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import tempfile
from .fs_test import FSTestCase, FSNoDevTestCase, mounted
import overrides_hack
import utils
from utils import TestTags, tag_test
from gi.repository import BlockDev, GLib
class BtrfsNoDevTestCase(FSNoDevTestCase):
def setUp(self):
if not self.btrfs_avail:
self.skipTest("skipping Btrfs: not available")
super(BtrfsNoDevTestCase, self).setUp()
class BtrfsTestCase(FSTestCase):
loop_size = 500 * 1024**2
def setUp(self):
if not self.btrfs_avail:
self.skipTest("skipping Btrfs: not available")
super(BtrfsTestCase, self).setUp()
self.mount_dir = tempfile.mkdtemp(prefix="libblockdev.", suffix="btrfs_test")
class BtrfsTestFeatures(BtrfsNoDevTestCase):
def test_btrfs_features(self):
features = BlockDev.fs_features("btrfs")
self.assertIsNotNone(features)
self.assertTrue(features.resize & BlockDev.FSResizeFlags.ONLINE_GROW)
self.assertTrue(features.resize & BlockDev.FSResizeFlags.ONLINE_GROW)
self.assertTrue(features.mkfs & BlockDev.FSMkfsOptionsFlags.LABEL)
self.assertTrue(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.assertTrue(features.configure & BlockDev.FSConfigureFlags.LABEL)
self.assertTrue(features.configure & BlockDev.FSConfigureFlags.UUID)
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 BtrfsTestMkfs(BtrfsTestCase):
def test_btrfs_mkfs(self):
"""Verify that it is possible to create a new btrfs file system"""
with self.assertRaises(GLib.GError):
BlockDev.fs_btrfs_mkfs("/non/existing/device", None)
succ = BlockDev.fs_btrfs_mkfs(self.loop_dev)
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, "btrfs")
BlockDev.fs_wipe(self.loop_dev, True)
class BtrfsMkfsWithLabel(BtrfsTestCase):
def test_btrfs_mkfs_with_label(self):
"""Verify that it is possible to create a btrfs file system with label"""
ea = BlockDev.ExtraArg.new("-L", "test_label")
succ = BlockDev.fs_btrfs_mkfs(self.loop_dev, [ea])
self.assertTrue(succ)
with mounted(self.loop_dev, self.mount_dir):
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertTrue(fi)
self.assertEqual(fi.label, "test_label")
class BtrfsTestCheck(BtrfsTestCase):
def test_btrfs_check(self):
"""Verify that it is possible to check an btrfs file system"""
succ = BlockDev.fs_btrfs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
succ = BlockDev.fs_btrfs_check(self.loop_dev, None)
self.assertTrue(succ)
class BtrfsTestRepair(BtrfsTestCase):
def test_btrfs_repair(self):
"""Verify that it is possible to repair a btrfs file system"""
succ = BlockDev.fs_btrfs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
succ = BlockDev.fs_btrfs_repair(self.loop_dev, None)
self.assertTrue(succ)
class BtrfsGetInfo(BtrfsTestCase):
def test_btrfs_get_info(self):
"""Verify that it is possible to get info about a btrfs file system"""
succ = BlockDev.fs_btrfs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
with mounted(self.loop_dev, self.mount_dir):
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertTrue(fi)
self.assertEqual(fi.label, "")
# should be an non-empty string
self.assertTrue(fi.uuid)
self.assertGreater(fi.size, 0)
self.assertGreater(fi.free_space, 0)
self.assertGreater(fi.size, fi.free_space)
class BtrfsSetLabel(BtrfsTestCase):
def test_btrfs_set_label(self):
"""Verify that it is possible to set label of a btrfs file system"""
succ = BlockDev.fs_btrfs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
with mounted(self.loop_dev, self.mount_dir):
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertTrue(fi)
self.assertEqual(fi.label, "")
succ = BlockDev.fs_btrfs_set_label(self.mount_dir, "test_label")
self.assertTrue(succ)
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertTrue(fi)
self.assertEqual(fi.label, "test_label")
succ = BlockDev.fs_btrfs_set_label(self.mount_dir, "test_label2")
self.assertTrue(succ)
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertTrue(fi)
self.assertEqual(fi.label, "test_label2")
succ = BlockDev.fs_btrfs_set_label(self.mount_dir, "")
self.assertTrue(succ)
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertTrue(fi)
self.assertEqual(fi.label, "")
succ = BlockDev.fs_btrfs_check_label("test_label")
self.assertTrue(succ)
with self.assertRaisesRegex(GLib.GError, "at most 256 characters long."):
BlockDev.fs_btrfs_check_label(257 * "a")
with self.assertRaisesRegex(GLib.GError, "cannot contain new lines."):
BlockDev.fs_btrfs_check_label("a\nb")
class BtrfsSetUUID(BtrfsTestCase):
test_uuid = "4d7086c4-a4d3-432f-819e-73da03870df9"
def test_btrfs_set_uuid(self):
"""Verify that it is possible to set UUID of an btrfs file system"""
succ = BlockDev.fs_btrfs_mkfs(self.loop_dev, None)
self.assertTrue(succ)
succ = BlockDev.fs_btrfs_set_uuid(self.loop_dev, self.test_uuid)
self.assertTrue(succ)
with mounted(self.loop_dev, self.mount_dir):
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertTrue(fi)
self.assertEqual(fi.uuid, self.test_uuid)
# no uuid -> random
succ = BlockDev.fs_btrfs_set_uuid(self.loop_dev, None)
self.assertTrue(succ)
with mounted(self.loop_dev, self.mount_dir):
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertTrue(fi)
self.assertNotEqual(fi.uuid, "")
self.assertNotEqual(fi.uuid, self.test_uuid)
succ = BlockDev.fs_btrfs_check_uuid(self.test_uuid)
self.assertTrue(succ)
with self.assertRaisesRegex(GLib.GError, "not a valid RFC-4122 UUID"):
BlockDev.fs_btrfs_check_uuid("aaaaaaa")
class BtrfsResize(BtrfsTestCase):
def test_btrfs_resize(self):
"""Verify that it is possible to resize a btrfs file system"""
succ = BlockDev.fs_btrfs_mkfs(self.loop_dev)
self.assertTrue(succ)
with mounted(self.loop_dev, self.mount_dir):
succ = BlockDev.fs_btrfs_resize(self.mount_dir, 300 * 1024**2)
self.assertTrue(succ)
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertEqual(fi.size, 300 * 1024**2)
# grow
succ = BlockDev.fs_btrfs_resize(self.mount_dir, 350 * 1024**2)
self.assertTrue(succ)
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertEqual(fi.size, 350 * 1024**2)
# shrink again
succ = BlockDev.fs_btrfs_resize(self.mount_dir, 300 * 1024**2)
self.assertTrue(succ)
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertEqual(fi.size, 300 * 1024**2)
# resize to maximum size
succ = BlockDev.fs_btrfs_resize(self.mount_dir, 0)
self.assertTrue(succ)
fi = BlockDev.fs_btrfs_get_info(self.mount_dir)
self.assertEqual(fi.size, self.loop_size)
class BtrfsMultiDevice(BtrfsTestCase):
def _clean_up(self):
utils.umount(self.mount_dir)
BlockDev.fs_wipe(self.loop_dev2, True)
super(BtrfsMultiDevice, self)._clean_up()
def test_btrfs_multidevice(self):
"""Verify that filesystem plugin returns errors when used on multidevice volumes"""
ret, _out, _err = utils.run_command("mkfs.btrfs %s %s" % (self.loop_dev, self.loop_dev2))
self.assertEqual(ret, 0)
with mounted(self.loop_dev, self.mount_dir):
with self.assertRaisesRegex(GLib.GError, "Filesystem plugin is not suitable for multidevice Btrfs volumes"):
BlockDev.fs_btrfs_get_info(self.mount_dir)
with mounted(self.loop_dev, self.mount_dir):
with self.assertRaisesRegex(GLib.GError, "Filesystem plugin is not suitable for multidevice Btrfs volumes"):
BlockDev.fs_btrfs_resize(self.mount_dir, 0)
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