def test_sector_size(self):
fmt = LUKS()
self.assertEqual(fmt.luks_sector_size, 0)
with self.assertRaises(ValueError):
fmt = LUKS(luks_version="luks1", luks_sector_size=4096)
fmt = LUKS(luks_version="luks2", luks_sector_size=4096)
self.assertEqual(fmt.luks_sector_size, 4096)
def test_key_size(self):
# default cipher is AES-XTS with 512b key
fmt = LUKS()
self.assertEqual(fmt.cipher, "aes-xts-plain64")
self.assertEqual(fmt.key_size, 512)
# setting cipher shouldn't change the key size
fmt = LUKS(cipher="aes-xts-plain64")
self.assertEqual(fmt.key_size, 512)
# all XTS mode ciphers should default to 512
fmt = LUKS(cipher="serpent-xts-plain64")
self.assertEqual(fmt.key_size, 512)
# no default for non-XTS modes
fmt = LUKS(cipher="aes-cbc-plain64")
self.assertEqual(fmt.key_size, 0)
def test_create_discard_option(self):
# flags.discard_new=False --> no discard
fmt = LUKS(exists=False)
self.assertEqual(fmt.options, None)
fmt = LUKS(exists=True)
self.assertEqual(fmt.options, None)
# flags.discard_new=True --> discard if creating new
with patch("blivet.flags.flags.discard_new", True):
fmt = LUKS(exists=True)
self.assertEqual(fmt.options, None)
fmt = LUKS(exists=False)
self.assertEqual(fmt.options, "discard")
# do not add if already there
fmt = LUKS(exists=False, options="discard")
self.assertEqual(fmt.options, "discard")
# add with comma after other option(s)
fmt = LUKS(exists=False, options="blah")
self.assertEqual(fmt.options, "blah,discard")
def __init__(self, methodName='run_test'):
super(LUKSTestCase, self).__init__(methodName=methodName,
device_spec=[Size("100 MiB")])
self.fmt = LUKS(passphrase="password")
class LUKSTestCase(loopbackedtestcase.LoopBackedTestCase):
def __init__(self, methodName='run_test'):
super(LUKSTestCase, self).__init__(methodName=methodName,
device_spec=[Size("100 MiB")])
self.fmt = LUKS(passphrase="password")
def test_size(self):
self.fmt.device = self.loop_devices[0]
# create and open the luks format
self.fmt.create()
self.fmt.setup()
self.addCleanup(self._luks_close)
# without update_size_info size should be 0
self.assertEqual(self.fmt.current_size, Size(0))
# get current size
self.fmt.update_size_info()
self.assertGreater(self.fmt.current_size, Size(0))
def test_resize(self):
self.fmt.device = self.loop_devices[0]
# create and open the luks format
self.fmt.create()
self.fmt.setup()
self.addCleanup(self._luks_close)
# get current size to make format resizable
self.assertFalse(self.fmt.resizable)
self.fmt.update_size_info()
self.assertTrue(self.fmt.resizable)
# resize the format
new_size = Size("50 MiB")
self.fmt.target_size = new_size
self.fmt.do_resize()
# get current size
self.fmt.update_size_info()
self.assertEqual(self.fmt.current_size, new_size)
def _luks_close(self):
self.fmt.teardown()
def __init__(self, methodName='run_test'):
super().__init__(methodName=methodName, device_spec=[Size("100 MiB")])
self.fmt = LUKS(passphrase="password")
class LUKSTestCase(loopbackedtestcase.LoopBackedTestCase):
def __init__(self, methodName='run_test'):
super().__init__(methodName=methodName, device_spec=[Size("100 MiB")])
self.fmt = LUKS(passphrase="password")
def test_size(self):
self.fmt.device = self.loop_devices[0]
# create and open the luks format
self.fmt.create()
self.fmt.setup()
# without update_size_info size should be 0
self.assertEqual(self.fmt.current_size, Size(0))
# get current size
self.fmt.update_size_info()
self.assertGreater(self.fmt.current_size, Size(0))
def test_resize(self):
self.fmt.device = self.loop_devices[0]
# create and open the luks format
self.fmt.create()
self.fmt.setup()
# get current size to make format resizable
self.assertFalse(self.fmt.resizable)
self.fmt.update_size_info()
self.assertTrue(self.fmt.resizable)
# resize the format
new_size = Size("50 MiB")
self.fmt.target_size = new_size
self.fmt.do_resize()
# get current size
self.fmt.update_size_info()
self.assertEqual(self.fmt.current_size, new_size)
