mirror of https://github.com/python/cpython
359 lines
13 KiB
Python
359 lines
13 KiB
Python
#-*- coding: iso-8859-1 -*-
|
|
# pysqlite2/test/regression.py: pysqlite regression tests
|
|
#
|
|
# Copyright (C) 2006-2010 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 datetime
|
|
import unittest
|
|
import sqlite3 as sqlite
|
|
|
|
class RegressionTests(unittest.TestCase):
|
|
def setUp(self):
|
|
self.con = sqlite.connect(":memory:")
|
|
|
|
def tearDown(self):
|
|
self.con.close()
|
|
|
|
def CheckPragmaUserVersion(self):
|
|
# This used to crash pysqlite because this pragma command returns NULL for the column name
|
|
cur = self.con.cursor()
|
|
cur.execute("pragma user_version")
|
|
|
|
def CheckPragmaSchemaVersion(self):
|
|
# This still crashed pysqlite <= 2.2.1
|
|
con = sqlite.connect(":memory:", detect_types=sqlite.PARSE_COLNAMES)
|
|
try:
|
|
cur = self.con.cursor()
|
|
cur.execute("pragma schema_version")
|
|
finally:
|
|
cur.close()
|
|
con.close()
|
|
|
|
def CheckStatementReset(self):
|
|
# pysqlite 2.1.0 to 2.2.0 have the problem that not all statements are
|
|
# reset before a rollback, but only those that are still in the
|
|
# statement cache. The others are not accessible from the connection object.
|
|
con = sqlite.connect(":memory:", cached_statements=5)
|
|
cursors = [con.cursor() for x in range(5)]
|
|
cursors[0].execute("create table test(x)")
|
|
for i in range(10):
|
|
cursors[0].executemany("insert into test(x) values (?)", [(x,) for x in range(10)])
|
|
|
|
for i in range(5):
|
|
cursors[i].execute(" " * i + "select x from test")
|
|
|
|
con.rollback()
|
|
|
|
def CheckColumnNameWithSpaces(self):
|
|
cur = self.con.cursor()
|
|
cur.execute('select 1 as "foo bar [datetime]"')
|
|
self.assertEqual(cur.description[0][0], "foo bar")
|
|
|
|
cur.execute('select 1 as "foo baz"')
|
|
self.assertEqual(cur.description[0][0], "foo baz")
|
|
|
|
def CheckStatementFinalizationOnCloseDb(self):
|
|
# pysqlite versions <= 2.3.3 only finalized statements in the statement
|
|
# cache when closing the database. statements that were still
|
|
# referenced in cursors weren't closed and could provoke "
|
|
# "OperationalError: Unable to close due to unfinalised statements".
|
|
con = sqlite.connect(":memory:")
|
|
cursors = []
|
|
# default statement cache size is 100
|
|
for i in range(105):
|
|
cur = con.cursor()
|
|
cursors.append(cur)
|
|
cur.execute("select 1 x union select " + str(i))
|
|
con.close()
|
|
|
|
def CheckOnConflictRollback(self):
|
|
if sqlite.sqlite_version_info < (3, 2, 2):
|
|
return
|
|
con = sqlite.connect(":memory:")
|
|
con.execute("create table foo(x, unique(x) on conflict rollback)")
|
|
con.execute("insert into foo(x) values (1)")
|
|
try:
|
|
con.execute("insert into foo(x) values (1)")
|
|
except sqlite.DatabaseError:
|
|
pass
|
|
con.execute("insert into foo(x) values (2)")
|
|
try:
|
|
con.commit()
|
|
except sqlite.OperationalError:
|
|
self.fail("pysqlite knew nothing about the implicit ROLLBACK")
|
|
|
|
def CheckWorkaroundForBuggySqliteTransferBindings(self):
|
|
"""
|
|
pysqlite would crash with older SQLite versions unless
|
|
a workaround is implemented.
|
|
"""
|
|
self.con.execute("create table foo(bar)")
|
|
self.con.execute("drop table foo")
|
|
self.con.execute("create table foo(bar)")
|
|
|
|
def CheckEmptyStatement(self):
|
|
"""
|
|
pysqlite used to segfault with SQLite versions 3.5.x. These return NULL
|
|
for "no-operation" statements
|
|
"""
|
|
self.con.execute("")
|
|
|
|
def CheckTypeMapUsage(self):
|
|
"""
|
|
pysqlite until 2.4.1 did not rebuild the row_cast_map when recompiling
|
|
a statement. This test exhibits the problem.
|
|
"""
|
|
SELECT = "select * from foo"
|
|
con = sqlite.connect(":memory:",detect_types=sqlite.PARSE_DECLTYPES)
|
|
con.execute("create table foo(bar timestamp)")
|
|
con.execute("insert into foo(bar) values (?)", (datetime.datetime.now(),))
|
|
con.execute(SELECT)
|
|
con.execute("drop table foo")
|
|
con.execute("create table foo(bar integer)")
|
|
con.execute("insert into foo(bar) values (5)")
|
|
con.execute(SELECT)
|
|
|
|
def CheckErrorMsgDecodeError(self):
|
|
# When porting the module to Python 3.0, the error message about
|
|
# decoding errors disappeared. This verifies they're back again.
|
|
failure = None
|
|
try:
|
|
self.con.execute("select 'xxx' || ? || 'yyy' colname",
|
|
(bytes(bytearray([250])),)).fetchone()
|
|
failure = "should have raised an OperationalError with detailed description"
|
|
except sqlite.OperationalError as e:
|
|
msg = e.args[0]
|
|
if not msg.startswith("Could not decode to UTF-8 column 'colname' with text 'xxx"):
|
|
failure = "OperationalError did not have expected description text"
|
|
if failure:
|
|
self.fail(failure)
|
|
|
|
def CheckRegisterAdapter(self):
|
|
"""
|
|
See issue 3312.
|
|
"""
|
|
self.assertRaises(TypeError, sqlite.register_adapter, {}, None)
|
|
|
|
def CheckSetIsolationLevel(self):
|
|
"""
|
|
See issue 3312.
|
|
"""
|
|
con = sqlite.connect(":memory:")
|
|
setattr(con, "isolation_level", "\xe9")
|
|
|
|
def CheckCursorConstructorCallCheck(self):
|
|
"""
|
|
Verifies that cursor methods check whether base class __init__ was
|
|
called.
|
|
"""
|
|
class Cursor(sqlite.Cursor):
|
|
def __init__(self, con):
|
|
pass
|
|
|
|
con = sqlite.connect(":memory:")
|
|
cur = Cursor(con)
|
|
try:
|
|
cur.execute("select 4+5").fetchall()
|
|
self.fail("should have raised ProgrammingError")
|
|
except sqlite.ProgrammingError:
|
|
pass
|
|
except:
|
|
self.fail("should have raised ProgrammingError")
|
|
|
|
|
|
def CheckStrSubclass(self):
|
|
"""
|
|
The Python 3.0 port of the module didn't cope with values of subclasses of str.
|
|
"""
|
|
class MyStr(str): pass
|
|
self.con.execute("select ?", (MyStr("abc"),))
|
|
|
|
def CheckConnectionConstructorCallCheck(self):
|
|
"""
|
|
Verifies that connection methods check whether base class __init__ was
|
|
called.
|
|
"""
|
|
class Connection(sqlite.Connection):
|
|
def __init__(self, name):
|
|
pass
|
|
|
|
con = Connection(":memory:")
|
|
try:
|
|
cur = con.cursor()
|
|
self.fail("should have raised ProgrammingError")
|
|
except sqlite.ProgrammingError:
|
|
pass
|
|
except:
|
|
self.fail("should have raised ProgrammingError")
|
|
|
|
def CheckCursorRegistration(self):
|
|
"""
|
|
Verifies that subclassed cursor classes are correctly registered with
|
|
the connection object, too. (fetch-across-rollback problem)
|
|
"""
|
|
class Connection(sqlite.Connection):
|
|
def cursor(self):
|
|
return Cursor(self)
|
|
|
|
class Cursor(sqlite.Cursor):
|
|
def __init__(self, con):
|
|
sqlite.Cursor.__init__(self, con)
|
|
|
|
con = Connection(":memory:")
|
|
cur = con.cursor()
|
|
cur.execute("create table foo(x)")
|
|
cur.executemany("insert into foo(x) values (?)", [(3,), (4,), (5,)])
|
|
cur.execute("select x from foo")
|
|
con.rollback()
|
|
try:
|
|
cur.fetchall()
|
|
self.fail("should have raised InterfaceError")
|
|
except sqlite.InterfaceError:
|
|
pass
|
|
except:
|
|
self.fail("should have raised InterfaceError")
|
|
|
|
def CheckAutoCommit(self):
|
|
"""
|
|
Verifies that creating a connection in autocommit mode works.
|
|
2.5.3 introduced a regression so that these could no longer
|
|
be created.
|
|
"""
|
|
con = sqlite.connect(":memory:", isolation_level=None)
|
|
|
|
def CheckPragmaAutocommit(self):
|
|
"""
|
|
Verifies that running a PRAGMA statement that does an autocommit does
|
|
work. This did not work in 2.5.3/2.5.4.
|
|
"""
|
|
cur = self.con.cursor()
|
|
cur.execute("create table foo(bar)")
|
|
cur.execute("insert into foo(bar) values (5)")
|
|
|
|
cur.execute("pragma page_size")
|
|
row = cur.fetchone()
|
|
|
|
def CheckSetDict(self):
|
|
"""
|
|
See http://bugs.python.org/issue7478
|
|
|
|
It was possible to successfully register callbacks that could not be
|
|
hashed. Return codes of PyDict_SetItem were not checked properly.
|
|
"""
|
|
class NotHashable:
|
|
def __call__(self, *args, **kw):
|
|
pass
|
|
def __hash__(self):
|
|
raise TypeError()
|
|
var = NotHashable()
|
|
self.assertRaises(TypeError, self.con.create_function, var)
|
|
self.assertRaises(TypeError, self.con.create_aggregate, var)
|
|
self.assertRaises(TypeError, self.con.set_authorizer, var)
|
|
self.assertRaises(TypeError, self.con.set_progress_handler, var)
|
|
|
|
def CheckConnectionCall(self):
|
|
"""
|
|
Call a connection with a non-string SQL request: check error handling
|
|
of the statement constructor.
|
|
"""
|
|
self.assertRaises(sqlite.Warning, self.con, 1)
|
|
|
|
def CheckCollation(self):
|
|
def collation_cb(a, b):
|
|
return 1
|
|
self.assertRaises(sqlite.ProgrammingError, self.con.create_collation,
|
|
# Lone surrogate cannot be encoded to the default encoding (utf8)
|
|
"\uDC80", collation_cb)
|
|
|
|
def CheckRecursiveCursorUse(self):
|
|
"""
|
|
http://bugs.python.org/issue10811
|
|
|
|
Recursively using a cursor, such as when reusing it from a generator led to segfaults.
|
|
Now we catch recursive cursor usage and raise a ProgrammingError.
|
|
"""
|
|
con = sqlite.connect(":memory:")
|
|
|
|
cur = con.cursor()
|
|
cur.execute("create table a (bar)")
|
|
cur.execute("create table b (baz)")
|
|
|
|
def foo():
|
|
cur.execute("insert into a (bar) values (?)", (1,))
|
|
yield 1
|
|
|
|
with self.assertRaises(sqlite.ProgrammingError):
|
|
cur.executemany("insert into b (baz) values (?)",
|
|
((i,) for i in foo()))
|
|
|
|
def CheckConvertTimestampMicrosecondPadding(self):
|
|
"""
|
|
http://bugs.python.org/issue14720
|
|
|
|
The microsecond parsing of convert_timestamp() should pad with zeros,
|
|
since the microsecond string "456" actually represents "456000".
|
|
"""
|
|
|
|
con = sqlite.connect(":memory:", detect_types=sqlite.PARSE_DECLTYPES)
|
|
cur = con.cursor()
|
|
cur.execute("CREATE TABLE t (x TIMESTAMP)")
|
|
|
|
# Microseconds should be 456000
|
|
cur.execute("INSERT INTO t (x) VALUES ('2012-04-04 15:06:00.456')")
|
|
|
|
# Microseconds should be truncated to 123456
|
|
cur.execute("INSERT INTO t (x) VALUES ('2012-04-04 15:06:00.123456789')")
|
|
|
|
cur.execute("SELECT * FROM t")
|
|
values = [x[0] for x in cur.fetchall()]
|
|
|
|
self.assertEqual(values, [
|
|
datetime.datetime(2012, 4, 4, 15, 6, 0, 456000),
|
|
datetime.datetime(2012, 4, 4, 15, 6, 0, 123456),
|
|
])
|
|
|
|
def CheckInvalidIsolationLevelType(self):
|
|
# isolation level is a string, not an integer
|
|
self.assertRaises(TypeError,
|
|
sqlite.connect, ":memory:", isolation_level=123)
|
|
|
|
|
|
def CheckNullCharacter(self):
|
|
# Issue #21147
|
|
con = sqlite.connect(":memory:")
|
|
self.assertRaises(ValueError, con, "\0select 1")
|
|
self.assertRaises(ValueError, con, "select 1\0")
|
|
cur = con.cursor()
|
|
self.assertRaises(ValueError, cur.execute, " \0select 2")
|
|
self.assertRaises(ValueError, cur.execute, "select 2\0")
|
|
|
|
|
|
def suite():
|
|
regression_suite = unittest.makeSuite(RegressionTests, "Check")
|
|
return unittest.TestSuite((regression_suite,))
|
|
|
|
def test():
|
|
runner = unittest.TextTestRunner()
|
|
runner.run(suite())
|
|
|
|
if __name__ == "__main__":
|
|
test()
|