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import re
import tempfile
from packaging.version import Version
from .fs_test import FSTestCase, FSNoDevTestCase, mounted
import overrides_hack
import utils
from utils import TestTags, tag_test
from gi.repository import BlockDev, GLib
def _get_dosfstools_version():
_ret, out, _err = utils.run_command("mkfs.vfat --help")
# mkfs.fat 4.1 (2017-01-24)
m = re.search(r"mkfs\.fat ([\d\.]+)", out)
if not m or len(m.groups()) != 1:
raise RuntimeError("Failed to determine dosfstools version from: %s" % out)
return Version(m.groups()[0])
DOSFSTOOLS_VERSION = _get_dosfstools_version()
class VfatNoDevTestCase(FSNoDevTestCase):
pass
class VfatTestCase(FSTestCase):
def setUp(self):
super(VfatTestCase, self).setUp()
self.mount_dir = tempfile.mkdtemp(prefix="libblockdev.", suffix="vfat_test")
if DOSFSTOOLS_VERSION <= Version("4.1"):
self._mkfs_options = None
else:
self._mkfs_options = [BlockDev.ExtraArg.new("--mbr=n", "")]
class VfatTestAvailability(VfatNoDevTestCase):
@utils.required_plugins(("tools",))
def test_vfat_available(self):
"""Verify that it is possible to check vfat tech availability"""
available = BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT,
BlockDev.FSTechMode.MKFS |
BlockDev.FSTechMode.QUERY |
BlockDev.FSTechMode.REPAIR |
BlockDev.FSTechMode.CHECK |
BlockDev.FSTechMode.SET_LABEL |
BlockDev.FSTechMode.RESIZE)
self.assertTrue(available)
if DOSFSTOOLS_VERSION >= Version("4.2"):
uuid_avail = BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.SET_UUID)
self.assertTrue(uuid_avail)
else:
with self.assertRaisesRegex(GLib.GError, "Too low version of fatlabel"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.SET_UUID)
BlockDev.reinit(self.requested_plugins, True, None)
# now try without mkfs.vfat
with utils.fake_path(all_but="mkfs.vfat"):
with self.assertRaisesRegex(GLib.GError, "The 'mkfs.vfat' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.MKFS)
# now try without fsck.vfat
with utils.fake_path(all_but="fsck.vfat"):
with self.assertRaisesRegex(GLib.GError, "The 'fsck.vfat' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.CHECK)
with self.assertRaisesRegex(GLib.GError, "The 'fsck.vfat' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.REPAIR)
with self.assertRaisesRegex(GLib.GError, "The 'fsck.vfat' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.QUERY)
# now try without fatlabel
with utils.fake_path(all_but="fatlabel"):
with self.assertRaisesRegex(GLib.GError, "The 'fatlabel' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.SET_LABEL)
with self.assertRaisesRegex(GLib.GError, "The 'fatlabel' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.SET_UUID)
# now try without vfat-resize
with utils.fake_path(all_but="vfat-resize"):
with self.assertRaisesRegex(GLib.GError, "The 'vfat-resize' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.VFAT, BlockDev.FSTechMode.RESIZE)
class VfatTestFeatures(VfatNoDevTestCase):
def test_vfat_features(self):
features = BlockDev.fs_features("vfat")
self.assertIsNotNone(features)
self.assertTrue(features.resize & BlockDev.FSResizeFlags.OFFLINE_GROW)
self.assertTrue(features.resize & BlockDev.FSResizeFlags.OFFLINE_SHRINK)
self.assertTrue(features.mkfs & BlockDev.FSMkfsOptionsFlags.LABEL)
self.assertTrue(features.mkfs & BlockDev.FSMkfsOptionsFlags.UUID)
self.assertFalse(features.mkfs & BlockDev.FSMkfsOptionsFlags.DRY_RUN)
self.assertFalse(features.mkfs & BlockDev.FSMkfsOptionsFlags.NODISCARD)
self.assertTrue(features.mkfs & BlockDev.FSMkfsOptionsFlags.FORCE)
self.assertTrue(features.mkfs & BlockDev.FSMkfsOptionsFlags.NOPT)
self.assertTrue(features.fsck & BlockDev.FSFsckFlags.CHECK)
self.assertTrue(features.fsck & BlockDev.FSFsckFlags.REPAIR)
self.assertTrue(features.configure & BlockDev.FSConfigureFlags.LABEL)
self.assertTrue(features.configure & BlockDev.FSConfigureFlags.UUID)
self.assertEqual(features.features, BlockDev.FSFeatureFlags.PARTITION_TABLE)
self.assertEqual(features.partition_id, "0x0c")
self.assertEqual(features.partition_type, "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7")
class VfatTestMkfs(VfatTestCase):
def test_vfat_mkfs(self):
"""Verify that it is possible to create a new vfat file system"""
with self.assertRaises(GLib.GError):
BlockDev.fs_vfat_mkfs("/non/existing/device", self._mkfs_options)
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, self._mkfs_options)
self.assertTrue(succ)
# just try if we can mount the file system
with mounted(self.loop_dev, self.mount_dir):
pass
# check the fstype
fstype = BlockDev.fs_get_fstype(self.loop_dev)
self.assertEqual(fstype, "vfat")
BlockDev.fs_wipe(self.loop_dev, True)
class VfatMkfsWithLabel(VfatTestCase):
def test_vfat_mkfs_with_label(self):
"""Verify that it is possible to create an vfat file system with label"""
ea = BlockDev.ExtraArg.new("-n", "TEST_LABEL")
if self._mkfs_options:
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, [ea] + self._mkfs_options)
else:
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, [ea])
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.label, "TEST_LABEL")
class VfatTestCheck(VfatTestCase):
def test_vfat_check(self):
"""Verify that it is possible to check an vfat file system"""
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, self._mkfs_options)
self.assertTrue(succ)
succ = BlockDev.fs_vfat_check(self.loop_dev, None)
self.assertTrue(succ)
succ = BlockDev.fs_vfat_check(self.loop_dev, None)
self.assertTrue(succ)
class VfatTestRepair(VfatTestCase):
def test_vfat_repair(self):
"""Verify that it is possible to repair an vfat file system"""
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, self._mkfs_options)
self.assertTrue(succ)
succ = BlockDev.fs_vfat_repair(self.loop_dev, None)
self.assertTrue(succ)
class VfatGetInfo(VfatTestCase):
def test_vfat_get_info(self):
"""Verify that it is possible to get info about an vfat file system"""
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, self._mkfs_options)
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.label, "")
# should be an non-empty string
self.assertTrue(fi.uuid)
class VfatSetLabel(VfatTestCase):
def test_vfat_set_label(self):
"""Verify that it is possible to set label of an vfat file system"""
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, self._mkfs_options)
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.label, "")
succ = BlockDev.fs_vfat_set_label(self.loop_dev, "TEST_LABEL")
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.label, "TEST_LABEL")
succ = BlockDev.fs_vfat_set_label(self.loop_dev, "TEST_LABEL2")
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.label, "TEST_LABEL2")
succ = BlockDev.fs_vfat_set_label(self.loop_dev, "")
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.label, "")
succ = BlockDev.fs_vfat_check_label("TEST_LABEL")
self.assertTrue(succ)
with self.assertRaisesRegex(GLib.GError, "at most 11 characters long."):
BlockDev.fs_vfat_check_label(12 * "a")
class VfatSetUUID(VfatTestCase):
def test_vfat_set_uuid(self):
"""Verify that it is possible to set UUID/volume ID of an vfat file system"""
if DOSFSTOOLS_VERSION <= Version("4.1"):
self.skipTest("dosfstools >= 4.2 needed to set UUID")
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, self._mkfs_options)
self.assertTrue(succ)
succ = BlockDev.fs_vfat_set_uuid(self.loop_dev, "2E24EC82")
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.uuid, "2E24-EC82")
# should be also support with the dash
succ = BlockDev.fs_vfat_set_uuid(self.loop_dev, "2E24-EC82")
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.uuid, "2E24-EC82")
succ = BlockDev.fs_vfat_set_uuid(self.loop_dev, "")
self.assertTrue(succ)
fi = BlockDev.fs_vfat_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertTrue(fi.uuid) # new random, not empty
self.assertNotEqual(fi.uuid, "2E24-EC82")
succ = BlockDev.fs_vfat_check_uuid("2E24EC82")
self.assertTrue(succ)
succ = BlockDev.fs_vfat_check_uuid("2E24-EC82")
self.assertTrue(succ)
succ = BlockDev.fs_vfat_check_uuid("0000-0000")
self.assertTrue(succ)
with self.assertRaisesRegex(GLib.GError, "must be a hexadecimal number."):
BlockDev.fs_vfat_check_uuid("z")
with self.assertRaisesRegex(GLib.GError, "must be a hexadecimal number."):
BlockDev.fs_vfat_check_uuid("aaaa-")
with self.assertRaisesRegex(GLib.GError, "must fit into 32 bits."):
BlockDev.fs_vfat_check_uuid(10 * "f")
@utils.required_plugins(("tools",))
class VfatResize(VfatTestCase):
def test_vfat_resize(self):
"""Verify that it is possible to resize an vfat file system"""
succ = BlockDev.fs_vfat_mkfs(self.loop_dev, self._mkfs_options)
self.assertTrue(succ)
# shrink
succ = BlockDev.fs_vfat_resize(self.loop_dev, 130 * 1024**2)
self.assertTrue(succ)
# grow
succ = BlockDev.fs_vfat_resize(self.loop_dev, 140 * 1024**2)
self.assertTrue(succ)
# shrink again
succ = BlockDev.fs_vfat_resize(self.loop_dev, 130 * 1024**2)
self.assertTrue(succ)
# resize to maximum size
succ = BlockDev.fs_vfat_resize(self.loop_dev, 0)
self.assertTrue(succ)
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