A Python agent for provisioning and deprovisioning Bare Metal servers.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
ironic-python-agent/ironic_python_agent/tests/unit/test_dmi_inspector.py

696 lines
29 KiB

# Copyright (C) 2017 Intel Corporation
#
# 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.
from unittest import mock
from oslo_concurrency import processutils
from ironic_python_agent import dmi_inspector
from ironic_python_agent.tests.unit import base
from ironic_python_agent import utils
BIOS_DATA = ("""
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
Handle 0x0000, DMI type 0, 24 bytes
Address: 0xF0000
ROM Size: 16384 kB
Characteristics:
PCI is supported
Handle 0x000B, DMI type 13, 22 bytes
BIOS Language Information
Installable Languages: 1
enUS
""", "")
BIOS_OUTPUT = {'bios': {
'Address': '0xF0000',
'Characteristics': ['PCI is supported'],
'Handle': 'Handle 0x0000, DMI type 0, 24 bytes',
'ROM Size': '16384 kB'},
'cpu': [],
'memory': {'devices': []}}
MEMORY_DATA = ("""
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
Handle 0x0038, DMI type 16, 23 bytes
Physical Memory Array
Maximum Capacity: 192 GB
Number Of Devices: 6
Handle 0x003A, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0038
Size: 16384 MB
Form Factor: DIMM
Speed: 2133 MHz
Handle 0x0044, DMI type 16, 23 bytes
Physical Memory Array
Maximum Capacity: 192 GB
Number Of Devices: 6
Handle 0x0046, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x0044
Size: 16384 MB
Form Factor: DIMM
Speed: 2133 MHz
""", "")
MEMORY_OUTPUT = {
'bios': {},
'cpu': [],
'memory': {
'Maximum Capacity': '192 GB',
'Number Of Devices': 12,
'devices': [{'Array Handle': '0x0038',
'Form Factor': 'DIMM',
'Handle': 'Handle 0x003A, DMI type 17, 40 bytes',
'Size': '16384 MB',
'Speed': '2133 MHz'},
{'Array Handle': '0x0044',
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0046, DMI type 17, 40 bytes',
'Size': '16384 MB',
'Speed': '2133 MHz'}]}}
CPU_DATA = ("""
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
Handle 0x0038, DMI type 4, 23 bytes
Family: Xeon
""", "")
CPU_OUTPUT = {'bios': {},
'cpu': [
{'Family': 'Xeon',
'Handle': 'Handle 0x0038, DMI type 4, 23 bytes'}],
'memory': {'devices': []}}
DMI_DATA = ("""
# dmidecode 2.12
SMBIOS 2.5 present.
Handle 0x0000, DMI type 4, 35 bytes
Processor Information
Socket Designation: J1PR
Type: Central Processor
Family: Core i7
Manufacturer: Intel(R) Corporation
ID: C2 06 02 00 FF FB EB BF
Signature: Type 0, Family 6, Model 44, Stepping 2
Flags:
FPU (Floating-point unit on-chip)
VME (Virtual mode extension)
DE (Debugging extension)
PSE (Page size extension)
TSC (Time stamp counter)
MSR (Model specific registers)
PAE (Physical address extension)
MCE (Machine check exception)
CX8 (CMPXCHG8 instruction supported)
APIC (On-chip APIC hardware supported)
SEP (Fast system call)
MTRR (Memory type range registers)
PGE (Page global enable)
MCA (Machine check architecture)
CMOV (Conditional move instruction supported)
PAT (Page attribute table)
PSE-36 (36-bit page size extension)
CLFSH (CLFLUSH instruction supported)
DS (Debug store)
ACPI (ACPI supported)
MMX (MMX technology supported)
FXSR (FXSAVE and FXSTOR instructions supported)
SSE (Streaming SIMD extensions)
SSE2 (Streaming SIMD extensions 2)
SS (Self-snoop)
HTT (Multi-threading)
TM (Thermal monitor supported)
PBE (Pending break enabled)
Version: Intel(R) Core(TM) i7 CPU X 980 @ 3.33GHz
Voltage: 1.2 V
External Clock: 135 MHz
Max Speed: 4000 MHz
Current Speed: 3381 MHz
Status: Populated, Enabled
Upgrade: Socket LGA1366
L1 Cache Handle: 0x0002
L2 Cache Handle: 0x0003
L3 Cache Handle: 0x0004
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Handle 0x0005, DMI type 0, 24 bytes
BIOS Information
Vendor: Intel Corp.
Version: SOX5810J.86A.5561.2011.0516.2023
Release Date: 05/16/2011
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 2048 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
EDD is supported
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
ACPI is supported
USB legacy is supported
ATAPI Zip drive boot is supported
BIOS boot specification is supported
Function key-initiated network boot is supported
Targeted content distribution is supported
BIOS Revision: 0.0
Firmware Revision: 0.0
Handle 0x0012, DMI type 13, 22 bytes
BIOS Language Information
Language Description Format: Abbreviated
Installable Languages: 1
enUS
Currently Installed Language: enUS
Handle 0x0014, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 16 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x0016, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x0014
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: J1MY
Bank Locator: CHAN A DIMM 0
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: 0x0198
Serial Number: 0x700ECE90
Asset Tag: Unknown
Part Number: 0x393930353437312D3030312E4130304C4620
Handle 0x0017, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x0014
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: J2MY
Bank Locator: CHAN A DIMM 1
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: NO DIMM
Serial Number: NO DIMM
Asset Tag: NO DIMM
Part Number: NO DIMM
Handle 0x0018, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x0014
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: J3MY
Bank Locator: CHAN B DIMM 0
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: 0x0198
Serial Number: 0x700ED090
Asset Tag: Unknown
Part Number: 0x393930353437312D3030312E4130304C4620
Handle 0x0019, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x0014
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: J4MY
Bank Locator: CHAN C DIMM 0
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: 0x0198
Serial Number: 0x6F0ED090
Asset Tag: Unknown
Part Number: 0x393930353437312D3030312E4130304C4620
""", "")
DMI_OUTPUT = {
'dmi': {
'bios': {
'Address': '0xF0000',
'BIOS Revision': '0.0',
'Characteristics': [
'PCI is supported',
'BIOS is upgradeable',
'BIOS shadowing is allowed',
'Boot from CD is supported',
'Selectable boot is supported',
'EDD is supported',
'8042 keyboard services are supported (int 9h)',
'Serial services are supported (int 14h)',
'Printer services are supported (int 17h)',
'CGA/mono video services are supported (int 10h)',
'ACPI is supported',
'USB legacy is supported',
'ATAPI Zip drive boot is supported',
'BIOS boot specification is supported',
'Function key-initiated network boot is supported',
'Targeted content distribution is supported'],
'Firmware Revision': '0.0',
'Handle': 'Handle 0x0005, DMI type 0, 24 bytes',
'ROM Size': '2048 kB',
'Release Date': '05/16/2011',
'Runtime Size': '64 kB',
'Vendor': 'Intel Corp.',
'Version': 'SOX5810J.86A.5561.2011.0516.2023'},
'cpu': [{
'Asset Tag': 'Not Specified',
'Current Speed': '3381 MHz',
'External Clock': '135 MHz',
'Family': 'Core i7',
'Flags': [
'FPU (Floating-point unit on-chip)',
'VME (Virtual mode extension)',
'DE (Debugging extension)',
'PSE (Page size extension)',
'TSC (Time stamp counter)',
'MSR (Model specific registers)',
'PAE (Physical address extension)',
'MCE (Machine check exception)',
'CX8 (CMPXCHG8 instruction supported)',
'APIC (On-chip APIC hardware supported)',
'SEP (Fast system call)',
'MTRR (Memory type range registers)',
'PGE (Page global enable)',
'MCA (Machine check architecture)',
'CMOV (Conditional move instruction supported)',
'PAT (Page attribute table)',
'PSE-36 (36-bit page size extension)',
'CLFSH (CLFLUSH instruction supported)',
'DS (Debug store)',
'ACPI (ACPI supported)',
'MMX (MMX technology supported)',
'FXSR (FXSAVE and FXSTOR instructions supported)',
'SSE (Streaming SIMD extensions)',
'SSE2 (Streaming SIMD extensions 2)',
'SS (Self-snoop)',
'HTT (Multi-threading)',
'TM (Thermal monitor supported)',
'PBE (Pending break enabled)'],
'Handle': 'Handle 0x0000, DMI type 4, 35 bytes',
'ID': 'C2 06 02 00 FF FB EB BF',
'L1 Cache Handle': '0x0002',
'L2 Cache Handle': '0x0003',
'L3 Cache Handle': '0x0004',
'Manufacturer': 'Intel(R) Corporation',
'Max Speed': '4000 MHz',
'Part Number': 'Not Specified',
'Serial Number': 'Not Specified',
'Signature': 'Type 0, Family 6, Model 44, Stepping 2',
'Socket Designation': 'J1PR',
'Status': 'Populated, Enabled',
'Type': 'Central Processor',
'Upgrade': 'Socket LGA1366',
'Version': 'Intel(R) Core(TM) i7 CPU X 980 @ 3.33GHz', # noqa
'Voltage': '1.2 V'}],
'memory': {
'Error Correction Type': 'None',
'Error Information Handle': 'Not Provided',
'Location': 'System Board Or Motherboard',
'Maximum Capacity': '16 GB',
'Number Of Devices': 4,
'Use': 'System Memory',
'devices': [
{'Array Handle': '0x0014',
'Asset Tag': 'Unknown',
'Bank Locator': 'CHAN A DIMM 0',
'Data Width': '64 bits',
'Error Information Handle': 'Not Provided',
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0016, DMI type 17, 27 bytes',
'Locator': 'J1MY',
'Manufacturer': '0x0198',
'Part Number': '0x393930353437312D3030312E4130304C4620',
'Serial Number': '0x700ECE90',
'Set': 'None',
'Size': '2048 MB',
'Speed': '1333 MHz',
'Total Width': '64 bits',
'Type': 'DDR3',
'Type Detail': 'Synchronous'},
{'Array Handle': '0x0014',
'Asset Tag': 'NO DIMM',
'Bank Locator': 'CHAN A DIMM 1',
'Data Width': 'Unknown',
'Error Information Handle': 'Not Provided',
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0017, DMI type 17, 27 bytes',
'Locator': 'J2MY',
'Manufacturer': 'NO DIMM',
'Part Number': 'NO DIMM',
'Serial Number': 'NO DIMM',
'Set': 'None',
'Size': 'No Module Installed',
'Speed': '1333 MHz',
'Total Width': 'Unknown',
'Type': 'DDR3',
'Type Detail': 'Synchronous'},
{'Array Handle': '0x0014',
'Asset Tag': 'Unknown',
'Bank Locator': 'CHAN B DIMM 0',
'Data Width': '64 bits',
'Error Information Handle': 'Not Provided',
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0018, DMI type 17, 27 bytes',
'Locator': 'J3MY',
'Manufacturer': '0x0198',
'Part Number': '0x393930353437312D3030312E4130304C4620',
'Serial Number': '0x700ED090',
'Set': 'None',
'Size': '2048 MB',
'Speed': '1333 MHz',
'Total Width': '64 bits',
'Type': 'DDR3',
'Type Detail': 'Synchronous'},
{'Array Handle': '0x0014',
'Asset Tag': 'Unknown',
'Bank Locator': 'CHAN C DIMM 0',
'Data Width': '64 bits',
'Error Information Handle': 'Not Provided',
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0019, DMI type 17, 27 bytes',
'Locator': 'J4MY',
'Manufacturer': '0x0198',
'Part Number': '0x393930353437312D3030312E4130304C4620',
'Serial Number': '0x6F0ED090',
'Set': 'None',
'Size': '2048 MB',
'Speed': '1333 MHz',
'Total Width': '64 bits',
'Type': 'DDR3',
'Type Detail': 'Synchronous'}]}}}
DMM_OUTPUT = {'dmi': {'bios': {'Address': '0xF0000',
'BIOS Revision': '0.0',
'Characteristics': ['PCI is supported',
'BIOS is upgradeable',
'BIOS shadowing is allowed',
'Boot from CD is supported',
'Selectable boot is supported',
'EDD is supported',
'8042 keyboard services are supported (int 9h)', # noqa
'Serial services are supported (int 14h)', # noqa
'Printer services are supported (int 17h)', # noqa
'CGA/mono video services are supported (int 10h)', # noqa
'ACPI is supported',
'USB legacy is supported',
'ATAPI Zip drive boot is supported',
'BIOS boot specification is supported', # noqa
'Function key-initiated network boot is supported', # noqa
'Targeted content distribution is supported'], # noqa
'Firmware Revision': '0.0',
'Handle': 'Handle 0x0005, DMI type 0, 24 bytes',
'ROM Size': '2048 kB',
'Release Date': '05/16/2011',
'Runtime Size': '64 kB',
'Vendor': 'Intel Corp.',
'Version': 'SOX5810J.86A.5561.2011.0516.2023'},
'cpu': [{'Asset Tag': 'Not Specified',
'Current Speed': '3381 MHz',
'External Clock': '135 MHz',
'Family': 'Core i7',
'Flags': ['FPU (Floating-point unit on-chip)',
'VME (Virtual mode extension)',
'DE (Debugging extension)',
'PSE (Page size extension)',
'TSC (Time stamp counter)',
'MSR (Model specific registers)',
'PAE (Physical address extension)',
'MCE (Machine check exception)',
'CX8 (CMPXCHG8 instruction supported)',
'APIC (On-chip APIC hardware supported)',
'SEP (Fast system call)',
'MTRR (Memory type range registers)',
'PGE (Page global enable)',
'MCA (Machine check architecture)',
'CMOV (Conditional move instruction supported)', # noqa
'PAT (Page attribute table)',
'PSE-36 (36-bit page size extension)',
'CLFSH (CLFLUSH instruction supported)',
'DS (Debug store)',
'ACPI (ACPI supported)',
'MMX (MMX technology supported)',
'FXSR (FXSAVE and FXSTOR instructions supported)', # noqa
'SSE (Streaming SIMD extensions)',
'SSE2 (Streaming SIMD extensions 2)',
'SS (Self-snoop)',
'HTT (Multi-threading)',
'TM (Thermal monitor supported)',
'PBE (Pending break enabled)'],
'Handle': 'Handle 0x0000, DMI type 4, 35 bytes',
'ID': 'C2 06 02 00 FF FB EB BF',
'L1 Cache Handle': '0x0002',
'L2 Cache Handle': '0x0003',
'L3 Cache Handle': '0x0004',
'Manufacturer': 'Intel(R) Corporation',
'Max Speed': '4000 MHz',
'Part Number': 'Not Specified',
'Serial Number': 'Not Specified',
'Signature': 'Type 0, Family 6, Model 44, Stepping 2',
'Socket Designation': 'J1PR',
'Status': 'Populated, Enabled',
'Type': 'Central Processor',
'Upgrade': 'Socket LGA1366',
'Version': 'Intel(R) Core(TM) i7 CPU X 980 @ 3.33GHz', # noqa
'Voltage': '1.2 V'}],
'memory': {'Error Correction Type': 'None',
'Error Information Handle': 'Not Provided',
'Location': 'System Board Or Motherboard',
'Maximum Capacity': '16 GB',
'Number Of Devices': 4,
'Use': 'System Memory',
'devices': [{'Array Handle': '0x0014',
'Asset Tag': 'Unknown',
'Bank Locator': 'CHAN A DIMM 0',
'Data Width': '64 bits',
'Error Information Handle': 'Not Provided', # noqa
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0016, DMI type 17, 27 bytes', # noqa
'Locator': 'J1MY',
'Manufacturer': '0x0198',
'Part Number': '0x393930353437312D3030312E4130304C4620', # noqa
'Serial Number': '0x700ECE90',
'Set': 'None',
'Size': '2048 MB',
'Speed': '1333 MHz',
'Total Width': '64 bits',
'Type': 'DDR3',
'Type Detail': 'Synchronous'},
{'Array Handle': '0x0014',
'Asset Tag': 'NO DIMM',
'Bank Locator': 'CHAN A DIMM 1',
'Data Width': 'Unknown',
'Error Information Handle': 'Not Provided', # noqa
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0017, DMI type 17, 27 bytes', # noqa
'Locator': 'J2MY',
'Manufacturer': 'NO DIMM',
'Part Number': 'NO DIMM',
'Serial Number': 'NO DIMM',
'Set': 'None',
'Size': 'No Module Installed',
'Speed': '1333 MHz',
'Total Width': 'Unknown',
'Type': 'DDR3',
'Type Detail': 'Synchronous'},
{'Array Handle': '0x0014',
'Asset Tag': 'Unknown',
'Bank Locator': 'CHAN B DIMM 0',
'Data Width': '64 bits',
'Error Information Handle': 'Not Provided', # noqa
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0018, DMI type 17, 27 bytes', # noqa
'Locator': 'J3MY',
'Manufacturer': '0x0198',
'Part Number': '0x393930353437312D3030312E4130304C4620', # noqa
'Serial Number': '0x700ED090',
'Set': 'None',
'Size': '2048 MB',
'Speed': '1333 MHz',
'Total Width': '64 bits',
'Type': 'DDR3',
'Type Detail': 'Synchronous'},
{'Array Handle': '0x0014',
'Asset Tag': 'Unknown',
'Bank Locator': 'CHAN C DIMM 0',
'Data Width': '64 bits',
'Error Information Handle': 'Not Provided', # noqa
'Form Factor': 'DIMM',
'Handle': 'Handle 0x0019, DMI type 17, 27 bytes', # noqa
'Locator': 'J4MY',
'Manufacturer': '0x0198',
'Part Number': '0x393930353437312D3030312E4130304C4620', # noqa
'Serial Number': '0x6F0ED090',
'Set': 'None',
'Size': '2048 MB',
'Speed': '1333 MHz',
'Total Width': '64 bits',
'Type': 'DDR3',
'Type Detail': 'Synchronous'}]}}}
class TestCollectDmidecodeInfo(base.IronicAgentTest):
def setUp(self):
super(TestCollectDmidecodeInfo, self).setUp()
self.data = {}
self.failures = utils.AccumulatedFailures()
@mock.patch.object(utils, 'execute', autospec=True)
def test_dmidecode_info_ok(self, mock_execute):
mock_execute.return_value = DMI_DATA
dmi_inspector.collect_dmidecode_info(self.data, None)
for key in ('bios', 'memory', 'cpu'):
self.assertTrue(self.data['dmi'][key])
self.assertEqual(DMI_OUTPUT, self.data)
mock_execute.assert_called_once_with('dmidecode', '-t', 'bios',
'-t', 'processor', '-t', 'memory')
@mock.patch.object(utils, 'execute', autospec=True)
def test_dmidecode_info_bad_data(self, mock_execute):
mock_execute.return_value = ("""Handle 0x0000\nFoo\nBar: Baz\n""", "")
expected = {'dmi': {'bios': {}, 'cpu': [], 'memory': {'devices': []}}}
dmi_inspector.collect_dmidecode_info(self.data, None)
self.assertEqual(expected, self.data)
mock_execute.assert_called_once_with('dmidecode', '-t', 'bios',
'-t', 'processor', '-t', 'memory')
@mock.patch.object(utils, 'execute', autospec=True)
def test_dmidecode_info_failure(self, mock_execute):
mock_execute.side_effect = processutils.ProcessExecutionError()
dmi_inspector.collect_dmidecode_info(self.data, self.failures)
self.assertTrue(self.failures)
self.assertNotIn('dmi', self.data)
mock_execute.assert_called_once_with('dmidecode', '-t', 'bios',
'-t', 'processor', '-t', 'memory')
def test_parse_dmi_bios(self):
inputdata = BIOS_DATA[0]
expected = BIOS_OUTPUT
ret = dmi_inspector.parse_dmi(inputdata)
self.assertEqual(expected, ret)
def test_parse_dmi_cpu(self):
inputdata = CPU_DATA[0]
expected = CPU_OUTPUT
ret = dmi_inspector.parse_dmi(inputdata)
self.assertEqual(expected, ret)
def test_parse_dmi_memory(self):
inputdata = MEMORY_DATA[0]
expected = MEMORY_OUTPUT
ret = dmi_inspector.parse_dmi(inputdata)
self.assertEqual(expected, ret)
def test_save_data(self):
dmi_info = {}
dmi_info['bios'] = {}
dmi_info['cpu'] = []
dmi_info['memory'] = {}
dmi_info['memory']['devices'] = {}
mem = [{'Handle': 'handle', 'Number Of Devices': '2'},
{'Handle': 'handle', 'Number Of Devices': '2'}]
devices = [{'bar': 'foo'}, {'bar': 'foo'}]
expected = {'bios': {},
'cpu': [],
'memory': {'Number Of Devices': 4,
'devices': [{'bar': 'foo'}, {'bar': 'foo'}]}}
ret = dmi_inspector._save_data(dmi_info, mem, devices)
self.assertEqual(expected, ret)
def test_save_data_error_number_of_devices(self):
dmi_info = {}
dmi_info['bios'] = {}
dmi_info['cpu'] = []
dmi_info['memory'] = {}
dmi_info['memory']['devices'] = {}
self.assertRaises(KeyError,
dmi_inspector._save_data,
dmi_info,
[{'foo': 'bar', 'Handle': '0x10'}],
[{'bar': 'foo'}, {'bar': 'foo'}])
def test_save_data_error_handle(self):
dmi_info = {}
dmi_info['bios'] = {}
dmi_info['cpu'] = []
dmi_info['memory'] = {}
dmi_info['memory']['devices'] = {}
self.assertRaises(KeyError,
dmi_inspector._save_data,
dmi_info,
[{'foo': 'bar', 'Number Of Devices': '2'}],
[{'bar': 'foo'}, {'bar': 'foo'}])