forked from Mirrors/btrfs-progs
74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
# Copyright (C) 2018 Facebook
|
|
#
|
|
# This file is part of libbtrfsutil.
|
|
#
|
|
# libbtrfsutil is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# libbtrfsutil is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with libbtrfsutil. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import os
|
|
import time
|
|
|
|
import btrfsutil
|
|
from tests import BtrfsTestCase, HAVE_PATH_LIKE
|
|
|
|
|
|
def touch(path):
|
|
now = time.time()
|
|
os.utime(path, (now, now))
|
|
|
|
|
|
class TestSubvolume(BtrfsTestCase):
|
|
def super_generation(self):
|
|
with open(self.image, 'rb') as f:
|
|
# csum is 32 bytes, fsid is 16 bytes, bytenr is 8 bytes, flags is 8
|
|
# bytes
|
|
f.seek(65536 + 32 + 16 + 8 + 8)
|
|
self.assertEqual(f.read(8), b'_BHRfS_M')
|
|
return int.from_bytes(f.read(8), 'little')
|
|
|
|
def test_sync(self):
|
|
old_generation = self.super_generation()
|
|
for arg in self.path_or_fd(self.mountpoint):
|
|
with self.subTest(type=type(arg)):
|
|
touch(arg)
|
|
btrfsutil.sync(arg)
|
|
new_generation = self.super_generation()
|
|
self.assertGreater(new_generation, old_generation)
|
|
old_generation = new_generation
|
|
|
|
def test_start_sync(self):
|
|
old_generation = self.super_generation()
|
|
for arg in self.path_or_fd(self.mountpoint):
|
|
with self.subTest(type=type(arg)):
|
|
touch(arg)
|
|
transid = btrfsutil.start_sync(arg)
|
|
self.assertGreater(transid, old_generation)
|
|
|
|
def test_wait_sync(self):
|
|
old_generation = self.super_generation()
|
|
for arg in self.path_or_fd(self.mountpoint):
|
|
with self.subTest(type=type(arg)):
|
|
touch(arg)
|
|
transid = btrfsutil.start_sync(arg)
|
|
btrfsutil.wait_sync(arg, transid)
|
|
new_generation = self.super_generation()
|
|
self.assertGreater(new_generation, old_generation)
|
|
old_generation = new_generation
|
|
|
|
touch(arg)
|
|
btrfsutil.start_sync(arg)
|
|
btrfsutil.wait_sync(arg)
|
|
new_generation = self.super_generation()
|
|
self.assertGreater(new_generation, old_generation)
|
|
old_generation = new_generation
|