mirror of https://github.com/borgbackup/borg.git
330 lines
13 KiB
Python
330 lines
13 KiB
Python
import os
|
|
import shutil
|
|
import tempfile
|
|
from attic.testsuite.mock import patch
|
|
from attic.hashindex import NSIndex
|
|
from attic.helpers import Location, IntegrityError, UpgradableLock
|
|
from attic.remote import RemoteRepository, InvalidRPCMethod
|
|
from attic.repository import Repository
|
|
from attic.testsuite import BaseTestCase
|
|
|
|
|
|
class RepositoryTestCaseBase(BaseTestCase):
|
|
key_size = 32
|
|
|
|
def open(self, create=False):
|
|
return Repository(os.path.join(self.tmppath, 'repository'), create=create)
|
|
|
|
def setUp(self):
|
|
self.tmppath = tempfile.mkdtemp()
|
|
self.repository = self.open(create=True)
|
|
|
|
def tearDown(self):
|
|
self.repository.close()
|
|
shutil.rmtree(self.tmppath)
|
|
|
|
def reopen(self):
|
|
if self.repository:
|
|
self.repository.close()
|
|
self.repository = self.open()
|
|
|
|
|
|
class RepositoryTestCase(RepositoryTestCaseBase):
|
|
|
|
def test1(self):
|
|
for x in range(100):
|
|
self.repository.put(('%-32d' % x).encode('ascii'), b'SOMEDATA')
|
|
key50 = ('%-32d' % 50).encode('ascii')
|
|
self.assert_equal(self.repository.get(key50), b'SOMEDATA')
|
|
self.repository.delete(key50)
|
|
self.assert_raises(Repository.ObjectNotFound, lambda: self.repository.get(key50))
|
|
self.repository.commit()
|
|
self.repository.close()
|
|
repository2 = self.open()
|
|
self.assert_raises(Repository.ObjectNotFound, lambda: repository2.get(key50))
|
|
for x in range(100):
|
|
if x == 50:
|
|
continue
|
|
self.assert_equal(repository2.get(('%-32d' % x).encode('ascii')), b'SOMEDATA')
|
|
repository2.close()
|
|
|
|
def test2(self):
|
|
"""Test multiple sequential transactions
|
|
"""
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo')
|
|
self.repository.put(b'00000000000000000000000000000001', b'foo')
|
|
self.repository.commit()
|
|
self.repository.delete(b'00000000000000000000000000000000')
|
|
self.repository.put(b'00000000000000000000000000000001', b'bar')
|
|
self.repository.commit()
|
|
self.assert_equal(self.repository.get(b'00000000000000000000000000000001'), b'bar')
|
|
|
|
def test_consistency(self):
|
|
"""Test cache consistency
|
|
"""
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo')
|
|
self.assert_equal(self.repository.get(b'00000000000000000000000000000000'), b'foo')
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo2')
|
|
self.assert_equal(self.repository.get(b'00000000000000000000000000000000'), b'foo2')
|
|
self.repository.put(b'00000000000000000000000000000000', b'bar')
|
|
self.assert_equal(self.repository.get(b'00000000000000000000000000000000'), b'bar')
|
|
self.repository.delete(b'00000000000000000000000000000000')
|
|
self.assert_raises(Repository.ObjectNotFound, lambda: self.repository.get(b'00000000000000000000000000000000'))
|
|
|
|
def test_consistency2(self):
|
|
"""Test cache consistency2
|
|
"""
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo')
|
|
self.assert_equal(self.repository.get(b'00000000000000000000000000000000'), b'foo')
|
|
self.repository.commit()
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo2')
|
|
self.assert_equal(self.repository.get(b'00000000000000000000000000000000'), b'foo2')
|
|
self.repository.rollback()
|
|
self.assert_equal(self.repository.get(b'00000000000000000000000000000000'), b'foo')
|
|
|
|
def test_overwrite_in_same_transaction(self):
|
|
"""Test cache consistency2
|
|
"""
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo')
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo2')
|
|
self.repository.commit()
|
|
self.assert_equal(self.repository.get(b'00000000000000000000000000000000'), b'foo2')
|
|
|
|
def test_single_kind_transactions(self):
|
|
# put
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo')
|
|
self.repository.commit()
|
|
self.repository.close()
|
|
# replace
|
|
self.repository = self.open()
|
|
self.repository.put(b'00000000000000000000000000000000', b'bar')
|
|
self.repository.commit()
|
|
self.repository.close()
|
|
# delete
|
|
self.repository = self.open()
|
|
self.repository.delete(b'00000000000000000000000000000000')
|
|
self.repository.commit()
|
|
|
|
def test_list(self):
|
|
for x in range(100):
|
|
self.repository.put(('%-32d' % x).encode('ascii'), b'SOMEDATA')
|
|
all = self.repository.list()
|
|
self.assert_equal(len(all), 100)
|
|
first_half = self.repository.list(limit=50)
|
|
self.assert_equal(len(first_half), 50)
|
|
self.assert_equal(first_half, all[:50])
|
|
second_half = self.repository.list(marker=first_half[-1])
|
|
self.assert_equal(len(second_half), 50)
|
|
self.assert_equal(second_half, all[50:])
|
|
self.assert_equal(len(self.repository.list(limit=50)), 50)
|
|
|
|
|
|
class RepositoryCommitTestCase(RepositoryTestCaseBase):
|
|
|
|
def add_keys(self):
|
|
self.repository.put(b'00000000000000000000000000000000', b'foo')
|
|
self.repository.put(b'00000000000000000000000000000001', b'bar')
|
|
self.repository.put(b'00000000000000000000000000000003', b'bar')
|
|
self.repository.commit()
|
|
self.repository.put(b'00000000000000000000000000000001', b'bar2')
|
|
self.repository.put(b'00000000000000000000000000000002', b'boo')
|
|
self.repository.delete(b'00000000000000000000000000000003')
|
|
|
|
def test_replay_of_missing_index(self):
|
|
self.add_keys()
|
|
for name in os.listdir(self.repository.path):
|
|
if name.startswith('index.'):
|
|
os.unlink(os.path.join(self.repository.path, name))
|
|
self.reopen()
|
|
self.assert_equal(len(self.repository), 3)
|
|
self.assert_equal(self.repository.check(), True)
|
|
|
|
def test_crash_before_compact_segments(self):
|
|
self.add_keys()
|
|
self.repository.compact_segments = None
|
|
try:
|
|
self.repository.commit()
|
|
except TypeError:
|
|
pass
|
|
self.reopen()
|
|
self.assert_equal(len(self.repository), 3)
|
|
self.assert_equal(self.repository.check(), True)
|
|
|
|
def test_replay_of_readonly_repository(self):
|
|
self.add_keys()
|
|
for name in os.listdir(self.repository.path):
|
|
if name.startswith('index.'):
|
|
os.unlink(os.path.join(self.repository.path, name))
|
|
with patch.object(UpgradableLock, 'upgrade', side_effect=UpgradableLock.WriteLockFailed) as upgrade:
|
|
self.reopen()
|
|
self.assert_raises(UpgradableLock.WriteLockFailed, lambda: len(self.repository))
|
|
upgrade.assert_called_once()
|
|
|
|
def test_crash_before_write_index(self):
|
|
self.add_keys()
|
|
self.repository.write_index = None
|
|
try:
|
|
self.repository.commit()
|
|
except TypeError:
|
|
pass
|
|
self.reopen()
|
|
self.assert_equal(len(self.repository), 3)
|
|
self.assert_equal(self.repository.check(), True)
|
|
|
|
def test_crash_before_deleting_compacted_segments(self):
|
|
self.add_keys()
|
|
self.repository.io.delete_segment = None
|
|
try:
|
|
self.repository.commit()
|
|
except TypeError:
|
|
pass
|
|
self.reopen()
|
|
self.assert_equal(len(self.repository), 3)
|
|
self.assert_equal(self.repository.check(), True)
|
|
self.assert_equal(len(self.repository), 3)
|
|
|
|
|
|
class RepositoryCheckTestCase(RepositoryTestCaseBase):
|
|
|
|
def list_indices(self):
|
|
return [name for name in os.listdir(os.path.join(self.tmppath, 'repository')) if name.startswith('index.')]
|
|
|
|
def check(self, repair=False, status=True):
|
|
self.assert_equal(self.repository.check(repair=repair), status)
|
|
# Make sure no tmp files are left behind
|
|
self.assert_equal([name for name in os.listdir(os.path.join(self.tmppath, 'repository')) if 'tmp' in name], [], 'Found tmp files')
|
|
|
|
def get_objects(self, *ids):
|
|
for id_ in ids:
|
|
self.repository.get(('%032d' % id_).encode('ascii'))
|
|
|
|
def add_objects(self, segments):
|
|
for ids in segments:
|
|
for id_ in ids:
|
|
self.repository.put(('%032d' % id_).encode('ascii'), b'data')
|
|
self.repository.commit()
|
|
|
|
def get_head(self):
|
|
return sorted(int(n) for n in os.listdir(os.path.join(self.tmppath, 'repository', 'data', '0')) if n.isdigit())[-1]
|
|
|
|
def open_index(self):
|
|
return NSIndex.read(os.path.join(self.tmppath, 'repository', 'index.{}'.format(self.get_head())))
|
|
|
|
def corrupt_object(self, id_):
|
|
idx = self.open_index()
|
|
segment, offset = idx[('%032d' % id_).encode('ascii')]
|
|
with open(os.path.join(self.tmppath, 'repository', 'data', '0', str(segment)), 'r+b') as fd:
|
|
fd.seek(offset)
|
|
fd.write(b'BOOM')
|
|
|
|
def delete_segment(self, segment):
|
|
os.unlink(os.path.join(self.tmppath, 'repository', 'data', '0', str(segment)))
|
|
|
|
def delete_index(self):
|
|
os.unlink(os.path.join(self.tmppath, 'repository', 'index.{}'.format(self.get_head())))
|
|
|
|
def rename_index(self, new_name):
|
|
os.rename(os.path.join(self.tmppath, 'repository', 'index.{}'.format(self.get_head())),
|
|
os.path.join(self.tmppath, 'repository', new_name))
|
|
|
|
def list_objects(self):
|
|
return set(int(key) for key in self.repository.list())
|
|
|
|
def test_repair_corrupted_segment(self):
|
|
self.add_objects([[1, 2, 3], [4, 5, 6]])
|
|
self.assert_equal(set([1, 2, 3, 4, 5, 6]), self.list_objects())
|
|
self.check(status=True)
|
|
self.corrupt_object(5)
|
|
self.assert_raises(IntegrityError, lambda: self.get_objects(5))
|
|
self.repository.rollback()
|
|
# Make sure a regular check does not repair anything
|
|
self.check(status=False)
|
|
self.check(status=False)
|
|
# Make sure a repair actually repairs the repo
|
|
self.check(repair=True, status=True)
|
|
self.get_objects(4)
|
|
self.check(status=True)
|
|
self.assert_equal(set([1, 2, 3, 4, 6]), self.list_objects())
|
|
|
|
def test_repair_missing_segment(self):
|
|
self.add_objects([[1, 2, 3], [4, 5, 6]])
|
|
self.assert_equal(set([1, 2, 3, 4, 5, 6]), self.list_objects())
|
|
self.check(status=True)
|
|
self.delete_segment(1)
|
|
self.repository.rollback()
|
|
self.check(repair=True, status=True)
|
|
self.assert_equal(set([1, 2, 3]), self.list_objects())
|
|
|
|
def test_repair_missing_commit_segment(self):
|
|
self.add_objects([[1, 2, 3], [4, 5, 6]])
|
|
self.delete_segment(1)
|
|
self.assert_raises(Repository.ObjectNotFound, lambda: self.get_objects(4))
|
|
self.assert_equal(set([1, 2, 3]), self.list_objects())
|
|
|
|
def test_repair_corrupted_commit_segment(self):
|
|
self.add_objects([[1, 2, 3], [4, 5, 6]])
|
|
with open(os.path.join(self.tmppath, 'repository', 'data', '0', '1'), 'r+b') as fd:
|
|
fd.seek(-1, os.SEEK_END)
|
|
fd.write(b'X')
|
|
self.assert_raises(Repository.ObjectNotFound, lambda: self.get_objects(4))
|
|
self.check(status=True)
|
|
self.get_objects(3)
|
|
self.assert_equal(set([1, 2, 3]), self.list_objects())
|
|
|
|
def test_repair_no_commits(self):
|
|
self.add_objects([[1, 2, 3]])
|
|
with open(os.path.join(self.tmppath, 'repository', 'data', '0', '0'), 'r+b') as fd:
|
|
fd.seek(-1, os.SEEK_END)
|
|
fd.write(b'X')
|
|
self.assert_raises(Repository.CheckNeeded, lambda: self.get_objects(4))
|
|
self.check(status=False)
|
|
self.check(status=False)
|
|
self.assert_equal(self.list_indices(), ['index.0'])
|
|
self.check(repair=True, status=True)
|
|
self.assert_equal(self.list_indices(), ['index.1'])
|
|
self.check(status=True)
|
|
self.get_objects(3)
|
|
self.assert_equal(set([1, 2, 3]), self.list_objects())
|
|
|
|
def test_repair_missing_index(self):
|
|
self.add_objects([[1, 2, 3], [4, 5, 6]])
|
|
self.delete_index()
|
|
self.check(status=True)
|
|
self.get_objects(4)
|
|
self.assert_equal(set([1, 2, 3, 4, 5, 6]), self.list_objects())
|
|
|
|
def test_repair_index_too_new(self):
|
|
self.add_objects([[1, 2, 3], [4, 5, 6]])
|
|
self.assert_equal(self.list_indices(), ['index.1'])
|
|
self.rename_index('index.100')
|
|
self.check(status=True)
|
|
self.assert_equal(self.list_indices(), ['index.1'])
|
|
self.get_objects(4)
|
|
self.assert_equal(set([1, 2, 3, 4, 5, 6]), self.list_objects())
|
|
|
|
def test_crash_before_compact(self):
|
|
self.repository.put(bytes(32), b'data')
|
|
self.repository.put(bytes(32), b'data2')
|
|
# Simulate a crash before compact
|
|
with patch.object(Repository, 'compact_segments') as compact:
|
|
self.repository.commit()
|
|
compact.assert_called_once()
|
|
self.reopen()
|
|
self.check(repair=True)
|
|
self.assert_equal(self.repository.get(bytes(32)), b'data2')
|
|
|
|
|
|
class RemoteRepositoryTestCase(RepositoryTestCase):
|
|
|
|
def open(self, create=False):
|
|
return RemoteRepository(Location('__testsuite__:' + os.path.join(self.tmppath, 'repository')), create=create)
|
|
|
|
def test_invalid_rpc(self):
|
|
self.assert_raises(InvalidRPCMethod, lambda: self.repository.call('__init__', None))
|
|
|
|
|
|
class RemoteRepositoryCheckTestCase(RepositoryCheckTestCase):
|
|
|
|
def open(self, create=False):
|
|
return RemoteRepository(Location('__testsuite__:' + os.path.join(self.tmppath, 'repository')), create=create)
|