2017-01-31 12:05:27 +01:00

651 lines
24 KiB
Python

# test_swift.py -- Unittests for the Swift backend.
# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
#
# Author: Fabien Boucher <fabien.boucher@enovance.com>
#
# Dulwich is dual-licensed under the Apache License, Version 2.0 and the GNU
# General Public License as public by the Free Software Foundation; version 2.0
# or (at your option) any later version. You can redistribute it and/or
# modify it under the terms of either of these two licenses.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# You should have received a copy of the licenses; if not, see
# <http://www.gnu.org/licenses/> for a copy of the GNU General Public License
# and <http://www.apache.org/licenses/LICENSE-2.0> for a copy of the Apache
# License, Version 2.0.
#
"""Tests for dulwich.contrib.swift."""
import posixpath
from time import time
from io import BytesIO
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
import sys
from unittest import skipIf
from dulwich.tests import (
TestCase,
)
from dulwich.tests.test_object_store import (
ObjectStoreTests,
)
from dulwich.tests.utils import (
build_pack,
)
from dulwich.objects import (
Blob,
Commit,
Tree,
Tag,
parse_timezone,
)
from dulwich.pack import (
REF_DELTA,
write_pack_index_v2,
PackData,
load_pack_index_file,
)
try:
from simplejson import dumps as json_dumps
except ImportError:
from json import dumps as json_dumps
missing_libs = []
try:
import gevent
except ImportError:
missing_libs.append("gevent")
try:
import geventhttpclient
except ImportError:
missing_libs.append("geventhttpclient")
try:
from mock import patch
except ImportError:
missing_libs.append("mock")
skipmsg = "Required libraries are not installed (%r)" % missing_libs
skipIfPY3 = skipIf(sys.version_info[0] == 3, "SWIFT module not yet ported to python3.")
if not missing_libs:
from dulwich.contrib import swift
config_file = """[swift]
auth_url = http://127.0.0.1:8080/auth/%(version_str)s
auth_ver = %(version_int)s
username = test;tester
password = testing
region_name = %(region_name)s
endpoint_type = %(endpoint_type)s
concurrency = %(concurrency)s
chunk_length = %(chunk_length)s
cache_length = %(cache_length)s
http_pool_length = %(http_pool_length)s
http_timeout = %(http_timeout)s
"""
def_config_file = {'version_str': 'v1.0',
'version_int': 1,
'concurrency': 1,
'chunk_length': 12228,
'cache_length': 1,
'region_name': 'test',
'endpoint_type': 'internalURL',
'http_pool_length': 1,
'http_timeout': 1}
def create_swift_connector(store={}):
return lambda root, conf: FakeSwiftConnector(root,
conf=conf,
store=store)
class Response(object):
def __init__(self, headers={}, status=200, content=None):
self.headers = headers
self.status_code = status
self.content = content
def __getitem__(self, key):
return self.headers[key]
def items(self):
return self.headers.items()
def read(self):
return self.content
def fake_auth_request_v1(*args, **kwargs):
ret = Response({'X-Storage-Url':
'http://127.0.0.1:8080/v1.0/AUTH_fakeuser',
'X-Auth-Token': '12' * 10},
200)
return ret
def fake_auth_request_v1_error(*args, **kwargs):
ret = Response({},
401)
return ret
def fake_auth_request_v2(*args, **kwargs):
s_url = 'http://127.0.0.1:8080/v1.0/AUTH_fakeuser'
resp = {'access': {'token': {'id': '12' * 10},
'serviceCatalog':
[
{'type': 'object-store',
'endpoints': [{'region': 'test',
'internalURL': s_url,
},
]
},
]
}
}
ret = Response(status=200, content=json_dumps(resp))
return ret
def create_commit(data, marker=b'Default', blob=None):
if not blob:
blob = Blob.from_string(b'The blob content ' + marker)
tree = Tree()
tree.add(b"thefile_" + marker, 0o100644, blob.id)
cmt = Commit()
if data:
assert isinstance(data[-1], Commit)
cmt.parents = [data[-1].id]
cmt.tree = tree.id
author = b"John Doe " + marker + b" <john@doe.net>"
cmt.author = cmt.committer = author
tz = parse_timezone(b'-0200')[0]
cmt.commit_time = cmt.author_time = int(time())
cmt.commit_timezone = cmt.author_timezone = tz
cmt.encoding = b"UTF-8"
cmt.message = b"The commit message " + marker
tag = Tag()
tag.tagger = b"john@doe.net"
tag.message = b"Annotated tag"
tag.tag_timezone = parse_timezone(b'-0200')[0]
tag.tag_time = cmt.author_time
tag.object = (Commit, cmt.id)
tag.name = b"v_" + marker + b"_0.1"
return blob, tree, tag, cmt
def create_commits(length=1, marker=b'Default'):
data = []
for i in range(0, length):
_marker = ("%s_%s" % (marker, i)).encode()
blob, tree, tag, cmt = create_commit(data, _marker)
data.extend([blob, tree, tag, cmt])
return data
@skipIf(missing_libs, skipmsg)
class FakeSwiftConnector(object):
def __init__(self, root, conf, store=None):
if store:
self.store = store
else:
self.store = {}
self.conf = conf
self.root = root
self.concurrency = 1
self.chunk_length = 12228
self.cache_length = 1
def put_object(self, name, content):
name = posixpath.join(self.root, name)
if hasattr(content, 'seek'):
content.seek(0)
content = content.read()
self.store[name] = content
def get_object(self, name, range=None):
name = posixpath.join(self.root, name)
if not range:
try:
return BytesIO(self.store[name])
except KeyError:
return None
else:
l, r = range.split('-')
try:
if not l:
r = -int(r)
return self.store[name][r:]
else:
return self.store[name][int(l):int(r)]
except KeyError:
return None
def get_container_objects(self):
return [{'name': k.replace(self.root + '/', '')}
for k in self.store]
def create_root(self):
if self.root in self.store.keys():
pass
else:
self.store[self.root] = ''
def get_object_stat(self, name):
name = posixpath.join(self.root, name)
if not name in self.store:
return None
return {'content-length': len(self.store[name])}
@skipIf(missing_libs, skipmsg)
@skipIfPY3
class TestSwiftObjectStore(TestCase):
def setUp(self):
super(TestSwiftObjectStore, self).setUp()
self.conf = swift.load_conf(file=StringIO(config_file %
def_config_file))
self.fsc = FakeSwiftConnector('fakerepo', conf=self.conf)
def _put_pack(self, sos, commit_amount=1, marker='Default'):
odata = create_commits(length=commit_amount, marker=marker)
data = [(d.type_num, d.as_raw_string()) for d in odata]
f = BytesIO()
build_pack(f, data, store=sos)
sos.add_thin_pack(f.read, None)
return odata
def test_load_packs(self):
store = {'fakerepo/objects/pack/pack-'+'1'*40+'.idx': '',
'fakerepo/objects/pack/pack-'+'1'*40+'.pack': '',
'fakerepo/objects/pack/pack-'+'1'*40+'.info': '',
'fakerepo/objects/pack/pack-'+'2'*40+'.idx': '',
'fakerepo/objects/pack/pack-'+'2'*40+'.pack': '',
'fakerepo/objects/pack/pack-'+'2'*40+'.info': ''}
fsc = FakeSwiftConnector('fakerepo', conf=self.conf, store=store)
sos = swift.SwiftObjectStore(fsc)
packs = sos._load_packs()
self.assertEqual(len(packs), 2)
for pack in packs:
self.assertTrue(isinstance(pack, swift.SwiftPack))
def test_add_thin_pack(self):
sos = swift.SwiftObjectStore(self.fsc)
self._put_pack(sos, 1, 'Default')
self.assertEqual(len(self.fsc.store), 3)
def test_find_missing_objects(self):
commit_amount = 3
sos = swift.SwiftObjectStore(self.fsc)
odata = self._put_pack(sos, commit_amount, 'Default')
head = odata[-1].id
i = sos.iter_shas(sos.find_missing_objects([],
[head, ],
progress=None,
get_tagged=None))
self.assertEqual(len(i), commit_amount * 3)
shas = [d.id for d in odata]
for sha, path in i:
self.assertIn(sha.id, shas)
def test_find_missing_objects_with_tag(self):
commit_amount = 3
sos = swift.SwiftObjectStore(self.fsc)
odata = self._put_pack(sos, commit_amount, 'Default')
head = odata[-1].id
peeled_sha = dict([(sha.object[1], sha.id)
for sha in odata if isinstance(sha, Tag)])
get_tagged = lambda: peeled_sha
i = sos.iter_shas(sos.find_missing_objects([],
[head, ],
progress=None,
get_tagged=get_tagged))
self.assertEqual(len(i), commit_amount * 4)
shas = [d.id for d in odata]
for sha, path in i:
self.assertIn(sha.id, shas)
def test_find_missing_objects_with_common(self):
commit_amount = 3
sos = swift.SwiftObjectStore(self.fsc)
odata = self._put_pack(sos, commit_amount, 'Default')
head = odata[-1].id
have = odata[7].id
i = sos.iter_shas(sos.find_missing_objects([have, ],
[head, ],
progress=None,
get_tagged=None))
self.assertEqual(len(i), 3)
def test_find_missing_objects_multiple_packs(self):
sos = swift.SwiftObjectStore(self.fsc)
commit_amount_a = 3
odataa = self._put_pack(sos, commit_amount_a, 'Default1')
heada = odataa[-1].id
commit_amount_b = 2
odatab = self._put_pack(sos, commit_amount_b, 'Default2')
headb = odatab[-1].id
i = sos.iter_shas(sos.find_missing_objects([],
[heada, headb],
progress=None,
get_tagged=None))
self.assertEqual(len(self.fsc.store), 6)
self.assertEqual(len(i),
commit_amount_a * 3 +
commit_amount_b * 3)
shas = [d.id for d in odataa]
shas.extend([d.id for d in odatab])
for sha, path in i:
self.assertIn(sha.id, shas)
def test_add_thin_pack_ext_ref(self):
sos = swift.SwiftObjectStore(self.fsc)
odata = self._put_pack(sos, 1, 'Default1')
ref_blob_content = odata[0].as_raw_string()
ref_blob_id = odata[0].id
new_blob = Blob.from_string(ref_blob_content.replace('blob',
'yummy blob'))
blob, tree, tag, cmt = \
create_commit([], marker='Default2', blob=new_blob)
data = [(REF_DELTA, (ref_blob_id, blob.as_raw_string())),
(tree.type_num, tree.as_raw_string()),
(cmt.type_num, cmt.as_raw_string()),
(tag.type_num, tag.as_raw_string())]
f = BytesIO()
build_pack(f, data, store=sos)
sos.add_thin_pack(f.read, None)
self.assertEqual(len(self.fsc.store), 6)
@skipIf(missing_libs, skipmsg)
class TestSwiftRepo(TestCase):
def setUp(self):
super(TestSwiftRepo, self).setUp()
self.conf = swift.load_conf(file=StringIO(config_file %
def_config_file))
def test_init(self):
store = {'fakerepo/objects/pack': ''}
with patch('dulwich.contrib.swift.SwiftConnector',
new_callable=create_swift_connector,
store=store):
swift.SwiftRepo('fakerepo', conf=self.conf)
def test_init_no_data(self):
with patch('dulwich.contrib.swift.SwiftConnector',
new_callable=create_swift_connector):
self.assertRaises(Exception, swift.SwiftRepo,
'fakerepo', self.conf)
def test_init_bad_data(self):
store = {'fakerepo/.git/objects/pack': ''}
with patch('dulwich.contrib.swift.SwiftConnector',
new_callable=create_swift_connector,
store=store):
self.assertRaises(Exception, swift.SwiftRepo,
'fakerepo', self.conf)
def test_put_named_file(self):
store = {'fakerepo/objects/pack': ''}
with patch('dulwich.contrib.swift.SwiftConnector',
new_callable=create_swift_connector,
store=store):
repo = swift.SwiftRepo('fakerepo', conf=self.conf)
desc = b'Fake repo'
repo._put_named_file('description', desc)
self.assertEqual(repo.scon.store['fakerepo/description'],
desc)
def test_init_bare(self):
fsc = FakeSwiftConnector('fakeroot', conf=self.conf)
with patch('dulwich.contrib.swift.SwiftConnector',
new_callable=create_swift_connector,
store=fsc.store):
swift.SwiftRepo.init_bare(fsc, conf=self.conf)
self.assertIn('fakeroot/objects/pack', fsc.store)
self.assertIn('fakeroot/info/refs', fsc.store)
self.assertIn('fakeroot/description', fsc.store)
@skipIf(missing_libs, skipmsg)
@skipIfPY3
class TestPackInfoLoadDump(TestCase):
def setUp(self):
super(TestPackInfoLoadDump, self).setUp()
conf = swift.load_conf(file=StringIO(config_file %
def_config_file))
sos = swift.SwiftObjectStore(
FakeSwiftConnector('fakerepo', conf=conf))
commit_amount = 10
self.commits = create_commits(length=commit_amount, marker="m")
data = [(d.type_num, d.as_raw_string()) for d in self.commits]
f = BytesIO()
fi = BytesIO()
expected = build_pack(f, data, store=sos)
entries = [(sha, ofs, checksum) for
ofs, _, _, sha, checksum in expected]
self.pack_data = PackData.from_file(file=f, size=None)
write_pack_index_v2(
fi, entries, self.pack_data.calculate_checksum())
fi.seek(0)
self.pack_index = load_pack_index_file('', fi)
# def test_pack_info_perf(self):
# dump_time = []
# load_time = []
# for i in range(0, 100):
# start = time()
# dumps = swift.pack_info_create(self.pack_data, self.pack_index)
# dump_time.append(time() - start)
# for i in range(0, 100):
# start = time()
# pack_infos = swift.load_pack_info('', file=BytesIO(dumps))
# load_time.append(time() - start)
# print sum(dump_time) / float(len(dump_time))
# print sum(load_time) / float(len(load_time))
def test_pack_info(self):
dumps = swift.pack_info_create(self.pack_data, self.pack_index)
pack_infos = swift.load_pack_info('', file=BytesIO(dumps))
for obj in self.commits:
self.assertIn(obj.id, pack_infos)
@skipIf(missing_libs, skipmsg)
class TestSwiftInfoRefsContainer(TestCase):
def setUp(self):
super(TestSwiftInfoRefsContainer, self).setUp()
content = \
b"22effb216e3a82f97da599b8885a6cadb488b4c5\trefs/heads/master\n" + \
b"cca703b0e1399008b53a1a236d6b4584737649e4\trefs/heads/dev"
self.store = {'fakerepo/info/refs': content}
self.conf = swift.load_conf(file=StringIO(config_file %
def_config_file))
self.fsc = FakeSwiftConnector('fakerepo', conf=self.conf)
self.object_store = {}
def test_init(self):
"""info/refs does not exists"""
irc = swift.SwiftInfoRefsContainer(self.fsc, self.object_store)
self.assertEqual(len(irc._refs), 0)
self.fsc.store = self.store
irc = swift.SwiftInfoRefsContainer(self.fsc, self.object_store)
self.assertIn(b'refs/heads/dev', irc.allkeys())
self.assertIn(b'refs/heads/master', irc.allkeys())
def test_set_if_equals(self):
self.fsc.store = self.store
irc = swift.SwiftInfoRefsContainer(self.fsc, self.object_store)
irc.set_if_equals(b'refs/heads/dev',
b"cca703b0e1399008b53a1a236d6b4584737649e4", b'1'*40)
self.assertEqual(irc[b'refs/heads/dev'], b'1'*40)
def test_remove_if_equals(self):
self.fsc.store = self.store
irc = swift.SwiftInfoRefsContainer(self.fsc, self.object_store)
irc.remove_if_equals(b'refs/heads/dev',
b"cca703b0e1399008b53a1a236d6b4584737649e4")
self.assertNotIn(b'refs/heads/dev', irc.allkeys())
@skipIf(missing_libs, skipmsg)
class TestSwiftConnector(TestCase):
def setUp(self):
super(TestSwiftConnector, self).setUp()
self.conf = swift.load_conf(file=StringIO(config_file %
def_config_file))
with patch('geventhttpclient.HTTPClient.request',
fake_auth_request_v1):
self.conn = swift.SwiftConnector('fakerepo', conf=self.conf)
def test_init_connector(self):
self.assertEqual(self.conn.auth_ver, '1')
self.assertEqual(self.conn.auth_url,
'http://127.0.0.1:8080/auth/v1.0')
self.assertEqual(self.conn.user, 'test:tester')
self.assertEqual(self.conn.password, 'testing')
self.assertEqual(self.conn.root, 'fakerepo')
self.assertEqual(self.conn.storage_url,
'http://127.0.0.1:8080/v1.0/AUTH_fakeuser')
self.assertEqual(self.conn.token, '12' * 10)
self.assertEqual(self.conn.http_timeout, 1)
self.assertEqual(self.conn.http_pool_length, 1)
self.assertEqual(self.conn.concurrency, 1)
self.conf.set('swift', 'auth_ver', '2')
self.conf.set('swift', 'auth_url', 'http://127.0.0.1:8080/auth/v2.0')
with patch('geventhttpclient.HTTPClient.request',
fake_auth_request_v2):
conn = swift.SwiftConnector('fakerepo', conf=self.conf)
self.assertEqual(conn.user, 'tester')
self.assertEqual(conn.tenant, 'test')
self.conf.set('swift', 'auth_ver', '1')
self.conf.set('swift', 'auth_url', 'http://127.0.0.1:8080/auth/v1.0')
with patch('geventhttpclient.HTTPClient.request',
fake_auth_request_v1_error):
self.assertRaises(swift.SwiftException,
lambda: swift.SwiftConnector('fakerepo',
conf=self.conf))
def test_root_exists(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response()):
self.assertEqual(self.conn.test_root_exists(), True)
def test_root_not_exists(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response(status=404)):
self.assertEqual(self.conn.test_root_exists(), None)
def test_create_root(self):
with patch('dulwich.contrib.swift.SwiftConnector.test_root_exists',
lambda *args: None):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response()):
self.assertEqual(self.conn.create_root(), None)
def test_create_root_fails(self):
with patch('dulwich.contrib.swift.SwiftConnector.test_root_exists',
lambda *args: None):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response(status=404)):
self.assertRaises(swift.SwiftException,
lambda: self.conn.create_root())
def test_get_container_objects(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response(content=json_dumps(
(({'name': 'a'}, {'name': 'b'}))))):
self.assertEqual(len(self.conn.get_container_objects()), 2)
def test_get_container_objects_fails(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response(status=404)):
self.assertEqual(self.conn.get_container_objects(), None)
def test_get_object_stat(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response(headers={'content-length': '10'})):
self.assertEqual(self.conn.get_object_stat('a')['content-length'],
'10')
def test_get_object_stat_fails(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response(status=404)):
self.assertEqual(self.conn.get_object_stat('a'), None)
def test_put_object(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args, **kwargs: Response()):
self.assertEqual(self.conn.put_object('a', BytesIO(b'content')),
None)
def test_put_object_fails(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args, **kwargs: Response(status=400)):
self.assertRaises(swift.SwiftException,
lambda: self.conn.put_object(
'a', BytesIO(b'content')))
def test_get_object(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args, **kwargs: Response(content=b'content')):
self.assertEqual(self.conn.get_object('a').read(), b'content')
with patch('geventhttpclient.HTTPClient.request',
lambda *args, **kwargs: Response(content=b'content')):
self.assertEqual(self.conn.get_object('a', range='0-6'), b'content')
def test_get_object_fails(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args, **kwargs: Response(status=404)):
self.assertEqual(self.conn.get_object('a'), None)
def test_del_object(self):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response()):
self.assertEqual(self.conn.del_object('a'), None)
def test_del_root(self):
with patch('dulwich.contrib.swift.SwiftConnector.del_object',
lambda *args: None):
with patch('dulwich.contrib.swift.SwiftConnector.'
'get_container_objects',
lambda *args: ({'name': 'a'}, {'name': 'b'})):
with patch('geventhttpclient.HTTPClient.request',
lambda *args: Response()):
self.assertEqual(self.conn.del_root(), None)
@skipIf(missing_libs, skipmsg)
class SwiftObjectStoreTests(ObjectStoreTests, TestCase):
def setUp(self):
TestCase.setUp(self)
conf = swift.load_conf(file=StringIO(config_file %
def_config_file))
fsc = FakeSwiftConnector('fakerepo', conf=conf)
self.store = swift.SwiftObjectStore(fsc)