos', 'mac', 'win')
def testPsutil2(self):
psutil = self.psutil_2_0()
android_platform_backend.psutil = psutil
# Mock an empty /proc/pid/stat.
with mock.patch('devil.android.device_utils.DeviceUtils.ReadFile',
return_value=''):
backend = android_platform_backend.AndroidPlatformBackend(
android_device.AndroidDevice('1234'))
cpu_stats = backend.GetCpuStats('7702')
self.assertEquals({}, cpu_stats)
self.assertEquals([[0]], psutil.set_cpu_affinity_args)
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