1057 lines
38 KiB
Python
1057 lines
38 KiB
Python
#-*- coding: iso-8859-1 -*-
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# pysqlite2/test/dbapi.py: tests for DB-API compliance
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#
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# Copyright (C) 2004-2010 Gerhard Häring <gh@ghaering.de>
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#
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# This file is part of pysqlite.
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#
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# This software is provided 'as-is', without any express or implied
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# warranty. In no event will the authors be held liable for any damages
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# arising from the use of this software.
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#
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# Permission is granted to anyone to use this software for any purpose,
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# including commercial applications, and to alter it and redistribute it
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# freely, subject to the following restrictions:
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#
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# 1. The origin of this software must not be misrepresented; you must not
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# claim that you wrote the original software. If you use this software
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# in a product, an acknowledgment in the product documentation would be
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# appreciated but is not required.
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# 2. Altered source versions must be plainly marked as such, and must not be
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# misrepresented as being the original software.
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# 3. This notice may not be removed or altered from any source distribution.
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import subprocess
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import threading
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import unittest
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import sqlite3 as sqlite
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import sys
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from test.support import SHORT_TIMEOUT, TESTFN, unlink
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class ModuleTests(unittest.TestCase):
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def CheckAPILevel(self):
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self.assertEqual(sqlite.apilevel, "2.0",
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"apilevel is %s, should be 2.0" % sqlite.apilevel)
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def CheckThreadSafety(self):
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self.assertEqual(sqlite.threadsafety, 1,
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"threadsafety is %d, should be 1" % sqlite.threadsafety)
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def CheckParamStyle(self):
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self.assertEqual(sqlite.paramstyle, "qmark",
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"paramstyle is '%s', should be 'qmark'" %
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sqlite.paramstyle)
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def CheckWarning(self):
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self.assertTrue(issubclass(sqlite.Warning, Exception),
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"Warning is not a subclass of Exception")
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def CheckError(self):
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self.assertTrue(issubclass(sqlite.Error, Exception),
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"Error is not a subclass of Exception")
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def CheckInterfaceError(self):
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self.assertTrue(issubclass(sqlite.InterfaceError, sqlite.Error),
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"InterfaceError is not a subclass of Error")
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def CheckDatabaseError(self):
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self.assertTrue(issubclass(sqlite.DatabaseError, sqlite.Error),
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"DatabaseError is not a subclass of Error")
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def CheckDataError(self):
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self.assertTrue(issubclass(sqlite.DataError, sqlite.DatabaseError),
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"DataError is not a subclass of DatabaseError")
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def CheckOperationalError(self):
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self.assertTrue(issubclass(sqlite.OperationalError, sqlite.DatabaseError),
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"OperationalError is not a subclass of DatabaseError")
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def CheckIntegrityError(self):
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self.assertTrue(issubclass(sqlite.IntegrityError, sqlite.DatabaseError),
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"IntegrityError is not a subclass of DatabaseError")
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def CheckInternalError(self):
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self.assertTrue(issubclass(sqlite.InternalError, sqlite.DatabaseError),
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"InternalError is not a subclass of DatabaseError")
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def CheckProgrammingError(self):
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self.assertTrue(issubclass(sqlite.ProgrammingError, sqlite.DatabaseError),
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"ProgrammingError is not a subclass of DatabaseError")
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def CheckNotSupportedError(self):
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self.assertTrue(issubclass(sqlite.NotSupportedError,
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sqlite.DatabaseError),
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"NotSupportedError is not a subclass of DatabaseError")
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class ConnectionTests(unittest.TestCase):
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def setUp(self):
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self.cx = sqlite.connect(":memory:")
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cu = self.cx.cursor()
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cu.execute("create table test(id integer primary key, name text)")
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cu.execute("insert into test(name) values (?)", ("foo",))
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def tearDown(self):
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self.cx.close()
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def CheckCommit(self):
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self.cx.commit()
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def CheckCommitAfterNoChanges(self):
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"""
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A commit should also work when no changes were made to the database.
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"""
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self.cx.commit()
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self.cx.commit()
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def CheckRollback(self):
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self.cx.rollback()
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def CheckRollbackAfterNoChanges(self):
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"""
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A rollback should also work when no changes were made to the database.
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"""
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self.cx.rollback()
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self.cx.rollback()
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def CheckCursor(self):
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cu = self.cx.cursor()
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def CheckFailedOpen(self):
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YOU_CANNOT_OPEN_THIS = "/foo/bar/bla/23534/mydb.db"
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with self.assertRaises(sqlite.OperationalError):
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con = sqlite.connect(YOU_CANNOT_OPEN_THIS)
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def CheckClose(self):
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self.cx.close()
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def CheckExceptions(self):
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# Optional DB-API extension.
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self.assertEqual(self.cx.Warning, sqlite.Warning)
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self.assertEqual(self.cx.Error, sqlite.Error)
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self.assertEqual(self.cx.InterfaceError, sqlite.InterfaceError)
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self.assertEqual(self.cx.DatabaseError, sqlite.DatabaseError)
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self.assertEqual(self.cx.DataError, sqlite.DataError)
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self.assertEqual(self.cx.OperationalError, sqlite.OperationalError)
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self.assertEqual(self.cx.IntegrityError, sqlite.IntegrityError)
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self.assertEqual(self.cx.InternalError, sqlite.InternalError)
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self.assertEqual(self.cx.ProgrammingError, sqlite.ProgrammingError)
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self.assertEqual(self.cx.NotSupportedError, sqlite.NotSupportedError)
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def CheckInTransaction(self):
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# Can't use db from setUp because we want to test initial state.
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cx = sqlite.connect(":memory:")
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cu = cx.cursor()
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self.assertEqual(cx.in_transaction, False)
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cu.execute("create table transactiontest(id integer primary key, name text)")
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self.assertEqual(cx.in_transaction, False)
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cu.execute("insert into transactiontest(name) values (?)", ("foo",))
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self.assertEqual(cx.in_transaction, True)
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cu.execute("select name from transactiontest where name=?", ["foo"])
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row = cu.fetchone()
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self.assertEqual(cx.in_transaction, True)
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cx.commit()
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self.assertEqual(cx.in_transaction, False)
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cu.execute("select name from transactiontest where name=?", ["foo"])
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row = cu.fetchone()
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self.assertEqual(cx.in_transaction, False)
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def CheckInTransactionRO(self):
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with self.assertRaises(AttributeError):
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self.cx.in_transaction = True
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def CheckOpenWithPathLikeObject(self):
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""" Checks that we can successfully connect to a database using an object that
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is PathLike, i.e. has __fspath__(). """
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self.addCleanup(unlink, TESTFN)
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class Path:
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def __fspath__(self):
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return TESTFN
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path = Path()
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with sqlite.connect(path) as cx:
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cx.execute('create table test(id integer)')
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def CheckOpenUri(self):
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if sqlite.sqlite_version_info < (3, 7, 7):
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with self.assertRaises(sqlite.NotSupportedError):
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sqlite.connect(':memory:', uri=True)
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return
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self.addCleanup(unlink, TESTFN)
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with sqlite.connect(TESTFN) as cx:
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cx.execute('create table test(id integer)')
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with sqlite.connect('file:' + TESTFN, uri=True) as cx:
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cx.execute('insert into test(id) values(0)')
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with sqlite.connect('file:' + TESTFN + '?mode=ro', uri=True) as cx:
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with self.assertRaises(sqlite.OperationalError):
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cx.execute('insert into test(id) values(1)')
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@unittest.skipIf(sqlite.sqlite_version_info >= (3, 3, 1),
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'needs sqlite versions older than 3.3.1')
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def CheckSameThreadErrorOnOldVersion(self):
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with self.assertRaises(sqlite.NotSupportedError) as cm:
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sqlite.connect(':memory:', check_same_thread=False)
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self.assertEqual(str(cm.exception), 'shared connections not available')
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class UninitialisedConnectionTests(unittest.TestCase):
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def setUp(self):
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self.cx = sqlite.Connection.__new__(sqlite.Connection)
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def test_uninit_operations(self):
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funcs = (
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lambda: self.cx.isolation_level,
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lambda: self.cx.total_changes,
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lambda: self.cx.in_transaction,
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lambda: self.cx.iterdump(),
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lambda: self.cx.cursor(),
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lambda: self.cx.close(),
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)
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for func in funcs:
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with self.subTest(func=func):
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self.assertRaisesRegex(sqlite.ProgrammingError,
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"Base Connection.__init__ not called",
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func)
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class CursorTests(unittest.TestCase):
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def setUp(self):
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self.cx = sqlite.connect(":memory:")
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self.cu = self.cx.cursor()
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self.cu.execute(
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"create table test(id integer primary key, name text, "
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"income number, unique_test text unique)"
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)
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self.cu.execute("insert into test(name) values (?)", ("foo",))
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def tearDown(self):
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self.cu.close()
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self.cx.close()
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def CheckExecuteNoArgs(self):
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self.cu.execute("delete from test")
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def CheckExecuteIllegalSql(self):
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with self.assertRaises(sqlite.OperationalError):
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self.cu.execute("select asdf")
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def CheckExecuteTooMuchSql(self):
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with self.assertRaises(sqlite.Warning):
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self.cu.execute("select 5+4; select 4+5")
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def CheckExecuteTooMuchSql2(self):
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self.cu.execute("select 5+4; -- foo bar")
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def CheckExecuteTooMuchSql3(self):
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self.cu.execute("""
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select 5+4;
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/*
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foo
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*/
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""")
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def CheckExecuteWrongSqlArg(self):
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with self.assertRaises(TypeError):
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self.cu.execute(42)
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def CheckExecuteArgInt(self):
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self.cu.execute("insert into test(id) values (?)", (42,))
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def CheckExecuteArgFloat(self):
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self.cu.execute("insert into test(income) values (?)", (2500.32,))
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def CheckExecuteArgString(self):
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self.cu.execute("insert into test(name) values (?)", ("Hugo",))
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def CheckExecuteArgStringWithZeroByte(self):
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self.cu.execute("insert into test(name) values (?)", ("Hu\x00go",))
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self.cu.execute("select name from test where id=?", (self.cu.lastrowid,))
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row = self.cu.fetchone()
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self.assertEqual(row[0], "Hu\x00go")
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def CheckExecuteNonIterable(self):
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with self.assertRaises(ValueError) as cm:
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self.cu.execute("insert into test(id) values (?)", 42)
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self.assertEqual(str(cm.exception), 'parameters are of unsupported type')
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def CheckExecuteWrongNoOfArgs1(self):
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# too many parameters
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with self.assertRaises(sqlite.ProgrammingError):
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self.cu.execute("insert into test(id) values (?)", (17, "Egon"))
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def CheckExecuteWrongNoOfArgs2(self):
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# too little parameters
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with self.assertRaises(sqlite.ProgrammingError):
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self.cu.execute("insert into test(id) values (?)")
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def CheckExecuteWrongNoOfArgs3(self):
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# no parameters, parameters are needed
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with self.assertRaises(sqlite.ProgrammingError):
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self.cu.execute("insert into test(id) values (?)")
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def CheckExecuteParamList(self):
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self.cu.execute("insert into test(name) values ('foo')")
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self.cu.execute("select name from test where name=?", ["foo"])
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row = self.cu.fetchone()
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self.assertEqual(row[0], "foo")
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def CheckExecuteParamSequence(self):
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class L:
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def __len__(self):
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return 1
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def __getitem__(self, x):
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assert x == 0
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return "foo"
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self.cu.execute("insert into test(name) values ('foo')")
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self.cu.execute("select name from test where name=?", L())
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row = self.cu.fetchone()
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self.assertEqual(row[0], "foo")
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def CheckExecuteParamSequenceBadLen(self):
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# Issue41662: Error in __len__() was overridden with ProgrammingError.
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class L:
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def __len__(self):
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1/0
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def __getitem__(slf, x):
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raise AssertionError
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self.cu.execute("insert into test(name) values ('foo')")
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with self.assertRaises(ZeroDivisionError):
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self.cu.execute("select name from test where name=?", L())
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def CheckExecuteDictMapping(self):
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self.cu.execute("insert into test(name) values ('foo')")
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self.cu.execute("select name from test where name=:name", {"name": "foo"})
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row = self.cu.fetchone()
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self.assertEqual(row[0], "foo")
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def CheckExecuteDictMapping_Mapping(self):
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class D(dict):
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def __missing__(self, key):
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return "foo"
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self.cu.execute("insert into test(name) values ('foo')")
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self.cu.execute("select name from test where name=:name", D())
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row = self.cu.fetchone()
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self.assertEqual(row[0], "foo")
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def CheckExecuteDictMappingTooLittleArgs(self):
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self.cu.execute("insert into test(name) values ('foo')")
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with self.assertRaises(sqlite.ProgrammingError):
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self.cu.execute("select name from test where name=:name and id=:id", {"name": "foo"})
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def CheckExecuteDictMappingNoArgs(self):
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self.cu.execute("insert into test(name) values ('foo')")
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with self.assertRaises(sqlite.ProgrammingError):
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self.cu.execute("select name from test where name=:name")
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def CheckExecuteDictMappingUnnamed(self):
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self.cu.execute("insert into test(name) values ('foo')")
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with self.assertRaises(sqlite.ProgrammingError):
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self.cu.execute("select name from test where name=?", {"name": "foo"})
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def CheckClose(self):
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self.cu.close()
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def CheckRowcountExecute(self):
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self.cu.execute("delete from test")
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self.cu.execute("insert into test(name) values ('foo')")
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self.cu.execute("insert into test(name) values ('foo')")
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self.cu.execute("update test set name='bar'")
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self.assertEqual(self.cu.rowcount, 2)
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def CheckRowcountSelect(self):
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"""
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pysqlite does not know the rowcount of SELECT statements, because we
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don't fetch all rows after executing the select statement. The rowcount
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has thus to be -1.
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"""
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self.cu.execute("select 5 union select 6")
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self.assertEqual(self.cu.rowcount, -1)
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def CheckRowcountExecutemany(self):
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self.cu.execute("delete from test")
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self.cu.executemany("insert into test(name) values (?)", [(1,), (2,), (3,)])
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self.assertEqual(self.cu.rowcount, 3)
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def CheckTotalChanges(self):
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self.cu.execute("insert into test(name) values ('foo')")
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self.cu.execute("insert into test(name) values ('foo')")
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self.assertLess(2, self.cx.total_changes, msg='total changes reported wrong value')
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# Checks for executemany:
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# Sequences are required by the DB-API, iterators
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# enhancements in pysqlite.
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def CheckExecuteManySequence(self):
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self.cu.executemany("insert into test(income) values (?)", [(x,) for x in range(100, 110)])
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def CheckExecuteManyIterator(self):
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class MyIter:
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def __init__(self):
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self.value = 5
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def __iter__(self):
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return self
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def __next__(self):
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if self.value == 10:
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raise StopIteration
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else:
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self.value += 1
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return (self.value,)
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self.cu.executemany("insert into test(income) values (?)", MyIter())
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def CheckExecuteManyGenerator(self):
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def mygen():
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for i in range(5):
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yield (i,)
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self.cu.executemany("insert into test(income) values (?)", mygen())
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def CheckExecuteManyWrongSqlArg(self):
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with self.assertRaises(TypeError):
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self.cu.executemany(42, [(3,)])
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def CheckExecuteManySelect(self):
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with self.assertRaises(sqlite.ProgrammingError):
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self.cu.executemany("select ?", [(3,)])
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def CheckExecuteManyNotIterable(self):
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with self.assertRaises(TypeError):
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self.cu.executemany("insert into test(income) values (?)", 42)
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def CheckFetchIter(self):
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# Optional DB-API extension.
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self.cu.execute("delete from test")
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self.cu.execute("insert into test(id) values (?)", (5,))
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self.cu.execute("insert into test(id) values (?)", (6,))
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self.cu.execute("select id from test order by id")
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lst = []
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for row in self.cu:
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lst.append(row[0])
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self.assertEqual(lst[0], 5)
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self.assertEqual(lst[1], 6)
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def CheckFetchone(self):
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self.cu.execute("select name from test")
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row = self.cu.fetchone()
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self.assertEqual(row[0], "foo")
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row = self.cu.fetchone()
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self.assertEqual(row, None)
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def CheckFetchoneNoStatement(self):
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cur = self.cx.cursor()
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row = cur.fetchone()
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self.assertEqual(row, None)
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def CheckArraySize(self):
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# must default ot 1
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self.assertEqual(self.cu.arraysize, 1)
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# now set to 2
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self.cu.arraysize = 2
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# now make the query return 3 rows
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self.cu.execute("delete from test")
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self.cu.execute("insert into test(name) values ('A')")
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self.cu.execute("insert into test(name) values ('B')")
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self.cu.execute("insert into test(name) values ('C')")
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self.cu.execute("select name from test")
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res = self.cu.fetchmany()
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self.assertEqual(len(res), 2)
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def CheckFetchmany(self):
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self.cu.execute("select name from test")
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res = self.cu.fetchmany(100)
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self.assertEqual(len(res), 1)
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res = self.cu.fetchmany(100)
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self.assertEqual(res, [])
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def CheckFetchmanyKwArg(self):
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"""Checks if fetchmany works with keyword arguments"""
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self.cu.execute("select name from test")
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res = self.cu.fetchmany(size=100)
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self.assertEqual(len(res), 1)
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def CheckFetchall(self):
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self.cu.execute("select name from test")
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res = self.cu.fetchall()
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self.assertEqual(len(res), 1)
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res = self.cu.fetchall()
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self.assertEqual(res, [])
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def CheckSetinputsizes(self):
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self.cu.setinputsizes([3, 4, 5])
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def CheckSetoutputsize(self):
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self.cu.setoutputsize(5, 0)
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def CheckSetoutputsizeNoColumn(self):
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self.cu.setoutputsize(42)
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|
|
def CheckCursorConnection(self):
|
|
# Optional DB-API extension.
|
|
self.assertEqual(self.cu.connection, self.cx)
|
|
|
|
def CheckWrongCursorCallable(self):
|
|
with self.assertRaises(TypeError):
|
|
def f(): pass
|
|
cur = self.cx.cursor(f)
|
|
|
|
def CheckCursorWrongClass(self):
|
|
class Foo: pass
|
|
foo = Foo()
|
|
with self.assertRaises(TypeError):
|
|
cur = sqlite.Cursor(foo)
|
|
|
|
def CheckLastRowIDOnReplace(self):
|
|
"""
|
|
INSERT OR REPLACE and REPLACE INTO should produce the same behavior.
|
|
"""
|
|
sql = '{} INTO test(id, unique_test) VALUES (?, ?)'
|
|
for statement in ('INSERT OR REPLACE', 'REPLACE'):
|
|
with self.subTest(statement=statement):
|
|
self.cu.execute(sql.format(statement), (1, 'foo'))
|
|
self.assertEqual(self.cu.lastrowid, 1)
|
|
|
|
def CheckLastRowIDOnIgnore(self):
|
|
self.cu.execute(
|
|
"insert or ignore into test(unique_test) values (?)",
|
|
('test',))
|
|
self.assertEqual(self.cu.lastrowid, 2)
|
|
self.cu.execute(
|
|
"insert or ignore into test(unique_test) values (?)",
|
|
('test',))
|
|
self.assertEqual(self.cu.lastrowid, 2)
|
|
|
|
def CheckLastRowIDInsertOR(self):
|
|
results = []
|
|
for statement in ('FAIL', 'ABORT', 'ROLLBACK'):
|
|
sql = 'INSERT OR {} INTO test(unique_test) VALUES (?)'
|
|
with self.subTest(statement='INSERT OR {}'.format(statement)):
|
|
self.cu.execute(sql.format(statement), (statement,))
|
|
results.append((statement, self.cu.lastrowid))
|
|
with self.assertRaises(sqlite.IntegrityError):
|
|
self.cu.execute(sql.format(statement), (statement,))
|
|
results.append((statement, self.cu.lastrowid))
|
|
expected = [
|
|
('FAIL', 2), ('FAIL', 2),
|
|
('ABORT', 3), ('ABORT', 3),
|
|
('ROLLBACK', 4), ('ROLLBACK', 4),
|
|
]
|
|
self.assertEqual(results, expected)
|
|
|
|
|
|
class ThreadTests(unittest.TestCase):
|
|
def setUp(self):
|
|
self.con = sqlite.connect(":memory:")
|
|
self.cur = self.con.cursor()
|
|
self.cur.execute("create table test(id integer primary key, name text, bin binary, ratio number, ts timestamp)")
|
|
|
|
def tearDown(self):
|
|
self.cur.close()
|
|
self.con.close()
|
|
|
|
def CheckConCursor(self):
|
|
def run(con, errors):
|
|
try:
|
|
cur = con.cursor()
|
|
errors.append("did not raise ProgrammingError")
|
|
return
|
|
except sqlite.ProgrammingError:
|
|
return
|
|
except:
|
|
errors.append("raised wrong exception")
|
|
|
|
errors = []
|
|
t = threading.Thread(target=run, kwargs={"con": self.con, "errors": errors})
|
|
t.start()
|
|
t.join()
|
|
if len(errors) > 0:
|
|
self.fail("\n".join(errors))
|
|
|
|
def CheckConCommit(self):
|
|
def run(con, errors):
|
|
try:
|
|
con.commit()
|
|
errors.append("did not raise ProgrammingError")
|
|
return
|
|
except sqlite.ProgrammingError:
|
|
return
|
|
except:
|
|
errors.append("raised wrong exception")
|
|
|
|
errors = []
|
|
t = threading.Thread(target=run, kwargs={"con": self.con, "errors": errors})
|
|
t.start()
|
|
t.join()
|
|
if len(errors) > 0:
|
|
self.fail("\n".join(errors))
|
|
|
|
def CheckConRollback(self):
|
|
def run(con, errors):
|
|
try:
|
|
con.rollback()
|
|
errors.append("did not raise ProgrammingError")
|
|
return
|
|
except sqlite.ProgrammingError:
|
|
return
|
|
except:
|
|
errors.append("raised wrong exception")
|
|
|
|
errors = []
|
|
t = threading.Thread(target=run, kwargs={"con": self.con, "errors": errors})
|
|
t.start()
|
|
t.join()
|
|
if len(errors) > 0:
|
|
self.fail("\n".join(errors))
|
|
|
|
def CheckConClose(self):
|
|
def run(con, errors):
|
|
try:
|
|
con.close()
|
|
errors.append("did not raise ProgrammingError")
|
|
return
|
|
except sqlite.ProgrammingError:
|
|
return
|
|
except:
|
|
errors.append("raised wrong exception")
|
|
|
|
errors = []
|
|
t = threading.Thread(target=run, kwargs={"con": self.con, "errors": errors})
|
|
t.start()
|
|
t.join()
|
|
if len(errors) > 0:
|
|
self.fail("\n".join(errors))
|
|
|
|
def CheckCurImplicitBegin(self):
|
|
def run(cur, errors):
|
|
try:
|
|
cur.execute("insert into test(name) values ('a')")
|
|
errors.append("did not raise ProgrammingError")
|
|
return
|
|
except sqlite.ProgrammingError:
|
|
return
|
|
except:
|
|
errors.append("raised wrong exception")
|
|
|
|
errors = []
|
|
t = threading.Thread(target=run, kwargs={"cur": self.cur, "errors": errors})
|
|
t.start()
|
|
t.join()
|
|
if len(errors) > 0:
|
|
self.fail("\n".join(errors))
|
|
|
|
def CheckCurClose(self):
|
|
def run(cur, errors):
|
|
try:
|
|
cur.close()
|
|
errors.append("did not raise ProgrammingError")
|
|
return
|
|
except sqlite.ProgrammingError:
|
|
return
|
|
except:
|
|
errors.append("raised wrong exception")
|
|
|
|
errors = []
|
|
t = threading.Thread(target=run, kwargs={"cur": self.cur, "errors": errors})
|
|
t.start()
|
|
t.join()
|
|
if len(errors) > 0:
|
|
self.fail("\n".join(errors))
|
|
|
|
def CheckCurExecute(self):
|
|
def run(cur, errors):
|
|
try:
|
|
cur.execute("select name from test")
|
|
errors.append("did not raise ProgrammingError")
|
|
return
|
|
except sqlite.ProgrammingError:
|
|
return
|
|
except:
|
|
errors.append("raised wrong exception")
|
|
|
|
errors = []
|
|
self.cur.execute("insert into test(name) values ('a')")
|
|
t = threading.Thread(target=run, kwargs={"cur": self.cur, "errors": errors})
|
|
t.start()
|
|
t.join()
|
|
if len(errors) > 0:
|
|
self.fail("\n".join(errors))
|
|
|
|
def CheckCurIterNext(self):
|
|
def run(cur, errors):
|
|
try:
|
|
row = cur.fetchone()
|
|
errors.append("did not raise ProgrammingError")
|
|
return
|
|
except sqlite.ProgrammingError:
|
|
return
|
|
except:
|
|
errors.append("raised wrong exception")
|
|
|
|
errors = []
|
|
self.cur.execute("insert into test(name) values ('a')")
|
|
self.cur.execute("select name from test")
|
|
t = threading.Thread(target=run, kwargs={"cur": self.cur, "errors": errors})
|
|
t.start()
|
|
t.join()
|
|
if len(errors) > 0:
|
|
self.fail("\n".join(errors))
|
|
|
|
class ConstructorTests(unittest.TestCase):
|
|
def CheckDate(self):
|
|
d = sqlite.Date(2004, 10, 28)
|
|
|
|
def CheckTime(self):
|
|
t = sqlite.Time(12, 39, 35)
|
|
|
|
def CheckTimestamp(self):
|
|
ts = sqlite.Timestamp(2004, 10, 28, 12, 39, 35)
|
|
|
|
def CheckDateFromTicks(self):
|
|
d = sqlite.DateFromTicks(42)
|
|
|
|
def CheckTimeFromTicks(self):
|
|
t = sqlite.TimeFromTicks(42)
|
|
|
|
def CheckTimestampFromTicks(self):
|
|
ts = sqlite.TimestampFromTicks(42)
|
|
|
|
def CheckBinary(self):
|
|
b = sqlite.Binary(b"\0'")
|
|
|
|
class ExtensionTests(unittest.TestCase):
|
|
def CheckScriptStringSql(self):
|
|
con = sqlite.connect(":memory:")
|
|
cur = con.cursor()
|
|
cur.executescript("""
|
|
-- bla bla
|
|
/* a stupid comment */
|
|
create table a(i);
|
|
insert into a(i) values (5);
|
|
""")
|
|
cur.execute("select i from a")
|
|
res = cur.fetchone()[0]
|
|
self.assertEqual(res, 5)
|
|
|
|
def CheckScriptSyntaxError(self):
|
|
con = sqlite.connect(":memory:")
|
|
cur = con.cursor()
|
|
with self.assertRaises(sqlite.OperationalError):
|
|
cur.executescript("create table test(x); asdf; create table test2(x)")
|
|
|
|
def CheckScriptErrorNormal(self):
|
|
con = sqlite.connect(":memory:")
|
|
cur = con.cursor()
|
|
with self.assertRaises(sqlite.OperationalError):
|
|
cur.executescript("create table test(sadfsadfdsa); select foo from hurz;")
|
|
|
|
def CheckCursorExecutescriptAsBytes(self):
|
|
con = sqlite.connect(":memory:")
|
|
cur = con.cursor()
|
|
with self.assertRaises(ValueError) as cm:
|
|
cur.executescript(b"create table test(foo); insert into test(foo) values (5);")
|
|
self.assertEqual(str(cm.exception), 'script argument must be unicode.')
|
|
|
|
def CheckConnectionExecute(self):
|
|
con = sqlite.connect(":memory:")
|
|
result = con.execute("select 5").fetchone()[0]
|
|
self.assertEqual(result, 5, "Basic test of Connection.execute")
|
|
|
|
def CheckConnectionExecutemany(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.execute("create table test(foo)")
|
|
con.executemany("insert into test(foo) values (?)", [(3,), (4,)])
|
|
result = con.execute("select foo from test order by foo").fetchall()
|
|
self.assertEqual(result[0][0], 3, "Basic test of Connection.executemany")
|
|
self.assertEqual(result[1][0], 4, "Basic test of Connection.executemany")
|
|
|
|
def CheckConnectionExecutescript(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.executescript("create table test(foo); insert into test(foo) values (5);")
|
|
result = con.execute("select foo from test").fetchone()[0]
|
|
self.assertEqual(result, 5, "Basic test of Connection.executescript")
|
|
|
|
class ClosedConTests(unittest.TestCase):
|
|
def CheckClosedConCursor(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.close()
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
cur = con.cursor()
|
|
|
|
def CheckClosedConCommit(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.close()
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
con.commit()
|
|
|
|
def CheckClosedConRollback(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.close()
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
con.rollback()
|
|
|
|
def CheckClosedCurExecute(self):
|
|
con = sqlite.connect(":memory:")
|
|
cur = con.cursor()
|
|
con.close()
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
cur.execute("select 4")
|
|
|
|
def CheckClosedCreateFunction(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.close()
|
|
def f(x): return 17
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
con.create_function("foo", 1, f)
|
|
|
|
def CheckClosedCreateAggregate(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.close()
|
|
class Agg:
|
|
def __init__(self):
|
|
pass
|
|
def step(self, x):
|
|
pass
|
|
def finalize(self):
|
|
return 17
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
con.create_aggregate("foo", 1, Agg)
|
|
|
|
def CheckClosedSetAuthorizer(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.close()
|
|
def authorizer(*args):
|
|
return sqlite.DENY
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
con.set_authorizer(authorizer)
|
|
|
|
def CheckClosedSetProgressCallback(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.close()
|
|
def progress(): pass
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
con.set_progress_handler(progress, 100)
|
|
|
|
def CheckClosedCall(self):
|
|
con = sqlite.connect(":memory:")
|
|
con.close()
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
con()
|
|
|
|
class ClosedCurTests(unittest.TestCase):
|
|
def CheckClosed(self):
|
|
con = sqlite.connect(":memory:")
|
|
cur = con.cursor()
|
|
cur.close()
|
|
|
|
for method_name in ("execute", "executemany", "executescript", "fetchall", "fetchmany", "fetchone"):
|
|
if method_name in ("execute", "executescript"):
|
|
params = ("select 4 union select 5",)
|
|
elif method_name == "executemany":
|
|
params = ("insert into foo(bar) values (?)", [(3,), (4,)])
|
|
else:
|
|
params = []
|
|
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
method = getattr(cur, method_name)
|
|
method(*params)
|
|
|
|
|
|
class SqliteOnConflictTests(unittest.TestCase):
|
|
"""
|
|
Tests for SQLite's "insert on conflict" feature.
|
|
|
|
See https://www.sqlite.org/lang_conflict.html for details.
|
|
"""
|
|
|
|
def setUp(self):
|
|
self.cx = sqlite.connect(":memory:")
|
|
self.cu = self.cx.cursor()
|
|
self.cu.execute("""
|
|
CREATE TABLE test(
|
|
id INTEGER PRIMARY KEY, name TEXT, unique_name TEXT UNIQUE
|
|
);
|
|
""")
|
|
|
|
def tearDown(self):
|
|
self.cu.close()
|
|
self.cx.close()
|
|
|
|
def CheckOnConflictRollbackWithExplicitTransaction(self):
|
|
self.cx.isolation_level = None # autocommit mode
|
|
self.cu = self.cx.cursor()
|
|
# Start an explicit transaction.
|
|
self.cu.execute("BEGIN")
|
|
self.cu.execute("INSERT INTO test(name) VALUES ('abort_test')")
|
|
self.cu.execute("INSERT OR ROLLBACK INTO test(unique_name) VALUES ('foo')")
|
|
with self.assertRaises(sqlite.IntegrityError):
|
|
self.cu.execute("INSERT OR ROLLBACK INTO test(unique_name) VALUES ('foo')")
|
|
# Use connection to commit.
|
|
self.cx.commit()
|
|
self.cu.execute("SELECT name, unique_name from test")
|
|
# Transaction should have rolled back and nothing should be in table.
|
|
self.assertEqual(self.cu.fetchall(), [])
|
|
|
|
def CheckOnConflictAbortRaisesWithExplicitTransactions(self):
|
|
# Abort cancels the current sql statement but doesn't change anything
|
|
# about the current transaction.
|
|
self.cx.isolation_level = None # autocommit mode
|
|
self.cu = self.cx.cursor()
|
|
# Start an explicit transaction.
|
|
self.cu.execute("BEGIN")
|
|
self.cu.execute("INSERT INTO test(name) VALUES ('abort_test')")
|
|
self.cu.execute("INSERT OR ABORT INTO test(unique_name) VALUES ('foo')")
|
|
with self.assertRaises(sqlite.IntegrityError):
|
|
self.cu.execute("INSERT OR ABORT INTO test(unique_name) VALUES ('foo')")
|
|
self.cx.commit()
|
|
self.cu.execute("SELECT name, unique_name FROM test")
|
|
# Expect the first two inserts to work, third to do nothing.
|
|
self.assertEqual(self.cu.fetchall(), [('abort_test', None), (None, 'foo',)])
|
|
|
|
def CheckOnConflictRollbackWithoutTransaction(self):
|
|
# Start of implicit transaction
|
|
self.cu.execute("INSERT INTO test(name) VALUES ('abort_test')")
|
|
self.cu.execute("INSERT OR ROLLBACK INTO test(unique_name) VALUES ('foo')")
|
|
with self.assertRaises(sqlite.IntegrityError):
|
|
self.cu.execute("INSERT OR ROLLBACK INTO test(unique_name) VALUES ('foo')")
|
|
self.cu.execute("SELECT name, unique_name FROM test")
|
|
# Implicit transaction is rolled back on error.
|
|
self.assertEqual(self.cu.fetchall(), [])
|
|
|
|
def CheckOnConflictAbortRaisesWithoutTransactions(self):
|
|
# Abort cancels the current sql statement but doesn't change anything
|
|
# about the current transaction.
|
|
self.cu.execute("INSERT INTO test(name) VALUES ('abort_test')")
|
|
self.cu.execute("INSERT OR ABORT INTO test(unique_name) VALUES ('foo')")
|
|
with self.assertRaises(sqlite.IntegrityError):
|
|
self.cu.execute("INSERT OR ABORT INTO test(unique_name) VALUES ('foo')")
|
|
# Make sure all other values were inserted.
|
|
self.cu.execute("SELECT name, unique_name FROM test")
|
|
self.assertEqual(self.cu.fetchall(), [('abort_test', None), (None, 'foo',)])
|
|
|
|
def CheckOnConflictFail(self):
|
|
self.cu.execute("INSERT OR FAIL INTO test(unique_name) VALUES ('foo')")
|
|
with self.assertRaises(sqlite.IntegrityError):
|
|
self.cu.execute("INSERT OR FAIL INTO test(unique_name) VALUES ('foo')")
|
|
self.assertEqual(self.cu.fetchall(), [])
|
|
|
|
def CheckOnConflictIgnore(self):
|
|
self.cu.execute("INSERT OR IGNORE INTO test(unique_name) VALUES ('foo')")
|
|
# Nothing should happen.
|
|
self.cu.execute("INSERT OR IGNORE INTO test(unique_name) VALUES ('foo')")
|
|
self.cu.execute("SELECT unique_name FROM test")
|
|
self.assertEqual(self.cu.fetchall(), [('foo',)])
|
|
|
|
def CheckOnConflictReplace(self):
|
|
self.cu.execute("INSERT OR REPLACE INTO test(name, unique_name) VALUES ('Data!', 'foo')")
|
|
# There shouldn't be an IntegrityError exception.
|
|
self.cu.execute("INSERT OR REPLACE INTO test(name, unique_name) VALUES ('Very different data!', 'foo')")
|
|
self.cu.execute("SELECT name, unique_name FROM test")
|
|
self.assertEqual(self.cu.fetchall(), [('Very different data!', 'foo')])
|
|
|
|
|
|
class MultiprocessTests(unittest.TestCase):
|
|
CONNECTION_TIMEOUT = SHORT_TIMEOUT / 1000. # Defaults to 30 ms
|
|
|
|
def tearDown(self):
|
|
unlink(TESTFN)
|
|
|
|
def test_ctx_mgr_rollback_if_commit_failed(self):
|
|
# bpo-27334: ctx manager does not rollback if commit fails
|
|
SCRIPT = f"""if 1:
|
|
import sqlite3
|
|
def wait():
|
|
print("started")
|
|
assert "database is locked" in input()
|
|
|
|
cx = sqlite3.connect("{TESTFN}", timeout={self.CONNECTION_TIMEOUT})
|
|
cx.create_function("wait", 0, wait)
|
|
with cx:
|
|
cx.execute("create table t(t)")
|
|
try:
|
|
# execute two transactions; both will try to lock the db
|
|
cx.executescript('''
|
|
-- start a transaction and wait for parent
|
|
begin transaction;
|
|
select * from t;
|
|
select wait();
|
|
rollback;
|
|
|
|
-- start a new transaction; would fail if parent holds lock
|
|
begin transaction;
|
|
select * from t;
|
|
rollback;
|
|
''')
|
|
finally:
|
|
cx.close()
|
|
"""
|
|
|
|
# spawn child process
|
|
proc = subprocess.Popen(
|
|
[sys.executable, "-c", SCRIPT],
|
|
encoding="utf-8",
|
|
bufsize=0,
|
|
stdin=subprocess.PIPE,
|
|
stdout=subprocess.PIPE,
|
|
)
|
|
self.addCleanup(proc.communicate)
|
|
|
|
# wait for child process to start
|
|
self.assertEqual("started", proc.stdout.readline().strip())
|
|
|
|
cx = sqlite.connect(TESTFN, timeout=self.CONNECTION_TIMEOUT)
|
|
try: # context manager should correctly release the db lock
|
|
with cx:
|
|
cx.execute("insert into t values('test')")
|
|
except sqlite.OperationalError as exc:
|
|
proc.stdin.write(str(exc))
|
|
else:
|
|
proc.stdin.write("no error")
|
|
finally:
|
|
cx.close()
|
|
|
|
# terminate child process
|
|
self.assertIsNone(proc.returncode)
|
|
try:
|
|
proc.communicate(input="end", timeout=SHORT_TIMEOUT)
|
|
except subprocess.TimeoutExpired:
|
|
proc.kill()
|
|
proc.communicate()
|
|
raise
|
|
self.assertEqual(proc.returncode, 0)
|
|
|
|
|
|
def suite():
|
|
module_suite = unittest.makeSuite(ModuleTests, "Check")
|
|
connection_suite = unittest.makeSuite(ConnectionTests, "Check")
|
|
cursor_suite = unittest.makeSuite(CursorTests, "Check")
|
|
thread_suite = unittest.makeSuite(ThreadTests, "Check")
|
|
constructor_suite = unittest.makeSuite(ConstructorTests, "Check")
|
|
ext_suite = unittest.makeSuite(ExtensionTests, "Check")
|
|
closed_con_suite = unittest.makeSuite(ClosedConTests, "Check")
|
|
closed_cur_suite = unittest.makeSuite(ClosedCurTests, "Check")
|
|
on_conflict_suite = unittest.makeSuite(SqliteOnConflictTests, "Check")
|
|
uninit_con_suite = unittest.makeSuite(UninitialisedConnectionTests)
|
|
multiproc_con_suite = unittest.makeSuite(MultiprocessTests)
|
|
return unittest.TestSuite((
|
|
module_suite, connection_suite, cursor_suite, thread_suite,
|
|
constructor_suite, ext_suite, closed_con_suite, closed_cur_suite,
|
|
on_conflict_suite, uninit_con_suite, multiproc_con_suite,
|
|
))
|
|
|
|
def test():
|
|
runner = unittest.TextTestRunner()
|
|
runner.run(suite())
|
|
|
|
if __name__ == "__main__":
|
|
test()
|