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#! /usr/bin/python
# Tests for ArFile/DebFile
# Copyright (C) 2007 Stefano Zacchiroli <zack@debian.org>
# Copyright (C) 2007 Filippo Giunchedi <filippo@debian.org>
#
# 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/>.
from __future__ import absolute_import
import unittest
import os
import os.path
import re
import stat
import sys
import tempfile
import uu
import six
from debian import arfile
from debian import debfile
try:
# pylint: disable=unused-import
from typing import (
Any,
Callable,
Dict,
IO,
List,
Optional,
Union,
Text,
Tuple,
Type,
TypeVar,
)
except ImportError:
# Missing types aren't important at runtime
TYPE_CHECKING = False
# Fake some definitions
if not TYPE_CHECKING:
TypeVar = lambda t: None
def find_test_file(filename):
# type: (str) -> str
""" find a test file that is located within the test suite """
return os.path.join(os.path.dirname(__file__), filename)
T = TypeVar("T")
def not_none(obj):
# type: (Optional[T]) -> T
assert obj is not None
return obj
class TestArFile(unittest.TestCase):
def setUp(self):
# type: () -> None
os.system(
"ar rU test.ar %s %s %s >/dev/null 2>&1" % (
find_test_file("test_debfile.py"),
find_test_file("test_changelog"),
find_test_file("test_deb822.py"))
)
assert os.path.exists("test.ar")
with os.popen("ar t test.ar") as ar:
self.testmembers = [x.strip() for x in ar.readlines()]
self.a = arfile.ArFile("test.ar")
self.fp = open("test.ar", "rb")
def tearDown(self):
# type: () -> None
self.fp.close()
if os.path.exists('test.ar'):
os.unlink('test.ar')
def test_getnames(self):
# type: () -> None
""" test for file list equality """
self.assertEqual(self.a.getnames(), self.testmembers)
def test_getmember(self):
# type: () -> None
""" test for each member equality """
for member in self.testmembers:
m = self.a.getmember(member)
assert m
self.assertEqual(m.name, member)
mstat = os.stat(find_test_file(member))
self.assertEqual(m.size, mstat[stat.ST_SIZE])
self.assertEqual(m.owner, mstat[stat.ST_UID])
self.assertEqual(m.group, mstat[stat.ST_GID])
def test_file_seek(self):
# type: () -> None
""" test for faked seek """
m = self.a.getmember(self.testmembers[0])
for i in [10,100,10000,100000]:
m.seek(i, 0)
self.assertEqual(m.tell(), i, "failed tell()")
m.seek(-i, 1)
self.assertEqual(m.tell(), 0, "failed tell()")
m.seek(0)
self.assertRaises(IOError, m.seek, -1, 0)
self.assertRaises(IOError, m.seek, -1, 1)
m.seek(0)
m.close()
def test_file_read(self):
# type: () -> None
""" test for faked read """
for m in self.a.getmembers():
with open(find_test_file(m.name), 'rb') as f:
for i in [10, 100, 10000]:
self.assertEqual(m.read(i), f.read(i))
m.close()
def test_file_readlines(self):
# type: () -> None
""" test for faked readlines """
for m in self.a.getmembers():
f = open(find_test_file(m.name), 'rb')
self.assertEqual(m.readlines(), f.readlines())
m.close()
f.close()
class TestArFileFileObj(TestArFile):
def setUp(self):
# type: () -> None
super(TestArFileFileObj, self).setUp()
self.a = arfile.ArFile(fileobj=self.fp)
def tearDown(self):
# type: () -> None
super(TestArFileFileObj, self).tearDown()
class TestDebFile(unittest.TestCase):
test_debs = [
find_test_file('test.deb'),
find_test_file('test-broken.deb'),
]
test_compressed_debs = [
find_test_file('test-bz2.deb'),
find_test_file('test-xz.deb'),
find_test_file('test-uncompressed.deb'),
find_test_file('test-uncompressed-ctrl.deb'),
]
def setUp(self):
# type: () -> None
def uudecode(infile, outfile):
# type: (str, str) -> None
with open(infile, 'rb') as uu_deb, open(outfile, 'wb') as bin_deb:
uu.decode(uu_deb, bin_deb)
for package in self.test_debs + self.test_compressed_debs:
uudecode('%s.uu' % package, package)
self.debname = find_test_file('test.deb')
self.d = debfile.DebFile(self.debname)
def tearDown(self):
# type: () -> None
self.d.close()
for package in self.test_debs + self.test_compressed_debs:
os.unlink(package)
def test_missing_members(self):
# type: () -> None
with self.assertRaises(debfile.DebError):
debfile.DebFile(find_test_file('test-broken.deb'))
def test_data_compression(self):
# type: () -> None
for package in self.test_compressed_debs:
deb = debfile.DebFile(package)
# random test on the data part, just to check that content access
# is OK
self.assertEqual(os.path.normpath(deb.data.tgz().getnames()[10]),
os.path.normpath('./usr/share/locale/bg/'),
"Data part failed on deb %s" % package)
deb.close()
def test_control_compression(self):
# type: () -> None
for package in self.test_compressed_debs:
deb = debfile.DebFile(package)
# random test on the control part
self.assertEqual(os.path.normpath(deb.control.tgz().getnames()[1]),
'md5sums',
"Control part failed on deb %s" % package)
deb.close()
def test_data_names(self):
# type: () -> None
""" test for file list equality """
tgz = self.d.data.tgz()
with os.popen("dpkg-deb --fsys-tarfile %s | tar t" %
self.debname) as tar:
dpkg_names = [os.path.normpath(x.strip()) for x in tar.readlines()]
debfile_names = [os.path.normpath(name) for name in tgz.getnames()]
# skip the root
self.assertEqual(debfile_names[1:], dpkg_names[1:])
def test_control(self):
# type: () -> None
""" test for control equality """
with os.popen("dpkg-deb -f %s" % self.debname) as dpkg_deb:
filecontrol = "".join(dpkg_deb.readlines())
self.assertEqual(
not_none(self.d.control.get_content("control")).decode("utf-8"),
filecontrol)
self.assertEqual(
self.d.control.get_content("control", encoding="utf-8"),
filecontrol)
def test_md5sums(self):
# type: () -> None
"""test md5 extraction from .debs"""
md5b = self.d.md5sums()
self.assertEqual(md5b[b'usr/bin/hello'],
'9c1a72a78f82216a0305b6c90ab71058')
self.assertEqual(md5b[b'usr/share/locale/zh_TW/LC_MESSAGES/hello.mo'],
'a7356e05bd420872d03cd3f5369de42f')
md5 = self.d.md5sums(encoding='UTF-8')
self.assertEqual(md5[six.u('usr/bin/hello')],
'9c1a72a78f82216a0305b6c90ab71058')
self.assertEqual(md5[six.u('usr/share/locale/zh_TW/LC_MESSAGES/hello.mo')],
'a7356e05bd420872d03cd3f5369de42f')
if __name__ == '__main__':
unittest.main()
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