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"""Test for object db"""
from test.testlib import *
from git.odb.db import *
from git import Blob
from git.errors import BadObject
from cStringIO import StringIO
import os
class TestDB(TestBase):
"""Test the different db class implementations"""
# data
two_lines = "1234\nhello world"
all_data = (two_lines, )
def _assert_object_writing(self, db):
"""General tests to verify object writing, compatible to iObjectDBW
:note: requires write access to the database"""
# start in dry-run mode
for dry_run in range(1, -1, -1):
for data in self.all_data:
for hex_sha in range(2):
sha = db.to_object(Blob.type, len(data), StringIO(data), dry_run, hex_sha)
assert db.has_object(sha) != dry_run
assert len(sha) == 20 + hex_sha * 20
# verify data - the slow way, we want to run code
if not dry_run:
type, size = db.object_info(sha)
assert Blob.type == type
assert size == len(data)
type, size, stream = db.object(sha)
assert stream.read() == data
else:
self.failUnlessRaises(BadObject, db.object_info, sha)
self.failUnlessRaises(BadObject, db.object, sha)
# END for each sha type
# END for each data set
# END for each dry_run mode
@with_bare_rw_repo
def test_writing(self, rwrepo):
ldb = LooseObjectDB(os.path.join(rwrepo.git_dir, 'objects'))
# write data
self._assert_object_writing(ldb)
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