diff options
Diffstat (limited to 'cros_utils/device_setup_utils_unittest.py')
| -rwxr-xr-x | cros_utils/device_setup_utils_unittest.py | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/cros_utils/device_setup_utils_unittest.py b/cros_utils/device_setup_utils_unittest.py new file mode 100755 index 00000000..b2f76f7d --- /dev/null +++ b/cros_utils/device_setup_utils_unittest.py @@ -0,0 +1,620 @@ +#!/usr/bin/env python2 +# -*- coding: utf-8 -*- +# +# Copyright 2019 The Chromium OS Authors. All rights reserved. +# 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.""" + +from __future__ import print_function + +import time + +import unittest +import mock + +from device_setup_utils import DutWrapper + +from cros_utils import command_executer +from cros_utils import logger + +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, ignore_status=False) + + 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.assertNotRegexpMatches(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) + + +if __name__ == '__main__': + unittest.main() |