def test_mounted_device_takes_over_already_mounted_device(btrfs_device) -> None:
with TemporaryDirectory() as td:
dm.mount_btrfs_device(btrfs_device, Path(td))
with dm.mounted_device(btrfs_device) as md:
assert dm.is_mounted(btrfs_device)
assert md in dm.get_mounted_devices()[str(btrfs_device)]
assert not dm.is_mounted(btrfs_device)
def test_mounted_device(btrfs_device) -> None:
with dm.mounted_device(btrfs_device) as md:
assert md.exists()
assert md.is_dir()
assert dm.is_mounted(btrfs_device)
assert md in dm.get_mounted_devices()[str(btrfs_device)]
assert not md.exists()
assert not dm.is_mounted(btrfs_device)
assert str(btrfs_device) not in dm.get_mounted_devices()
def test_mounted_device_unmounts_in_case_of_exception(btrfs_device) -> None:
with pytest.raises(MyCustomTestException):
with dm.mounted_device(btrfs_device) as md:
# That the device is mounted properly is guaranteed by a test
# above.
raise MyCustomTestException
assert not md.exists()
assert not dm.is_mounted(btrfs_device)
assert str(btrfs_device) not in dm.get_mounted_devices()
def test_open_close_roundtrip(runner, encrypted_btrfs_device,
config_cls) -> None:
def get_empty_config(config_cls, password, device_id):
if config_cls == cp.BtrfsConfig:
return config_cls(
DevicePassCmd=f"echo {password}",
Files=set(),
FilesDest="files-destination",
Folders={},
UUID=device_id,
)
if config_cls == cp.ResticConfig:
return config_cls(
DevicePassCmd=f"echo {password}",
RepositoryPassCmd="false",
FilesAndFolders=set(),
UUID=device_id,
)
raise ValueError
password, device = encrypted_btrfs_device
device_id = uuid.uuid4()
expected_cryptsetup_map = Path(f"/dev/mapper/{device_id}")
config = get_empty_config(config_cls, password, device_id)
with NamedTemporaryFile() as tempf:
config_file = Path(tempf.name)
config_file.write_text(f"[{config.json()}]")
device_by_uuid = Path("/dev/disk/by-uuid/") / str(device_id)
with dm.symbolic_link(src=device, dest=device_by_uuid):
open_result = runner.invoke(
app, ["open", "--config", str(config_file)])
expected_msg = (
f"Gerät {device_id} wurde in (?P<mount_dest>/[^ ]+) geöffnet.")
match = re.fullmatch(expected_msg, open_result.stdout.strip())
assert match is not None
mount_dest = Path(match.group("mount_dest"))
assert any(mount_dest in destinations
for destinations in dm.get_mounted_devices().values())
assert expected_cryptsetup_map.exists()
runner.invoke(app, ["close", "--config", str(config_file)])
assert not expected_cryptsetup_map.exists()
assert not dm.is_mounted(mount_dest)
assert not mount_dest.exists()
def test_unmount_device(btrfs_device) -> None:
with TemporaryDirectory() as mountpoint:
dm.mount_btrfs_device(btrfs_device, Path(mountpoint))
dm.unmount_device(btrfs_device)
assert not dm.is_mounted(btrfs_device)
def test_is_mounted_rejects() -> None:
with TemporaryDirectory() as tempd:
assert not dm.is_mounted(Path(tempd))
def test_is_mounted_detects(device: Path) -> None:
assert dm.is_mounted(device)