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|
#
# Copyright The pyparted Project Authors
# SPDX-License-Identifier: GPL-2.0-or-later
#
import _ped
import parted
import os
import tempfile
import unittest
# Base class for any test case that requires a temp device node
class RequiresDeviceNode(unittest.TestCase):
def setUp(self):
super().setUp()
self.temp_prefix = "temp-device-"
(self.fd, self.path) = tempfile.mkstemp(prefix=self.temp_prefix)
self.f = os.fdopen(self.fd)
self.f.seek(140000)
os.write(self.fd, b"0")
def tearDown(self):
os.close(self.fd)
if self.path and os.path.exists(self.path):
os.unlink(self.path)
self.fd = None
self.path = None
self.temp_prefix = None
# Base class for any test case that requires a _ped.Device or parted.Device
# object first.
class RequiresDevice(RequiresDeviceNode):
def setUp(self):
super().setUp()
self.addCleanup(self.removeDevice)
self._device = _ped.device_get(self.path)
self.device = parted.getDevice(self.path)
def removeDevice(self):
self.device = None
self._device = None
# Base class for any test case that requires a filesystem on a device.
class RequiresFileSystem(unittest.TestCase):
def setUp(self):
super().setUp()
self._fileSystemType = {}
ty = _ped.file_system_type_get_next()
self._fileSystemType[ty.name] = ty
while True:
try:
ty = _ped.file_system_type_get_next(ty)
self._fileSystemType[ty.name] = ty
except (IndexError, TypeError, _ped.UnknownTypeException):
break
self.temp_prefix = "temp-device-"
(
self.fd,
self.path,
) = tempfile.mkstemp(prefix=self.temp_prefix)
self.f = os.fdopen(self.fd)
self.f.seek(140000)
os.write(self.fd, b"0")
self.f.close()
os.system("mke2fs -F -q %s" % (self.path,))
self._device = _ped.device_get(self.path)
self._geometry = _ped.Geometry(self._device, 0, self._device.length - 1)
def tearDown(self):
if self.path and os.path.exists(self.path):
os.unlink(self.path)
self.mountpoint = None
# Base class for certain alignment tests that require a _ped.Device
class RequiresDeviceAlignment(RequiresDevice):
def roundDownTo(self, sector, grain_size):
if sector < 0:
shift = sector % grain_size + grain_size
else:
shift = sector % grain_size
return sector - shift
def roundUpTo(self, sector, grain_size):
if sector % grain_size:
return self.roundDownTo(sector, grain_size) + grain_size
else:
return sector
def closestInsideGeometry(self, alignment, geometry, sector):
if alignment.grain_size == 0:
if alignment.is_aligned(geometry, sector) and (
(geometry is None) or geometry.test_sector_inside(sector)
):
return sector
else:
return -1
if sector < geometry.start:
sector += self.roundUpTo(geometry.start - sector, alignment.grain_size)
if sector > geometry.end:
sector -= self.roundUpTo(sector - geometry.end, alignment.grain_size)
if not geometry.test_sector_inside(sector):
return -1
return sector
def closest(self, sector, a, b):
if a == -1:
return b
if b == -1:
return a
if abs(sector - a) < abs(sector - b):
return a
else:
return b
# Base class for any test case that requires a labeled device
class RequiresLabeledDevice(RequiresDevice):
def setUp(self):
super().setUp()
os.system("parted -s %s mklabel msdos" % (self.path,))
# Base class for any test case that requires a _ped.Disk or parted.Disk.
class RequiresDisk(RequiresDevice):
def setUp(self):
super().setUp()
self._disk = _ped.disk_new_fresh(self._device, _ped.disk_type_get("msdos"))
self.disk = parted.Disk(PedDisk=self._disk)
def reopen(self):
self._disk = _ped.disk_new(self._device)
self.disk = parted.Disk(PedDisk=self._disk)
# Base class for any test case that requires a GPT-labeled _ped.Disk or parted.Disk.
class RequiresGPTDisk(RequiresDevice):
def setUp(self):
super().setUp()
self._disk = _ped.disk_new_fresh(self._device, _ped.disk_type_get("gpt"))
self.disk = parted.Disk(PedDisk=self._disk)
def reopen(self):
self._disk = _ped.disk_new(self._device)
self.disk = parted.Disk(PedDisk=self._disk)
# Base class for any test case that requires a filesystem made and mounted.
class RequiresMount(RequiresDevice):
def setUp(self):
super().setUp()
self.addCleanup(self.removeMountpoint)
self.mountpoint = None
def mkfs(self):
os.system("mkfs.ext2 -F -q %s" % self.path)
def doMount(self):
self.mountpoint = tempfile.mkdtemp()
os.system("mount -o loop %s %s" % (self.path, self.mountpoint))
def removeMountpoint(self):
if self.mountpoint and os.path.exists(self.mountpoint):
os.system("umount %s" % self.mountpoint)
os.rmdir(self.mountpoint)
# Base class for any test case that requires a _ped.Partition.
class RequiresPartition(RequiresDisk):
def setUp(self):
super().setUp()
self._part = _ped.Partition(
disk=self._disk,
type=_ped.PARTITION_NORMAL,
start=1,
end=100,
fs_type=_ped.file_system_type_get("ext2"),
)
def reopen(self):
super().reopen()
self._part = self._disk.next_partition(self._disk.next_partition())
# Base class for any test case that requires a _ped.Partition on GPT disk.
class RequiresGPTPartition(RequiresGPTDisk):
def setUp(self):
super().setUp()
self._part = _ped.Partition(
disk=self._disk,
type=_ped.PARTITION_NORMAL,
start=0,
end=100,
fs_type=_ped.file_system_type_get("ext2"),
)
def reopen(self):
super().reopen()
self._part = self._disk.next_partition()
# Base class for any test case that requires a hash table of all
# _ped.DiskType objects available
class RequiresDiskTypes(unittest.TestCase):
def setUp(self):
super().setUp()
self.disktype = {}
ty = _ped.disk_type_get_next()
self.disktype[ty.name] = ty
while True:
try:
ty = _ped.disk_type_get_next(ty)
self.disktype[ty.name] = ty
except (IndexError, TypeError, _ped.UnknownTypeException):
break
# Base class for any test case that requires a list being built via successive
# calls of some function. The function must raise IndexError when there's no
# more output to add to the return list. This class is most useful for all
# those _get_next methods.
class BuildList:
def getDeviceList(self, func):
lst = []
prev = None
while True:
try:
if not prev:
prev = func()
else:
prev = func(prev)
lst.append(prev)
except IndexError:
break
return lst
|
