def testSmallDevice(self):
""" Creation of a smallish device will result in an error if the
data and metadata levels are specified differently, but not if
they are unspecified.
"""
with self.assertRaises(BTRFSError):
btrfs.create_volume(self.loopDevices, data="single", metadata="dup")
self.assertEqual(btrfs.create_volume(self.loopDevices), 0)
def testMkfsDefaults(self):
_LOOP_DEV0 = self._loopMap[self._LOOP_DEVICES[0]]
_LOOP_DEV1 = self._loopMap[self._LOOP_DEVICES[1]]
btrfs.create_volume(self._loopMap.values())
self.assertEqual(btrfs.summarize_filesystem(_LOOP_DEV0)["label"], "none")
self.assertEqual(btrfs.summarize_filesystem(_LOOP_DEV0)["num_devices"], "2")
self.assertEqual(len(btrfs.list_devices(_LOOP_DEV0)), 2)
self.assertIn(_LOOP_DEV1,
[ dev["path"] for dev in btrfs.list_devices(_LOOP_DEV0) ])
self.assertIn(_LOOP_DEV0,
[ dev["path"] for dev in btrfs.list_devices(_LOOP_DEV1) ])
def setUp(self):
"""After the DevicelibsTestCase setup, creates the filesystem on both
devices and mounts on a tmp directory.
Chooses the device to specify to mount command arbitrarily.
"""
baseclass.DevicelibsTestCase.setUp(self)
btrfs.create_volume(self._loopMap.values())
self.device = self._loopMap.values()[0]
self.mountpoint = tempfile.mkdtemp()
rc = subprocess.call(["mount", self.device, self.mountpoint])
if rc:
raise OSError("mount failed to mount device %s" % self.device)
def setUp(self):
"""After the DevicelibsTestCase setup, creates the filesystem on both
devices and mounts on a tmp directory.
Chooses the device to specify to mount command arbitrarily.
"""
baseclass.DevicelibsTestCase.setUp(self)
btrfs.create_volume(self._loopMap.values())
self.device = self._loopMap.values()[0]
self.mountpoint = tempfile.mkdtemp()
rc = subprocess.call(["mount", self.device, self.mountpoint])
if rc:
raise OSError("mount failed to mount device %s" % self.device)
def testMkfsDefaults(self):
_LOOP_DEV0 = self._loopMap[self._LOOP_DEVICES[0]]
_LOOP_DEV1 = self._loopMap[self._LOOP_DEVICES[1]]
btrfs.create_volume(self._loopMap.values())
self.assertEqual(
btrfs.summarize_filesystem(_LOOP_DEV0)["label"], "none")
self.assertEqual(
btrfs.summarize_filesystem(_LOOP_DEV0)["num_devices"], "2")
self.assertEqual(len(btrfs.list_devices(_LOOP_DEV0)), 2)
self.assertIn(_LOOP_DEV1,
[dev["path"] for dev in btrfs.list_devices(_LOOP_DEV0)])
self.assertIn(_LOOP_DEV0,
[dev["path"] for dev in btrfs.list_devices(_LOOP_DEV1)])
def testUnmountedBTRFS(self):
"""A series of simple tests on an unmounted file system.
These tests are limited to simple creating and scanning.
"""
_LOOP_DEV0 = self._loopMap[self._LOOP_DEVICES[0]]
_LOOP_DEV1 = self._loopMap[self._LOOP_DEVICES[1]]
##
## create_volume
##
# no devices specified
self.assertRaisesRegexp(ValueError,
"no devices specified",
btrfs.create_volume, [], data=0)
# non-existant device
self.assertRaisesRegexp(ValueError,
"one or more specified devices not present",
btrfs.create_volume,
["/not/existing/device"])
# bad data
self.assertRaisesRegexp(BTRFSError,
"1",
btrfs.create_volume,
[_LOOP_DEV0], data="RaID7")
# bad metadata
self.assertRaisesRegexp(BTRFSError,
"1",
btrfs.create_volume,
[_LOOP_DEV0], metadata="RaID7")
# pass
self.assertEqual(btrfs.create_volume(self._loopMap.values()), 0)
# already created
self.assertRaisesRegexp(BTRFSError,
"1",
btrfs.create_volume,
[_LOOP_DEV0], metadata="RaID7")
def testUnmountedBTRFS(self):
"""A series of simple tests on an unmounted file system.
These tests are limited to simple creating and scanning.
"""
_LOOP_DEV0 = self._loopMap[self._LOOP_DEVICES[0]]
_LOOP_DEV1 = self._loopMap[self._LOOP_DEVICES[1]]
##
## create_volume
##
# no devices specified
self.assertRaisesRegexp(ValueError,
"no devices specified",
btrfs.create_volume, [],
data=0)
# non-existant device
self.assertRaisesRegexp(ValueError,
"one or more specified devices not present",
btrfs.create_volume, ["/not/existing/device"])
# bad data
self.assertRaisesRegexp(BTRFSError,
"1",
btrfs.create_volume, [_LOOP_DEV0],
data="RaID7")
# bad metadata
self.assertRaisesRegexp(BTRFSError,
"1",
btrfs.create_volume, [_LOOP_DEV0],
metadata="RaID7")
# pass
self.assertEqual(btrfs.create_volume(self._loopMap.values()), 0)
# already created
self.assertRaisesRegexp(BTRFSError,
"1",
btrfs.create_volume, [_LOOP_DEV0],
metadata="RaID7")
def testUnmountedBTRFS(self):
"""A series of simple tests on an unmounted file system.
These tests are limited to simple creating and scanning.
"""
_LOOP_DEV0 = self.loopDevices[0]
##
## create_volume
##
# no devices specified
with self.assertRaisesRegexp(ValueError, "no devices specified"):
btrfs.create_volume([], data=0)
# non-existant device
with self.assertRaisesRegexp(ValueError, "one or more specified devices not present"):
btrfs.create_volume(["/not/existing/device"])
# bad data
with self.assertRaisesRegexp(BTRFSError, "1"):
btrfs.create_volume([_LOOP_DEV0], data="RaID7")
# bad metadata
with self.assertRaisesRegexp(BTRFSError, "1"):
btrfs.create_volume([_LOOP_DEV0], metadata="RaID7")
# pass
self.assertEqual(btrfs.create_volume(self.loopDevices), 0)
# already created
with self.assertRaisesRegexp(BTRFSError, "1"):
btrfs.create_volume([_LOOP_DEV0], metadata="RaID7")
