import os
import pickle
import sys
if sys.version_info[0] < 3 :
try:
import cPickle
except ImportError:
cPickle = None
else :
cPickle = None
import unittest
from test_all import db,test_support,get_new_environment_path,get_new_database_path
#----------------------------------------------------------------------
class pickleTestCase(unittest.TestCase):
"""Verify that DBError can be pickled and unpickled"""
db_name = 'test-dbobj.db'
def setUp(self):
self.homeDir = get_new_environment_path()
def tearDown(self):
if hasattr(self, 'db'):
del self.db
if hasattr(self, 'env'):
del self.env
test_support.rmtree(self.homeDir)
def _base_test_pickle_DBError(self, pickle):
self.env = db.DBEnv()
self.env.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL)
self.db = db.DB(self.env)
self.db.open(self.db_name, db.DB_HASH, db.DB_CREATE)
self.db.put('spam', 'eggs')
self.assertEqual(self.db['spam'], 'eggs')
try:
self.db.put('spam', 'ham', flags=db.DB_NOOVERWRITE)
except db.DBError, egg:
pickledEgg = pickle.dumps(egg)
#print repr(pickledEgg)
rottenEgg = pickle.loads(pickledEgg)
if rottenEgg.args != egg.args or type(rottenEgg) != type(egg):
raise Exception, (rottenEgg, '!=', egg)
else:
raise Exception, "where's my DBError exception?!?"
self.db.close()
self.env.close()
def test01_pickle_DBError(self):
self._base_test_pickle_DBError(pickle=pickle)
if cPickle:
def test02_cPickle_DBError(self):
self._base_test_pickle_DBError(pickle=cPickle)
#----------------------------------------------------------------------
def test_suite():
return unittest.makeSuite(pickleTestCase)
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')
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