blob: d7339e2507a1fe256358fd0b455c31f826d72b1a [file] [log] [blame]
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright 2019 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unittest for device_setup_utils."""
import time
import unittest
from unittest import mock
from cros_utils import command_executer
from cros_utils import logger
from cros_utils.device_setup_utils import DutWrapper
BIG_LITTLE_CPUINFO = """processor : 0
model name : ARMv8 Processor rev 4 (v8l)
BogoMIPS : 48.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd03
CPU revision : 4
processor : 1
model name : ARMv8 Processor rev 4 (v8l)
BogoMIPS : 48.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd03
CPU revision : 4
processor : 2
model name : ARMv8 Processor rev 2 (v8l)
BogoMIPS : 48.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 2
"""
LITTLE_ONLY_CPUINFO = """processor : 0
model name : ARMv8 Processor rev 4 (v8l)
BogoMIPS : 48.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd03
CPU revision : 4
processor : 1
model name : ARMv8 Processor rev 4 (v8l)
BogoMIPS : 48.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd03
CPU revision : 4
"""
NOT_BIG_LITTLE_CPUINFO = """processor : 0
model name : ARMv7 Processor rev 1 (v7l)
Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpv4
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xc0d
CPU revision : 1
processor : 1
model name : ARMv7 Processor rev 1 (v7l)
Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpv4
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xc0d
CPU revision : 1
Hardware : Rockchip (Device Tree)
Revision : 0000
Serial : 0000000000000000
"""
class DutWrapperTest(unittest.TestCase):
"""Class of DutWrapper test."""
real_logger = logger.GetLogger()
mock_cmd_exec = mock.Mock(spec=command_executer.CommandExecuter)
mock_logger = mock.Mock(spec=logger.Logger)
def __init__(self, *args, **kwargs):
super(DutWrapperTest, self).__init__(*args, **kwargs)
def setUp(self):
self.dw = DutWrapper(
"/tmp/chromeos",
"lumpy.cros2",
log_level="verbose",
logger=self.mock_logger,
ce=self.mock_cmd_exec,
dut_config={},
)
@mock.patch.object(
command_executer.CommandExecuter, "CrosRunCommandWOutput"
)
def test_run_command_on_dut(self, mock_cros_runcmd):
self.mock_cmd_exec.CrosRunCommandWOutput = mock_cros_runcmd
mock_cros_runcmd.return_value = (0, "", "")
mock_cros_runcmd.assert_not_called()
self.dw.RunCommandOnDut("run command;")
mock_cros_runcmd.assert_called_once_with(
"run command;", chromeos_root="/tmp/chromeos", machine="lumpy.cros2"
)
@mock.patch.object(
command_executer.CommandExecuter, "CrosRunCommandWOutput"
)
def test_dut_wrapper_fatal_error(self, mock_cros_runcmd):
self.mock_cmd_exec.CrosRunCommandWOutput = mock_cros_runcmd
# Command returns error 1.
mock_cros_runcmd.return_value = (1, "", "Error!")
mock_cros_runcmd.assert_not_called()
self.dw.RunCommandOnDut("run command;")
mock_cros_runcmd.assert_called_once_with(
"run command;", chromeos_root="/tmp/chromeos", machine="lumpy.cros2"
)
# Error status causes log fatal.
self.assertEqual(
self.mock_logger.method_calls[-1],
mock.call.LogFatal(
"Command execution on DUT lumpy.cros2 failed.\n"
"Failing command: run command;\nreturned 1\n"
"Error message: Error!"
),
)
@mock.patch.object(
command_executer.CommandExecuter, "CrosRunCommandWOutput"
)
def test_dut_wrapper_ignore_error(self, mock_cros_runcmd):
self.mock_cmd_exec.CrosRunCommandWOutput = mock_cros_runcmd
# Command returns error 1.
mock_cros_runcmd.return_value = (1, "", "Error!")
self.dw.RunCommandOnDut("run command;", ignore_status=True)
mock_cros_runcmd.assert_called_once_with(
"run command;", chromeos_root="/tmp/chromeos", machine="lumpy.cros2"
)
# Error status is not fatal. LogError records the error message.
self.assertEqual(
self.mock_logger.method_calls[-1],
mock.call.LogError(
"Command execution on DUT lumpy.cros2 failed.\n"
"Failing command: run command;\nreturned 1\n"
"Error message: Error!\n"
"(Failure is considered non-fatal. Continue.)"
),
)
def test_disable_aslr(self):
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "", ""))
self.dw.DisableASLR()
# pyformat: disable
set_cpu_cmd = (
"set -e; "
"if [[ -e /proc/sys/kernel/randomize_va_space ]]; then "
" echo 0 > /proc/sys/kernel/randomize_va_space; "
"fi"
)
self.dw.RunCommandOnDut.assert_called_once_with(set_cpu_cmd)
def test_set_cpu_governor(self):
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "", ""))
self.dw.SetCpuGovernor("new_governor", ignore_status=False)
set_cpu_cmd = (
"for f in `ls -d /sys/devices/system/cpu/cpu*/cpufreq 2>/dev/null`; do "
# Skip writing scaling_governor if cpu is offline.
" [[ -e ${f/cpufreq/online} ]] && grep -q 0 ${f/cpufreq/online} "
" && continue; "
" cd $f; "
" if [[ -e scaling_governor ]]; then "
" echo %s > scaling_governor; fi; "
"done; "
)
self.dw.RunCommandOnDut.assert_called_once_with(
set_cpu_cmd % "new_governor", ignore_status=False
)
def test_set_cpu_governor_propagate_error(self):
self.dw.RunCommandOnDut = mock.Mock(return_value=(1, "", "Error."))
self.dw.SetCpuGovernor("non-exist_governor")
set_cpu_cmd = (
"for f in `ls -d /sys/devices/system/cpu/cpu*/cpufreq 2>/dev/null`; do "
# Skip writing scaling_governor if cpu is not online.
" [[ -e ${f/cpufreq/online} ]] && grep -q 0 ${f/cpufreq/online} "
" && continue; "
" cd $f; "
" if [[ -e scaling_governor ]]; then "
" echo %s > scaling_governor; fi; "
"done; "
)
# By default error status is fatal.
self.dw.RunCommandOnDut.assert_called_once_with(
set_cpu_cmd % "non-exist_governor", ignore_status=False
)
def test_set_cpu_governor_ignore_status(self):
self.dw.RunCommandOnDut = mock.Mock(return_value=(1, "", "Error."))
ret_code = self.dw.SetCpuGovernor(
"non-exist_governor", ignore_status=True
)
set_cpu_cmd = (
"for f in `ls -d /sys/devices/system/cpu/cpu*/cpufreq 2>/dev/null`; do "
# Skip writing scaling_governor if cpu is not online.
" [[ -e ${f/cpufreq/online} ]] && grep -q 0 ${f/cpufreq/online} "
" && continue; "
" cd $f; "
" if [[ -e scaling_governor ]]; then "
" echo %s > scaling_governor; fi; "
"done; "
)
self.dw.RunCommandOnDut.assert_called_once_with(
set_cpu_cmd % "non-exist_governor", ignore_status=True
)
self.assertEqual(ret_code, 1)
def test_disable_turbo(self):
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "", ""))
self.dw.DisableTurbo()
set_cpu_cmd = (
# Disable Turbo in Intel pstate driver
"if [[ -e /sys/devices/system/cpu/intel_pstate/no_turbo ]]; then "
" if grep -q 0 /sys/devices/system/cpu/intel_pstate/no_turbo; then "
" echo -n 1 > /sys/devices/system/cpu/intel_pstate/no_turbo; "
" fi; "
"fi; "
)
self.dw.RunCommandOnDut.assert_called_once_with(set_cpu_cmd)
def test_get_cpu_online_two(self):
"""Test one digit CPU #."""
self.dw.RunCommandOnDut = mock.Mock(
return_value=(
0,
"/sys/devices/system/cpu/cpu0/online 0\n"
"/sys/devices/system/cpu/cpu1/online 1\n",
"",
)
)
cpu_online = self.dw.GetCpuOnline()
self.assertEqual(cpu_online, {0: 0, 1: 1})
def test_get_cpu_online_twelve(self):
"""Test two digit CPU #."""
self.dw.RunCommandOnDut = mock.Mock(
return_value=(
0,
"/sys/devices/system/cpu/cpu0/online 1\n"
"/sys/devices/system/cpu/cpu1/online 0\n"
"/sys/devices/system/cpu/cpu10/online 1\n"
"/sys/devices/system/cpu/cpu11/online 1\n"
"/sys/devices/system/cpu/cpu2/online 1\n"
"/sys/devices/system/cpu/cpu3/online 0\n"
"/sys/devices/system/cpu/cpu4/online 1\n"
"/sys/devices/system/cpu/cpu5/online 0\n"
"/sys/devices/system/cpu/cpu6/online 1\n"
"/sys/devices/system/cpu/cpu7/online 0\n"
"/sys/devices/system/cpu/cpu8/online 1\n"
"/sys/devices/system/cpu/cpu9/online 0\n",
"",
)
)
cpu_online = self.dw.GetCpuOnline()
self.assertEqual(
cpu_online,
{
0: 1,
1: 0,
2: 1,
3: 0,
4: 1,
5: 0,
6: 1,
7: 0,
8: 1,
9: 0,
10: 1,
11: 1,
},
)
def test_get_cpu_online_no_output(self):
"""Test error case, no output."""
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "", ""))
with self.assertRaises(AssertionError):
self.dw.GetCpuOnline()
def test_get_cpu_online_command_error(self):
"""Test error case, command error."""
self.dw.RunCommandOnDut = mock.Mock(side_effect=AssertionError)
with self.assertRaises(AssertionError):
self.dw.GetCpuOnline()
@mock.patch.object(DutWrapper, "SetupArmCores")
def test_setup_cpu_usage_little_on_arm(self, mock_setup_arm):
self.dw.SetupArmCores = mock_setup_arm
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "armv7l", ""))
self.dw.dut_config["cpu_usage"] = "little_only"
self.dw.SetupCpuUsage()
self.dw.SetupArmCores.assert_called_once_with()
@mock.patch.object(DutWrapper, "SetupArmCores")
def test_setup_cpu_usage_big_on_aarch64(self, mock_setup_arm):
self.dw.SetupArmCores = mock_setup_arm
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "aarch64", ""))
self.dw.dut_config["cpu_usage"] = "big_only"
self.dw.SetupCpuUsage()
self.dw.SetupArmCores.assert_called_once_with()
@mock.patch.object(DutWrapper, "SetupArmCores")
def test_setup_cpu_usage_big_on_intel(self, mock_setup_arm):
self.dw.SetupArmCores = mock_setup_arm
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "x86_64", ""))
self.dw.dut_config["cpu_usage"] = "big_only"
self.dw.SetupCpuUsage()
# Check that SetupArmCores not called with invalid setup.
self.dw.SetupArmCores.assert_not_called()
@mock.patch.object(DutWrapper, "SetupArmCores")
def test_setup_cpu_usage_all_on_intel(self, mock_setup_arm):
self.dw.SetupArmCores = mock_setup_arm
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "x86_64", ""))
self.dw.dut_config["cpu_usage"] = "all"
self.dw.SetupCpuUsage()
# Check that SetupArmCores not called in general case.
self.dw.SetupArmCores.assert_not_called()
def test_setup_arm_cores_big_on_big_little(self):
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(0, BIG_LITTLE_CPUINFO, ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_usage"] = "big_only"
self.dw.SetupArmCores()
self.dw.RunCommandOnDut.assert_called_with(
"echo 1 | tee /sys/devices/system/cpu/cpu{2}/online; "
"echo 0 | tee /sys/devices/system/cpu/cpu{0,1}/online"
)
def test_setup_arm_cores_little_on_big_little(self):
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(0, BIG_LITTLE_CPUINFO, ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_usage"] = "little_only"
self.dw.SetupArmCores()
self.dw.RunCommandOnDut.assert_called_with(
"echo 1 | tee /sys/devices/system/cpu/cpu{0,1}/online; "
"echo 0 | tee /sys/devices/system/cpu/cpu{2}/online"
)
def test_setup_arm_cores_invalid_config(self):
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(0, LITTLE_ONLY_CPUINFO, ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_usage"] = "big_only"
self.dw.SetupArmCores()
# Check that setup command is not sent when trying
# to use 'big_only' on a platform with all little cores.
self.dw.RunCommandOnDut.assert_called_once_with("cat /proc/cpuinfo")
def test_setup_arm_cores_not_big_little(self):
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(0, NOT_BIG_LITTLE_CPUINFO, ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_usage"] = "big_only"
self.dw.SetupArmCores()
# Check that setup command is not sent when trying
# to use 'big_only' on a platform w/o support of big/little.
self.dw.RunCommandOnDut.assert_called_once_with("cat /proc/cpuinfo")
def test_setup_arm_cores_unsupported_cpu_usage(self):
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(0, BIG_LITTLE_CPUINFO, ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_usage"] = "exclusive_cores"
self.dw.SetupArmCores()
# Check that setup command is not sent when trying to use
# 'exclusive_cores' on ARM CPU setup.
self.dw.RunCommandOnDut.assert_called_once_with("cat /proc/cpuinfo")
def test_setup_cpu_freq_single_full(self):
online = [0]
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(
0,
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies\n",
"",
),
(0, "1 2 3 4 5 6 7 8 9 10", ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_freq_pct"] = 100
self.dw.SetupCpuFreq(online)
self.assertGreaterEqual(self.dw.RunCommandOnDut.call_count, 3)
self.assertEqual(
self.dw.RunCommandOnDut.call_args,
mock.call(
"echo 10 | tee "
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq "
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
),
)
def test_setup_cpu_freq_middle(self):
online = [0]
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(
0,
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies\n",
"",
),
(0, "1 2 3 4 5 6 7 8 9 10", ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_freq_pct"] = 60
self.dw.SetupCpuFreq(online)
self.assertGreaterEqual(self.dw.RunCommandOnDut.call_count, 2)
self.assertEqual(
self.dw.RunCommandOnDut.call_args,
mock.call(
"echo 6 | tee "
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq "
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
),
)
def test_setup_cpu_freq_lowest(self):
online = [0]
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(
0,
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies\n",
"",
),
(0, "1 2 3 4 5 6 7 8 9 10", ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_freq_pct"] = 0
self.dw.SetupCpuFreq(online)
self.assertGreaterEqual(self.dw.RunCommandOnDut.call_count, 2)
self.assertEqual(
self.dw.RunCommandOnDut.call_args,
mock.call(
"echo 1 | tee "
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq "
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
),
)
def test_setup_cpu_freq_multiple_middle(self):
online = [0, 1]
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(
0,
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies\n"
"/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_frequencies\n",
"",
),
(0, "1 2 3 4 5 6 7 8 9 10", ""),
(0, "", ""),
(0, "1 4 6 8 10 12 14 16 18 20", ""),
(0, "", ""),
]
)
self.dw.dut_config["cpu_freq_pct"] = 70
self.dw.SetupCpuFreq(online)
self.assertEqual(self.dw.RunCommandOnDut.call_count, 5)
self.assertEqual(
self.dw.RunCommandOnDut.call_args_list[2],
mock.call(
"echo 7 | tee "
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq "
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
),
)
self.assertEqual(
self.dw.RunCommandOnDut.call_args_list[4],
mock.call(
"echo 14 | tee "
"/sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq "
"/sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq"
),
)
def test_setup_cpu_freq_no_scaling_available(self):
online = [0, 1]
self.dw.RunCommandOnDut = mock.Mock(
return_value=(2, "", "No such file or directory")
)
self.dw.dut_config["cpu_freq_pct"] = 50
self.dw.SetupCpuFreq(online)
self.dw.RunCommandOnDut.assert_called_once()
self.assertNotRegex(
self.dw.RunCommandOnDut.call_args_list[0][0][0],
"^echo.*scaling_max_freq$",
)
def test_setup_cpu_freq_multiple_no_access(self):
online = [0, 1]
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(
0,
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies\n"
"/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_frequencies\n",
"",
),
(0, "1 4 6 8 10 12 14 16 18 20", ""),
AssertionError(),
]
)
self.dw.dut_config["cpu_freq_pct"] = 30
# Error status causes log fatal.
with self.assertRaises(AssertionError):
self.dw.SetupCpuFreq(online)
@mock.patch.object(time, "sleep")
def test_wait_cooldown_nowait(self, mock_sleep):
mock_sleep.return_value = 0
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "39000", ""))
self.dw.dut_config["cooldown_time"] = 10
self.dw.dut_config["cooldown_temp"] = 40
wait_time = self.dw.WaitCooldown()
# Send command to DUT only once to check temperature
# and make sure it does not exceed the threshold.
self.dw.RunCommandOnDut.assert_called_once()
mock_sleep.assert_not_called()
self.assertEqual(wait_time, 0)
@mock.patch.object(time, "sleep")
def test_wait_cooldown_needwait_once(self, mock_sleep):
"""Wait one iteration for cooldown.
Set large enough timeout and changing temperature
output. Make sure it exits when expected value
received.
Expect that WaitCooldown check temp twice.
"""
mock_sleep.return_value = 0
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[(0, "41000", ""), (0, "39999", "")]
)
self.dw.dut_config["cooldown_time"] = 100
self.dw.dut_config["cooldown_temp"] = 40
wait_time = self.dw.WaitCooldown()
self.dw.RunCommandOnDut.assert_called()
self.assertEqual(self.dw.RunCommandOnDut.call_count, 2)
mock_sleep.assert_called()
self.assertGreater(wait_time, 0)
@mock.patch.object(time, "sleep")
def test_wait_cooldown_needwait(self, mock_sleep):
"""Test exit by timeout.
Send command to DUT checking the temperature and
check repeatedly until timeout goes off.
Output from temperature sensor never changes.
"""
mock_sleep.return_value = 0
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "41000", ""))
self.dw.dut_config["cooldown_time"] = 60
self.dw.dut_config["cooldown_temp"] = 40
wait_time = self.dw.WaitCooldown()
self.dw.RunCommandOnDut.assert_called()
self.assertGreater(self.dw.RunCommandOnDut.call_count, 2)
mock_sleep.assert_called()
self.assertGreater(wait_time, 0)
@mock.patch.object(time, "sleep")
def test_wait_cooldown_needwait_multtemp(self, mock_sleep):
"""Wait until all temps go down.
Set large enough timeout and changing temperature
output. Make sure it exits when expected value
for all temperatures received.
Expect 3 checks.
"""
mock_sleep.return_value = 0
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(0, "41000\n20000\n30000\n45000", ""),
(0, "39000\n20000\n30000\n41000", ""),
(0, "39000\n20000\n30000\n31000", ""),
]
)
self.dw.dut_config["cooldown_time"] = 100
self.dw.dut_config["cooldown_temp"] = 40
wait_time = self.dw.WaitCooldown()
self.dw.RunCommandOnDut.assert_called()
self.assertEqual(self.dw.RunCommandOnDut.call_count, 3)
mock_sleep.assert_called()
self.assertGreater(wait_time, 0)
@mock.patch.object(time, "sleep")
def test_wait_cooldown_thermal_error(self, mock_sleep):
"""Handle error status.
Any error should be considered non-fatal.
"""
mock_sleep.return_value = 0
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[
(1, "39000\n20000\n30000\n41000", "Thermal error"),
(1, "39000\n20000\n30000\n31000", "Thermal error"),
]
)
self.dw.dut_config["cooldown_time"] = 10
self.dw.dut_config["cooldown_temp"] = 40
wait_time = self.dw.WaitCooldown()
# Check that errors are ignored.
self.dw.RunCommandOnDut.assert_called_with(
"cat /sys/class/thermal/thermal_zone*/temp", ignore_status=True
)
self.assertEqual(self.dw.RunCommandOnDut.call_count, 2)
# Check that we are waiting even when an error is returned
# as soon as data is coming.
mock_sleep.assert_called()
self.assertGreater(wait_time, 0)
@mock.patch.object(time, "sleep")
def test_wait_cooldown_thermal_no_output(self, mock_sleep):
"""Handle no output.
Check handling of empty stdout.
"""
mock_sleep.return_value = 0
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[(1, "", "Thermal error")]
)
self.dw.dut_config["cooldown_time"] = 10
self.dw.dut_config["cooldown_temp"] = 40
wait_time = self.dw.WaitCooldown()
# Check that errors are ignored.
self.dw.RunCommandOnDut.assert_called_once_with(
"cat /sys/class/thermal/thermal_zone*/temp", ignore_status=True
)
# No wait.
mock_sleep.assert_not_called()
self.assertEqual(wait_time, 0)
@mock.patch.object(time, "sleep")
def test_wait_cooldown_thermal_ws_output(self, mock_sleep):
"""Handle whitespace output.
Check handling of whitespace only.
"""
mock_sleep.return_value = 0
self.dw.RunCommandOnDut = mock.Mock(
side_effect=[(1, "\n", "Thermal error")]
)
self.dw.dut_config["cooldown_time"] = 10
self.dw.dut_config["cooldown_temp"] = 40
wait_time = self.dw.WaitCooldown()
# Check that errors are ignored.
self.dw.RunCommandOnDut.assert_called_once_with(
"cat /sys/class/thermal/thermal_zone*/temp", ignore_status=True
)
# No wait.
mock_sleep.assert_not_called()
self.assertEqual(wait_time, 0)
def test_stop_ui(self):
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "", ""))
self.dw.StopUI()
self.dw.RunCommandOnDut.assert_called_once_with(
"stop ui", ignore_status=True
)
def test_start_ui(self):
self.dw.RunCommandOnDut = mock.Mock(return_value=(0, "", ""))
self.dw.StartUI()
self.dw.RunCommandOnDut.assert_called_once_with(
"start ui", ignore_status=True
)
def test_setup_device(self):
def FakeRunner(command, ignore_status=False):
# pylint fix for unused variable.
del command, ignore_status
return 0, "", ""
def SetupMockFunctions():
self.dw.RunCommandOnDut = mock.Mock(return_value=FakeRunner)
self.dw.KerncmdUpdateNeeded = mock.Mock(return_value=True)
self.dw.UpdateKerncmdIntelPstate = mock.Mock(return_value=0)
self.dw.DisableASLR = mock.Mock(return_value=0)
self.dw.SetupCpuUsage = mock.Mock(return_value=0)
self.dw.SetupCpuFreq = mock.Mock(return_value=0)
self.dw.GetCpuOnline = mock.Mock(return_value={0: 1, 1: 1, 2: 0})
self.dw.SetCpuGovernor = mock.Mock(return_value=0)
self.dw.DisableTurbo = mock.Mock(return_value=0)
self.dw.StopUI = mock.Mock(return_value=0)
self.dw.StartUI = mock.Mock(return_value=0)
self.dw.WaitCooldown = mock.Mock(return_value=0)
self.dw.DecreaseWaitTime = mock.Mock(return_value=0)
self.dw.dut_config["enable_aslr"] = False
self.dw.dut_config["cooldown_time"] = 0
self.dw.dut_config["governor"] = "fake_governor"
self.dw.dut_config["cpu_freq_pct"] = 65
self.dw.dut_config["intel_pstate"] = "no_hwp"
SetupMockFunctions()
self.dw.SetupDevice()
self.dw.KerncmdUpdateNeeded.assert_called_once()
self.dw.UpdateKerncmdIntelPstate.assert_called_once()
self.dw.DisableASLR.assert_called_once()
self.dw.SetupCpuUsage.assert_called_once_with()
self.dw.SetupCpuFreq.assert_called_once_with([0, 1])
self.dw.GetCpuOnline.assert_called_once_with()
self.dw.SetCpuGovernor.assert_called_once_with("fake_governor")
self.dw.DisableTurbo.assert_called_once_with()
self.dw.DecreaseWaitTime.assert_called_once_with()
self.dw.StopUI.assert_called_once_with()
self.dw.StartUI.assert_called_once_with()
self.dw.WaitCooldown.assert_not_called()
# Test SetupDevice with cooldown
self.dw.dut_config["cooldown_time"] = 10
SetupMockFunctions()
self.dw.GetCpuOnline = mock.Mock(return_value={0: 0, 1: 1})
self.dw.SetupDevice()
self.dw.WaitCooldown.assert_called_once_with()
self.dw.DisableASLR.assert_called_once()
self.dw.DisableTurbo.assert_called_once_with()
self.dw.SetupCpuUsage.assert_called_once_with()
self.dw.SetupCpuFreq.assert_called_once_with([1])
self.dw.SetCpuGovernor.assert_called()
self.dw.GetCpuOnline.assert_called_once_with()
self.dw.StopUI.assert_called_once_with()
self.dw.StartUI.assert_called_once_with()
self.assertGreater(self.dw.SetCpuGovernor.call_count, 1)
self.assertEqual(
self.dw.SetCpuGovernor.call_args, mock.call("fake_governor")
)
# Test SetupDevice with cooldown
SetupMockFunctions()
self.dw.SetupCpuUsage = mock.Mock(side_effect=RuntimeError())
with self.assertRaises(RuntimeError):
self.dw.SetupDevice()
# This call injected an exception.
self.dw.SetupCpuUsage.assert_called_once_with()
# Calls following the expeption are skipped.
self.dw.WaitCooldown.assert_not_called()
self.dw.DisableTurbo.assert_not_called()
self.dw.SetupCpuFreq.assert_not_called()
self.dw.SetCpuGovernor.assert_not_called()
self.dw.GetCpuOnline.assert_not_called()
# Check that Stop/Start UI are always called.
self.dw.StopUI.assert_called_once_with()
self.dw.StartUI.assert_called_once_with()
if __name__ == "__main__":
unittest.main()