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202 lines
8.3 KiB
Python
202 lines
8.3 KiB
Python
import hashlib
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from time import mktime, strptime
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from datetime import datetime, timezone, timedelta
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import os
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import tempfile
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import unittest
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from attic.helpers import adjust_patterns, exclude_path, Location, format_timedelta, IncludePattern, ExcludePattern, make_path_safe, UpgradableLock, prune_within, prune_split, to_localtime, \
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StableDict, int_to_bigint, bigint_to_int
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from attic.testsuite import AtticTestCase
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import msgpack
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class BigIntTestCase(AtticTestCase):
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def test_bigint(self):
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self.assert_equal(int_to_bigint(0), 0)
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self.assert_equal(int_to_bigint(2**63-1), 2**63-1)
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self.assert_equal(int_to_bigint(-2**63+1), -2**63+1)
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self.assert_equal(int_to_bigint(2**63), b'\x00\x00\x00\x00\x00\x00\x00\x80\x00')
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self.assert_equal(int_to_bigint(-2**63), b'\x00\x00\x00\x00\x00\x00\x00\x80\xff')
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self.assert_equal(bigint_to_int(int_to_bigint(-2**70)), -2**70)
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self.assert_equal(bigint_to_int(int_to_bigint(2**70)), 2**70)
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class LocationTestCase(AtticTestCase):
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def test(self):
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self.assert_equal(
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repr(Location('ssh://user@host:1234/some/path::archive')),
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"Location(proto='ssh', user='user', host='host', port=1234, path='/some/path', archive='archive')"
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)
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self.assert_equal(
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repr(Location('file:///some/path::archive')),
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"Location(proto='file', user=None, host=None, port=None, path='/some/path', archive='archive')"
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)
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self.assert_equal(
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repr(Location('user@host:/some/path::archive')),
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"Location(proto='ssh', user='user', host='host', port=None, path='/some/path', archive='archive')"
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)
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self.assert_equal(
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repr(Location('mybackup.attic::archive')),
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"Location(proto='file', user=None, host=None, port=None, path='mybackup.attic', archive='archive')"
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)
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self.assert_equal(
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repr(Location('/some/absolute/path::archive')),
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"Location(proto='file', user=None, host=None, port=None, path='/some/absolute/path', archive='archive')"
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)
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self.assert_equal(
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repr(Location('some/relative/path::archive')),
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"Location(proto='file', user=None, host=None, port=None, path='some/relative/path', archive='archive')"
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)
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self.assert_raises(ValueError, lambda: Location('ssh://localhost:22/path:archive'))
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class FormatTimedeltaTestCase(AtticTestCase):
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def test(self):
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t0 = datetime(2001, 1, 1, 10, 20, 3, 0)
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t1 = datetime(2001, 1, 1, 12, 20, 4, 100000)
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self.assert_equal(
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format_timedelta(t1 - t0),
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'2 hours 1.10 seconds'
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)
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class PatternTestCase(AtticTestCase):
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files = [
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'/etc/passwd', '/etc/hosts', '/home',
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'/home/user/.profile', '/home/user/.bashrc',
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'/home/user2/.profile', '/home/user2/public_html/index.html',
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'/var/log/messages', '/var/log/dmesg',
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]
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def evaluate(self, paths, excludes):
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patterns = adjust_patterns(paths, [ExcludePattern(p) for p in excludes])
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return [path for path in self.files if not exclude_path(path, patterns)]
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def test(self):
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self.assert_equal(self.evaluate(['/'], []), self.files)
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self.assert_equal(self.evaluate([], []), self.files)
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self.assert_equal(self.evaluate(['/'], ['/h']), self.files)
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self.assert_equal(self.evaluate(['/'], ['/home']),
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['/etc/passwd', '/etc/hosts', '/var/log/messages', '/var/log/dmesg'])
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self.assert_equal(self.evaluate(['/'], ['/home/']),
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['/etc/passwd', '/etc/hosts', '/home', '/var/log/messages', '/var/log/dmesg'])
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self.assert_equal(self.evaluate(['/home/u'], []), [])
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self.assert_equal(self.evaluate(['/', '/home', '/etc/hosts'], ['/']), [])
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self.assert_equal(self.evaluate(['/home/'], ['/home/user2']),
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['/home', '/home/user/.profile', '/home/user/.bashrc'])
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self.assert_equal(self.evaluate(['/'], ['*.profile', '/var/log']),
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['/etc/passwd', '/etc/hosts', '/home', '/home/user/.bashrc', '/home/user2/public_html/index.html'])
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self.assert_equal(self.evaluate(['/'], ['/home/*/public_html', '*.profile', '*/log/*']),
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['/etc/passwd', '/etc/hosts', '/home', '/home/user/.bashrc'])
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self.assert_equal(self.evaluate(['/etc/', '/var'], ['dmesg']),
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['/etc/passwd', '/etc/hosts', '/var/log/messages', '/var/log/dmesg'])
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class MakePathSafeTestCase(AtticTestCase):
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def test(self):
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self.assert_equal(make_path_safe('/foo/bar'), 'foo/bar')
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self.assert_equal(make_path_safe('/foo/bar'), 'foo/bar')
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self.assert_equal(make_path_safe('../foo/bar'), 'foo/bar')
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self.assert_equal(make_path_safe('../../foo/bar'), 'foo/bar')
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self.assert_equal(make_path_safe('/'), '.')
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self.assert_equal(make_path_safe('/'), '.')
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class UpgradableLockTestCase(AtticTestCase):
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def test(self):
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file = tempfile.NamedTemporaryFile()
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lock = UpgradableLock(file.name)
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lock.upgrade()
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lock.upgrade()
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lock.release()
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@unittest.skipIf(os.getuid() == 0, 'Root can always open files for writing')
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def test_read_only_lock_file(self):
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file = tempfile.NamedTemporaryFile()
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os.chmod(file.name, 0o444)
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lock = UpgradableLock(file.name)
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self.assert_raises(UpgradableLock.WriteLockFailed, lock.upgrade)
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lock.release()
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class MockArchive(object):
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def __init__(self, ts):
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self.ts = ts
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def __repr__(self):
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return repr(self.ts)
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class PruneSplitTestCase(AtticTestCase):
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def test(self):
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def local_to_UTC(month, day):
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'Convert noon on the month and day in 2013 to UTC.'
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seconds = mktime(strptime('2013-%02d-%02d 12:00' % (month, day), '%Y-%m-%d %H:%M'))
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return datetime.fromtimestamp(seconds, tz=timezone.utc)
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def subset(lst, indices):
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return {lst[i] for i in indices}
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def dotest(test_archives, n, skip, indices):
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for ta in test_archives, reversed(test_archives):
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self.assert_equal(set(prune_split(ta, '%Y-%m', n, skip)),
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subset(test_archives, indices))
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test_pairs = [(1,1), (2,1), (2,28), (3,1), (3,2), (3,31), (5,1)]
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test_dates = [local_to_UTC(month, day) for month, day in test_pairs]
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test_archives = [MockArchive(date) for date in test_dates]
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dotest(test_archives, 3, [], [6, 5, 2])
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dotest(test_archives, -1, [], [6, 5, 2, 0])
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dotest(test_archives, 3, [test_archives[6]], [5, 2, 0])
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dotest(test_archives, 3, [test_archives[5]], [6, 2, 0])
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dotest(test_archives, 3, [test_archives[4]], [6, 5, 2])
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dotest(test_archives, 0, [], [])
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class PruneWithinTestCase(AtticTestCase):
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def test(self):
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def subset(lst, indices):
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return {lst[i] for i in indices}
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def dotest(test_archives, within, indices):
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for ta in test_archives, reversed(test_archives):
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self.assert_equal(set(prune_within(ta, within)),
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subset(test_archives, indices))
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# 1 minute, 1.5 hours, 2.5 hours, 3.5 hours, 25 hours, 49 hours
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test_offsets = [60, 90*60, 150*60, 210*60, 25*60*60, 49*60*60]
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now = datetime.now(timezone.utc)
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test_dates = [now - timedelta(seconds=s) for s in test_offsets]
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test_archives = [MockArchive(date) for date in test_dates]
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dotest(test_archives, '1H', [0])
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dotest(test_archives, '2H', [0, 1])
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dotest(test_archives, '3H', [0, 1, 2])
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dotest(test_archives, '24H', [0, 1, 2, 3])
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dotest(test_archives, '26H', [0, 1, 2, 3, 4])
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dotest(test_archives, '2d', [0, 1, 2, 3, 4])
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dotest(test_archives, '50H', [0, 1, 2, 3, 4, 5])
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dotest(test_archives, '3d', [0, 1, 2, 3, 4, 5])
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dotest(test_archives, '1w', [0, 1, 2, 3, 4, 5])
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dotest(test_archives, '1m', [0, 1, 2, 3, 4, 5])
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dotest(test_archives, '1y', [0, 1, 2, 3, 4, 5])
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class StableDictTestCase(AtticTestCase):
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def test(self):
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d = StableDict(foo=1, bar=2, boo=3, baz=4)
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self.assert_equal(list(d.items()), [('bar', 2), ('baz', 4), ('boo', 3), ('foo', 1)])
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self.assert_equal(hashlib.md5(msgpack.packb(d)).hexdigest(), 'fc78df42cd60691b3ac3dd2a2b39903f')
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