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# test_repack_tarball.py -- Testsuite for repacking of tarballs
# Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>
#
# This file is part of bzr-builddeb.
#
# bzr-builddeb 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.
#
# bzr-builddeb 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 bzr-builddeb; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
import os
import shutil
import tarfile
from ....transport import (
NoSuchFile,
FileExists,
)
from ..repack_tarball import (
repack_tarball,
get_filetype,
get_repacker_class,
UnsupportedRepackFormat,
)
from . import TestCaseInTempDir
def touch(filename):
f = open(filename, "w")
try:
f.write(" ")
finally:
f.close()
class TestRepackTarball(TestCaseInTempDir):
basedir = "package-0.2/"
files = ["README"]
bare_tarball_name = "package-0.2.tar"
tgz_tarball_name = "package-0.2.tgz"
tar_gz_tarball_name = "package-0.2.tar.gz"
tar_bz2_tarball_name = "package-0.2.tar.bz2"
new_tarball = "package_0.2.orig.tar.gz"
def create_basedir(self):
"""Create the basedir that the source can be built from"""
os.mkdir(self.basedir)
for filename in [os.path.join(self.basedir, file) for file in self.files]:
if filename.endswith("/"):
os.mkdir(filename)
else:
touch(filename)
def create_old_tarball(self):
self.create_basedir()
self.build_tarball(self.basedir, self.old_tarball)
shutil.rmtree(self.basedir)
def test_create_old_tarball(self):
self.create_old_tarball()
self.assertPathExists(self.old_tarball)
def test_repack_tarball_non_extant(self):
error = NoSuchFile
old_format = get_filetype(self.old_tarball)
new_format = get_filetype(self.new_tarball)
if get_repacker_class(old_format, new_format) is None:
# directory, can't really be detected remotely, so we have a
# error that could mean two things
error = UnsupportedRepackFormat
self.assertRaises(error, repack_tarball, self.old_tarball, self.new_tarball)
def test_repack_tarball_result_extant(self):
self.create_old_tarball()
touch(self.new_tarball)
self.assertRaises(
FileExists, repack_tarball, self.old_tarball, self.new_tarball
)
def test_repack_tarball_creates_new(self):
self.create_old_tarball()
repack_tarball(self.old_tarball, self.new_tarball)
self.assertPathExists(self.old_tarball)
self.assertPathExists(self.new_tarball)
def test_repack_tarball_contents(self):
self.create_old_tarball()
repack_tarball(self.old_tarball, self.new_tarball)
tar = tarfile.open(self.new_tarball, "r:gz")
try:
# The tarfile module returns member names of directories with a
# trailing slash, in Python 2.5 *only*.
members = [x.rstrip("/") for x in tar.getnames()]
finally:
tar.close()
self.assertEqual(
members,
[self.basedir.rstrip("/")]
+ [os.path.join(self.basedir, file).rstrip("/") for file in self.files],
)
def test_repack_tarball_with_target_dir(self):
self.create_old_tarball()
target_dir = "tarballs"
repack_tarball(self.old_tarball, self.new_tarball, target_dir=target_dir)
self.assertPathExists(target_dir)
self.assertPathExists(os.path.join(target_dir, self.new_tarball))
self.assertPathExists(self.old_tarball)
self.assertPathDoesNotExist(self.new_tarball)
def test_repack_tarball_with_target_dir_exists(self):
self.create_old_tarball()
target_dir = "tarballs"
os.mkdir(target_dir)
repack_tarball(self.old_tarball, self.new_tarball, target_dir=target_dir)
self.assertPathExists(target_dir)
self.assertPathExists(os.path.join(target_dir, self.new_tarball))
self.assertPathExists(self.old_tarball)
self.assertPathDoesNotExist(self.new_tarball)
def test_repack_tarball_with_target_dir_not_dir(self):
self.create_old_tarball()
target_dir = "tarballs"
touch(target_dir)
# transport gives NoSuchFile rather than NotADirectory for this
self.assertRaises(
(IOError, NoSuchFile),
repack_tarball,
self.old_tarball,
self.new_tarball,
target_dir=target_dir,
)
self.assertPathExists(self.old_tarball)
self.assertPathDoesNotExist(self.new_tarball)
self.assertPathDoesNotExist(os.path.join(target_dir, self.new_tarball))
self.assertPathExists(target_dir)
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