#
# Copyright (c) 2021-2022 NVIDIA CORPORATION & AFFILIATES.
# Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
import sys
if sys.version_info.major == 3:
from unittest import mock
else:
import mock
test_path = os.path.dirname(os.path.abspath(__file__))
modules_path = os.path.dirname(test_path)
sys.path.insert(0, modules_path)
from sonic_platform import utils
from sonic_platform.psu import FixedPsu, Psu
class TestPsu:
def test_fixed_psu(self):
psu = FixedPsu(0)
assert psu.get_name() == 'PSU 1'
assert psu.get_model() == 'N/A'
assert psu.get_serial() == 'N/A'
assert psu.get_revision() == 'N/A'
utils.read_int_from_file = mock.MagicMock(return_value=1)
assert psu.get_powergood_status()
utils.read_int_from_file = mock.MagicMock(return_value=0)
assert not psu.get_powergood_status()
assert psu.get_presence()
assert psu.get_voltage() is None
assert psu.get_current() is None
assert psu.get_power() is None
assert psu.get_position_in_parent() == 1
assert psu.is_replaceable() is False
assert psu.get_temperature() is None
assert psu.get_temperature_high_threshold() is None
assert psu.get_input_voltage() is None
assert psu.get_input_current() is None
@mock.patch('os.path.exists', mock.MagicMock(return_value=True))
def test_psu(self):
psu = Psu(0)
assert len(psu._fan_list) == 1
assert psu.get_fan(0).get_name() == 'psu1_fan1'
mock_sysfs_content = {
psu.psu_presence: 1,
psu.psu_oper_status: 1,
psu.psu_voltage: 10234,
psu.psu_voltage_min: 9000,
psu.psu_voltage_max: 12000,
psu.psu_current: 20345,
psu.psu_power: 30456,
psu.psu_temp: 40567,
psu.psu_temp_threshold: 50678,
psu.psu_voltage_in: 102345,
psu.psu_current_in: 676,
}
def mock_read_int_from_file(file_path, **kwargs):
return mock_sysfs_content[file_path]
utils.read_int_from_file = mock_read_int_from_file
utils.read_str_from_file = mock.MagicMock(return_value='min max')
assert psu.get_presence() is True
mock_sysfs_content[psu.psu_presence] = 0
assert psu.get_presence() is False
assert psu.get_powergood_status() is True
mock_sysfs_content[psu.psu_oper_status] = 0
assert psu.get_powergood_status() is False
assert psu.get_voltage() is None
assert psu.get_current() is None
assert psu.get_power() is None
assert psu.get_temperature() is None
assert psu.get_temperature_high_threshold() is None
assert psu.get_input_voltage() is None
assert psu.get_input_current() is None
mock_sysfs_content[psu.psu_oper_status] = 1
assert psu.get_voltage() == 10.234
assert psu.get_voltage_high_threshold() == 12.0
assert psu.get_voltage_low_threshold() == 9.0
assert psu.get_current() == 20.345
assert psu.get_power() == 0.030456
assert psu.get_temperature() == 40.567
assert psu.get_temperature_high_threshold() == 50.678
assert psu.get_input_voltage() == 102.345
assert psu.get_input_current() == 0.676
assert psu.get_position_in_parent() == 1
assert psu.is_replaceable() is True
def test_psu_vpd(self):
psu = Psu(0)
psu.vpd_parser.vpd_file = os.path.join(test_path, 'mock_psu_vpd')
assert psu.get_model() == 'MTEF-PSF-AC-C'
assert psu.get_serial() == 'MT1946X07684'
assert psu.get_revision() == 'A3'
psu.vpd_parser.vpd_file = 'not exists'
assert psu.get_model() == 'N/A'
assert psu.get_serial() == 'N/A'
assert psu.get_revision() == 'N/A'
psu.vpd_parser.vpd_file_last_mtime = None
psu.vpd_parser.vpd_file = os.path.join(test_path, 'mock_psu_vpd')
assert psu.get_model() == 'MTEF-PSF-AC-C'
assert psu.get_serial() == 'MT1946X07684'
assert psu.get_revision() == 'A3'
assert psu.vpd_parser.get_entry_value('MFR_NAME') == 'DELTA'
@mock.patch('sonic_platform.utils.read_int_from_file', mock.MagicMock(return_value=9999))
@mock.patch('sonic_platform.utils.run_command')
@mock.patch('sonic_platform.device_data.DeviceDataManager.get_platform_name')
@mock.patch('sonic_platform.vpd_parser.VpdParser.get_entry_value')
def test_psu_workaround(self, mock_get_entry_value, mock_get_platform_name, mock_run_command):
from sonic_platform.psu import InvalidPsuVolWA
psu = Psu(0)
# Threshold value is not InvalidPsuVolWA.INVALID_VOLTAGE_VALUE
assert InvalidPsuVolWA.run(psu, 9999, '') == 9999
# Platform name is not in InvalidPsuVolWA.EXPECT_PLATFORMS
mock_get_platform_name.return_value = 'some platform'
assert InvalidPsuVolWA.run(psu, InvalidPsuVolWA.INVALID_VOLTAGE_VALUE, '') == InvalidPsuVolWA.INVALID_VOLTAGE_VALUE
# PSU vendor is not InvalidPsuVolWA.EXPECT_VENDOR_NAME
vpd_info = {
InvalidPsuVolWA.MFR_FIELD: 'some psu',
InvalidPsuVolWA.CAPACITY_FIELD: 'some capacity'
}
def get_entry_value(key):
return vpd_info[key]
mock_get_entry_value.side_effect = get_entry_value
mock_get_platform_name.return_value = 'x86_64-mlnx_msn3700-r0'
assert InvalidPsuVolWA.run(psu, InvalidPsuVolWA.INVALID_VOLTAGE_VALUE, '') == InvalidPsuVolWA.INVALID_VOLTAGE_VALUE
# PSU capacity is not InvalidPsuVolWA.EXPECT_CAPACITY
vpd_info[InvalidPsuVolWA.MFR_FIELD] = InvalidPsuVolWA.EXPECT_VENDOR_NAME
assert InvalidPsuVolWA.run(psu, InvalidPsuVolWA.INVALID_VOLTAGE_VALUE, '') == InvalidPsuVolWA.INVALID_VOLTAGE_VALUE
# Normal
vpd_info[InvalidPsuVolWA.CAPACITY_FIELD] = InvalidPsuVolWA.EXPECT_CAPACITY
assert InvalidPsuVolWA.run(psu, InvalidPsuVolWA.INVALID_VOLTAGE_VALUE, '') == 9999
mock_run_command.assert_called_with(['sensors', '-s'])
@mock.patch('os.path.exists', mock.MagicMock(return_value=True))
@mock.patch('sonic_platform.utils.read_int_from_file')
def test_psu_power_threshold(self, mock_read_int_from_file):
Psu.all_psus_support_power_threshold = True
psu = Psu(0)
common_info = {
psu.psu_oper_status: 1,
psu.psu_power_max_capacity: 100000000,
psu.AMBIENT_TEMP_CRITICAL_THRESHOLD: 65000,
psu.AMBIENT_TEMP_WARNING_THRESHOLD: 55000,
psu.PSU_POWER_SLOPE: 2000
}
normal_data = {
psu.PORT_AMBIENT_TEMP: 55000,
psu.FAN_AMBIENT_TEMP: 50000,
'warning_threshold': 100.0,
'critical_threshold': 100.0
}
warning_data = {
psu.PORT_AMBIENT_TEMP: 65000,
psu.FAN_AMBIENT_TEMP: 60000,
'warning_threshold': 90.0,
'critical_threshold': 100.0
}
critical_data = {
psu.PORT_AMBIENT_TEMP: 70000,
psu.FAN_AMBIENT_TEMP: 75000,
'warning_threshold': 70.0,
'critical_threshold': 90.0
}
test_data = {}
def mock_side_effect(value):
if value in common_info:
return common_info[value]
else:
return test_data[value]
mock_read_int_from_file.side_effect = mock_side_effect
test_data = normal_data
assert psu.get_psu_power_warning_suppress_threshold() == normal_data['warning_threshold']
assert psu.get_psu_power_critical_threshold() == normal_data['critical_threshold']
test_data = warning_data
assert psu.get_psu_power_warning_suppress_threshold() == warning_data['warning_threshold']
assert psu.get_psu_power_critical_threshold() == warning_data['critical_threshold']
test_data = critical_data
assert psu.get_psu_power_warning_suppress_threshold() == critical_data['warning_threshold']
assert psu.get_psu_power_critical_threshold() == critical_data['critical_threshold']
def test_psu_not_support_power_threshold(self):
psu = Psu(0)
assert psu.get_psu_power_warning_suppress_threshold() is None
assert psu.get_psu_power_critical_threshold() is None