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# Copyright (C) 2010, 2011 Sebastian Thiel (byronimo@gmail.com) and contributors
#
# This module is part of GitDB and is released under
# the New BSD License: http://www.opensource.org/licenses/bsd-license.php
"""Test for object db"""
from gitdb.test.lib import (
TestBase,
DummyStream,
DeriveTest,
)
from gitdb import (
OInfo,
OPackInfo,
ODeltaPackInfo,
OStream,
OPackStream,
ODeltaPackStream,
IStream
)
from gitdb.util import (
NULL_BIN_SHA
)
from gitdb.typ import (
str_blob_type
)
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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