def test_coerce_device_file(self):
"""Test coercion of device identifiers to device files."""
assert coerce_device_file(
'/dev/mapper/backups') == '/dev/mapper/backups'
assert (coerce_device_file('LABEL="Linux Boot"') ==
r'/dev/disk/by-label/Linux\x20Boot')
assert (coerce_device_file('UUID=1012dd1a-a455-40c4-914f-f3b1b2cf5b86')
== '/dev/disk/by-uuid/1012dd1a-a455-40c4-914f-f3b1b2cf5b86')
self.assertRaises(
ValueError,
coerce_device_file,
'PARTUUID=e6c021cc-d0d8-400c-8f5c-b10adeff65fe',
)
def source_device(self):
"""
The block special device or file that contains the encrypted data (a string).
The value of this property is computed by passing :attr:`source` to
:func:`.coerce_device_file()`.
"""
return coerce_device_file(self.source)
def device_file(self):
"""
The block special device to be mounted (a string).
The value of this property is computed by passing :attr:`device` to
:func:`.coerce_device_file()`.
"""
return coerce_device_file(self.device)