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# test_index.py -- Tests for the git index
# Copyright (C) 2008-2009 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
# 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 the index."""
from cStringIO import (
StringIO,
)
import os
import shutil
import stat
import struct
import tempfile
from dulwich.index import (
Index,
build_index_from_tree,
cleanup_mode,
commit_tree,
index_entry_from_stat,
read_index,
write_cache_time,
write_index,
)
from dulwich.object_store import (
MemoryObjectStore,
)
from dulwich.objects import (
Blob,
Tree,
)
from dulwich.repo import Repo
from dulwich.tests import TestCase
class IndexTestCase(TestCase):
datadir = os.path.join(os.path.dirname(__file__), 'data/indexes')
def get_simple_index(self, name):
return Index(os.path.join(self.datadir, name))
class SimpleIndexTestCase(IndexTestCase):
def test_len(self):
self.assertEqual(1, len(self.get_simple_index("index")))
def test_iter(self):
self.assertEqual(['bla'], list(self.get_simple_index("index")))
def test_getitem(self):
self.assertEqual(((1230680220, 0), (1230680220, 0), 2050, 3761020,
33188, 1000, 1000, 0,
'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391', 0),
self.get_simple_index("index")["bla"])
def test_empty(self):
i = self.get_simple_index("notanindex")
self.assertEqual(0, len(i))
self.assertFalse(os.path.exists(i._filename))
class SimpleIndexWriterTestCase(IndexTestCase):
def setUp(self):
IndexTestCase.setUp(self)
self.tempdir = tempfile.mkdtemp()
def tearDown(self):
IndexTestCase.tearDown(self)
shutil.rmtree(self.tempdir)
def test_simple_write(self):
entries = [('barbla', (1230680220, 0), (1230680220, 0), 2050, 3761020,
33188, 1000, 1000, 0,
'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391', 0)]
filename = os.path.join(self.tempdir, 'test-simple-write-index')
x = open(filename, 'w+')
try:
write_index(x, entries)
finally:
x.close()
x = open(filename, 'r')
try:
self.assertEqual(entries, list(read_index(x)))
finally:
x.close()
class CommitTreeTests(TestCase):
def setUp(self):
super(CommitTreeTests, self).setUp()
self.store = MemoryObjectStore()
def test_single_blob(self):
blob = Blob()
blob.data = "foo"
self.store.add_object(blob)
blobs = [("bla", blob.id, stat.S_IFREG)]
rootid = commit_tree(self.store, blobs)
self.assertEqual(rootid, "1a1e80437220f9312e855c37ac4398b68e5c1d50")
self.assertEqual((stat.S_IFREG, blob.id), self.store[rootid]["bla"])
self.assertEqual(set([rootid, blob.id]), set(self.store._data.keys()))
def test_nested(self):
blob = Blob()
blob.data = "foo"
self.store.add_object(blob)
blobs = [("bla/bar", blob.id, stat.S_IFREG)]
rootid = commit_tree(self.store, blobs)
self.assertEqual(rootid, "d92b959b216ad0d044671981196781b3258fa537")
dirid = self.store[rootid]["bla"][1]
self.assertEqual(dirid, "c1a1deb9788150829579a8b4efa6311e7b638650")
self.assertEqual((stat.S_IFDIR, dirid), self.store[rootid]["bla"])
self.assertEqual((stat.S_IFREG, blob.id), self.store[dirid]["bar"])
self.assertEqual(set([rootid, dirid, blob.id]),
set(self.store._data.keys()))
class CleanupModeTests(TestCase):
def test_file(self):
self.assertEqual(0100644, cleanup_mode(0100000))
def test_executable(self):
self.assertEqual(0100755, cleanup_mode(0100711))
def test_symlink(self):
self.assertEqual(0120000, cleanup_mode(0120711))
def test_dir(self):
self.assertEqual(0040000, cleanup_mode(040531))
def test_submodule(self):
self.assertEqual(0160000, cleanup_mode(0160744))
class WriteCacheTimeTests(TestCase):
def test_write_string(self):
f = StringIO()
self.assertRaises(TypeError, write_cache_time, f, "foo")
def test_write_int(self):
f = StringIO()
write_cache_time(f, 434343)
self.assertEqual(struct.pack(">LL", 434343, 0), f.getvalue())
def test_write_tuple(self):
f = StringIO()
write_cache_time(f, (434343, 21))
self.assertEqual(struct.pack(">LL", 434343, 21), f.getvalue())
def test_write_float(self):
f = StringIO()
write_cache_time(f, 434343.000000021)
self.assertEqual(struct.pack(">LL", 434343, 21), f.getvalue())
class IndexEntryFromStatTests(TestCase):
def test_simple(self):
st = os.stat_result((16877, 131078, 64769L,
154, 1000, 1000, 12288,
1323629595, 1324180496, 1324180496))
entry = index_entry_from_stat(st, "22" * 20, 0)
self.assertEqual(entry, (
1324180496,
1324180496,
64769L,
131078,
16384,
1000,
1000,
12288,
'2222222222222222222222222222222222222222',
0))
def test_override_mode(self):
st = os.stat_result((stat.S_IFREG + 0644, 131078, 64769L,
154, 1000, 1000, 12288,
1323629595, 1324180496, 1324180496))
entry = index_entry_from_stat(st, "22" * 20, 0,
mode=stat.S_IFREG + 0755)
self.assertEqual(entry, (
1324180496,
1324180496,
64769L,
131078,
33261,
1000,
1000,
12288,
'2222222222222222222222222222222222222222',
0))
class BuildIndexTests(TestCase):
def assertReasonableIndexEntry(self, index_entry, mode, filesize, sha):
self.assertEquals(index_entry[4], mode) # mode
self.assertEquals(index_entry[7], filesize) # filesize
self.assertEquals(index_entry[8], sha) # sha
def assertFileContents(self, path, contents, symlink=False):
if symlink:
self.assertEquals(os.readlink(path), contents)
else:
f = open(path, 'rb')
try:
self.assertEquals(f.read(), contents)
finally:
f.close()
def test_empty(self):
repo_dir = tempfile.mkdtemp()
repo = Repo.init(repo_dir)
self.addCleanup(shutil.rmtree, repo_dir)
tree = Tree()
repo.object_store.add_object(tree)
build_index_from_tree(repo.path, repo.index_path(),
repo.object_store, tree.id)
# Verify index entries
index = repo.open_index()
self.assertEquals(len(index), 0)
# Verify no files
self.assertEquals(['.git'], os.listdir(repo.path))
def test_git_dir(self):
if os.name != 'posix':
self.skip("test depends on POSIX shell")
repo_dir = tempfile.mkdtemp()
repo = Repo.init(repo_dir)
self.addCleanup(shutil.rmtree, repo_dir)
# Populate repo
filea = Blob.from_string('file a')
filee = Blob.from_string('d')
tree = Tree()
tree['.git/a'] = (stat.S_IFREG | 0o644, filea.id)
tree['c/e'] = (stat.S_IFREG | 0o644, filee.id)
repo.object_store.add_objects([(o, None)
for o in [filea, filee, tree]])
build_index_from_tree(repo.path, repo.index_path(),
repo.object_store, tree.id)
# Verify index entries
index = repo.open_index()
self.assertEqual(len(index), 1)
# filea
apath = os.path.join(repo.path, '.git', 'a')
self.assertFalse(os.path.exists(apath))
# filee
epath = os.path.join(repo.path, 'c', 'e')
self.assertTrue(os.path.exists(epath))
self.assertReasonableIndexEntry(index['c/e'],
stat.S_IFREG | 0o644, 1, filee.id)
self.assertFileContents(epath, 'd')
def test_nonempty(self):
if os.name != 'posix':
self.skip("test depends on POSIX shell")
repo_dir = tempfile.mkdtemp()
repo = Repo.init(repo_dir)
self.addCleanup(shutil.rmtree, repo_dir)
# Populate repo
filea = Blob.from_string('file a')
fileb = Blob.from_string('file b')
filed = Blob.from_string('file d')
filee = Blob.from_string('d')
tree = Tree()
tree['a'] = (stat.S_IFREG | 0644, filea.id)
tree['b'] = (stat.S_IFREG | 0644, fileb.id)
tree['c/d'] = (stat.S_IFREG | 0644, filed.id)
tree['c/e'] = (stat.S_IFLNK, filee.id) # symlink
repo.object_store.add_objects([(o, None)
for o in [filea, fileb, filed, filee, tree]])
build_index_from_tree(repo.path, repo.index_path(),
repo.object_store, tree.id)
# Verify index entries
index = repo.open_index()
self.assertEquals(len(index), 4)
# filea
apath = os.path.join(repo.path, 'a')
self.assertTrue(os.path.exists(apath))
self.assertReasonableIndexEntry(index['a'],
stat.S_IFREG | 0644, 6, filea.id)
self.assertFileContents(apath, 'file a')
# fileb
bpath = os.path.join(repo.path, 'b')
self.assertTrue(os.path.exists(bpath))
self.assertReasonableIndexEntry(index['b'],
stat.S_IFREG | 0644, 6, fileb.id)
self.assertFileContents(bpath, 'file b')
# filed
dpath = os.path.join(repo.path, 'c', 'd')
self.assertTrue(os.path.exists(dpath))
self.assertReasonableIndexEntry(index['c/d'],
stat.S_IFREG | 0644, 6, filed.id)
self.assertFileContents(dpath, 'file d')
# symlink to d
epath = os.path.join(repo.path, 'c', 'e')
self.assertTrue(os.path.exists(epath))
self.assertReasonableIndexEntry(index['c/e'],
stat.S_IFLNK, 1, filee.id)
self.assertFileContents(epath, 'd', symlink=True)
# Verify no extra files
self.assertEquals(['.git', 'a', 'b', 'c'],
sorted(os.listdir(repo.path)))
self.assertEquals(['d', 'e'],
sorted(os.listdir(os.path.join(repo.path, 'c'))))
|
