1
# test_pack.py -- Tests for the handling of git packs.
2
# Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>
4
# This program is free software; you can redistribute it and/or
5
# modify it under the terms of the GNU General Public License
6
# as published by the Free Software Foundation; version 2
9
# This program is distributed in the hope that it will be useful,
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12
# GNU General Public License for more details.
14
# You should have received a copy of the GNU General Public License
15
# along with this program; if not, write to the Free Software
16
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22
from git.pack import (PackIndex,
26
pack1_sha = 'bc63ddad95e7321ee734ea11a7a62d314e0d7481'
28
a_sha = '6f670c0fb53f9463760b7295fbb814e965fb20c8'
29
tree_sha = 'b2a2766a2879c209ab1176e7e778b81ae422eeaa'
30
commit_sha = 'f18faa16531ac570a3fdc8c7ca16682548dafd12'
32
class PackTests(unittest.TestCase):
33
"""Base class for testing packs"""
35
datadir = os.path.join(os.path.dirname(__file__), 'data/packs')
37
def get_pack_index(self, sha):
38
"""Returns a PackIndex from the datadir with the given sha"""
39
return PackIndex(os.path.join(self.datadir, 'pack-%s.idx' % sha))
41
def get_pack_data(self, sha):
42
"""Returns a PackData object from the datadir with the given sha"""
43
return PackData(os.path.join(self.datadir, 'pack-%s.pack' % sha))
46
class PackIndexTests(PackTests):
47
"""Class that tests the index of packfiles"""
49
def test_object_index(self):
50
"""Tests that the correct object offset is returned from the index."""
51
p = self.get_pack_index(pack1_sha)
52
self.assertEqual(p.object_index(pack1_sha), None)
53
self.assertEqual(p.object_index(a_sha), 178)
54
self.assertEqual(p.object_index(tree_sha), 138)
55
self.assertEqual(p.object_index(commit_sha), 12)
58
class TestPackData(PackTests):
59
"""Tests getting the data from the packfile."""
61
def test_create_pack(self):
62
p = self.get_pack_data(pack1_sha)
64
def test_get_object_at(self):
65
"""Tests random access for non-delta objects"""
66
p = self.get_pack_data(pack1_sha)
67
idx = self.get_pack_index(pack1_sha)
68
obj = p.get_object_at(idx.object_index(a_sha))
69
self.assertEqual(obj._type, 'blob')
70
self.assertEqual(obj.sha().hexdigest(), a_sha)
71
obj = p.get_object_at(idx.object_index(tree_sha))
72
self.assertEqual(obj._type, 'tree')
73
self.assertEqual(obj.sha().hexdigest(), tree_sha)
74
obj = p.get_object_at(idx.object_index(commit_sha))
75
self.assertEqual(obj._type, 'commit')
76
self.assertEqual(obj.sha().hexdigest(), commit_sha)