import hashlib from time import mktime, strptime from datetime import datetime, timezone, timedelta import os import tempfile import unittest from attic.helpers import adjust_patterns, exclude_path, Location, format_timedelta, IncludePattern, ExcludePattern, make_path_safe, UpgradableLock, prune_within, prune_split, to_localtime, \ StableDict, int_to_bigint, bigint_to_int from attic.testsuite import AtticTestCase import msgpack class BigIntTestCase(AtticTestCase): def test_bigint(self): self.assert_equal(int_to_bigint(0), 0) self.assert_equal(int_to_bigint(2**63-1), 2**63-1) self.assert_equal(int_to_bigint(-2**63+1), -2**63+1) self.assert_equal(int_to_bigint(2**63), b'\x00\x00\x00\x00\x00\x00\x00\x80\x00') self.assert_equal(int_to_bigint(-2**63), b'\x00\x00\x00\x00\x00\x00\x00\x80\xff') self.assert_equal(bigint_to_int(int_to_bigint(-2**70)), -2**70) self.assert_equal(bigint_to_int(int_to_bigint(2**70)), 2**70) class LocationTestCase(AtticTestCase): def test(self): self.assert_equal( repr(Location('ssh://user@host:1234/some/path::archive')), "Location(proto='ssh', user='user', host='host', port=1234, path='/some/path', archive='archive')" ) self.assert_equal( repr(Location('file:///some/path::archive')), "Location(proto='file', user=None, host=None, port=None, path='/some/path', archive='archive')" ) self.assert_equal( repr(Location('user@host:/some/path::archive')), "Location(proto='ssh', user='user', host='host', port=None, path='/some/path', archive='archive')" ) self.assert_equal( repr(Location('mybackup.attic::archive')), "Location(proto='file', user=None, host=None, port=None, path='mybackup.attic', archive='archive')" ) self.assert_equal( repr(Location('/some/absolute/path::archive')), "Location(proto='file', user=None, host=None, port=None, path='/some/absolute/path', archive='archive')" ) self.assert_equal( repr(Location('some/relative/path::archive')), "Location(proto='file', user=None, host=None, port=None, path='some/relative/path', archive='archive')" ) class FormatTimedeltaTestCase(AtticTestCase): def test(self): t0 = datetime(2001, 1, 1, 10, 20, 3, 0) t1 = datetime(2001, 1, 1, 12, 20, 4, 100000) self.assert_equal( format_timedelta(t1 - t0), '2 hours 1.10 seconds' ) class PatternTestCase(AtticTestCase): files = [ '/etc/passwd', '/etc/hosts', '/home', '/home/user/.profile', '/home/user/.bashrc', '/home/user2/.profile', '/home/user2/public_html/index.html', '/var/log/messages', '/var/log/dmesg', ] def evaluate(self, paths, excludes): patterns = adjust_patterns(paths, [ExcludePattern(p) for p in excludes]) return [path for path in self.files if not exclude_path(path, patterns)] def test(self): self.assert_equal(self.evaluate(['/'], []), self.files) self.assert_equal(self.evaluate([], []), self.files) self.assert_equal(self.evaluate(['/'], ['/h']), self.files) self.assert_equal(self.evaluate(['/'], ['/home']), ['/etc/passwd', '/etc/hosts', '/var/log/messages', '/var/log/dmesg']) self.assert_equal(self.evaluate(['/'], ['/home/']), ['/etc/passwd', '/etc/hosts', '/home', '/var/log/messages', '/var/log/dmesg']) self.assert_equal(self.evaluate(['/home/u'], []), []) self.assert_equal(self.evaluate(['/', '/home', '/etc/hosts'], ['/']), []) self.assert_equal(self.evaluate(['/home/'], ['/home/user2']), ['/home', '/home/user/.profile', '/home/user/.bashrc']) self.assert_equal(self.evaluate(['/'], ['*.profile', '/var/log']), ['/etc/passwd', '/etc/hosts', '/home', '/home/user/.bashrc', '/home/user2/public_html/index.html']) self.assert_equal(self.evaluate(['/'], ['/home/*/public_html', '*.profile', '*/log/*']), ['/etc/passwd', '/etc/hosts', '/home', '/home/user/.bashrc']) self.assert_equal(self.evaluate(['/etc/', '/var'], ['dmesg']), ['/etc/passwd', '/etc/hosts', '/var/log/messages', '/var/log/dmesg']) class MakePathSafeTestCase(AtticTestCase): def test(self): self.assert_equal(make_path_safe('/foo/bar'), 'foo/bar') self.assert_equal(make_path_safe('/foo/bar'), 'foo/bar') self.assert_equal(make_path_safe('../foo/bar'), 'foo/bar') self.assert_equal(make_path_safe('../../foo/bar'), 'foo/bar') self.assert_equal(make_path_safe('/'), '.') self.assert_equal(make_path_safe('/'), '.') class UpgradableLockTestCase(AtticTestCase): def test(self): file = tempfile.NamedTemporaryFile() lock = UpgradableLock(file.name) lock.upgrade() lock.upgrade() lock.release() @unittest.skipIf(os.getuid() == 0, 'Root can always open files for writing') def test_read_only_lock_file(self): file = tempfile.NamedTemporaryFile() os.chmod(file.name, 0o444) lock = UpgradableLock(file.name) self.assert_raises(UpgradableLock.LockUpgradeFailed, lock.upgrade) lock.release() class MockArchive(object): def __init__(self, ts): self.ts = ts def __repr__(self): return repr(self.ts) class PruneSplitTestCase(AtticTestCase): def test(self): def local_to_UTC(month, day): 'Convert noon on the month and day in 2013 to UTC.' seconds = mktime(strptime('2013-%02d-%02d 12:00' % (month, day), '%Y-%m-%d %H:%M')) return datetime.fromtimestamp(seconds, tz=timezone.utc) def subset(lst, indices): return {lst[i] for i in indices} def dotest(test_archives, n, skip, indices): for ta in test_archives, reversed(test_archives): self.assert_equal(set(prune_split(ta, '%Y-%m', n, skip)), subset(test_archives, indices)) test_pairs = [(1,1), (2,1), (2,28), (3,1), (3,2), (3,31), (5,1)] test_dates = [local_to_UTC(month, day) for month, day in test_pairs] test_archives = [MockArchive(date) for date in test_dates] dotest(test_archives, 3, [], [6, 5, 2]) dotest(test_archives, -1, [], [6, 5, 2, 0]) dotest(test_archives, 3, [test_archives[6]], [5, 2, 0]) dotest(test_archives, 3, [test_archives[5]], [6, 2, 0]) dotest(test_archives, 3, [test_archives[4]], [6, 5, 2]) dotest(test_archives, 0, [], []) class PruneWithinTestCase(AtticTestCase): def test(self): def subset(lst, indices): return {lst[i] for i in indices} def dotest(test_archives, within, indices): for ta in test_archives, reversed(test_archives): self.assert_equal(set(prune_within(ta, within)), subset(test_archives, indices)) # 1 minute, 1.5 hours, 2.5 hours, 3.5 hours, 25 hours, 49 hours test_offsets = [60, 90*60, 150*60, 210*60, 25*60*60, 49*60*60] now = datetime.now(timezone.utc) test_dates = [now - timedelta(seconds=s) for s in test_offsets] test_archives = [MockArchive(date) for date in test_dates] dotest(test_archives, '1H', [0]) dotest(test_archives, '2H', [0, 1]) dotest(test_archives, '3H', [0, 1, 2]) dotest(test_archives, '24H', [0, 1, 2, 3]) dotest(test_archives, '26H', [0, 1, 2, 3, 4]) dotest(test_archives, '2d', [0, 1, 2, 3, 4]) dotest(test_archives, '50H', [0, 1, 2, 3, 4, 5]) dotest(test_archives, '3d', [0, 1, 2, 3, 4, 5]) dotest(test_archives, '1w', [0, 1, 2, 3, 4, 5]) dotest(test_archives, '1m', [0, 1, 2, 3, 4, 5]) dotest(test_archives, '1y', [0, 1, 2, 3, 4, 5]) class StableDictTestCase(AtticTestCase): def test(self): d = StableDict(foo=1, bar=2, boo=3, baz=4) self.assert_equal(list(d.items()), [('bar', 2), ('baz', 4), ('boo', 3), ('foo', 1)]) self.assert_equal(hashlib.md5(msgpack.packb(d)).hexdigest(), 'fc78df42cd60691b3ac3dd2a2b39903f')