def test_move_fs_op(self, base_dir):
for dry_run in range(2):
source_item = base_dir / "directory_to_move"
dest_item = base_dir / "move_destination"
for creator in (source_item.mkdir, source_item.touch):
for dest_is_dir in range(2):
if source_item.isdir():
source_item.rmdir()
elif source_item.isfile():
source_item.remove()
# END handle removal of existing one
# prep sandbox
if dest_item.isdir():
dest_item.rmdir()
if dest_is_dir:
dest_item.mkdir()
creator()
t = Transaction(log, dry_run=dry_run)
mo = MoveFSItemOperation(t, source_item, str(dest_item))
assert t.apply().succeeded()
assert source_item.exists() == dry_run
assert mo.actual_destination().exists() != dry_run
assert not t.rollback().succeeded()
assert source_item.exists()
assert not mo.actual_destination().exists()
def test_copy(self, base_dir):
"""Verify copy action works, also in case of failed copies"""
source = (base_dir / "source_file").write_bytes(bytes(b"hello there"))
dest_file = base_dir / "subdir" / "subsubdir" / "destination_file.ext"
dk = CopyAction.data_key('foo')
assert dk == 'package-actions.copy.foo'
kvstore = KeyValueStoreModifier(dict())
kvstore.set_value(dk, 'foo') # make sure the key exists to get values based on our schema
data = CopyAction.data(dk, kvstore)
data.source.append(source)
data.destination = dest_file
for dry_run in range(2):
t = Transaction(logging.root, dry_run=dry_run)
# package_data is currently unused, so None works
fco = CopyAction(t, 'doesntmatter', data, 'package', None)
# apply
assert not dest_file.isfile()
assert t.apply().succeeded()
assert dest_file.isfile() != dry_run
assert source.isfile() # just to be sure :)
# rollback
t.rollback()
assert not dest_file.exists()
assert not dest_file.dirname().exists()
assert not dest_file.dirname().dirname().exists()
def test_delete_op(self, rw_dir):
# CHANGE OWNERSHIP
base_dir = ((rw_dir / "dir").mkdir() / "other_file").touch()
file = (rw_dir / "file").touch()
# REMOVE FS ITEM
for dry_run in reversed(list(range(2))):
for item in (file, base_dir):
t = Transaction(log, dry_run=dry_run)
ro = DeleteOperation(t, item)
assert item.exists()
assert t.apply().succeeded()
assert item.exists() == dry_run
def test_create_op(self, base_dir):
destination = base_dir / "my_new_item"
for dry_run in range(2):
for content in (None, bytes(b"hello world")):
for mode in (0o755, None):
for gid in (None, os.getgid()):
for uid in (None, os.getuid()):
for dest_exists in range(2):
assert not destination.exists()
t = Transaction(log, dry_run=dry_run)
co = TestCreateFSItemOperation(
t, str(destination), content, mode=mode, uid=uid, gid=gid)
if dest_exists:
# Will ignore existing items, but cares about the type
destination.mkdir()
assert t.apply().succeeded() == (content is None)
destination.rmdir()
else:
t.apply()
if not (gid or uid and os.getuid() != 0 and type(t.exception()) is OSError):
assert t.succeeded()
assert destination.exists() != dry_run
# end ignore non-root permissions issues
assert not t.rollback().succeeded()
assert not destination.exists()
def test_rsync(self, dest_dir):
# Need to copy a bigger amount of files ... however it's dependent on time anyway, so this one
# might fail in a few years
raise SkipTest("This test is too slow and depends on timing, making it unreliable")
source = Path(__file__).dirname().dirname()
for subdir in (None, "rsync_destination"):
destination = dest_dir
if subdir is not None:
destination /= subdir
# END handle destination
p = StoringProgressIndicator()
for dry_run in reversed(list(range(2))):
t = Transaction(log, dry_run=dry_run, progress=p)
ro = RsyncOperation(t, source, destination)
assert t.apply().succeeded(), "should work in any way"
self._assert_rsync_state(ro)
assert ro.actual_destination().exists() != dry_run
assert not t.rollback().succeeded(
), "Rollback always works, evern in dry run mode where it doesn't do anything"
assert not ro.actual_destination().exists()
# END for each dryrun mode
# abort operation - make it a bit slower
t.clear()
ro = RsyncOperation(t, source, destination, max_bandwidth_kb=1000)
cr = ConcurrentRun(t.apply, log).start()
time.sleep(0.25)
assert t.is_running(), "transaction should still be running"
assert ro.actual_destination().exists(), "destination dir should have been created at least"
t.abort(True)
assert t.is_aborting()
s = time.time()
assert cr.result() is t, "Waited for result, which was not what we expected"
elapsed = time.time() - s
assert elapsed < 1.0, "Should have joined much faster, it took %f" % elapsed
assert not t.is_aborting(), "Shouldnt be in abort mode anymore after we aborted and rolled back"
assert not ro.actual_destination().exists(
), "Destination should not exist any more as we triggered a rollback"
assert not t.succeeded()