cpython/Lib/bsddb/test/test_misc.py

86 lines
2.3 KiB
Python

"""Miscellaneous bsddb module test cases
"""
import os
import sys
import unittest
import tempfile
try:
# For Pythons w/distutils pybsddb
from bsddb3 import db, dbshelve, hashopen
except ImportError:
# For Python 2.3
from bsddb import db, dbshelve, hashopen
#----------------------------------------------------------------------
class MiscTestCase(unittest.TestCase):
def setUp(self):
self.filename = self.__class__.__name__ + '.db'
homeDir = os.path.join(tempfile.gettempdir(), 'db_home')
self.homeDir = homeDir
try:
os.mkdir(homeDir)
except OSError:
pass
def tearDown(self):
try:
os.remove(self.filename)
except OSError:
pass
import glob
files = glob.glob(os.path.join(self.homeDir, '*'))
for file in files:
os.remove(file)
def test01_badpointer(self):
dbs = dbshelve.open(self.filename)
dbs.close()
self.assertRaises(db.DBError, dbs.get, "foo")
def test02_db_home(self):
env = db.DBEnv()
# check for crash fixed when db_home is used before open()
assert env.db_home is None
env.open(self.homeDir, db.DB_CREATE)
assert self.homeDir == env.db_home
def test03_repr_closed_db(self):
db = hashopen(self.filename)
db.close()
rp = repr(db)
self.assertEquals(rp, "{}")
# http://sourceforge.net/tracker/index.php?func=detail&aid=1708868&group_id=13900&atid=313900
#
# See the bug report for details.
#
# The problem was that make_key_dbt() was not allocating a copy of
# string keys but FREE_DBT() was always being told to free it when the
# database was opened with DB_THREAD.
def test04_double_free_make_key_dbt(self):
try:
db1 = db.DB()
db1.open(self.filename, None, db.DB_BTREE,
db.DB_CREATE | db.DB_THREAD)
curs = db1.cursor()
t = curs.get("/foo", db.DB_SET)
# double free happened during exit from DBC_get
finally:
db1.close()
os.unlink(self.filename)
#----------------------------------------------------------------------
def test_suite():
return unittest.makeSuite(MiscTestCase)
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')