patool/tests/__init__.py

117 lines
4.3 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2010 Bastian Kleineidam
#
# This program 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 3 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
import os
import shutil
import nose
import patoolib
from distutils.spawn import find_executable
basedir = os.path.dirname(__file__)
datadir = os.path.join(basedir, 'data')
class ArchiveTest (unittest.TestCase):
"""Helper class for achive tests."""
def __init__ (self, *args):
super(ArchiveTest, self).__init__(*args)
# set program to use for archive handling
self.program = None
def archive_commands (self, filename, singlefile=False):
self.archive_list(filename)
self.archive_test(filename)
self.archive_extract(filename)
self.archive_create(filename, singlefile=singlefile)
def archive_extract (self, filename):
archive = os.path.join(datadir, filename)
# create a temporary directory for extraction
tmpdir = patoolib.util.tmpdir(dir=basedir)
os.chdir(tmpdir)
try:
patoolib._handle_archive(archive, 'extract', program=self.program)
patoolib._handle_archive(archive, 'extract', program=self.program, force=True)
finally:
os.chdir(basedir)
shutil.rmtree(tmpdir)
def archive_list (self, filename):
archive = os.path.join(datadir, filename)
patoolib._handle_archive(archive, 'list', program=self.program)
patoolib._handle_archive(archive, 'list', program=self.program, verbose=True)
def archive_test (self, filename):
archive = os.path.join(datadir, filename)
patoolib._handle_archive(archive, 'test', program=self.program)
patoolib._handle_archive(archive, 'test', program=self.program, verbose=True)
def archive_create (self, filename, singlefile=False):
# the file or directory to pack
if singlefile:
topack = os.path.join(datadir, 'foo.txt')
else:
topack = os.path.join(datadir, 'foo')
# create a temporary directory for creation
tmpdir = patoolib.util.tmpdir(dir=basedir)
archive = os.path.join(tmpdir, filename)
os.chdir(tmpdir)
try:
patoolib._handle_archive(archive, 'create', topack, program=self.program)
# not all programs can test what they create
if self.program == 'compress':
program = 'gzip'
else:
program = self.program
patoolib._handle_archive(archive, 'test', program=program)
finally:
os.chdir(basedir)
shutil.rmtree(tmpdir)
def needs_program (program):
"""Decorator skipping test if given program is not available."""
def check_prog (f):
def newfunc (*args, **kwargs):
if not find_executable(program):
raise nose.SkipTest("program `%s' not available" % program)
return f(*args, **kwargs)
newfunc.func_name = f.func_name
return newfunc
return check_prog
def needs_codec (program, codec):
"""Decorator skipping test if given program codec is not available."""
def check_prog (f):
def newfunc (*args, **kwargs):
if not find_executable(program):
raise nose.SkipTest("program `%s' not available" % program)
if not find_codec(program, codec):
raise nose.SkipTest("codec `%s' for program `%s' not available" % (codec, program))
return f(*args, **kwargs)
newfunc.func_name = f.func_name
return newfunc
return check_prog
def find_codec (program, codec):
if program == '7z' and codec == 'rar':
return os.path.exists('/usr/lib/p7zip/Codecs/Rar29.so')
if program == 'tar':
return find_executable(codec)
return False