--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/sqlite3/test/transactions.py Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,185 @@
+#-*- coding: ISO-8859-1 -*-
+# pysqlite2/test/transactions.py: tests transactions
+#
+# Copyright (C) 2005-2007 Gerhard Häring <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.
+
+import sys
+import os, unittest
+import sqlite3 as sqlite
+
+def get_db_path():
+ return "sqlite_testdb"
+
+class TransactionTests(unittest.TestCase):
+ def setUp(self):
+ try:
+ os.remove(get_db_path())
+ except OSError:
+ pass
+
+ self.con1 = sqlite.connect(get_db_path(), timeout=0.1)
+ self.cur1 = self.con1.cursor()
+
+ self.con2 = sqlite.connect(get_db_path(), timeout=0.1)
+ self.cur2 = self.con2.cursor()
+
+ def tearDown(self):
+ self.cur1.close()
+ self.con1.close()
+
+ self.cur2.close()
+ self.con2.close()
+
+ try:
+ os.unlink(get_db_path())
+ except OSError:
+ pass
+
+ def CheckDMLdoesAutoCommitBefore(self):
+ self.cur1.execute("create table test(i)")
+ self.cur1.execute("insert into test(i) values (5)")
+ self.cur1.execute("create table test2(j)")
+ self.cur2.execute("select i from test")
+ res = self.cur2.fetchall()
+ self.failUnlessEqual(len(res), 1)
+
+ def CheckInsertStartsTransaction(self):
+ self.cur1.execute("create table test(i)")
+ self.cur1.execute("insert into test(i) values (5)")
+ self.cur2.execute("select i from test")
+ res = self.cur2.fetchall()
+ self.failUnlessEqual(len(res), 0)
+
+ def CheckUpdateStartsTransaction(self):
+ self.cur1.execute("create table test(i)")
+ self.cur1.execute("insert into test(i) values (5)")
+ self.con1.commit()
+ self.cur1.execute("update test set i=6")
+ self.cur2.execute("select i from test")
+ res = self.cur2.fetchone()[0]
+ self.failUnlessEqual(res, 5)
+
+ def CheckDeleteStartsTransaction(self):
+ self.cur1.execute("create table test(i)")
+ self.cur1.execute("insert into test(i) values (5)")
+ self.con1.commit()
+ self.cur1.execute("delete from test")
+ self.cur2.execute("select i from test")
+ res = self.cur2.fetchall()
+ self.failUnlessEqual(len(res), 1)
+
+ def CheckReplaceStartsTransaction(self):
+ self.cur1.execute("create table test(i)")
+ self.cur1.execute("insert into test(i) values (5)")
+ self.con1.commit()
+ self.cur1.execute("replace into test(i) values (6)")
+ self.cur2.execute("select i from test")
+ res = self.cur2.fetchall()
+ self.failUnlessEqual(len(res), 1)
+ self.failUnlessEqual(res[0][0], 5)
+
+ def CheckToggleAutoCommit(self):
+ self.cur1.execute("create table test(i)")
+ self.cur1.execute("insert into test(i) values (5)")
+ self.con1.isolation_level = None
+ self.failUnlessEqual(self.con1.isolation_level, None)
+ self.cur2.execute("select i from test")
+ res = self.cur2.fetchall()
+ self.failUnlessEqual(len(res), 1)
+
+ self.con1.isolation_level = "DEFERRED"
+ self.failUnlessEqual(self.con1.isolation_level , "DEFERRED")
+ self.cur1.execute("insert into test(i) values (5)")
+ self.cur2.execute("select i from test")
+ res = self.cur2.fetchall()
+ self.failUnlessEqual(len(res), 1)
+
+ def CheckRaiseTimeout(self):
+ if sqlite.sqlite_version_info < (3, 2, 2):
+ # This will fail (hang) on earlier versions of sqlite.
+ # Determine exact version it was fixed. 3.2.1 hangs.
+ return
+ self.cur1.execute("create table test(i)")
+ self.cur1.execute("insert into test(i) values (5)")
+ try:
+ self.cur2.execute("insert into test(i) values (5)")
+ self.fail("should have raised an OperationalError")
+ except sqlite.OperationalError:
+ pass
+ except:
+ self.fail("should have raised an OperationalError")
+
+ def CheckLocking(self):
+ """
+ This tests the improved concurrency with pysqlite 2.3.4. You needed
+ to roll back con2 before you could commit con1.
+ """
+ if sqlite.sqlite_version_info < (3, 2, 2):
+ # This will fail (hang) on earlier versions of sqlite.
+ # Determine exact version it was fixed. 3.2.1 hangs.
+ return
+ self.cur1.execute("create table test(i)")
+ self.cur1.execute("insert into test(i) values (5)")
+ try:
+ self.cur2.execute("insert into test(i) values (5)")
+ self.fail("should have raised an OperationalError")
+ except sqlite.OperationalError:
+ pass
+ except:
+ self.fail("should have raised an OperationalError")
+ # NO self.con2.rollback() HERE!!!
+ self.con1.commit()
+
+class SpecialCommandTests(unittest.TestCase):
+ def setUp(self):
+ self.con = sqlite.connect(":memory:")
+ self.cur = self.con.cursor()
+
+ def CheckVacuum(self):
+ self.cur.execute("create table test(i)")
+ self.cur.execute("insert into test(i) values (5)")
+ self.cur.execute("vacuum")
+
+ def CheckDropTable(self):
+ self.cur.execute("create table test(i)")
+ self.cur.execute("insert into test(i) values (5)")
+ self.cur.execute("drop table test")
+
+ def CheckPragma(self):
+ self.cur.execute("create table test(i)")
+ self.cur.execute("insert into test(i) values (5)")
+ self.cur.execute("pragma count_changes=1")
+
+ def tearDown(self):
+ self.cur.close()
+ self.con.close()
+
+def suite():
+ default_suite = unittest.makeSuite(TransactionTests, "Check")
+ special_command_suite = unittest.makeSuite(SpecialCommandTests, "Check")
+ return unittest.TestSuite((default_suite, special_command_suite))
+
+def test():
+ runner = unittest.TextTestRunner()
+ runner.run(suite())
+
+if __name__ == "__main__":
+ test()