cpython/Lib/bsddb/test/test_dbobj.py

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import os, string
import unittest
from test_all import db, dbobj, test_support, get_new_environment_path, \
get_new_database_path
#----------------------------------------------------------------------
class dbobjTestCase(unittest.TestCase):
"""Verify that dbobj.DB and dbobj.DBEnv work properly"""
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 test01_both(self):
class TestDBEnv(dbobj.DBEnv): pass
class TestDB(dbobj.DB):
def put(self, key, *args, **kwargs):
key = key.upper()
# call our parent classes put method with an upper case key
return apply(dbobj.DB.put, (self, key) + args, kwargs)
self.env = TestDBEnv()
self.env.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL)
self.db = TestDB(self.env)
self.db.open(self.db_name, db.DB_HASH, db.DB_CREATE)
self.db.put('spam', 'eggs')
self.assertEqual(self.db.get('spam'), None,
"overridden dbobj.DB.put() method failed [1]")
self.assertEqual(self.db.get('SPAM'), 'eggs',
"overridden dbobj.DB.put() method failed [2]")
self.db.close()
self.env.close()
def test02_dbobj_dict_interface(self):
self.env = dbobj.DBEnv()
self.env.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL)
self.db = dbobj.DB(self.env)
self.db.open(self.db_name+'02', db.DB_HASH, db.DB_CREATE)
# __setitem__
self.db['spam'] = 'eggs'
# __len__
self.assertEqual(len(self.db), 1)
# __getitem__
self.assertEqual(self.db['spam'], 'eggs')
# __del__
del self.db['spam']
self.assertEqual(self.db.get('spam'), None, "dbobj __del__ failed")
self.db.close()
self.env.close()
def test03_dbobj_type_before_open(self):
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# Ensure this doesn't cause a segfault.
self.assertRaises(db.DBInvalidArgError, db.DB().type)
#----------------------------------------------------------------------
def test_suite():
return unittest.makeSuite(dbobjTestCase)
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')