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# This module is part of GitDB and is released under

# the New BSD License: https://opensource.org/license/bsd-3-clause/

"""Module with examples from the tutorial section of the docs"""

import os

from gitdb.test.lib import TestBase

from gitdb import IStream

from gitdb.db import LooseObjectDB

from io import BytesIO

class TestExamples(TestBase):

def test_base(self):

ldb = LooseObjectDB(os.path.join(self.gitrepopath, 'objects'))

for sha1 in ldb.sha_iter():

oinfo = ldb.info(sha1)

ostream = ldb.stream(sha1)

assert oinfo[:3] == ostream[:3]

assert len(ostream.read()) == ostream.size

assert ldb.has_object(oinfo.binsha)

# END for each sha in database

# assure we close all files

try:

del(ostream)

del(oinfo)

except UnboundLocalError:

pass

# END ignore exception if there are no loose objects

data = b"my data"

istream = IStream("blob", len(data), BytesIO(data))

# the object does not yet have a sha

assert istream.binsha is None

ldb.store(istream)

# now the sha is set

assert len(istream.binsha) == 20

assert ldb.has_object(istream.binsha)