mirror of https://github.com/borgbackup/borg.git
recreate/archiver tests: add check_cache tool - lints refcounts
This commit is contained in:
Marian Beermann
parent
93b03ea231
commit
15cefe8dde
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@ -29,7 +29,7 @@ from ..archiver import Archiver
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from ..cache import Cache
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from ..constants import * # NOQA
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from ..crypto import bytes_to_long, num_aes_blocks
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from ..helpers import PatternMatcher, parse_pattern
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from ..helpers import PatternMatcher, parse_pattern, Location
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from ..helpers import Chunk, Manifest
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from ..helpers import EXIT_SUCCESS, EXIT_WARNING, EXIT_ERROR
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from ..helpers import bin_to_hex
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@ -260,6 +260,9 @@ class ArchiverTestCaseBase(BaseTestCase):
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archive = Archive(repository, key, manifest, name)
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return archive, repository
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def open_repository(self):
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return Repository(self.repository_path, exclusive=True)
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def create_regular_file(self, name, size=0, contents=None):
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filename = os.path.join(self.input_path, name)
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if not os.path.exists(os.path.dirname(filename)):
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@ -1626,6 +1629,40 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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self.cmd('init', self.repository_location, exit_code=1)
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assert not os.path.exists(self.repository_location)
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def check_cache(self):
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# First run a regular borg check
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self.cmd('check', self.repository_location)
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# Then check that the cache on disk matches exactly what's in the repo.
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with self.open_repository() as repository:
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manifest, key = Manifest.load(repository)
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with Cache(repository, key, manifest, sync=False) as cache:
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original_chunks = cache.chunks
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cache.destroy(repository)
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with Cache(repository, key, manifest) as cache:
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correct_chunks = cache.chunks
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assert original_chunks is not correct_chunks
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seen = set()
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for id, (refcount, size, csize) in correct_chunks.iteritems():
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o_refcount, o_size, o_csize = original_chunks[id]
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assert refcount == o_refcount
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assert size == o_size
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assert csize == o_csize
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seen.add(id)
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for id, (refcount, size, csize) in original_chunks.iteritems():
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assert id in seen
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def test_check_cache(self):
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self.cmd('init', self.repository_location)
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self.cmd('create', self.repository_location + '::test', 'input')
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with self.open_repository() as repository:
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manifest, key = Manifest.load(repository)
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with Cache(repository, key, manifest, sync=False) as cache:
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cache.begin_txn()
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cache.chunks.incref(list(cache.chunks.iteritems())[0][0])
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cache.commit()
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with pytest.raises(AssertionError):
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self.check_cache()
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def test_recreate_target_rc(self):
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self.cmd('init', self.repository_location)
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output = self.cmd('recreate', self.repository_location, '--target=asdf', exit_code=2)
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@ -1634,10 +1671,13 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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def test_recreate_target(self):
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self.create_test_files()
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self.cmd('init', self.repository_location)
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self.check_cache()
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archive = self.repository_location + '::test0'
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self.cmd('create', archive, 'input')
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self.check_cache()
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original_archive = self.cmd('list', self.repository_location)
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self.cmd('recreate', archive, 'input/dir2', '-e', 'input/dir2/file3', '--target=new-archive')
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self.check_cache()
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archives = self.cmd('list', self.repository_location)
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assert original_archive in archives
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assert 'new-archive' in archives
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@ -1655,6 +1695,7 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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archive = self.repository_location + '::test0'
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self.cmd('create', archive, 'input')
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self.cmd('recreate', archive, 'input/dir2', '-e', 'input/dir2/file3')
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self.check_cache()
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listing = self.cmd('list', '--short', archive)
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assert 'file1' not in listing
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assert 'dir2/file2' in listing
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@ -1666,6 +1707,7 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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self._extract_hardlinks_setup()
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self.cmd('create', self.repository_location + '::test2', 'input')
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self.cmd('recreate', self.repository_location + '::test', 'input/dir1')
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self.check_cache()
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with changedir('output'):
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self.cmd('extract', self.repository_location + '::test')
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assert os.stat('input/dir1/hardlink').st_nlink == 2
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@ -1689,6 +1731,7 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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# test1 and test2 do not deduplicate
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assert num_chunks == unique_chunks
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self.cmd('recreate', self.repository_location, '--chunker-params', 'default')
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self.check_cache()
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# test1 and test2 do deduplicate after recreate
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assert not int(self.cmd('list', self.repository_location + '::test1', 'input/large_file',
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'--format', '{unique_chunks}'))
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@ -1702,6 +1745,7 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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size, csize, sha256_before = file_list.split(' ')
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assert int(csize) >= int(size) # >= due to metadata overhead
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self.cmd('recreate', self.repository_location, '-C', 'lz4')
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self.check_cache()
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file_list = self.cmd('list', self.repository_location + '::test', 'input/compressible',
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'--format', '{size} {csize} {sha256}')
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size, csize, sha256_after = file_list.split(' ')
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@ -1714,6 +1758,7 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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self.cmd('create', self.repository_location + '::test', 'input')
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archives_before = self.cmd('list', self.repository_location + '::test')
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self.cmd('recreate', self.repository_location, '-n', '-e', 'input/compressible')
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self.check_cache()
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archives_after = self.cmd('list', self.repository_location + '::test')
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assert archives_after == archives_before
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@ -1723,6 +1768,7 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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self.cmd('create', self.repository_location + '::test', 'input')
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info_before = self.cmd('info', self.repository_location + '::test')
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self.cmd('recreate', self.repository_location, '--chunker-params', 'default')
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self.check_cache()
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info_after = self.cmd('info', self.repository_location + '::test')
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assert info_before == info_after # includes archive ID
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@ -1743,18 +1789,22 @@ class ArchiverTestCase(ArchiverTestCaseBase):
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self.cmd('create', self.repository_location + '::test', 'input')
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output = self.cmd('recreate', '--list', '--info', self.repository_location + '::test', '-e', 'input/file2')
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self.check_cache()
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self.assert_in("input/file1", output)
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self.assert_in("x input/file2", output)
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output = self.cmd('recreate', '--list', self.repository_location + '::test', '-e', 'input/file3')
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self.check_cache()
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self.assert_in("input/file1", output)
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self.assert_in("x input/file3", output)
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output = self.cmd('recreate', self.repository_location + '::test', '-e', 'input/file4')
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self.check_cache()
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self.assert_not_in("input/file1", output)
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self.assert_not_in("x input/file4", output)
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output = self.cmd('recreate', '--info', self.repository_location + '::test', '-e', 'input/file5')
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self.check_cache()
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self.assert_not_in("input/file1", output)
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self.assert_not_in("x input/file5", output)
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@ -2095,6 +2145,9 @@ class ArchiverCheckTestCase(ArchiverTestCaseBase):
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class RemoteArchiverTestCase(ArchiverTestCase):
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prefix = '__testsuite__:'
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def open_repository(self):
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return RemoteRepository(Location(self.repository_location))
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def test_remote_repo_restrict_to_path(self):
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# restricted to repo directory itself:
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with patch.object(RemoteRepository, 'extra_test_args', ['--restrict-to-path', self.repository_path]):
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