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# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# Copyright 2002 Ben Escoto <ben@emerose.org>
# Copyright 2007 Kenneth Loafman <kenneth@loafman.com>
#
# This file is part of duplicity.
#
# Duplicity is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# Duplicity is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with duplicity; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import config
import sys, os, unittest
import duplicity.backend
from duplicity import path
from duplicity import collections
from duplicity import commandline
from duplicity import globals
config.setup()
# This can be changed to select the URL to use
backend_url = "file://testfiles/output"
# Extra arguments to be passed to duplicity
other_args = ["-v0", "--no-print-statistics"]
#other_args = ["--short-filenames"]
#other_args = ["--ssh-command 'ssh -v'", "--scp-command 'scp -C'"]
#other_args = ['--no-encryption']
# If this is set to true, after each backup, verify contents
verify = 1
class CmdError(Exception):
"""Indicates an error running an external command"""
pass
class FinalTest:
"""
Test backup/restore using duplicity binary
"""
def run_duplicity(self, arglist, options = [], current_time = None):
"""Run duplicity binary with given arguments and options"""
options.append("--archive-dir testfiles/cache")
cmd_list = ["../duplicity-bin"]
cmd_list.extend(options + ["--allow-source-mismatch"])
if current_time:
cmd_list.append("--current-time %s" % (current_time,))
if other_args:
cmd_list.extend(other_args)
cmd_list.extend(arglist)
cmdline = " ".join(cmd_list)
#print "Running '%s'." % cmdline
if not os.environ.has_key('PASSPHRASE'):
os.environ['PASSPHRASE'] = 'foobar'
return_val = os.system(cmdline)
if return_val:
raise CmdError(return_val)
def backup(self, type, input_dir, options = [], current_time = None):
"""Run duplicity backup to default directory"""
options = options[:]
if type == "full":
options.insert(0, 'full')
args = [input_dir, "'%s'" % backend_url]
self.run_duplicity(args, options, current_time)
def restore(self, file_to_restore = None, time = None, options = [],
current_time = None):
options = options[:] # just nip any mutability problems in bud
assert not os.system("rm -rf testfiles/restore_out")
args = ["'%s'" % backend_url, "testfiles/restore_out"]
if file_to_restore:
options.extend(['--file-to-restore', file_to_restore])
if time:
options.extend(['--restore-time', str(time)])
self.run_duplicity(args, options, current_time)
def verify(self, dirname, file_to_verify = None, time = None, options = [],
current_time = None):
options = ["verify"] + options[:]
args = ["'%s'" % backend_url, dirname]
if file_to_verify:
options.extend(['--file-to-restore', file_to_verify])
if time:
options.extend(['--restore-time', str(time)])
self.run_duplicity(args, options, current_time)
def deltmp(self):
"""Delete temporary directories"""
assert not os.system("rm -rf testfiles/output "
"testfiles/restore_out testfiles/cache")
assert not os.system("mkdir testfiles/output testfiles/cache")
backend = duplicity.backend.get_backend(backend_url)
bl = backend.list()
if bl:
backend.delete(backend.list())
backend.close()
def runtest(self, dirlist, backup_options = [], restore_options = []):
"""Run backup/restore test on directories in dirlist"""
assert len(dirlist) >= 1
self.deltmp()
# Back up directories to local backend
current_time = 100000
self.backup("full", dirlist[0], current_time = current_time,
options = backup_options)
for new_dir in dirlist[1:]:
current_time += 100000
self.backup("inc", new_dir, current_time = current_time,
options = backup_options)
# Restore each and compare them
for i in range(len(dirlist)):
dirname = dirlist[i]
current_time = 100000*(i + 1)
self.restore(time = current_time, options = restore_options)
self.check_same(dirname, "testfiles/restore_out")
if verify:
self.verify(dirname,
time = current_time, options = restore_options)
def check_same(self, filename1, filename2):
"""Verify two filenames are the same"""
path1, path2 = path.Path(filename1), path.Path(filename2)
assert path1.compare_recursive(path2, verbose = 1)
def test_basic_cycle(self, backup_options = [], restore_options = []):
"""Run backup/restore test on basic directories"""
self.runtest(["testfiles/dir1",
"testfiles/dir2",
"testfiles/dir3"],
backup_options = backup_options,
restore_options = restore_options)
# Test restoring various sub files
for filename, time, dir in [('symbolic_link', 99999, 'dir1'),
('directory_to_file', 100100, 'dir1'),
('directory_to_file', 200100, 'dir2'),
('largefile', 300000, 'dir3')]:
self.restore(filename, time, options = restore_options)
self.check_same('testfiles/%s/%s' % (dir, filename),
'testfiles/restore_out')
if verify:
self.verify('testfiles/%s/%s' % (dir, filename),
file_to_verify = filename, time = time,
options = restore_options)
def test_asym_cycle(self):
"""Like test_basic_cycle but use asymmetric encryption and signing"""
backup_options = ["--encrypt-key " + config.encrypt_key1,
"--sign-key " + config.sign_key]
restore_options = ["--encrypt-key " + config.encrypt_key1,
"--sign-key " + config.sign_key]
config.set_environ("SIGN_PASSPHRASE", config.sign_passphrase)
self.test_basic_cycle(backup_options = backup_options,
restore_options = restore_options)
def test_single_regfile(self):
"""Test backing and restoring up a single regular file"""
self.runtest(["testfiles/various_file_types/regular_file"])
def test_empty_backup(self):
"""Make sure backup works when no files change"""
self.backup("full", "testfiles/empty_dir")
self.backup("inc", "testfiles/empty_dir")
def test_long_filenames(self):
"""Test backing up a directory with long filenames in it"""
lf_dir = path.Path("testfiles/long_filenames")
if lf_dir.exists():
lf_dir.deltree()
lf_dir.mkdir()
lf1 = lf_dir.append("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")
lf1.mkdir()
lf2 = lf1.append("BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB")
lf2.mkdir()
lf3 = lf2.append("CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC")
lf3.mkdir()
lf4 = lf3.append("DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD")
lf4.touch()
lf4_1 = lf3.append("SYMLINK--------------------------------------------------------------------------------------------")
os.symlink("SYMLINK-DESTINATION-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------", lf4_1.name)
lf4_1.setdata()
assert lf4_1.issym()
lf4_2 = lf3.append("DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD")
fp = lf4_2.open("wb")
fp.write("hello" * 1000)
assert not fp.close()
self.runtest(["testfiles/empty_dir", lf_dir.name,
"testfiles/empty_dir", lf_dir.name])
def test_empty_restore(self):
"""Make sure error raised when restore doesn't match anything"""
self.deltmp()
self.backup("full", "testfiles/dir1")
self.assertRaises(CmdError, self.restore, "this_file_does_not_exist")
self.backup("inc", "testfiles/empty_dir")
self.assertRaises(CmdError, self.restore, "this_file_does_not_exist")
def test_remove_older_than(self):
"""Test removing old backup chains"""
self.deltmp()
self.backup("full", "testfiles/dir1", current_time = 10000)
self.backup("inc", "testfiles/dir2", current_time = 20000)
self.backup("full", "testfiles/dir1", current_time = 30000)
self.backup("inc", "testfiles/dir3", current_time = 40000)
b = duplicity.backend.get_backend(backend_url)
commandline.set_archive_dir("testfiles/cache")
cs = collections.CollectionsStatus(b, globals.archive_dir).set_values()
assert len(cs.all_backup_chains) == 2, cs.all_backup_chains
assert cs.matched_chain_pair
self.run_duplicity(["--force", backend_url], options=["remove-older-than 35000"])
cs2 = collections.CollectionsStatus(b, globals.archive_dir).set_values()
assert len(cs2.all_backup_chains) == 1, cs.all_backup_chains
assert cs2.matched_chain_pair
chain = cs2.all_backup_chains[0]
assert chain.start_time == 30000, chain.start_time
assert chain.end_time == 40000, chain.end_time
# Now check to make sure we can't delete only chain
self.run_duplicity(["--force", backend_url], options=["remove-older-than 50000"])
cs3 = collections.CollectionsStatus(b, globals.archive_dir).set_values()
assert len(cs3.all_backup_chains) == 1
assert cs3.matched_chain_pair
chain = cs3.all_backup_chains[0]
assert chain.start_time == 30000, chain.start_time
assert chain.end_time == 40000, chain.end_time
class FinalTest1(FinalTest, unittest.TestCase):
def setUp(self):
assert not os.system("tar xzf testfiles.tar.gz > /dev/null 2>&1")
def tearDown(self):
assert not os.system("rm -rf testfiles tempdir temp2.tar")
globals.old_filenames = False
class FinalTest2(FinalTest, unittest.TestCase):
def setUp(self):
assert not os.system("tar xzf testfiles.tar.gz > /dev/null 2>&1")
def tearDown(self):
assert not os.system("rm -rf testfiles tempdir temp2.tar")
globals.old_filenames = True
if __name__ == "__main__":
unittest.main()
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