cpython/Lib/bsddb/test/test_cursor_pget_bug.py

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import unittest
import tempfile
import os, glob
try:
# For Pythons w/distutils pybsddb
from bsddb3 import db
except ImportError:
# For Python 2.3
from bsddb import db
try:
from bsddb3 import test_support
except ImportError:
from test import test_support
#----------------------------------------------------------------------
class pget_bugTestCase(unittest.TestCase):
"""Verify that cursor.pget works properly"""
db_name = 'test-cursor_pget.db'
def setUp(self):
self.homeDir = os.path.join(tempfile.gettempdir(), 'db_home%d'%os.getpid())
try:
os.mkdir(self.homeDir)
except os.error:
pass
self.env = db.DBEnv()
self.env.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL)
self.primary_db = db.DB(self.env)
self.primary_db.open(self.db_name, 'primary', db.DB_BTREE, db.DB_CREATE)
self.secondary_db = db.DB(self.env)
self.secondary_db.set_flags(db.DB_DUP)
self.secondary_db.open(self.db_name, 'secondary', db.DB_BTREE, db.DB_CREATE)
self.primary_db.associate(self.secondary_db, lambda key, data: data)
self.primary_db.put('salad', 'eggs')
self.primary_db.put('spam', 'ham')
self.primary_db.put('omelet', 'eggs')
def tearDown(self):
self.secondary_db.close()
self.primary_db.close()
self.env.close()
del self.secondary_db
del self.primary_db
del self.env
test_support.rmtree(self.homeDir)
def test_pget(self):
cursor = self.secondary_db.cursor()
self.assertEquals(('eggs', 'salad', 'eggs'), cursor.pget(key='eggs', flags=db.DB_SET))
self.assertEquals(('eggs', 'omelet', 'eggs'), cursor.pget(db.DB_NEXT_DUP))
self.assertEquals(None, cursor.pget(db.DB_NEXT_DUP))
self.assertEquals(('ham', 'spam', 'ham'), cursor.pget('ham', 'spam', flags=db.DB_SET))
self.assertEquals(None, cursor.pget(db.DB_NEXT_DUP))
cursor.close()
def test_suite():
return unittest.makeSuite(pget_bugTestCase)
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')