def testBTRFSSnapShotDeviceInit(self):
parents = [StorageDevice("p1", fmt=blivet.formats.getFormat("btrfs"))]
vol = BTRFSVolumeDevice("test", parents=parents)
with self.assertRaisesRegexp(ValueError, "non-existent btrfs snapshots must have a source"):
BTRFSSnapShotDevice("snap1", parents=[vol])
with self.assertRaisesRegexp(ValueError, "btrfs snapshot source must already exist"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=vol)
with self.assertRaisesRegexp(ValueError, "btrfs snapshot source must be a btrfs subvolume"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=parents[0])
parents2 = [StorageDevice("p1", fmt=blivet.formats.getFormat("btrfs"))]
vol2 = BTRFSVolumeDevice("test2", parents=parents2, exists=True)
with self.assertRaisesRegexp(ValueError, ".*snapshot and source must be in the same volume"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=vol2)
vol.exists = True
snap = BTRFSSnapShotDevice("snap1", parents=[vol], source=vol)
self.assertEqual(snap.isleaf, True)
self.assertEqual(snap.direct, True)
self.assertEqual(vol.isleaf, False)
self.assertEqual(vol.direct, True)
self.assertEqual(snap.dependsOn(vol), True)
self.assertEqual(vol.dependsOn(snap), False)
def test_btrfssnap_shot_device_init(self):
parents = [StorageDevice("p1", fmt=blivet.formats.get_format("btrfs"), size=BTRFS_MIN_MEMBER_SIZE)]
vol = BTRFSVolumeDevice("test", parents=parents)
with self.assertRaisesRegex(ValueError, "non-existent btrfs snapshots must have a source"):
BTRFSSnapShotDevice("snap1", parents=[vol])
with self.assertRaisesRegex(ValueError, "btrfs snapshot source must already exist"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=vol)
with self.assertRaisesRegex(ValueError, "btrfs snapshot source must be a btrfs subvolume"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=parents[0])
parents2 = [StorageDevice("p1", fmt=blivet.formats.get_format("btrfs"), size=BTRFS_MIN_MEMBER_SIZE, exists=True)]
vol2 = BTRFSVolumeDevice("test2", parents=parents2, exists=True)
with self.assertRaisesRegex(ValueError, ".*snapshot and source must be in the same volume"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=vol2)
vol.exists = True
snap = BTRFSSnapShotDevice("snap1",
fmt=blivet.formats.get_format("btrfs"),
parents=[vol],
source=vol)
self.state_check(snap,
current_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
target_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
max_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
parents=xform(lambda x, m: self.assertEqual(len(x), 1, m)),
size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
type=xform(lambda x, m: self.assertEqual(x, "btrfs snapshot", m)),
vol_id=xform(self.assertIsNone))
self.state_check(vol,
current_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
data_level=xform(self.assertIsNone),
exists=xform(self.assertTrue),
isleaf=xform(self.assertFalse),
max_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
metadata_level=xform(self.assertIsNone),
parents=xform(lambda x, m: self.assertEqual(len(x), 1, m)),
size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
type=xform(lambda x, m: self.assertEqual(x, "btrfs volume", m)))
self.assertEqual(snap.isleaf, True)
self.assertEqual(snap.direct, True)
self.assertEqual(vol.isleaf, False)
self.assertEqual(vol.direct, True)
self.assertEqual(snap.depends_on(vol), True)
self.assertEqual(vol.depends_on(snap), False)
def test_btrfssnap_shot_device_init(self):
parents = [StorageDevice("p1", fmt=blivet.formats.get_format("btrfs"), size=BTRFS_MIN_MEMBER_SIZE)]
vol = BTRFSVolumeDevice("test", parents=parents)
with six.assertRaisesRegex(self, ValueError, "non-existent btrfs snapshots must have a source"):
BTRFSSnapShotDevice("snap1", parents=[vol])
with six.assertRaisesRegex(self, ValueError, "btrfs snapshot source must already exist"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=vol)
with six.assertRaisesRegex(self, ValueError, "btrfs snapshot source must be a btrfs subvolume"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=parents[0])
parents2 = [StorageDevice("p1", fmt=blivet.formats.get_format("btrfs"), size=BTRFS_MIN_MEMBER_SIZE, exists=True)]
vol2 = BTRFSVolumeDevice("test2", parents=parents2, exists=True)
with six.assertRaisesRegex(self, ValueError, ".*snapshot and source must be in the same volume"):
BTRFSSnapShotDevice("snap1", parents=[vol], source=vol2)
vol.exists = True
snap = BTRFSSnapShotDevice("snap1",
fmt=blivet.formats.get_format("btrfs"),
parents=[vol],
source=vol)
self.state_check(snap,
current_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
target_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
max_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
parents=xform(lambda x, m: self.assertEqual(len(x), 1, m)),
size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
type=xform(lambda x, m: self.assertEqual(x, "btrfs snapshot", m)),
vol_id=xform(self.assertIsNone))
self.state_check(vol,
current_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
data_level=xform(self.assertIsNone),
exists=xform(self.assertTrue),
isleaf=xform(self.assertFalse),
max_size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
metadata_level=xform(self.assertIsNone),
parents=xform(lambda x, m: self.assertEqual(len(x), 1, m)),
size=xform(lambda x, m: self.assertEqual(x, BTRFS_MIN_MEMBER_SIZE, m)),
type=xform(lambda x, m: self.assertEqual(x, "btrfs volume", m)))
self.assertEqual(snap.isleaf, True)
self.assertEqual(snap.direct, True)
self.assertEqual(vol.isleaf, False)
self.assertEqual(vol.direct, True)
self.assertEqual(snap.depends_on(vol), True)
self.assertEqual(vol.depends_on(snap), False)
