def test_decrypted_device(encrypted_device) -> None:
config = encrypted_device
with dm.decrypted_device(
device=config.device(), pass_cmd=config.DevicePassCmd
) as dd:
assert dd.exists()
assert not dd.exists()
def test_decrypted_device_closes_in_case_of_exception(encrypted_device) -> None:
config = encrypted_device
with pytest.raises(MyCustomTestException):
with dm.decrypted_device(
device=config.device(), pass_cmd=config.DevicePassCmd
) as dd:
raise MyCustomTestException
assert not dd.exists()
def test_decrypted_device_closes_in_case_of_exception(
encrypted_device) -> None:
passphrase, device = encrypted_device
with pytest.raises(MyCustomTestException):
with dm.decrypted_device(device=device,
pass_cmd=f"echo {passphrase}") as dd:
raise MyCustomTestException
assert not dd.exists()
def test_decrypted_device_can_use_home_for_passcmd(encrypted_device) -> None:
# Regression Test
# Test if `decrypted_device` can use a program that is located in PATH. For
# some reason, when passing `{}` as environment, `echo` works, but `pass`
# did not. This test ensures that the necessary fix is not reverted again.
passphrase, device = encrypted_device
relative_home = Path("~") # must be relative to trigger regression
with NamedTemporaryFile(dir=relative_home.expanduser()) as pwd_f:
absolute_pwd_f = Path(pwd_f.name)
relative_pwd_f = relative_home / absolute_pwd_f.name
absolute_pwd_f.write_text(passphrase)
with dm.decrypted_device(device=device,
pass_cmd=f"cat {relative_pwd_f}") as dd:
assert dd.exists()
assert not dd.exists()
def do_backup(config: Union[cp.BtrfsConfig, cp.ResticConfig]) -> None:
if config.device().exists():
with dm.decrypted_device(config.device(), config.DevicePassCmd) as decrypted:
with dm.mounted_device(decrypted) as mount_dir:
if isinstance(config, cp.BtrfsConfig):
do_butter_backup(config, mount_dir)
elif isinstance(config, cp.ResticConfig):
do_restic_backup(config, mount_dir)
else:
# Should be unreachable!
btrfs_name = str(cp.BtrfsConfig) # type: ignore[unreachable]
restic_name = str(cp.ResticConfig)
raise ValueError(
f"Nur {btrfs_name} und {restic_name} erlaubt, aber {type(config)} erhalten!"
)
def test_decrypted_device(encrypted_device) -> None:
passphrase, device = encrypted_device
with dm.decrypted_device(device=device,
pass_cmd=f"echo {passphrase}") as dd:
assert dd.exists()
assert not dd.exists()
def encrypted_btrfs_device(encrypted_device):
password, device = encrypted_device
with dm.decrypted_device(device=device, pass_cmd=f"echo {password}") as dd:
_mkfs_btrfs(dd)
return encrypted_device
def mounted_btrfs_device(encrypted_device):
config = encrypted_device
with dm.decrypted_device(config.device(),
config.DevicePassCmd) as decrypted:
with dm.mounted_device(decrypted) as mounted_device:
yield config, mounted_device
def btrfs_device(encrypted_btrfs_device):
config = encrypted_btrfs_device
with dm.decrypted_device(config.device(),
config.DevicePassCmd) as decrypted:
yield decrypted