--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/sqlite3/test/hooks.py Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,188 @@
+#-*- coding: ISO-8859-1 -*-
+# pysqlite2/test/hooks.py: tests for various SQLite-specific hooks
+#
+# Copyright (C) 2006-2007 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 os, unittest
+import sqlite3 as sqlite
+
+class CollationTests(unittest.TestCase):
+ def setUp(self):
+ pass
+
+ def tearDown(self):
+ pass
+
+ def CheckCreateCollationNotCallable(self):
+ con = sqlite.connect(":memory:")
+ try:
+ con.create_collation("X", 42)
+ self.fail("should have raised a TypeError")
+ except TypeError, e:
+ self.failUnlessEqual(e.args[0], "parameter must be callable")
+
+ def CheckCreateCollationNotAscii(self):
+ con = sqlite.connect(":memory:")
+ try:
+ con.create_collation("collä", cmp)
+ self.fail("should have raised a ProgrammingError")
+ except sqlite.ProgrammingError, e:
+ pass
+
+ def CheckCollationIsUsed(self):
+ if sqlite.version_info < (3, 2, 1): # old SQLite versions crash on this test
+ return
+ def mycoll(x, y):
+ # reverse order
+ return -cmp(x, y)
+
+ con = sqlite.connect(":memory:")
+ con.create_collation("mycoll", mycoll)
+ sql = """
+ select x from (
+ select 'a' as x
+ union
+ select 'b' as x
+ union
+ select 'c' as x
+ ) order by x collate mycoll
+ """
+ result = con.execute(sql).fetchall()
+ if result[0][0] != "c" or result[1][0] != "b" or result[2][0] != "a":
+ self.fail("the expected order was not returned")
+
+ con.create_collation("mycoll", None)
+ try:
+ result = con.execute(sql).fetchall()
+ self.fail("should have raised an OperationalError")
+ except sqlite.OperationalError, e:
+ self.failUnlessEqual(e.args[0].lower(), "no such collation sequence: mycoll")
+
+ def CheckCollationRegisterTwice(self):
+ """
+ Register two different collation functions under the same name.
+ Verify that the last one is actually used.
+ """
+ con = sqlite.connect(":memory:")
+ con.create_collation("mycoll", cmp)
+ con.create_collation("mycoll", lambda x, y: -cmp(x, y))
+ result = con.execute("""
+ select x from (select 'a' as x union select 'b' as x) order by x collate mycoll
+ """).fetchall()
+ if result[0][0] != 'b' or result[1][0] != 'a':
+ self.fail("wrong collation function is used")
+
+ def CheckDeregisterCollation(self):
+ """
+ Register a collation, then deregister it. Make sure an error is raised if we try
+ to use it.
+ """
+ con = sqlite.connect(":memory:")
+ con.create_collation("mycoll", cmp)
+ con.create_collation("mycoll", None)
+ try:
+ con.execute("select 'a' as x union select 'b' as x order by x collate mycoll")
+ self.fail("should have raised an OperationalError")
+ except sqlite.OperationalError, e:
+ if not e.args[0].startswith("no such collation sequence"):
+ self.fail("wrong OperationalError raised")
+
+class ProgressTests(unittest.TestCase):
+ def CheckProgressHandlerUsed(self):
+ """
+ Test that the progress handler is invoked once it is set.
+ """
+ con = sqlite.connect(":memory:")
+ progress_calls = []
+ def progress():
+ progress_calls.append(None)
+ return 0
+ con.set_progress_handler(progress, 1)
+ con.execute("""
+ create table foo(a, b)
+ """)
+ self.failUnless(progress_calls)
+
+
+ def CheckOpcodeCount(self):
+ """
+ Test that the opcode argument is respected.
+ """
+ con = sqlite.connect(":memory:")
+ progress_calls = []
+ def progress():
+ progress_calls.append(None)
+ return 0
+ con.set_progress_handler(progress, 1)
+ curs = con.cursor()
+ curs.execute("""
+ create table foo (a, b)
+ """)
+ first_count = len(progress_calls)
+ progress_calls = []
+ con.set_progress_handler(progress, 2)
+ curs.execute("""
+ create table bar (a, b)
+ """)
+ second_count = len(progress_calls)
+ self.failUnless(first_count > second_count)
+
+ def CheckCancelOperation(self):
+ """
+ Test that returning a non-zero value stops the operation in progress.
+ """
+ con = sqlite.connect(":memory:")
+ progress_calls = []
+ def progress():
+ progress_calls.append(None)
+ return 1
+ con.set_progress_handler(progress, 1)
+ curs = con.cursor()
+ self.assertRaises(
+ sqlite.OperationalError,
+ curs.execute,
+ "create table bar (a, b)")
+
+ def CheckClearHandler(self):
+ """
+ Test that setting the progress handler to None clears the previously set handler.
+ """
+ con = sqlite.connect(":memory:")
+ action = 0
+ def progress():
+ action = 1
+ return 0
+ con.set_progress_handler(progress, 1)
+ con.set_progress_handler(None, 1)
+ con.execute("select 1 union select 2 union select 3").fetchall()
+ self.failUnlessEqual(action, 0, "progress handler was not cleared")
+
+def suite():
+ collation_suite = unittest.makeSuite(CollationTests, "Check")
+ progress_suite = unittest.makeSuite(ProgressTests, "Check")
+ return unittest.TestSuite((collation_suite, progress_suite))
+
+def test():
+ runner = unittest.TextTestRunner()
+ runner.run(suite())
+
+if __name__ == "__main__":
+ test()