mirror of https://github.com/borgbackup/borg.git
249 lines
10 KiB
Python
249 lines
10 KiB
Python
import os
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from io import StringIO
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import stat
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import subprocess
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import sys
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import shutil
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import tempfile
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import time
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import unittest
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from attic import xattr
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from attic.archiver import Archiver
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from attic.repository import Repository
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from attic.testsuite import AtticTestCase
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try:
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import llfuse
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has_llfuse = True
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except ImportError:
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has_llfuse = False
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src_dir = os.path.join(os.getcwd(), os.path.dirname(__file__), '..', '..')
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class changedir:
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def __init__(self, dir):
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self.dir = dir
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def __enter__(self):
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self.old = os.getcwd()
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os.chdir(self.dir)
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def __exit__(self, *args, **kw):
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os.chdir(self.old)
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class ArchiverTestCase(AtticTestCase):
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prefix = ''
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def setUp(self):
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self.archiver = Archiver()
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self.tmpdir = tempfile.mkdtemp()
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self.repository_path = os.path.join(self.tmpdir, 'repository')
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self.repository_location = self.prefix + self.repository_path
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self.input_path = os.path.join(self.tmpdir, 'input')
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self.output_path = os.path.join(self.tmpdir, 'output')
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self.keys_path = os.path.join(self.tmpdir, 'keys')
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self.cache_path = os.path.join(self.tmpdir, 'cache')
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os.environ['ATTIC_KEYS_DIR'] = self.keys_path
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os.environ['ATTIC_CACHE_DIR'] = self.cache_path
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os.mkdir(self.input_path)
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os.mkdir(self.output_path)
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os.mkdir(self.keys_path)
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os.mkdir(self.cache_path)
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self._old_wd = os.getcwd()
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os.chdir(self.tmpdir)
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def tearDown(self):
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shutil.rmtree(self.tmpdir)
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os.chdir(self._old_wd)
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def attic(self, *args, **kw):
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exit_code = kw.get('exit_code', 0)
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fork = kw.get('fork', False)
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if fork:
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try:
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output = subprocess.check_output((sys.executable, '-m', 'attic.archiver') + args)
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ret = 0
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except subprocess.CalledProcessError as e:
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output = e.output
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ret = e.returncode
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output = os.fsdecode(output)
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if ret != exit_code:
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print(output)
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self.assert_equal(exit_code, ret)
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return output
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args = list(args)
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try:
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stdout, stderr = sys.stdout, sys.stderr
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output = StringIO()
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sys.stdout = sys.stderr = output
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ret = self.archiver.run(args)
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sys.stdout, sys.stderr = stdout, stderr
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if ret != exit_code:
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print(output.getvalue())
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self.assert_equal(exit_code, ret)
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return output.getvalue()
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finally:
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sys.stdout, sys.stderr = stdout, stderr
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def create_src_archive(self, name):
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self.attic('init', self.repository_location)
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self.attic('create', self.repository_location + '::' + name, src_dir)
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def create_regual_file(self, name, size=0):
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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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os.makedirs(os.path.dirname(filename))
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with open(filename, 'wb') as fd:
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fd.write(b'X' * size)
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def create_test_files(self):
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"""Create a minimal test case including all supported file types
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"""
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# File
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self.create_regual_file('file1', size=1024 * 80)
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# Directory
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self.create_regual_file('dir2/file2', size=1024 * 80)
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# File owner
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os.chown('input/file1', 100, 200)
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# File mode
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os.chmod('input/file1', 0o7755)
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os.chmod('input/dir2', 0o555)
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# Block device
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os.mknod('input/bdev', 0o600 | stat.S_IFBLK, os.makedev(10, 20))
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# Char device
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os.mknod('input/cdev', 0o600 | stat.S_IFCHR, os.makedev(30, 40))
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if xattr.is_enabled():
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xattr.setxattr(os.path.join(self.input_path, 'file1'), 'user.foo', b'bar')
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# Hard link
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os.link(os.path.join(self.input_path, 'file1'),
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os.path.join(self.input_path, 'hardlink'))
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# Symlink
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os.symlink('somewhere', os.path.join(self.input_path, 'link1'))
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# FIFO node
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os.mkfifo(os.path.join(self.input_path, 'fifo1'))
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def test_basic_functionality(self):
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self.create_test_files()
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self.attic('init', self.repository_location)
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self.attic('create', self.repository_location + '::test', 'input')
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self.attic('create', self.repository_location + '::test.2', 'input')
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with changedir('output'):
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self.attic('extract', self.repository_location + '::test')
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self.assert_equal(len(self.attic('list', self.repository_location).splitlines()), 2)
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self.assert_equal(len(self.attic('list', self.repository_location + '::test').splitlines()), 9)
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self.assert_dirs_equal('input', 'output/input')
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info_output = self.attic('info', self.repository_location + '::test')
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shutil.rmtree(self.cache_path)
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info_output2 = self.attic('info', self.repository_location + '::test')
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# info_output2 starts with some "initializing cache" text but should
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# end the same way as info_output
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assert info_output2.endswith(info_output)
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def test_extract_include_exclude(self):
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self.attic('init', self.repository_location)
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self.create_regual_file('file1', size=1024 * 80)
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self.create_regual_file('file2', size=1024 * 80)
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self.create_regual_file('file3', size=1024 * 80)
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self.create_regual_file('file4', size=1024 * 80)
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self.attic('create', '--exclude=input/file4', self.repository_location + '::test', 'input')
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with changedir('output'):
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self.attic('extract', self.repository_location + '::test', 'input/file1', )
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self.assert_equal(sorted(os.listdir('output/input')), ['file1'])
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with changedir('output'):
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self.attic('extract', '--exclude=input/file2', self.repository_location + '::test')
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self.assert_equal(sorted(os.listdir('output/input')), ['file1', 'file3'])
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def test_path_normalization(self):
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self.attic('init', self.repository_location)
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self.create_regual_file('dir1/dir2/file', size=1024 * 80)
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with changedir('input/dir1/dir2'):
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self.attic('create', self.repository_location + '::test', '../../../input/dir1/../dir1/dir2/..')
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output = self.attic('list', self.repository_location + '::test')
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self.assert_not_in('..', output)
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self.assert_in(' input/dir1/dir2/file', output)
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def test_overwrite(self):
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self.create_regual_file('file1', size=1024 * 80)
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self.create_regual_file('dir2/file2', size=1024 * 80)
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self.attic('init', self.repository_location)
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self.attic('create', self.repository_location + '::test', 'input')
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# Overwriting regular files and directories should be supported
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os.mkdir('output/input')
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os.mkdir('output/input/file1')
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os.mkdir('output/input/dir2')
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with changedir('output'):
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self.attic('extract', self.repository_location + '::test')
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self.assert_dirs_equal('input', 'output/input')
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# But non-empty dirs should fail
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os.unlink('output/input/file1')
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os.mkdir('output/input/file1')
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os.mkdir('output/input/file1/dir')
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with changedir('output'):
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self.attic('extract', self.repository_location + '::test', exit_code=1)
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def test_delete(self):
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self.create_regual_file('file1', size=1024 * 80)
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self.create_regual_file('dir2/file2', size=1024 * 80)
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self.attic('init', self.repository_location)
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self.attic('create', self.repository_location + '::test', 'input')
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self.attic('create', self.repository_location + '::test.2', 'input')
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self.attic('verify', self.repository_location + '::test')
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self.attic('verify', self.repository_location + '::test.2')
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self.attic('delete', self.repository_location + '::test')
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self.attic('verify', self.repository_location + '::test.2')
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self.attic('delete', self.repository_location + '::test.2')
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# Make sure all data except the manifest has been deleted
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repository = Repository(self.repository_path)
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self.assert_equal(repository._len(), 1)
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def test_corrupted_repository(self):
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self.create_src_archive('test')
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self.attic('verify', self.repository_location + '::test')
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name = sorted(os.listdir(os.path.join(self.tmpdir, 'repository', 'data', '0')), reverse=True)[0]
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fd = open(os.path.join(self.tmpdir, 'repository', 'data', '0', name), 'r+')
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fd.seek(100)
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fd.write('XXXX')
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fd.close()
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self.attic('verify', self.repository_location + '::test', exit_code=1)
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def test_prune_repository(self):
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self.attic('init', self.repository_location)
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self.attic('create', self.repository_location + '::test1', src_dir)
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self.attic('create', self.repository_location + '::test2', src_dir)
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self.attic('prune', self.repository_location, '--daily=2')
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output = self.attic('list', self.repository_location)
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assert 'test1' not in output
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assert 'test2' in output
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def test_usage(self):
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self.assert_raises(SystemExit, lambda: self.attic())
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self.assert_raises(SystemExit, lambda: self.attic('-h'))
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@unittest.skipUnless(has_llfuse, 'llfuse not installed')
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def test_mount(self):
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mountpoint = os.path.join(self.tmpdir, 'mountpoint')
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os.mkdir(mountpoint)
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self.attic('init', self.repository_location)
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self.create_test_files()
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self.attic('create', self.repository_location + '::archive', 'input')
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try:
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self.attic('mount', self.repository_location + '::archive', mountpoint, fork=True)
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self.wait_for_mount(mountpoint)
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self.assert_dirs_equal(self.input_path, os.path.join(mountpoint, 'input'))
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finally:
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if sys.platform.startswith('linux'):
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os.system('fusermount -u ' + mountpoint)
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else:
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os.system('umount ' + mountpoint)
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os.rmdir(mountpoint)
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# Give the daemon some time to exit
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time.sleep(.2)
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class RemoteArchiverTestCase(ArchiverTestCase):
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prefix = '__testsuite__:'
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