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import tempfile
import re
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 _check_fsck_f2fs_version():
# if it can run -V to get version it can do the check
ret, _out, _err = utils.run_command("fsck.f2fs -V")
return ret == 0
def _can_resize_f2fs():
ret, out, _err = utils.run_command("resize.f2fs -V")
if ret != 0:
# we can't even check the version
return False
m = re.search(r"resize.f2fs ([\d\.]+)", out)
if not m or len(m.groups()) != 1:
raise RuntimeError("Failed to determine f2fs version from: %s" % out)
return Version(m.groups()[0]) >= Version("1.12.0")
class F2FSNoDevTestCase(FSNoDevTestCase):
def setUp(self):
if not self.f2fs_avail:
self.skipTest("skipping F2FS: not available")
super(F2FSNoDevTestCase, self).setUp()
class F2FSTestCase(FSTestCase):
def setUp(self):
if not self.f2fs_avail:
self.skipTest("skipping F2FS: not available")
super(F2FSTestCase, self).setUp()
self.mount_dir = tempfile.mkdtemp(prefix="libblockdev.", suffix="f2fs_test")
class F2FSTestAvailability(F2FSNoDevTestCase):
def test_f2fs_available(self):
"""Verify that it is possible to check f2fs tech availability"""
available = BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS,
BlockDev.FSTechMode.MKFS |
BlockDev.FSTechMode.QUERY)
self.assertTrue(available)
with self.assertRaisesRegex(GLib.GError, "doesn't support setting UUID"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS, BlockDev.FSTechMode.SET_UUID)
with self.assertRaisesRegex(GLib.GError, "doesn't support setting label"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS, BlockDev.FSTechMode.SET_LABEL)
if _check_fsck_f2fs_version():
available = BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS,
BlockDev.FSTechMode.CHECK |
BlockDev.FSTechMode.REPAIR)
self.assertTrue(available)
if _can_resize_f2fs():
available = BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS,
BlockDev.FSTechMode.RESIZE)
self.assertTrue(available)
BlockDev.reinit(self.requested_plugins, True, None)
# now try without mkfs.f2fs
with utils.fake_path(all_but="mkfs.f2fs"):
with self.assertRaisesRegex(GLib.GError, "The 'mkfs.f2fs' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS, BlockDev.FSTechMode.MKFS)
# now try without fsck.f2fs
with utils.fake_path(all_but="fsck.f2fs"):
with self.assertRaisesRegex(GLib.GError, "The 'fsck.f2fs' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS, BlockDev.FSTechMode.CHECK)
with self.assertRaisesRegex(GLib.GError, "The 'fsck.f2fs' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS, BlockDev.FSTechMode.REPAIR)
# now try without dump.f2fs
with utils.fake_path(all_but="dump.f2fs"):
with self.assertRaisesRegex(GLib.GError, "The 'dump.f2fs' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS, BlockDev.FSTechMode.QUERY)
# now try without resize.f2fs
with utils.fake_path(all_but="resize.f2fs"):
with self.assertRaisesRegex(GLib.GError, "The 'resize.f2fs' utility is not available"):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS, BlockDev.FSTechMode.RESIZE)
def test_f2fs_fsck_too_low(self):
BlockDev.reinit(self.requested_plugins, True, None)
# now try fake "low version of f2fs
with utils.fake_utils("tests/fake_utils/fsck_f2fs_low_version/"):
with self.assertRaisesRegex(GLib.GError, "Too low version of fsck.f2fs. At least 1.11.0 required."):
BlockDev.fs_is_tech_avail(BlockDev.FSTech.F2FS, BlockDev.FSTechMode.CHECK)
class F2FSTestFeatures(F2FSNoDevTestCase):
def test_f2fs_features(self):
features = BlockDev.fs_features("f2fs")
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.assertFalse(features.mkfs & BlockDev.FSMkfsOptionsFlags.UUID)
self.assertFalse(features.mkfs & BlockDev.FSMkfsOptionsFlags.DRY_RUN)
self.assertTrue(features.mkfs & BlockDev.FSMkfsOptionsFlags.NODISCARD)
self.assertTrue(features.mkfs & BlockDev.FSMkfsOptionsFlags.FORCE)
self.assertFalse(features.mkfs & BlockDev.FSMkfsOptionsFlags.NOPT)
self.assertTrue(features.fsck & BlockDev.FSFsckFlags.CHECK)
self.assertTrue(features.fsck & BlockDev.FSFsckFlags.REPAIR)
self.assertEqual(features.configure, 0)
self.assertTrue(features.features & BlockDev.FSFeatureFlags.OWNERS)
self.assertFalse(features.features & BlockDev.FSFeatureFlags.PARTITION_TABLE)
self.assertEqual(features.partition_id, "0x83")
self.assertEqual(features.partition_type, "0fc63daf-8483-4772-8e79-3d69d8477de4")
class F2FSTestMkfs(F2FSTestCase):
def test_f2fs_mkfs(self):
"""Verify that it is possible to create a new f2fs file system"""
with self.assertRaises(GLib.GError):
BlockDev.fs_f2fs_mkfs("/non/existing/device", None)
succ = BlockDev.fs_f2fs_mkfs(self.loop_dev, None)
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, "f2fs")
BlockDev.fs_wipe(self.loop_dev, True)
class F2FSMkfsWithLabel(F2FSTestCase):
def test_f2fs_mkfs_with_label(self):
"""Verify that it is possible to create an f2fs file system with label"""
succ = BlockDev.fs_f2fs_check_label("TEST_LABEL")
self.assertTrue(succ)
with self.assertRaisesRegex(GLib.GError, "at most 512 characters long."):
BlockDev.fs_f2fs_check_label(513 * "a")
ea = BlockDev.ExtraArg.new("-l", "TEST_LABEL")
succ = BlockDev.fs_f2fs_mkfs(self.loop_dev, [ea])
self.assertTrue(succ)
fi = BlockDev.fs_f2fs_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.label, "TEST_LABEL")
class F2FSMkfsWithFeatures(F2FSTestCase):
def test_f2fs_mkfs_with_features(self):
"""Verify that it is possible to create an f2fs file system with extra features enabled"""
ea = BlockDev.ExtraArg.new("-O", "encrypt")
succ = BlockDev.fs_f2fs_mkfs(self.loop_dev, [ea])
self.assertTrue(succ)
fi = BlockDev.fs_f2fs_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertTrue(fi.features & BlockDev.FSF2FSFeature.ENCRYPT)
class F2FSTestCheck(F2FSTestCase):
def test_f2fs_check(self):
"""Verify that it is possible to check an f2fs file system"""
succ = BlockDev.fs_f2fs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
if not _check_fsck_f2fs_version():
with self.assertRaisesRegex(GLib.GError, "Too low version of fsck.f2fs. At least 1.11.0 required."):
BlockDev.fs_f2fs_check(self.loop_dev, None)
else:
succ = BlockDev.fs_f2fs_check(self.loop_dev, None)
self.assertTrue(succ)
class F2FSTestRepair(F2FSTestCase):
def test_f2fs_repair(self):
"""Verify that it is possible to repair an f2fs file system"""
succ = BlockDev.fs_f2fs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
succ = BlockDev.fs_f2fs_repair(self.loop_dev, None)
self.assertTrue(succ)
class F2FSGetInfo(F2FSTestCase):
def test_f2fs_get_info(self):
"""Verify that it is possible to get info about an f2fs file system"""
succ = BlockDev.fs_f2fs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
fi = BlockDev.fs_f2fs_get_info(self.loop_dev)
self.assertTrue(fi)
self.assertEqual(fi.label, "")
# should be an non-empty string
self.assertTrue(fi.uuid)
class F2FSResize(F2FSTestCase):
@tag_test(TestTags.UNSTABLE)
def test_f2fs_resize(self):
"""Verify that it is possible to resize an f2fs file system"""
succ = BlockDev.fs_f2fs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
# shrink without the safe option -- should fail
with self.assertRaises(GLib.GError):
BlockDev.fs_f2fs_resize(self.loop_dev, 100 * 1024**2 / 512, False)
# if we can't shrink we'll just check it returns some sane error
if not _can_resize_f2fs():
with self.assertRaisesRegex(GLib.GError, "Too low version of resize.f2fs. At least 1.12.0 required."):
BlockDev.fs_f2fs_resize(self.loop_dev, 100 * 1024**2 / 512, True)
return
succ = BlockDev.fs_f2fs_resize(self.loop_dev, 100 * 1024**2 / 512, True)
self.assertTrue(succ)
fi = BlockDev.fs_f2fs_get_info(self.loop_dev)
if fi.sector_size == 0:
# XXX latest versions of dump.f2fs don't print the sector size
self.skipTest("Cannot get sector size of the f2fs filesystem, skipping")
fi = BlockDev.fs_f2fs_get_info(self.loop_dev)
self.assertEqual(fi.sector_count * fi.sector_size, 100 * 1024**2)
# grow
succ = BlockDev.fs_f2fs_resize(self.loop_dev, 120 * 1024**2 / 512, True)
self.assertTrue(succ)
fi = BlockDev.fs_f2fs_get_info(self.loop_dev)
self.assertEqual(fi.sector_count * fi.sector_size, 120 * 1024**2)
# shrink again
succ = BlockDev.fs_f2fs_resize(self.loop_dev, 100 * 1024**2 / 512, True)
self.assertTrue(succ)
fi = BlockDev.fs_f2fs_get_info(self.loop_dev)
self.assertEqual(fi.sector_count * fi.sector_size, 100 * 1024**2)
# resize to maximum size
succ = BlockDev.fs_f2fs_resize(self.loop_dev, 0, False)
self.assertTrue(succ)
fi = BlockDev.fs_f2fs_get_info(self.loop_dev)
self.assertEqual(fi.sector_count * fi.sector_size, self.loop_size)
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