def test_bootloader_in_kickstart(self):
'''
test that a bootloader such as prepboot/biosboot shows up
in the kickstart data
'''
with patch('blivet.osinstall.InstallerStorage.bootloader_device', new_callable=PropertyMock) as mock_bootloader_device:
with patch('blivet.osinstall.InstallerStorage.mountpoints', new_callable=PropertyMock) as mock_mountpoints:
# set up prepboot partition
bootloader_device_obj = PartitionDevice("test_partition_device")
bootloader_device_obj.size = Size('5 MiB')
bootloader_device_obj.format = formats.get_format("prepboot")
blivet_obj = InstallerStorage()
# mountpoints must exist for update_ksdata to run
mock_bootloader_device.return_value = bootloader_device_obj
mock_mountpoints.values.return_value = []
# initialize ksdata
test_ksdata = returnClassForVersion()()
blivet_obj.ksdata = test_ksdata
blivet_obj.update_ksdata()
self.assertTrue("part prepboot" in str(blivet_obj.ksdata))
def test_bootloader_in_kickstart(self):
'''
test that a bootloader such as prepboot/biosboot shows up
in the kickstart data
'''
with patch('blivet.osinstall.InstallerStorage.bootloader_device',
new_callable=PropertyMock) as mock_bootloader_device:
with patch('blivet.osinstall.InstallerStorage.mountpoints',
new_callable=PropertyMock) as mock_mountpoints:
# set up prepboot partition
bootloader_device_obj = PartitionDevice(
"test_partition_device")
bootloader_device_obj.size = Size('5 MiB')
bootloader_device_obj.format = formats.get_format("prepboot")
blivet_obj = InstallerStorage()
# mountpoints must exist for update_ksdata to run
mock_bootloader_device.return_value = bootloader_device_obj
mock_mountpoints.values.return_value = []
# initialize ksdata
test_ksdata = returnClassForVersion()()
blivet_obj.ksdata = test_ksdata
blivet_obj.update_ksdata()
self.assertTrue("part prepboot" in str(blivet_obj.ksdata))
def test_generate_device_factory_permissions(self):
"""Test GenerateDeviceFactoryPermissions."""
dev1 = DiskDevice("dev1",
fmt=get_format("disklabel"),
size=Size("10 GiB"),
exists=True)
dev2 = PartitionDevice("dev2",
size=Size("5 GiB"),
parents=[dev1],
fmt=get_format("ext4",
mountpoint="/",
label="root"))
self._add_device(dev1)
self._add_device(dev2)
request = self.interface.GenerateDeviceFactoryRequest("dev1")
permissions = self.interface.GenerateDeviceFactoryPermissions(request)
assert get_native(permissions) == {
'mount-point': False,
'reformat': False,
'format-type': True,
'label': False,
'device-type': False,
'device-name': False,
'device-size': False,
'device-encrypted': True,
'device-raid-level': False,
'disks': False,
'container-spec': False,
'container-name': False,
'container-size-policy': False,
'container-encrypted': False,
'container-raid-level': False,
}
request = self.interface.GenerateDeviceFactoryRequest("dev2")
permissions = self.interface.GenerateDeviceFactoryPermissions(request)
assert get_native(permissions) == {
'mount-point': True,
'reformat': False,
'format-type': True,
'label': True,
'device-type': True,
'device-name': False,
'device-size': True,
'device-encrypted': True,
'device-raid-level': True,
'disks': True,
'container-spec': False,
'container-name': False,
'container-size-policy': False,
'container-encrypted': False,
'container-raid-level': False,
}
dev2.protected = True
permissions = self.interface.GenerateDeviceFactoryPermissions(request)
for value in get_native(permissions).values():
assert value is False
def test_msdos_disk_chunk1(self):
disk_size = Size("100 MiB")
with sparsetmpfile("chunktest", disk_size) as disk_file:
disk = DiskFile(disk_file)
disk.format = get_format("disklabel",
device=disk.path,
exists=False,
label_type="msdos")
p1 = PartitionDevice("p1", size=Size("10 MiB"), grow=True)
p2 = PartitionDevice("p2", size=Size("30 MiB"), grow=True)
disks = [disk]
partitions = [p1, p2]
free = get_free_regions([disk])
self.assertEqual(len(free), 1,
"free region count %d not expected" % len(free))
b = Mock(spec=Blivet)
allocate_partitions(b, disks, partitions, free)
requests = [PartitionRequest(p) for p in partitions]
chunk = DiskChunk(free[0], requests=requests)
# parted reports a first free sector of 32 for msdos on disk files. whatever.
# XXX on gpt, the start is increased to 34 and the end is reduced from 204799 to 204766,
# yielding an expected length of 204733
length_expected = 204768
self.assertEqual(chunk.length, length_expected)
base_expected = sum(p.parted_partition.geometry.length
for p in partitions)
self.assertEqual(chunk.base, base_expected)
pool_expected = chunk.length - base_expected
self.assertEqual(chunk.pool, pool_expected)
self.assertEqual(chunk.done, False)
self.assertEqual(chunk.remaining, 2)
chunk.grow_requests()
self.assertEqual(chunk.done, True)
self.assertEqual(chunk.pool, 0)
self.assertEqual(chunk.remaining, 2)
#
# validate the growth (everything in sectors)
#
# The chunk length is 204768. The base of p1 is 20480. The base of
# p2 is 61440. The chunk has a base of 81920 and a pool of 122848.
#
# p1 should grow by 30712 while p2 grows by 92136 since p2's base
# size is exactly three times that of p1.
self.assertEqual(requests[0].growth, 30712)
self.assertEqual(requests[1].growth, 92136)
def setUp(self):
"""Create some device objects to test with.
This sets up two disks (sda, sdb). The first partition of each
is a biosboot partition. The second partitions comprise a RAID1
array formatted as /boot.
sda additionally contains a third partition formatted as ext4.
"""
super(GRUBRaidSimpleTest, self).setUp()
# Make some disks
self.sda = DiskDevice(name="sda", size=Size("100 GiB"))
self.sda.format = getFormat("disklabel")
self.sdb = DiskDevice(name="sdb", size=Size("100 GiB"))
self.sdb.format = getFormat("disklabel")
# Set up biosboot partitions and an array for /boot on sda + sdb.
# Start with the partitions
self.sda1 = PartitionDevice(name="sda1",
parents=[self.sda],
size=Size("1 MiB"))
self.sda1.format = getFormat("biosboot")
self.sda2 = PartitionDevice(name="sda2",
parents=[self.sda],
size=Size("500 MiB"))
self.sda2.format = getFormat("mdmember")
self.sdb1 = PartitionDevice(name="sdb1",
parents=[self.sdb],
size=Size("1 MiB"))
self.sdb1.format = getFormat("biosboot")
self.sdb2 = PartitionDevice(name="sdb2",
parents=[self.sdb],
size=Size("500 MiB"))
self.sdb2.format = getFormat("mdmember")
# Add an extra partition for /boot on not-RAID
self.sda3 = PartitionDevice(name="sda3",
parents=[self.sda],
size=Size("500 MiB"))
self.sda3.format = getFormat("ext4", mountpoint="/boot")
# Pretend that the partitions are real with real parent disks
for part in (self.sda1, self.sda2, self.sdb1, self.sdb2):
part.parents = part.req_disks
self.boot_md = MDRaidArrayDevice(name="md1",
parents=[self.sda2, self.sdb2],
level=1)
self.boot_md.format = getFormat("ext4", mountpoint="/boot")
self.grub = GRUB()
def test_weight_2(self):
for spec in weighted:
part = PartitionDevice('weight_test')
part._format = Mock(name="fmt", type=spec.fstype, mountpoint=spec.mountpoint,
mountable=spec.mountpoint is not None)
with patch('blivet.devices.partition.arch') as _arch:
for func in arch_funcs:
f = getattr(_arch, func)
f.return_value = func in spec.true_funcs
self.assertEqual(part.weight, spec.weight)
def setUp(self):
disk1 = DiskDevice("testdisk",
size=Size("300 GiB"),
exists=True,
fmt=get_format("disklabel", exists=True))
disk1.format._supported = False
with self.assertLogs("blivet", level="INFO") as cm:
partition1 = PartitionDevice("testpart1",
size=Size("150 GiB"),
exists=True,
parents=[disk1],
fmt=get_format("ext4", exists=True))
self.assertTrue("disklabel is unsupported" in "\n".join(cm.output))
with self.assertLogs("blivet", level="INFO") as cm:
partition2 = PartitionDevice("testpart2",
size=Size("100 GiB"),
exists=True,
parents=[disk1],
fmt=get_format("lvmpv", exists=True))
self.assertTrue("disklabel is unsupported" in "\n".join(cm.output))
# To be supported, all of a devices ancestors must be supported.
disk2 = DiskDevice("testdisk2",
size=Size("300 GiB"),
exists=True,
fmt=get_format("lvmpv", exists=True))
vg = LVMVolumeGroupDevice("testvg",
exists=True,
parents=[partition2, disk2])
lv = LVMLogicalVolumeDevice("testlv",
exists=True,
size=Size("64 GiB"),
parents=[vg],
fmt=get_format("ext4", exists=True))
with sparsetmpfile("addparttest", Size("50 MiB")) as disk_file:
disk3 = DiskFile(disk_file)
disk3.format = get_format("disklabel",
device=disk3.path,
exists=False)
self.disk1 = disk1
self.disk2 = disk2
self.disk3 = disk3
self.partition1 = partition1
self.partition2 = partition2
self.vg = vg
self.lv = lv
def _create_partition(self, disk, size):
disk.format = get_format("disklabel", device=disk.path, label_type="msdos")
disk.format.create()
pstart = disk.format.alignment.grainSize
pend = pstart + int(Size(size) / disk.format.parted_device.sectorSize)
disk.format.add_partition(pstart, pend, parted.PARTITION_NORMAL)
disk.format.parted_disk.commit()
part = disk.format.parted_disk.getPartitionBySector(pstart)
device = PartitionDevice(os.path.basename(part.path))
device.disk = disk
device.exists = True
device.parted_partition = part
return device
def change_device_test(self):
"""Test ChangeDevice."""
dev1 = DiskDevice("dev1")
dev2 = PartitionDevice("dev2",
size=Size("5 GiB"),
parents=[dev1],
fmt=get_format("ext4",
mountpoint="/",
label="root"))
self._add_device(dev1)
self._add_device(dev2)
original_request = self.module.generate_device_factory_request("dev2")
request = copy.deepcopy(original_request)
request.device_type = DEVICE_TYPE_LVM
request.mount_point = "/home"
request.size = Size("4 GiB")
request.label = "home"
self.storage.factory_device = Mock()
self.interface.ChangeDevice(
DeviceFactoryRequest.to_structure(request),
DeviceFactoryRequest.to_structure(original_request))
self.storage.factory_device.assert_called_once()
def validate_device_factory_request_test(self):
"""Test ValidateDeviceFactoryRequest."""
dev1 = DiskDevice("dev1")
dev2 = DiskDevice("dev2")
dev3 = PartitionDevice("dev3", size=Size("10 GiB"), parents=[dev1])
self._add_device(dev1)
self._add_device(dev2)
self._add_device(dev3)
request = self.module.generate_device_factory_request("dev3")
request.device_type = DEVICE_TYPE_LVM
request.disks = ["dev1", "dev2"]
request.format_type = "ext4"
request.mount_point = "/boot"
request.label = "root"
request.reformat = True
request.luks_version = "luks1"
request.device_size = Size("5 GiB").get_bytes()
request.device_encrypted = True
request.device_raid_level = "raid1"
result = self.interface.ValidateDeviceFactoryRequest(
DeviceFactoryRequest.to_structure(request))
self._check_report(result, "/boot cannot be encrypted")
request.mount_point = "/"
result = self.interface.ValidateDeviceFactoryRequest(
DeviceFactoryRequest.to_structure(request))
self._check_report(result, None)
def test_get_helper(self, *args):
if self.helper_class is None:
return
partition = PartitionDevice("testpartitiondev")
data = dict()
fmt_class = get_device_format_class(self.helper_class._type_specifier)
if fmt_class is None:
self.skipTest("failed to look up format class for %s" % self.helper_class._type_specifier)
data["ID_FS_TYPE"] = self.helper_class._base_type_specifier
data["DEVTYPE"] = "partition"
partition._bootable = self.helper_class._bootable
partition._size = fmt_class._min_size
self.assertEqual(get_format_helper(data, partition), self.helper_class)
def find_mountable_partitions_test(self, update_size_info):
"""Test FindMountablePartitions."""
self._add_device(StorageDevice("dev1", fmt=get_format("ext4")))
self._add_device(
PartitionDevice("dev2", fmt=get_format("ext4", exists=True)))
self.assertEqual(self.interface.FindMountablePartitions(), ["dev2"])
def test_ctor_parted_partition_error_handling(self):
disk = StorageDevice("testdisk", exists=True)
disk._partitionable = True
with patch.object(disk, "_format") as fmt:
fmt.type = "disklabel"
self.assertTrue(disk.partitioned)
fmt.supported = True
# Normal case, no exn.
device = PartitionDevice("testpart1", exists=True, parents=[disk])
self.assertIn(device, disk.children)
device.parents.remove(disk)
self.assertEqual(len(disk.children),
0,
msg="disk has children when it should not")
# Parted doesn't find a partition, exn is raised.
fmt.parted_disk.getPartitionByPath.return_value = None
self.assertRaises(DeviceError,
PartitionDevice,
"testpart1",
exists=True,
parents=[disk])
self.assertEqual(
len(disk.children),
0,
msg="device is still attached to disk in spite of ctor error")
def generate_device_factory_request_test(self):
"""Test GenerateDeviceFactoryRequest."""
dev1 = DiskDevice("dev1")
dev2 = PartitionDevice("dev2",
size=Size("5 GiB"),
parents=[dev1],
fmt=get_format("ext4",
mountpoint="/",
label="root"))
self._add_device(dev1)
self._add_device(dev2)
request = self.interface.GenerateDeviceFactoryRequest("dev2")
self.assertEqual(
get_native(request), {
'device-spec': 'dev2',
'disks': ['dev1'],
'mount-point': '/',
'reformat': True,
'format-type': 'ext4',
'label': 'root',
'luks-version': '',
'device-type': DEVICE_TYPE_PARTITION,
'device-name': 'dev2',
'device-size': Size("5 GiB").get_bytes(),
'device-encrypted': False,
'device-raid-level': '',
'container-name': '',
'container-size-policy': SIZE_POLICY_AUTO,
'container-encrypted': False,
'container-raid-level': '',
})
def test_biosboot_bootloader_in_kickstart(self, mock_mountpoints, mock_devices, dbus):
"""Test that a biosboot bootloader shows up in the ks data."""
# set up biosboot partition
biosboot_device_obj = PartitionDevice("biosboot_partition_device")
biosboot_device_obj.size = Size('1MiB')
biosboot_device_obj.format = formats.get_format("biosboot")
# mountpoints must exist for updateKSData to run
mock_devices.return_value = [biosboot_device_obj]
mock_mountpoints.values.return_value = []
# initialize ksdata
biosboot_blivet_obj = InstallerStorage(makeVersion())
biosboot_blivet_obj.update_ksdata()
self.assertIn("part biosboot", str(biosboot_blivet_obj.ksdata))
def test_prepboot_bootloader_in_kickstart(self, mock_mountpoints,
mock_bootloader_device, dbus):
"""Test that a prepboot bootloader shows up in the ks data."""
# set up prepboot partition
bootloader_device_obj = PartitionDevice("test_partition_device")
bootloader_device_obj.size = Size('5 MiB')
bootloader_device_obj.format = formats.get_format("prepboot")
# mountpoints must exist for update_ksdata to run
mock_bootloader_device.return_value = bootloader_device_obj
mock_mountpoints.values.return_value = []
# initialize ksdata
prepboot_blivet_obj = InstallerStorage(makeVersion())
prepboot_blivet_obj.update_ksdata()
self.assertIn("part prepboot", str(prepboot_blivet_obj.ksdata))
def test_biosboot_bootloader_in_kickstart(self, mock_mountpoints, mock_devices, dbus):
"""Test that a biosboot bootloader shows up in the ks data."""
# set up biosboot partition
biosboot_device_obj = PartitionDevice("biosboot_partition_device")
biosboot_device_obj.size = Size('1MiB')
biosboot_device_obj.format = formats.get_format("biosboot")
# mountpoints must exist for updateKSData to run
mock_devices.return_value = [biosboot_device_obj]
mock_mountpoints.values.return_value = []
# initialize ksdata
ksdata = makeVersion()
biosboot_blivet_obj = InstallerStorage()
update_storage_ksdata(biosboot_blivet_obj, ksdata)
self.assertIn("part biosboot", str(ksdata))
def test_bootloader_in_kickstart(self):
'''
test that a bootloader such as prepboot/biosboot shows up
in the kickstart data
'''
# prepboot test case
with patch(
'pyanaconda.storage.osinstall.InstallerStorage.bootloader_device',
new_callable=PropertyMock) as mock_bootloader_device:
with patch(
'pyanaconda.storage.osinstall.InstallerStorage.mountpoints',
new_callable=PropertyMock) as mock_mountpoints:
# set up prepboot partition
bootloader_device_obj = PartitionDevice(
"test_partition_device")
bootloader_device_obj.size = Size('5 MiB')
bootloader_device_obj.format = formats.get_format("prepboot")
prepboot_blivet_obj = InstallerStorage()
# mountpoints must exist for update_ksdata to run
mock_bootloader_device.return_value = bootloader_device_obj
mock_mountpoints.values.return_value = []
# initialize ksdata
prepboot_ksdata = returnClassForVersion()()
prepboot_blivet_obj.ksdata = prepboot_ksdata
prepboot_blivet_obj.update_ksdata()
self.assertIn("part prepboot", str(prepboot_blivet_obj.ksdata))
# biosboot test case
with patch('pyanaconda.storage.osinstall.InstallerStorage.devices',
new_callable=PropertyMock) as mock_devices:
with patch(
'pyanaconda.storage.osinstall.InstallerStorage.mountpoints',
new_callable=PropertyMock) as mock_mountpoints:
# set up biosboot partition
biosboot_device_obj = PartitionDevice(
"biosboot_partition_device")
biosboot_device_obj.size = Size('1MiB')
biosboot_device_obj.format = formats.get_format("biosboot")
biosboot_blivet_obj = InstallerStorage()
# mountpoints must exist for updateKSData to run
mock_devices.return_value = [biosboot_device_obj]
mock_mountpoints.values.return_value = []
# initialize ksdata
biosboot_ksdata = returnClassForVersion()()
biosboot_blivet_obj.ksdata = biosboot_ksdata
biosboot_blivet_obj.update_ksdata()
self.assertIn("part biosboot", str(biosboot_blivet_obj.ksdata))
def test_get_helper(self, *args):
if self.helper_class is None:
return
partition = PartitionDevice("testpartitiondev")
data = dict()
fmt_class = get_device_format_class(self.helper_class._type_specifier)
if fmt_class is None:
self.skipTest("failed to look up format class for %s" %
self.helper_class._type_specifier)
data["ID_FS_TYPE"] = self.helper_class._base_type_specifier
data["DEVTYPE"] = "partition"
partition._bootable = self.helper_class._bootable
partition._size = fmt_class._min_size
self.assertEqual(get_format_helper(data, partition), self.helper_class)
def test_biosboot_bootloader_in_kickstart(self, mock_mountpoints, mock_devices, dbus):
"""Test that a biosboot bootloader shows up in the ks data."""
# set up biosboot partition
biosboot_device_obj = PartitionDevice("biosboot_partition_device")
biosboot_device_obj.size = Size('1MiB')
biosboot_device_obj.format = get_format("biosboot")
# mountpoints must exist for updateKSData to run
mock_devices.return_value = [biosboot_device_obj]
mock_mountpoints.values.return_value = []
# set up the storage
self.module.on_storage_changed(create_storage())
self.assertTrue(self.module.storage)
# initialize ksdata
ksdata = self._setup_kickstart()
self.assertIn("part biosboot", str(ksdata))
def test_disk_is_empty(self):
disk = StorageDevice("testdisk", exists=True)
disk._partitionable = True
with patch.object(disk, "_format") as fmt:
fmt.type = "disklabel"
self.assertTrue(disk.is_empty)
PartitionDevice("testpart1", exists=True, parents=[disk])
self.assertFalse(disk.is_empty)
def setUp(self):
dev1 = DiskDevice("name", fmt=getFormat("mdmember"))
dev2 = DiskDevice("other")
self.part = PartitionDevice("part", fmt=getFormat("mdmember"), parents=[dev2])
self.dev = MDRaidArrayDevice("dev", level="raid1", parents=[dev1, self.part], fmt=getFormat("luks"))
self.luks = LUKSDevice("luks", parents=[self.dev], fmt=getFormat("ext4"))
self.mdraid_method = availability.BLOCKDEV_MDRAID_PLUGIN._method
self.dm_method = availability.BLOCKDEV_DM_PLUGIN._method
self.cache_availability = availability.CACHE_AVAILABILITY
def test_prepboot_bootloader_in_kickstart(self, mock_mountpoints, dbus):
"""Test that a prepboot bootloader shows up in the ks data."""
# set up prepboot partition
bootloader_device_obj = PartitionDevice("test_partition_device")
bootloader_device_obj.size = Size('5 MiB')
bootloader_device_obj.format = get_format("prepboot")
# mountpoints must exist for update_ksdata to run
mock_mountpoints.values.return_value = []
# set up the storage
self.module.on_storage_changed(create_storage())
assert self.module.storage
self.module.storage.bootloader.stage1_device = bootloader_device_obj
# initialize ksdata
ksdata = self._setup_kickstart()
assert "part prepboot" in str(ksdata)
def test_prepboot_bootloader_in_kickstart(self, mock_mountpoints, dbus):
"""Test that a prepboot bootloader shows up in the ks data."""
# disable other partitioning modules
dbus.return_value.Enabled = False
# set up prepboot partition
bootloader_device_obj = PartitionDevice("test_partition_device")
bootloader_device_obj.size = Size('5 MiB')
bootloader_device_obj.format = formats.get_format("prepboot")
# mountpoints must exist for update_ksdata to run
mock_mountpoints.values.return_value = []
# set up the storage
prepboot_blivet_obj = InstallerStorage()
prepboot_blivet_obj.bootloader.stage1_device = bootloader_device_obj
# initialize ksdata
ksdata = makeVersion()
update_storage_ksdata(prepboot_blivet_obj, ksdata)
self.assertIn("part prepboot", str(ksdata))
def test_prepboot_bootloader_in_kickstart(self, mock_mountpoints, dbus):
"""Test that a prepboot bootloader shows up in the ks data."""
# disable other partitioning modules
dbus.return_value.Enabled = False
# set up prepboot partition
bootloader_device_obj = PartitionDevice("test_partition_device")
bootloader_device_obj.size = Size('5 MiB')
bootloader_device_obj.format = formats.get_format("prepboot")
# mountpoints must exist for update_ksdata to run
mock_mountpoints.values.return_value = []
# set up the storage
prepboot_blivet_obj = InstallerStorage()
prepboot_blivet_obj.bootloader.stage1_device = bootloader_device_obj
# initialize ksdata
ksdata = makeVersion()
update_storage_ksdata(prepboot_blivet_obj, ksdata)
self.assertIn("part prepboot", str(ksdata))
def test_match(self):
"""Test boot format populator helper match method"""
if self.helper_class is None:
return
partition = PartitionDevice("testpartitiondev")
storagedev = StorageDevice("teststoragedev")
storagedev.bootable = True
data = dict()
fmt_class = get_device_format_class(self.helper_class._type_specifier)
if fmt_class is None:
self.skipTest("failed to look up format class for %s" %
self.helper_class._type_specifier)
data["ID_FS_TYPE"] = self.helper_class._base_type_specifier
partition._bootable = self.helper_class._bootable
min_size = fmt_class._min_size
max_size = fmt_class._max_size
partition._size = min_size
storagedev._size = min_size
self.assertTrue(self.helper_class.match(data, partition))
# These are only valid for partitions.
self.assertFalse(self.helper_class.match(data, storagedev))
data["ID_FS_TYPE"] += "x"
self.assertFalse(self.helper_class.match(data, partition))
data["ID_FS_TYPE"] = self.helper_class._base_type_specifier
if self.helper_class._bootable:
partition._bootable = False
self.assertFalse(self.helper_class.match(data, partition))
partition._bootable = True
if max_size:
partition._size = max_size + 1
elif min_size:
partition._size = min_size - 1
self.assertFalse(self.helper_class.match(data, partition))
partition._size = min_size
def _add_lvmvg_parent(self, container, parent):
""" Add new parent to existing lvmg
:param container: existing lvmvg
:type container: class blivet.LVMVolumeGroupDevice
:param parent: new parent -- existing device or free space
:type parent: class blivet.Device or class blivetgui.utils.FreeSpaceDevice
"""
assert container.type == "lvmvg"
actions = []
if parent.type == "free space":
dev = PartitionDevice(name="req%d" % self.storage.nextID,
size=parent.size,
parents=parent.parents)
ac_part = blivet.deviceaction.ActionCreateDevice(dev)
fmt = blivet.formats.getFormat(fmt_type="lvmpv")
ac_fmt = blivet.deviceaction.ActionCreateFormat(dev, fmt)
actions.extend([ac_part, ac_fmt])
for ac in (ac_part, ac_fmt):
self.storage.devicetree.registerAction(ac)
blivet.partitioning.doPartitioning(self.storage)
parent = dev
try:
ac_add = blivet.deviceaction.ActionAddMember(container, parent)
self.storage.devicetree.registerAction(ac_add)
actions.append(ac_add)
except Exception as e: # pylint: disable=broad-except
return ReturnList(success=False,
actions=None,
message=None,
exception=e,
traceback=sys.exc_info()[2])
return ReturnList(success=True,
actions=actions,
message=None,
exception=None,
traceback=None)
def test_extended_min_size(self):
with sparsetmpfile("extendedtest", Size("10 MiB")) as disk_file:
disk = DiskFile(disk_file)
disk.format = get_format("disklabel", device=disk.path, label_type="msdos")
grain_size = Size(disk.format.alignment.grainSize)
sector_size = Size(disk.format.parted_device.sectorSize)
extended_start = int(grain_size)
extended_end = extended_start + int(Size("6 MiB") / sector_size)
disk.format.add_partition(extended_start, extended_end, parted.PARTITION_EXTENDED)
extended = disk.format.extended_partition
self.assertNotEqual(extended, None)
extended_device = PartitionDevice(os.path.basename(extended.path))
extended_device.disk = disk
extended_device.exists = True
extended_device.parted_partition = extended
# no logical partitions --> min size should be max of 1 KiB and grain_size
self.assertEqual(extended_device.min_size,
extended_device.align_target_size(max(grain_size, Size("1 KiB"))))
logical_start = extended_start + 1
logical_end = extended_end // 2
disk.format.add_partition(logical_start, logical_end, parted.PARTITION_LOGICAL)
logical = disk.format.parted_disk.getPartitionBySector(logical_start)
self.assertNotEqual(logical, None)
logical_device = PartitionDevice(os.path.basename(logical.path))
logical_device.disk = disk
logical_device.exists = True
logical_device.parted_partition = logical
# logical partition present --> min size should be based on its end sector
end_free = (extended_end - logical_end) * sector_size
self.assertEqual(extended_device.min_size,
extended_device.align_target_size(extended_device.current_size - end_free))
def test_get_device_partitions(self):
"""Test GetDevicePartitions."""
self.module.on_storage_changed(create_storage())
dev1 = DiskDevice("dev1")
self._add_device(dev1)
dev2 = DiskDevice("dev2", fmt=get_format("disklabel"))
self._add_device(dev2)
dev3 = PartitionDevice("dev3")
dev2.add_child(dev3)
self._add_device(dev3)
self.assertEqual(self.interface.GetDevicePartitions("dev1"), [])
self.assertEqual(self.interface.GetDevicePartitions("dev2"), ["dev3"])
self.assertEqual(self.interface.GetDevicePartitions("dev3"), [])
def generate_device_factory_permissions_test(self):
"""Test GenerateDeviceFactoryPermissions."""
dev1 = DiskDevice("dev1",
fmt=get_format("disklabel"),
size=Size("10 GiB"),
exists=True)
dev2 = PartitionDevice("dev2",
size=Size("5 GiB"),
parents=[dev1],
fmt=get_format("ext4",
mountpoint="/",
label="root"))
self._add_device(dev1)
self._add_device(dev2)
request = self.interface.GenerateDeviceFactoryRequest("dev1")
permissions = self.interface.GenerateDeviceFactoryPermissions(request)
self.assertEqual(
get_native(permissions), {
'mount-point': False,
'reformat': True,
'format-type': True,
'label': True,
'device-type': False,
'device-name': False,
'device-size': False,
'device-encrypted': True,
'device-raid-level': False,
})
request = self.interface.GenerateDeviceFactoryRequest("dev2")
permissions = self.interface.GenerateDeviceFactoryPermissions(request)
self.assertEqual(
get_native(permissions), {
'mount-point': True,
'reformat': False,
'format-type': True,
'label': True,
'device-type': True,
'device-name': False,
'device-size': True,
'device-encrypted': True,
'device-raid-level': True,
})
def test_match(self):
"""Test boot format populator helper match method"""
if self.helper_class is None:
return
partition = PartitionDevice("testpartitiondev")
storagedev = StorageDevice("teststoragedev")
storagedev.bootable = True
data = dict()
fmt_class = get_device_format_class(self.helper_class._type_specifier)
if fmt_class is None:
self.skipTest("failed to look up format class for %s" % self.helper_class._type_specifier)
data["ID_FS_TYPE"] = self.helper_class._base_type_specifier
partition._bootable = self.helper_class._bootable
min_size = fmt_class._min_size
max_size = fmt_class._max_size
partition._size = min_size
storagedev._size = min_size
self.assertTrue(self.helper_class.match(data, partition))
# These are only valid for partitions.
self.assertFalse(self.helper_class.match(data, storagedev))
data["ID_FS_TYPE"] += "x"
self.assertFalse(self.helper_class.match(data, partition))
data["ID_FS_TYPE"] = self.helper_class._base_type_specifier
if self.helper_class._bootable:
partition._bootable = False
self.assertFalse(self.helper_class.match(data, partition))
partition._bootable = True
if max_size:
partition._size = max_size + 1
elif min_size:
partition._size = min_size - 1
self.assertFalse(self.helper_class.match(data, partition))
partition._size = min_size
def setUp(self):
dev1 = DiskDevice("name",
fmt=get_format("mdmember"),
size=Size("1 GiB"))
dev2 = DiskDevice("other")
self.part = PartitionDevice("part",
fmt=get_format("mdmember"),
parents=[dev2])
self.dev = MDRaidArrayDevice("dev",
level="raid1",
parents=[dev1, self.part],
fmt=get_format("luks"),
total_devices=2,
member_devices=2)
self.luks = LUKSDevice("luks",
parents=[self.dev],
fmt=get_format("ext4"))
self.mdraid_method = availability.BLOCKDEV_MDRAID_PLUGIN._method
self.dm_method = availability.BLOCKDEV_DM_PLUGIN._method
self.hfsplus_method = availability.MKFS_HFSPLUS_APP._method
self.cache_availability = availability.CACHE_AVAILABILITY
self.addCleanup(self._clean_up)
def test_weight_1(self, *patches):
arch = patches[0]
dev = PartitionDevice('req1', exists=False)
arch.is_x86.return_value = False
arch.is_efi.return_value = False
arch.is_arm.return_value = False
arch.is_ppc.return_value = False
dev.req_base_weight = -7
self.assertEqual(dev.weight, -7)
dev.req_base_weight = None
with patch.object(dev, "_format") as fmt:
fmt.mountable = True
# weights for / and /boot are not platform-specific (except for arm)
fmt.mountpoint = "/"
self.assertEqual(dev.weight, 0)
fmt.mountpoint = "/boot"
self.assertEqual(dev.weight, 2000)
#
# x86 (BIOS)
#
arch.is_x86.return_value = True
arch.is_efi.return_value = False
# user-specified weight should override other logic
dev.req_base_weight = -7
self.assertEqual(dev.weight, -7)
dev.req_base_weight = None
fmt.mountpoint = ""
self.assertEqual(dev.weight, 0)
fmt.type = "biosboot"
self.assertEqual(dev.weight, 5000)
fmt.mountpoint = "/boot/efi"
fmt.type = "efi"
self.assertEqual(dev.weight, 0)
#
# UEFI
#
arch.is_x86.return_value = False
arch.is_efi.return_value = True
self.assertEqual(dev.weight, 5000)
fmt.type = "biosboot"
self.assertEqual(dev.weight, 0)
fmt.mountpoint = "/"
self.assertEqual(dev.weight, 0)
#
# arm
#
arch.is_x86.return_value = False
arch.is_efi.return_value = False
arch.is_arm.return_value = True
fmt.mountpoint = "/"
self.assertEqual(dev.weight, -100)
#
# ppc
#
arch.is_arm.return_value = False
arch.is_ppc.return_value = True
arch.is_pmac.return_value = False
arch.is_ipseries.return_value = False
fmt.mountpoint = "/"
self.assertEqual(dev.weight, 0)
fmt.type = "prepboot"
self.assertEqual(dev.weight, 0)
fmt.type = "appleboot"
self.assertEqual(dev.weight, 0)
arch.is_pmac.return_value = True
self.assertEqual(dev.weight, 5000)
fmt.type = "prepboot"
self.assertEqual(dev.weight, 0)
arch.is_pmac.return_value = False
arch.is_ipseries.return_value = True
self.assertEqual(dev.weight, 5000)
fmt.type = "appleboot"
self.assertEqual(dev.weight, 0)
fmt.mountpoint = "/boot/efi"
fmt.type = "efi"
self.assertEqual(dev.weight, 0)
fmt.type = "biosboot"
self.assertEqual(dev.weight, 0)
fmt.mountpoint = "/"
self.assertEqual(dev.weight, 0)
fmt.mountpoint = "/boot"
self.assertEqual(dev.weight, 2000)
def generate_device_factory_request_test(self, blockdev):
device = StorageDevice("dev1")
with self.assertRaises(UnsupportedDeviceError):
utils.generate_device_factory_request(self.storage, device)
disk = DiskDevice("dev2")
request = utils.generate_device_factory_request(self.storage, disk)
self.assertEqual(DeviceFactoryRequest.to_structure(request), {
"device-spec": get_variant(Str, "dev2"),
"disks": get_variant(List[Str], ["dev2"]),
"mount-point": get_variant(Str, ""),
"reformat": get_variant(Bool, False),
"format-type": get_variant(Str, ""),
"label": get_variant(Str, ""),
"luks-version": get_variant(Str, ""),
"device-type": get_variant(Int, devicefactory.DEVICE_TYPE_DISK),
"device-name": get_variant(Str, "dev2"),
"device-size": get_variant(UInt64, 0),
"device-encrypted": get_variant(Bool, False),
"device-raid-level": get_variant(Str, ""),
"container-spec": get_variant(Str, ""),
"container-name": get_variant(Str, ""),
"container-size-policy": get_variant(Int64, devicefactory.SIZE_POLICY_AUTO),
"container-encrypted": get_variant(Bool, False),
"container-raid-level": get_variant(Str, ""),
})
partition = PartitionDevice(
"dev3",
size=Size("5 GiB"),
parents=[disk],
fmt=get_format("ext4", mountpoint="/", label="root")
)
request = utils.generate_device_factory_request(self.storage, partition)
self.assertEqual(DeviceFactoryRequest.to_structure(request), {
"device-spec": get_variant(Str, "dev3"),
"disks": get_variant(List[Str], ["dev2"]),
"mount-point": get_variant(Str, "/"),
"reformat": get_variant(Bool, True),
"format-type": get_variant(Str, "ext4"),
"label": get_variant(Str, "root"),
"luks-version": get_variant(Str, ""),
"device-type": get_variant(Int, devicefactory.DEVICE_TYPE_PARTITION),
"device-name": get_variant(Str, "dev3"),
"device-size": get_variant(UInt64, Size("5 GiB").get_bytes()),
"device-encrypted": get_variant(Bool, False),
"device-raid-level": get_variant(Str, ""),
"container-spec": get_variant(Str, ""),
"container-name": get_variant(Str, ""),
"container-size-policy": get_variant(Int64, devicefactory.SIZE_POLICY_AUTO),
"container-encrypted": get_variant(Bool, False),
"container-raid-level": get_variant(Str, ""),
})
pv1 = StorageDevice(
"pv1",
size=Size("1025 MiB"),
fmt=get_format("lvmpv")
)
pv2 = StorageDevice(
"pv2",
size=Size("513 MiB"),
fmt=get_format("lvmpv")
)
vg = LVMVolumeGroupDevice(
"testvg",
parents=[pv1, pv2]
)
lv = LVMLogicalVolumeDevice(
"testlv",
size=Size("512 MiB"),
parents=[vg],
fmt=get_format("xfs"),
exists=False,
seg_type="raid1",
pvs=[pv1, pv2]
)
request = utils.generate_device_factory_request(self.storage, lv)
self.assertEqual(DeviceFactoryRequest.to_structure(request), {
"device-spec": get_variant(Str, "testvg-testlv"),
"disks": get_variant(List[Str], []),
"mount-point": get_variant(Str, ""),
"reformat": get_variant(Bool, True),
"format-type": get_variant(Str, "xfs"),
"label": get_variant(Str, ""),
"luks-version": get_variant(Str, ""),
"device-type": get_variant(Int, devicefactory.DEVICE_TYPE_LVM),
"device-name": get_variant(Str, "testlv"),
"device-size": get_variant(UInt64, Size("508 MiB").get_bytes()),
"device-encrypted": get_variant(Bool, False),
"device-raid-level": get_variant(Str, ""),
"container-spec": get_variant(Str, "testvg"),
"container-name": get_variant(Str, "testvg"),
"container-size-policy": get_variant(Int64, Size("1.5 GiB")),
"container-encrypted": get_variant(Bool, False),
"container-raid-level": get_variant(Str, ""),
})
def generate_device_factory_request_partition_test(self, blockdev):
disk = DiskDevice("dev2")
request = utils.generate_device_factory_request(self.storage, disk)
self.assertEqual(
DeviceFactoryRequest.to_structure(request), {
"device-spec":
get_variant(Str, "dev2"),
"disks":
get_variant(List[Str], ["dev2"]),
"mount-point":
get_variant(Str, ""),
"reformat":
get_variant(Bool, False),
"format-type":
get_variant(Str, ""),
"label":
get_variant(Str, ""),
"luks-version":
get_variant(Str, ""),
"device-type":
get_variant(Int, devicefactory.DEVICE_TYPE_DISK),
"device-name":
get_variant(Str, "dev2"),
"device-size":
get_variant(UInt64, 0),
"device-encrypted":
get_variant(Bool, False),
"device-raid-level":
get_variant(Str, ""),
"container-spec":
get_variant(Str, ""),
"container-name":
get_variant(Str, ""),
"container-size-policy":
get_variant(Int64, devicefactory.SIZE_POLICY_AUTO),
"container-encrypted":
get_variant(Bool, False),
"container-raid-level":
get_variant(Str, ""),
})
partition = PartitionDevice("dev3",
size=Size("5 GiB"),
parents=[disk],
fmt=get_format("ext4",
mountpoint="/",
label="root"))
request = utils.generate_device_factory_request(
self.storage, partition)
self.assertEqual(
DeviceFactoryRequest.to_structure(request), {
"device-spec":
get_variant(Str, "dev3"),
"disks":
get_variant(List[Str], ["dev2"]),
"mount-point":
get_variant(Str, "/"),
"reformat":
get_variant(Bool, True),
"format-type":
get_variant(Str, "ext4"),
"label":
get_variant(Str, "root"),
"luks-version":
get_variant(Str, ""),
"device-type":
get_variant(Int, devicefactory.DEVICE_TYPE_PARTITION),
"device-name":
get_variant(Str, "dev3"),
"device-size":
get_variant(UInt64,
Size("5 GiB").get_bytes()),
"device-encrypted":
get_variant(Bool, False),
"device-raid-level":
get_variant(Str, ""),
"container-spec":
get_variant(Str, ""),
"container-name":
get_variant(Str, ""),
"container-size-policy":
get_variant(Int64, devicefactory.SIZE_POLICY_AUTO),
"container-encrypted":
get_variant(Bool, False),
"container-raid-level":
get_variant(Str, ""),
})
def setUp(self):
"""Create some device objects to test with.
This sets up two disks (sda, sdb). The first partition of each
is a biosboot partition. The second partitions comprise a RAID1
array formatted as /boot.
sda additionally contains a third partition formatted as ext4.
"""
super(GRUBRaidSimpleTest, self).setUp()
# Make some disks
self.sda = DiskDevice(name="sda", size=Size("100 GiB"))
self.sda.format = get_format("disklabel")
self.sdb = DiskDevice(name="sdb", size=Size("100 GiB"))
self.sdb.format = get_format("disklabel")
# Set up biosboot partitions, an mdarray for /boot, and a btrfs array on sda + sdb.
# Start with the partitions
self.sda1 = PartitionDevice(name="sda1",
parents=[self.sda],
size=Size("1 MiB"))
self.sda1.format = get_format("biosboot")
self.sda2 = PartitionDevice(name="sda2",
parents=[self.sda],
size=Size("500 MiB"))
self.sda2.format = get_format("mdmember")
self.sda4 = PartitionDevice(name="sda4",
parents=[self.sda],
size=Size("500 MiB"))
self.sda4.format = get_format("btrfs")
self.sdb1 = PartitionDevice(name="sdb1",
parents=[self.sdb],
size=Size("1 MiB"))
self.sdb1.format = get_format("biosboot")
self.sdb2 = PartitionDevice(name="sdb2",
parents=[self.sdb],
size=Size("500 MiB"))
self.sdb2.format = get_format("mdmember")
self.sdb4 = PartitionDevice(name="sdb4",
parents=[self.sdb],
size=Size("4 GiB"))
self.sdb4.format = get_format("btrfs")
# Add an extra partition for /boot on not-RAID
self.sda3 = PartitionDevice(name="sda3",
parents=[self.sda],
size=Size("500 MiB"))
self.sda3.format = get_format("ext4", mountpoint="/boot")
# Pretend that the partitions are real with real parent disks
for part in (self.sda1, self.sda2, self.sda3, self.sda4, self.sdb1,
self.sdb2, self.sdb4):
part.parents = part.req_disks
self.boot_md = MDRaidArrayDevice(name="md1",
size=Size("500 MiB"),
parents=[self.sda2, self.sdb2],
level=1,
member_devices=2,
total_devices=2)
self.boot_md.format = get_format("ext4", mountpoint="/boot")
# Set up the btrfs raid1 volume with a subvolume for /boot
self.btrfs_volume = BTRFSVolumeDevice(parents=[self.sda4, self.sdb4],
data_level=RAID1)
self.btrfs_volume.format = get_format("btrfs")
self.boot_btrfs = BTRFSSubVolumeDevice(parents=[self.btrfs_volume])
self.boot_btrfs.format = get_format("btrfs", mountpoint="/boot")
self.grub = GRUB2()
def test_target_size(self):
with sparsetmpfile("targetsizetest", Size("10 MiB")) as disk_file:
disk = DiskFile(disk_file)
disk.format = get_format("disklabel", device=disk.path, label_type="msdos")
grain_size = Size(disk.format.alignment.grainSize)
sector_size = Size(disk.format.parted_device.sectorSize)
start = int(grain_size)
orig_size = Size("6 MiB")
end = start + int(orig_size / sector_size) - 1
disk.format.add_partition(start, end)
partition = disk.format.parted_disk.getPartitionBySector(start)
self.assertNotEqual(partition, None)
self.assertEqual(orig_size, Size(partition.getLength(unit='B')))
device = PartitionDevice(os.path.basename(partition.path),
size=orig_size)
device.disk = disk
device.exists = True
device.parted_partition = partition
device.format = get_format("ext4", device=device.path)
device.format.exists = True
# grain size should be 1 MiB
device.format._min_instance_size = Size("2 MiB") + (grain_size / 2)
device.format._resizable = True
# Make sure things are as expected to begin with.
self.assertEqual(device.size, orig_size)
self.assertEqual(device.min_size, Size("3 MiB"))
# start sector's at 1 MiB
self.assertEqual(device.max_size, Size("9 MiB"))
# ValueError if not Size
with six.assertRaisesRegex(self, ValueError,
"new size must.*type Size"):
device.target_size = 22
self.assertEqual(device.target_size, orig_size)
# ValueError if size smaller than min_size
with six.assertRaisesRegex(self, ValueError,
"size.*smaller than the minimum"):
device.target_size = Size("1 MiB")
self.assertEqual(device.target_size, orig_size)
# ValueError if size larger than max_size
with six.assertRaisesRegex(self, ValueError,
"size.*larger than the maximum"):
device.target_size = Size("11 MiB")
self.assertEqual(device.target_size, orig_size)
# ValueError if unaligned
with six.assertRaisesRegex(self, ValueError, "new size.*not.*aligned"):
device.target_size = Size("3.1 MiB")
self.assertEqual(device.target_size, orig_size)
# successfully set a new target size
new_target = device.max_size
device.target_size = new_target
self.assertEqual(device.target_size, new_target)
self.assertEqual(device.size, new_target)
parted_size = Size(device.parted_partition.getLength(unit='B'))
self.assertEqual(parted_size, device.target_size)
# reset target size to original size
device.target_size = orig_size
self.assertEqual(device.target_size, orig_size)
self.assertEqual(device.size, orig_size)
parted_size = Size(device.parted_partition.getLength(unit='B'))
self.assertEqual(parted_size, device.target_size)
def test_min_max_size_alignment(self):
with sparsetmpfile("minsizetest", Size("10 MiB")) as disk_file:
disk = DiskFile(disk_file)
disk.format = get_format("disklabel", device=disk.path)
grain_size = Size(disk.format.alignment.grainSize)
sector_size = Size(disk.format.parted_device.sectorSize)
start = int(grain_size)
end = start + int(Size("6 MiB") / sector_size)
disk.format.add_partition(start, end)
partition = disk.format.parted_disk.getPartitionBySector(start)
self.assertNotEqual(partition, None)
device = PartitionDevice(os.path.basename(partition.path))
device.disk = disk
device.exists = True
device.parted_partition = partition
# Typical sector size is 512 B.
# Default optimum alignment grain size is 2048 sectors, or 1 MiB.
device.format = get_format("ext4", device=device.path)
device.format.exists = True
device.format._min_instance_size = Size("2 MiB") + (grain_size / 2)
device.format._resizable = True
##
# min_size
##
# The end sector based only on format min size should be unaligned.
min_sectors = int(device.format.min_size / sector_size)
min_end_sector = partition.geometry.start + min_sectors - 1
self.assertEqual(
disk.format.end_alignment.isAligned(partition.geometry,
min_end_sector),
False)
# The end sector based on device min size should be aligned.
min_sectors = int(device.min_size / sector_size)
min_end_sector = partition.geometry.start + min_sectors - 1
self.assertEqual(
disk.format.end_alignment.isAligned(partition.geometry,
min_end_sector),
True)
##
# max_size
##
# Add a partition starting three sectors past an aligned sector and
# extending to the end of the disk so that there's a free region
# immediately following the first partition with an unaligned end
# sector.
free = disk.format.parted_disk.getFreeSpaceRegions()[-1]
raw_start = int(Size("9 MiB") / sector_size)
start = disk.format.alignment.alignUp(free, raw_start) + 3
disk.format.add_partition(start, disk.format.parted_device.length - 1)
# Verify the end of the free region immediately following the first
# partition is unaligned.
free = disk.format.parted_disk.getFreeSpaceRegions()[1]
self.assertEqual(disk.format.end_alignment.isAligned(free, free.end),
False)
# The end sector based on device min size should be aligned.
max_sectors = int(device.max_size / sector_size)
max_end_sector = partition.geometry.start + max_sectors - 1
self.assertEqual(
disk.format.end_alignment.isAligned(free, max_end_sector),
True)
def test_match(self):
"""Test boot format populator helper match method"""
if self.helper_class is None:
return
partition = PartitionDevice("testpartitiondev")
storagedev = StorageDevice("teststoragedev")
storagedev.bootable = True
data = dict()
fmt_class = get_device_format_class(self.helper_class._type_specifier)
if fmt_class is None:
self.skipTest("failed to look up format class for %s" % self.helper_class._type_specifier)
data["ID_FS_TYPE"] = self.helper_class._base_type_specifier
partition._bootable = self.helper_class._bootable
min_size = fmt_class._min_size
max_size = fmt_class._max_size
partition._size = min_size
storagedev._size = min_size
if fmt_class._name:
partition._parted_partition = FakePartedPart(partition, fmt_class._name)
self.assertTrue(self.helper_class.match(data, partition))
# These are only valid for partitions.
self.assertFalse(self.helper_class.match(data, storagedev))
data["ID_FS_TYPE"] += "x"
self.assertFalse(self.helper_class.match(data, partition))
data["ID_FS_TYPE"] = self.helper_class._base_type_specifier
if self.helper_class._bootable:
partition._bootable = False
self.assertFalse(self.helper_class.match(data, partition))
partition._bootable = True
if max_size:
partition._size = max_size + 1
elif min_size:
partition._size = min_size - 1
self.assertFalse(self.helper_class.match(data, partition))
partition._size = min_size
# we don't always match on the parted partition name, so allow
# subclasses to decide
if not self.name_mismatch_ok:
orig = partition._parted_partition
partition._parted_partition = FakePartedPart(partition, 'dontmatchanything')
self.assertFalse(self.helper_class.match(data, partition))
# shouldn't crash
partition._parted_partition = None
self.assertFalse(self.helper_class.match(data, partition))
partition._parted_partition = orig