/Lib/bsddb/test/test_pickle.py
http://unladen-swallow.googlecode.com/ · Python · 62 lines · 45 code · 13 blank · 4 comment · 11 complexity · c3f3bbd05d80ccb1f28a385c06c5f5e1 MD5 · raw file
- import os
- import pickle
- try:
- import cPickle
- except ImportError:
- 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')