#-*- coding: ISO-8859-1 -*-
# pysqlite2/test/regression.py: pysqlite regression tests
#
# Copyright (C) 2007 Gerhard H�ring <gh@ghaering.de>
#
# This file is part of pysqlite.
#
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software. If you use this software
# in a product, an acknowledgment in the product documentation would be
# appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
from __future__ import with_statement
import unittest
import sqlite3 as sqlite
did_rollback = False
class MyConnection(sqlite.Connection):
def rollback(self):
global did_rollback
did_rollback = True
sqlite.Connection.rollback(self)
class ContextTests(unittest.TestCase):
def setUp(self):
global did_rollback
self.con = sqlite.connect(":memory:", factory=MyConnection)
self.con.execute("create table test(c unique)")
did_rollback = False
def tearDown(self):
self.con.close()
def CheckContextManager(self):
"""Can the connection be used as a context manager at all?"""
with self.con:
pass
def CheckContextManagerCommit(self):
"""Is a commit called in the context manager?"""
with self.con:
self.con.execute("insert into test(c) values ('foo')")
self.con.rollback()
count = self.con.execute("select count(*) from test").fetchone()[0]
self.assertEqual(count, 1)
def CheckContextManagerRollback(self):
"""Is a rollback called in the context manager?"""
global did_rollback
self.assertEqual(did_rollback, False)
try:
with self.con:
self.con.execute("insert into test(c) values (4)")
self.con.execute("insert into test(c) values (4)")
except sqlite.IntegrityError:
pass
self.assertEqual(did_rollback, True)
def suite():
ctx_suite = unittest.makeSuite(ContextTests, "Check")
return unittest.TestSuite((ctx_suite,))
def test():
runner = unittest.TextTestRunner()
runner.run(suite())
if __name__ == "__main__":
test()
