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# test_base.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
from lib import (
TestBase,
with_rw_repo,
DummyStream,
DeriveTest,
with_rw_and_rw_remote_repo
)
import git.objects.base as base
from git.objects import (
Blob,
Tree,
Commit,
TagObject
)
import git.refs as refs
from itertools import chain
from git.objects.util import get_object_type_by_name
from git.util import hex_to_bin
import tempfile
##################
from git.util import (
NULL_BIN_SHA
)
from git.typ import str_blob_type
from git.base import (
OInfo,
OPackInfo,
ODeltaPackInfo,
OStream,
OPackStream,
ODeltaPackStream,
IStream,
)
import os
class TestBase(TestBase):
type_tuples = ( ("blob", "8741fc1d09d61f02ffd8cded15ff603eff1ec070", "blob.py"),
("tree", "3a6a5e3eeed3723c09f1ef0399f81ed6b8d82e79", "directory"),
("commit", "4251bd59fb8e11e40c40548cba38180a9536118c", None),
("tag", "e56a60e8e9cd333cfba0140a77cd12b0d9398f10", None) )
def test_base_object(self):
# test interface of base object classes
types = (Blob, Tree, Commit, TagObject)
assert len(types) == len(self.type_tuples)
s = set()
num_objs = 0
num_index_objs = 0
for obj_type, (typename, hexsha, path) in zip(types, self.type_tuples):
binsha = hex_to_bin(hexsha)
item = None
if path is None:
item = obj_type(self.rorepo,binsha)
else:
item = obj_type(self.rorepo,binsha, 0, path)
# END handle index objects
num_objs += 1
assert item.hexsha == hexsha
assert item.type == typename
assert item.size
assert item == item
assert not item != item
assert str(item) == item.hexsha
assert repr(item)
s.add(item)
if isinstance(item, base.IndexObject):
num_index_objs += 1
if hasattr(item,'path'): # never runs here
assert not item.path.startswith("/") # must be relative
assert isinstance(item.mode, int)
# END index object check
# read from stream
data_stream = item.data_stream
data = data_stream.read()
assert data
tmpfile = os.tmpfile()
assert item == item.stream_data(tmpfile)
tmpfile.seek(0)
assert tmpfile.read() == data
# END stream to file directly
# END for each object type to create
# each has a unique sha
assert len(s) == num_objs
assert len(s|s) == num_objs
assert num_index_objs == 2
def test_get_object_type_by_name(self):
for tname in base.Object.TYPES:
assert base.Object in get_object_type_by_name(tname).mro()
# END for each known type
self.failUnlessRaises(ValueError, get_object_type_by_name, "doesntexist")
def test_object_resolution(self):
# objects must be resolved to shas so they compare equal
assert self.rorepo.head.reference.object == self.rorepo.active_branch.object
@with_rw_repo('HEAD', bare=True)
def test_with_bare_rw_repo(self, bare_rw_repo):
assert bare_rw_repo.config_reader("repository").getboolean("core", "bare")
assert os.path.isfile(os.path.join(bare_rw_repo.git_dir,'HEAD'))
@with_rw_repo('0.1.6')
def test_with_rw_repo(self, rw_repo):
assert not rw_repo.config_reader("repository").getboolean("core", "bare")
assert os.path.isdir(os.path.join(rw_repo.working_tree_dir,'lib'))
@with_rw_and_rw_remote_repo('0.1.6')
def test_with_rw_remote_and_rw_repo(self, rw_repo, rw_remote_repo):
assert not rw_repo.config_reader("repository").getboolean("core", "bare")
assert rw_remote_repo.config_reader("repository").getboolean("core", "bare")
assert os.path.isdir(os.path.join(rw_repo.working_tree_dir,'lib'))
class TestBaseTypes(TestBase):
def test_streams(self):
# test info
sha = NULL_BIN_SHA
s = 20
blob_id = 3
info = OInfo(sha, str_blob_type, s)
assert info.binsha == sha
assert info.type == str_blob_type
assert info.type_id == blob_id
assert info.size == s
# test pack info
# provides type_id
pinfo = OPackInfo(0, blob_id, s)
assert pinfo.type == str_blob_type
assert pinfo.type_id == blob_id
assert pinfo.pack_offset == 0
dpinfo = ODeltaPackInfo(0, blob_id, s, sha)
assert dpinfo.type == str_blob_type
assert dpinfo.type_id == blob_id
assert dpinfo.delta_info == sha
assert dpinfo.pack_offset == 0
# test ostream
stream = DummyStream()
ostream = OStream(*(info + (stream, )))
assert ostream.stream is stream
ostream.read(15)
stream._assert()
assert stream.bytes == 15
ostream.read(20)
assert stream.bytes == 20
# test packstream
postream = OPackStream(*(pinfo + (stream, )))
assert postream.stream is stream
postream.read(10)
stream._assert()
assert stream.bytes == 10
# test deltapackstream
dpostream = ODeltaPackStream(*(dpinfo + (stream, )))
dpostream.stream is stream
dpostream.read(5)
stream._assert()
assert stream.bytes == 5
# derive with own args
DeriveTest(sha, str_blob_type, s, stream, 'mine',myarg = 3)._assert()
# test istream
istream = IStream(str_blob_type, s, stream)
assert istream.binsha == None
istream.binsha = sha
assert istream.binsha == sha
assert len(istream.binsha) == 20
assert len(istream.hexsha) == 40
assert istream.size == s
istream.size = s * 2
istream.size == s * 2
assert istream.type == str_blob_type
istream.type = "something"
assert istream.type == "something"
assert istream.stream is stream
istream.stream = None
assert istream.stream is None
assert istream.error is None
istream.error = Exception()
assert isinstance(istream.error, Exception)
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