import os import pickle try: import cPickle except ImportError: cPickle = None import unittest import tempfile try: # For Pythons w/distutils pybsddb from bsddb3 import db except ImportError, e: # For Python 2.3 from bsddb import db try: from bsddb3 import test_support except ImportError: from test import test_support #---------------------------------------------------------------------- class pickleTestCase(unittest.TestCase): """Verify that DBError can be pickled and unpickled""" db_home = 'db_home' db_name = 'test-dbobj.db' def setUp(self): homeDir = os.path.join(tempfile.gettempdir(), 'db_home%d'%os.getpid()) self.homeDir = homeDir try: os.mkdir(homeDir) except os.error: pass 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') assert 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')