Attachment 6280 Details for Bug 15558 – A Proof-of-Concept script to run.

A Proof-of-Concept script to run.

test_pack.py (text/plain), 2.25 KB, created by Shlomi Fish on 2015-04-15 18:55:11 CEST

(hide)

Description:

Filename:

MIME Type:

Creator: Shlomi Fish

Created: 2015-04-15 18:55:11 CEST

Size: 2.25 KB

patch

obsolete

># test_pack.py -- Tests for the handling of git packs.
># Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>
># Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.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; version 2
># of the License, or (at your option) any later version of the license.
>#
># 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, write to the Free Software
># Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
># MA  02110-1301, USA.
>
>"""Tests for Dulwich packs."""
>
>
>from io import BytesIO
>from hashlib import sha1
>import os
>import shutil
>import tempfile
>import zlib
>
>from unittest import (
>    TestCase,
>    )
>
>import unittest
>
>from dulwich.pack import (
>    OFS_DELTA,
>    REF_DELTA,
>    MemoryPackIndex,
>    Pack,
>    PackData,
>    apply_delta,
>    create_delta,
>    deltify_pack_objects,
>    load_pack_index,
>    UnpackedObject,
>    read_zlib_chunks,
>    write_pack_header,
>    write_pack_index_v1,
>    write_pack_index_v2,
>    write_pack_object,
>    write_pack,
>    unpack_object,
>    compute_file_sha,
>    PackStreamReader,
>    DeltaChainIterator,
>    )
>
>pack1_sha = 'bc63ddad95e7321ee734ea11a7a62d314e0d7481'
>
>a_sha = '6f670c0fb53f9463760b7295fbb814e965fb20c8'
>tree_sha = 'b2a2766a2879c209ab1176e7e778b81ae422eeaa'
>commit_sha = 'f18faa16531ac570a3fdc8c7ca16682548dafd12'
>
>class TestPackDeltas(TestCase):
>
>    test_string1 = 'The answer was flailing in the wind'
>    test_string2 = 'The answer was falling down the pipe'
>    test_string3 = 'zzzzz'
>
>    test_string_empty = ''
>    test_string_big = 'Z' * 8192
>    test_string_huge = 'Z' * 100000
>
>    def test_dest_overflow(self):
>        self.assertRaises(
>            ValueError,
>            apply_delta, 'a'*0x10000, '\x80\x80\x04\x80\x80\x04\x80' + 'a'*0x10000)
>        self.assertRaises(
>            ValueError,
>            apply_delta, '', '\x00\x80\x02\xb0\x11\x11')
>
>unittest.main();
>

# test_pack.py -- Tests for the handling of git packs.
# Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>
# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.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; version 2
# of the License, or (at your option) any later version of the license.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA  02110-1301, USA.

"""Tests for Dulwich packs."""


from io import BytesIO
from hashlib import sha1
import os
import shutil
import tempfile
import zlib

from unittest import (
    TestCase,
    )

import unittest

from dulwich.pack import (
    OFS_DELTA,
    REF_DELTA,
    MemoryPackIndex,
    Pack,
    PackData,
    apply_delta,
    create_delta,
    deltify_pack_objects,
    load_pack_index,
    UnpackedObject,
    read_zlib_chunks,
    write_pack_header,
    write_pack_index_v1,
    write_pack_index_v2,
    write_pack_object,
    write_pack,
    unpack_object,
    compute_file_sha,
    PackStreamReader,
    DeltaChainIterator,
    )

pack1_sha = 'bc63ddad95e7321ee734ea11a7a62d314e0d7481'

a_sha = '6f670c0fb53f9463760b7295fbb814e965fb20c8'
tree_sha = 'b2a2766a2879c209ab1176e7e778b81ae422eeaa'
commit_sha = 'f18faa16531ac570a3fdc8c7ca16682548dafd12'

class TestPackDeltas(TestCase):

    test_string1 = 'The answer was flailing in the wind'
    test_string2 = 'The answer was falling down the pipe'
    test_string3 = 'zzzzz'

    test_string_empty = ''
    test_string_big = 'Z' * 8192
    test_string_huge = 'Z' * 100000

    def test_dest_overflow(self):
        self.assertRaises(
            ValueError,
            apply_delta, 'a'*0x10000, '\x80\x80\x04\x80\x80\x04\x80' + 'a'*0x10000)
        self.assertRaises(
            ValueError,
            apply_delta, '', '\x00\x80\x02\xb0\x11\x11')

unittest.main();

Actions: View

Attachments on bug 15558: 6280