bouquin-sqlcipher4/tests/dbapi.py

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#-*- coding: iso-8859-1 -*-
# pysqlite2/test/dbapi.py: tests for DB-API compliance
#
# Copyright (C) 2004-2010 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.
import threading
import unittest
from sqlcipher4 import dbapi2 as sqlite
#from test.support import TESTFN, unlink
TESTFN = 'pysqlite3_test'
from os import unlink
class ModuleTests(unittest.TestCase):
def test_APILevel(self):
self.assertEqual(sqlite.apilevel, "2.0",
"apilevel is %s, should be 2.0" % sqlite.apilevel)
def test_ThreadSafety(self):
self.assertEqual(sqlite.threadsafety, 1,
"threadsafety is %d, should be 1" % sqlite.threadsafety)
def test_ParamStyle(self):
self.assertEqual(sqlite.paramstyle, "qmark",
"paramstyle is '%s', should be 'qmark'" %
sqlite.paramstyle)
def test_Warning(self):
self.assertTrue(issubclass(sqlite.Warning, Exception),
"Warning is not a subclass of Exception")
def test_Error(self):
self.assertTrue(issubclass(sqlite.Error, Exception),
"Error is not a subclass of Exception")
def test_InterfaceError(self):
self.assertTrue(issubclass(sqlite.InterfaceError, sqlite.Error),
"InterfaceError is not a subclass of Error")
def test_DatabaseError(self):
self.assertTrue(issubclass(sqlite.DatabaseError, sqlite.Error),
"DatabaseError is not a subclass of Error")
def test_DataError(self):
self.assertTrue(issubclass(sqlite.DataError, sqlite.DatabaseError),
"DataError is not a subclass of DatabaseError")
def test_OperationalError(self):
self.assertTrue(issubclass(sqlite.OperationalError, sqlite.DatabaseError),
"OperationalError is not a subclass of DatabaseError")
def test_IntegrityError(self):
self.assertTrue(issubclass(sqlite.IntegrityError, sqlite.DatabaseError),
"IntegrityError is not a subclass of DatabaseError")
def test_InternalError(self):
self.assertTrue(issubclass(sqlite.InternalError, sqlite.DatabaseError),
"InternalError is not a subclass of DatabaseError")
def test_ProgrammingError(self):
self.assertTrue(issubclass(sqlite.ProgrammingError, sqlite.DatabaseError),
"ProgrammingError is not a subclass of DatabaseError")
def test_NotSupportedError(self):
self.assertTrue(issubclass(sqlite.NotSupportedError,
sqlite.DatabaseError),
"NotSupportedError is not a subclass of DatabaseError")
def test_ErrorCodeOnException(self):
with self.assertRaises(sqlite.Error) as cm:
db = sqlite.connect('/no/such/file/exists')
e = cm.exception
self.assertEqual(e.sqlite_errorcode, sqlite.SQLITE_CANTOPEN)
self.assertEqual(e.sqlite_errorname, "SQLITE_CANTOPEN")
self.assertEqual(str(e), "unable to open database file")
class ConnectionTests(unittest.TestCase):
def setUp(self):
self.cx = sqlite.connect(":memory:")
cu = self.cx.cursor()
cu.execute("create table test(id integer primary key, name text)")
cu.execute("insert into test(name) values (?)", ("foo",))
def tearDown(self):
self.cx.close()
def test_Commit(self):
self.cx.commit()
def test_CommitAfterNoChanges(self):
"""
A commit should also work when no changes were made to the database.
"""
self.cx.commit()
self.cx.commit()
def test_Rollback(self):
self.cx.rollback()
def test_RollbackAfterNoChanges(self):
"""
A rollback should also work when no changes were made to the database.
"""
self.cx.rollback()
self.cx.rollback()
def test_Cursor(self):
cu = self.cx.cursor()
def test_FailedOpen(self):
YOU_CANNOT_OPEN_THIS = "/foo/bar/bla/23534/mydb.db"
with self.assertRaises(sqlite.OperationalError):
con = sqlite.connect(YOU_CANNOT_OPEN_THIS)
def test_Close(self):
self.cx.close()
def test_Exceptions(self):
# Optional DB-API extension.
self.assertEqual(self.cx.Warning, sqlite.Warning)
self.assertEqual(self.cx.Error, sqlite.Error)
self.assertEqual(self.cx.InterfaceError, sqlite.InterfaceError)
self.assertEqual(self.cx.DatabaseError, sqlite.DatabaseError)
self.assertEqual(self.cx.DataError, sqlite.DataError)
self.assertEqual(self.cx.OperationalError, sqlite.OperationalError)
self.assertEqual(self.cx.IntegrityError, sqlite.IntegrityError)
self.assertEqual(self.cx.InternalError, sqlite.InternalError)
self.assertEqual(self.cx.ProgrammingError, sqlite.ProgrammingError)
self.assertEqual(self.cx.NotSupportedError, sqlite.NotSupportedError)
def test_InTransaction(self):
# Can't use db from setUp because we want to test initial state.
cx = sqlite.connect(":memory:")
cu = cx.cursor()
self.assertEqual(cx.in_transaction, False)
cu.execute("create table transactiontest(id integer primary key, name text)")
self.assertEqual(cx.in_transaction, False)
cu.execute("insert into transactiontest(name) values (?)", ("foo",))
self.assertEqual(cx.in_transaction, True)
cu.execute("select name from transactiontest where name=?", ["foo"])
row = cu.fetchone()
self.assertEqual(cx.in_transaction, True)
cx.commit()
self.assertEqual(cx.in_transaction, False)
cu.execute("select name from transactiontest where name=?", ["foo"])
row = cu.fetchone()
self.assertEqual(cx.in_transaction, False)
def test_InTransactionRO(self):
with self.assertRaises(AttributeError):
self.cx.in_transaction = True
def test_OpenWithPathLikeObject(self):
""" Checks that we can successfully connect to a database using an object that
is PathLike, i.e. has __fspath__(). """
self.addCleanup(unlink, TESTFN)
class Path:
def __fspath__(self):
return TESTFN
path = Path()
with sqlite.connect(path) as cx:
cx.execute('create table test(id integer)')
def test_OpenUri(self):
if sqlite.sqlite_version_info < (3, 7, 7):
with self.assertRaises(sqlite.NotSupportedError):
sqlite.connect(':memory:', uri=True)
return
self.addCleanup(unlink, TESTFN)
with sqlite.connect(TESTFN) as cx:
cx.execute('create table test(id integer)')
with sqlite.connect('file:' + TESTFN, uri=True) as cx:
cx.execute('insert into test(id) values(0)')
with sqlite.connect('file:' + TESTFN + '?mode=ro', uri=True) as cx:
with self.assertRaises(sqlite.OperationalError):
cx.execute('insert into test(id) values(1)')
@unittest.skipIf(sqlite.sqlite_version_info >= (3, 3, 1),
'needs sqlite versions older than 3.3.1')
def test_SameThreadErrorOnOldVersion(self):
with self.assertRaises(sqlite.NotSupportedError) as cm:
sqlite.connect(':memory:', check_same_thread=False)
self.assertEqual(str(cm.exception), 'shared connections not available')
class CursorTests(unittest.TestCase):
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, "
"income number, unique_test text unique)"
)
self.cu.execute("insert into test(name) values (?)", ("foo",))
def tearDown(self):
self.cu.close()
self.cx.close()
def test_ExecuteNoArgs(self):
self.cu.execute("delete from test")
def test_ExecuteIllegalSql(self):
with self.assertRaises(sqlite.OperationalError):
self.cu.execute("select asdf")
def test_ExecuteTooMuchSql(self):
with self.assertRaises(sqlite.Warning):
self.cu.execute("select 5+4; select 4+5")
def test_ExecuteTooMuchSql2(self):
self.cu.execute("select 5+4; -- foo bar")
def test_ExecuteTooMuchSql3(self):
self.cu.execute("""
select 5+4;
/*
foo
*/
""")
def test_ExecuteWrongSqlArg(self):
with self.assertRaises(TypeError):
self.cu.execute(42)
def test_ExecuteArgInt(self):
self.cu.execute("insert into test(id) values (?)", (42,))
def test_ExecuteArgFloat(self):
self.cu.execute("insert into test(income) values (?)", (2500.32,))
def test_ExecuteArgString(self):
self.cu.execute("insert into test(name) values (?)", ("Hugo",))
def test_ExecuteArgStringWithZeroByte(self):
self.cu.execute("insert into test(name) values (?)", ("Hu\x00go",))
self.cu.execute("select name from test where id=?", (self.cu.lastrowid,))
row = self.cu.fetchone()
self.assertEqual(row[0], "Hu\x00go")
def test_ExecuteNonIterable(self):
with self.assertRaises(ValueError) as cm:
self.cu.execute("insert into test(id) values (?)", 42)
self.assertEqual(str(cm.exception), 'parameters are of unsupported type')
def test_ExecuteWrongNoOfArgs1(self):
# too many parameters
with self.assertRaises(sqlite.ProgrammingError):
self.cu.execute("insert into test(id) values (?)", (17, "Egon"))
def test_ExecuteWrongNoOfArgs2(self):
# too little parameters
with self.assertRaises(sqlite.ProgrammingError):
self.cu.execute("insert into test(id) values (?)")
def test_ExecuteWrongNoOfArgs3(self):
# no parameters, parameters are needed
with self.assertRaises(sqlite.ProgrammingError):
self.cu.execute("insert into test(id) values (?)")
def test_ExecuteParamList(self):
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("select name from test where name=?", ["foo"])
row = self.cu.fetchone()
self.assertEqual(row[0], "foo")
def test_ExecuteParamSequence(self):
class L(object):
def __len__(self):
return 1
def __getitem__(self, x):
assert x == 0
return "foo"
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("select name from test where name=?", L())
row = self.cu.fetchone()
self.assertEqual(row[0], "foo")
def test_ExecuteDictMapping(self):
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("select name from test where name=:name", {"name": "foo"})
row = self.cu.fetchone()
self.assertEqual(row[0], "foo")
def test_ExecuteDictMapping_Mapping(self):
class D(dict):
def __missing__(self, key):
return "foo"
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("select name from test where name=:name", D())
row = self.cu.fetchone()
self.assertEqual(row[0], "foo")
def test_ExecuteDictMappingTooLittleArgs(self):
self.cu.execute("insert into test(name) values ('foo')")
with self.assertRaises(sqlite.ProgrammingError):
self.cu.execute("select name from test where name=:name and id=:id", {"name": "foo"})
def test_ExecuteDictMappingNoArgs(self):
self.cu.execute("insert into test(name) values ('foo')")
with self.assertRaises(sqlite.ProgrammingError):
self.cu.execute("select name from test where name=:name")
def test_ExecuteDictMappingUnnamed(self):
self.cu.execute("insert into test(name) values ('foo')")
with self.assertRaises(sqlite.ProgrammingError):
self.cu.execute("select name from test where name=?", {"name": "foo"})
def test_Close(self):
self.cu.close()
def test_RowcountExecute(self):
self.cu.execute("delete from test")
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("update test set name='bar'")
self.assertEqual(self.cu.rowcount, 2)
def test_RowcountSelect(self):
"""
pysqlite does not know the rowcount of SELECT statements, because we
don't fetch all rows after executing the select statement. The rowcount
has thus to be -1.
"""
self.cu.execute("select 5 union select 6")
self.assertEqual(self.cu.rowcount, -1)
def test_RowcountExecutemany(self):
self.cu.execute("delete from test")
self.cu.executemany("insert into test(name) values (?)", [(1,), (2,), (3,)])
self.assertEqual(self.cu.rowcount, 3)
def test_TotalChanges(self):
self.cu.execute("insert into test(name) values ('foo')")
self.cu.execute("insert into test(name) values ('foo')")
self.assertLess(2, self.cx.total_changes, msg='total changes reported wrong value')
# Checks for executemany:
# Sequences are required by the DB-API, iterators
# enhancements in pysqlite.
def test_ExecuteManySequence(self):
self.cu.executemany("insert into test(income) values (?)", [(x,) for x in range(100, 110)])
def test_ExecuteManyIterator(self):
class MyIter:
def __init__(self):
self.value = 5
def __next__(self):
if self.value == 10:
raise StopIteration
else:
self.value += 1
return (self.value,)
self.cu.executemany("insert into test(income) values (?)", MyIter())
def test_ExecuteManyGenerator(self):
def mygen():
for i in range(5):
yield (i,)
self.cu.executemany("insert into test(income) values (?)", mygen())
def test_ExecuteManyWrongSqlArg(self):
with self.assertRaises(TypeError):
self.cu.executemany(42, [(3,)])
def test_ExecuteManySelect(self):
with self.assertRaises(sqlite.ProgrammingError):
self.cu.executemany("select ?", [(3,)])
def test_ExecuteManyNotIterable(self):
with self.assertRaises(TypeError):
self.cu.executemany("insert into test(income) values (?)", 42)
def test_FetchIter(self):
# Optional DB-API extension.
self.cu.execute("delete from test")
self.cu.execute("insert into test(id) values (?)", (5,))
self.cu.execute("insert into test(id) values (?)", (6,))
self.cu.execute("select id from test order by id")
lst = []
for row in self.cu:
lst.append(row[0])
self.assertEqual(lst[0], 5)
self.assertEqual(lst[1], 6)
def test_Fetchone(self):
self.cu.execute("select name from test")
row = self.cu.fetchone()
self.assertEqual(row[0], "foo")
row = self.cu.fetchone()
self.assertEqual(row, None)
def test_FetchoneNoStatement(self):
cur = self.cx.cursor()
row = cur.fetchone()
self.assertEqual(row, None)
def test_ArraySize(self):
# must default ot 1
self.assertEqual(self.cu.arraysize, 1)
# now set to 2
self.cu.arraysize = 2
# now make the query return 3 rows
self.cu.execute("delete from test")
self.cu.execute("insert into test(name) values ('A')")
self.cu.execute("insert into test(name) values ('B')")
self.cu.execute("insert into test(name) values ('C')")
self.cu.execute("select name from test")
res = self.cu.fetchmany()
self.assertEqual(len(res), 2)
def test_Fetchmany(self):
self.cu.execute("select name from test")
res = self.cu.fetchmany(100)
self.assertEqual(len(res), 1)
res = self.cu.fetchmany(100)
self.assertEqual(res, [])
def test_FetchmanyKwArg(self):
"""Checks if fetchmany works with keyword arguments"""
self.cu.execute("select name from test")
res = self.cu.fetchmany(size=100)
self.assertEqual(len(res), 1)
def test_Fetchall(self):
self.cu.execute("select name from test")
res = self.cu.fetchall()
self.assertEqual(len(res), 1)
res = self.cu.fetchall()
self.assertEqual(res, [])
def test_Setinputsizes(self):
self.cu.setinputsizes([3, 4, 5])
def test_Setoutputsize(self):
self.cu.setoutputsize(5, 0)
def test_SetoutputsizeNoColumn(self):
self.cu.setoutputsize(42)
def test_CursorConnection(self):
# Optional DB-API extension.
self.assertEqual(self.cu.connection, self.cx)
def test_WrongCursorCallable(self):
with self.assertRaises(TypeError):
def f(): pass
cur = self.cx.cursor(f)
def test_CursorWrongClass(self):
class Foo: pass
foo = Foo()
with self.assertRaises(TypeError):
cur = sqlite.Cursor(foo)
def test_LastRowIDOnReplace(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 test_LastRowIDOnIgnore(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 test_LastRowIDInsertOR(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 BlobTests(unittest.TestCase):
def setUp(self):
self.cx = sqlite.connect(":memory:")
self.cx.execute("create table test(id integer primary key, blob_col blob)")
self.blob_data = b"a" * 100
self.cx.execute("insert into test(blob_col) values (?)", (self.blob_data, ))
self.blob = self.cx.open_blob("test", "blob_col", 1)
self.second_data = b"b" * 100
def tearDown(self):
self.blob.close()
self.cx.close()
def test_Length(self):
self.assertEqual(len(self.blob), 100)
def test_Tell(self):
self.assertEqual(self.blob.tell(), 0)
def test_SeekFromBlobStart(self):
self.blob.seek(10)
self.assertEqual(self.blob.tell(), 10)
self.blob.seek(10, 0)
self.assertEqual(self.blob.tell(), 10)
def test_SeekFromCurrentPosition(self):
self.blob.seek(10, 1)
self.blob.seek(10, 1)
self.assertEqual(self.blob.tell(), 20)
def test_SeekFromBlobEnd(self):
self.blob.seek(-10, 2)
self.assertEqual(self.blob.tell(), 90)
def test_BlobSeekOverBlobSize(self):
with self.assertRaises(ValueError):
self.blob.seek(1000)
def test_BlobSeekUnderBlobSize(self):
with self.assertRaises(ValueError):
self.blob.seek(-10)
def test_BlobRead(self):
self.assertEqual(self.blob.read(), self.blob_data)
def test_BlobReadSize(self):
self.assertEqual(len(self.blob.read(10)), 10)
def test_BlobReadAdvanceOffset(self):
self.blob.read(10)
self.assertEqual(self.blob.tell(), 10)
def test_BlobReadStartAtOffset(self):
self.blob.seek(10)
self.blob.write(self.second_data[:10])
self.blob.seek(10)
self.assertEqual(self.blob.read(10), self.second_data[:10])
def test_BlobWrite(self):
self.blob.write(self.second_data)
self.assertEqual(self.cx.execute("select blob_col from test").fetchone()[0], self.second_data)
def test_BlobWriteAtOffset(self):
self.blob.seek(50)
self.blob.write(self.second_data[:50])
self.assertEqual(self.cx.execute("select blob_col from test").fetchone()[0],
self.blob_data[:50] + self.second_data[:50])
def test_BlobWriteAdvanceOffset(self):
self.blob.write(self.second_data[:50])
self.assertEqual(self.blob.tell(), 50)
def test_BlobWriteMoreThenBlobSize(self):
with self.assertRaises(ValueError):
self.blob.write(b"a" * 1000)
def test_BlobReadAfterRowChange(self):
self.cx.execute("UPDATE test SET blob_col='aaaa' where id=1")
with self.assertRaises(sqlite.OperationalError):
self.blob.read()
def test_BlobWriteAfterRowChange(self):
self.cx.execute("UPDATE test SET blob_col='aaaa' where id=1")
with self.assertRaises(sqlite.OperationalError):
self.blob.write(b"aaa")
def test_BlobWriteWhenReadOnly(self):
read_only_blob = \
self.cx.open_blob("test", "blob_col", 1, readonly=True)
with self.assertRaises(sqlite.OperationalError):
read_only_blob.write(b"aaa")
read_only_blob.close()
def test_BlobOpenWithBadDb(self):
with self.assertRaises(sqlite.OperationalError):
self.cx.open_blob("test", "blob_col", 1, dbname="notexisintg")
def test_BlobOpenWithBadTable(self):
with self.assertRaises(sqlite.OperationalError):
self.cx.open_blob("notexisintg", "blob_col", 1)
def test_BlobOpenWithBadColumn(self):
with self.assertRaises(sqlite.OperationalError):
self.cx.open_blob("test", "notexisting", 1)
def test_BlobOpenWithBadRow(self):
with self.assertRaises(sqlite.OperationalError):
self.cx.open_blob("test", "blob_col", 2)
def test_BlobGetItem(self):
self.assertEqual(self.blob[5], b"a")
def test_BlobGetItemIndexOutOfRange(self):
with self.assertRaises(IndexError):
self.blob[105]
with self.assertRaises(IndexError):
self.blob[-105]
def test_BlobGetItemNegativeIndex(self):
self.assertEqual(self.blob[-5], b"a")
def test_BlobGetItemInvalidIndex(self):
with self.assertRaises(TypeError):
self.blob[b"a"]
def test_BlobGetSlice(self):
self.assertEqual(self.blob[5:10], b"aaaaa")
def test_BlobGetSliceNegativeIndex(self):
self.assertEqual(self.blob[5:-5], self.blob_data[5:-5])
def test_BlobGetSliceInvalidIndex(self):
with self.assertRaises(TypeError):
self.blob[5:b"a"]
def test_BlobGetSliceWithSkip(self):
self.blob.write(b"abcdefghij")
self.assertEqual(self.blob[0:10:2], b"acegi")
def test_BlobSetItem(self):
self.blob[0] = b"b"
self.assertEqual(self.cx.execute("select blob_col from test").fetchone()[0], b"b" + self.blob_data[1:])
def test_BlobSetSlice(self):
self.blob[0:5] = b"bbbbb"
self.assertEqual(self.cx.execute("select blob_col from test").fetchone()[0], b"bbbbb" + self.blob_data[5:])
def test_BlobSetSliceWithSkip(self):
self.blob[0:10:2] = b"bbbbb"
self.assertEqual(self.cx.execute("select blob_col from test").fetchone()[0], b"bababababa" + self.blob_data[10:])
def test_BlobGetEmptySlice(self):
self.assertEqual(self.blob[5:5], b"")
def test_BlobSetSliceWrongLength(self):
with self.assertRaises(IndexError):
self.blob[5:10] = b"a"
def test_BlobConcatNotSupported(self):
with self.assertRaises(SystemError):
self.blob + self.blob
def test_BlobRepeateNotSupported(self):
with self.assertRaises(SystemError):
self.blob * 5
def test_BlobContainsNotSupported(self):
with self.assertRaises(SystemError):
b"aaaaa" in self.blob
@unittest.skipUnless(threading, 'This test requires threading.')
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 test_ConCursor(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 test_ConCommit(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 test_ConRollback(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 test_ConClose(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 test_CurImplicitBegin(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 test_CurClose(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 test_CurExecute(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 test_CurIterNext(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 test_Date(self):
d = sqlite.Date(2004, 10, 28)
def test_Time(self):
t = sqlite.Time(12, 39, 35)
def test_Timestamp(self):
ts = sqlite.Timestamp(2004, 10, 28, 12, 39, 35)
def test_DateFromTicks(self):
d = sqlite.DateFromTicks(42)
def test_TimeFromTicks(self):
t = sqlite.TimeFromTicks(42)
def test_TimestampFromTicks(self):
ts = sqlite.TimestampFromTicks(42)
def test_Binary(self):
b = sqlite.Binary(b"\0'")
class ExtensionTests(unittest.TestCase):
def test_ScriptStringSql(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 test_ScriptSyntaxError(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 test_ScriptErrorNormal(self):
con = sqlite.connect(":memory:")
cur = con.cursor()
with self.assertRaises(sqlite.OperationalError):
cur.executescript("create table test(sadfsadfdsa); select foo from hurz;")
def test_CursorExecutescriptAsBytes(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 test_ConnectionExecute(self):
con = sqlite.connect(":memory:")
result = con.execute("select 5").fetchone()[0]
self.assertEqual(result, 5, "Basic test of Connection.execute")
def test_ConnectionExecutemany(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 test_ConnectionExecutescript(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 test_ClosedConCursor(self):
con = sqlite.connect(":memory:")
con.close()
with self.assertRaises(sqlite.ProgrammingError):
cur = con.cursor()
def test_ClosedConCommit(self):
con = sqlite.connect(":memory:")
con.close()
with self.assertRaises(sqlite.ProgrammingError):
con.commit()
def test_ClosedConRollback(self):
con = sqlite.connect(":memory:")
con.close()
with self.assertRaises(sqlite.ProgrammingError):
con.rollback()
def test_ClosedCurExecute(self):
con = sqlite.connect(":memory:")
cur = con.cursor()
con.close()
with self.assertRaises(sqlite.ProgrammingError):
cur.execute("select 4")
def test_ClosedBlobRead(self):
con = sqlite.connect(":memory:")
con.execute("create table test(id integer primary key, blob_col blob)")
con.execute("insert into test(blob_col) values (zeroblob(100))")
blob = con.open_blob("test", "blob_col", 1)
con.close()
with self.assertRaises(sqlite.ProgrammingError):
blob.read()
def test_ClosedCreateFunction(self):
con = sqlite.connect(":memory:")
con.close()
def f(x): return 17
with self.assertRaises(sqlite.ProgrammingError):
con.create_function("foo", 1, f)
def test_ClosedCreateAggregate(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 test_ClosedSetAuthorizer(self):
con = sqlite.connect(":memory:")
con.close()
def authorizer(*args):
return sqlite.DENY
with self.assertRaises(sqlite.ProgrammingError):
con.set_authorizer(authorizer)
def test_ClosedSetProgressCallback(self):
con = sqlite.connect(":memory:")
con.close()
def progress(): pass
with self.assertRaises(sqlite.ProgrammingError):
con.set_progress_handler(progress, 100)
def test_ClosedCall(self):
con = sqlite.connect(":memory:")
con.close()
with self.assertRaises(sqlite.ProgrammingError):
con()
class ClosedCurTests(unittest.TestCase):
def test_Closed(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 SqliteColumnTypeTests(unittest.TestCase):
def setUp(self):
self.cx = sqlite.connect(':memory:')
self.cx.execute('create table test(a TEXT, b datetime)')
self.cx.execute('create view test_view as select * from test')
def test_DeclTypes(self):
curs = self.cx.execute('select * from test')
self.assertEqual(curs.description, (
('a', 'TEXT', None, None, None, None, None),
('b', 'datetime', None, None, None, None, None),
))
curs = self.cx.execute('select * from test_view')
self.assertEqual(curs.description, (
('a', 'TEXT', None, None, None, None, None),
('b', 'datetime', None, None, None, None, None),
))
# Expressions return NULL decltype, reported as None.
curs = self.cx.execute('select b + b as c from test_view')
self.assertEqual(curs.description, (
('c', None, None, None, None, None, None),
))
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 test_OnConflictRollbackWithExplicitTransaction(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 test_OnConflictAbortRaisesWithExplicitTransactions(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 test_OnConflictRollbackWithoutTransaction(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 test_OnConflictAbortRaisesWithoutTransactions(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 test_OnConflictFail(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 test_OnConflictIgnore(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 test_OnConflictReplace(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 ClosedBlobTests(unittest.TestCase):
def setUp(self):
self.cx = sqlite.connect(":memory:")
self.cx.execute("create table test(id integer primary key, blob_col blob)")
self.cx.execute("insert into test(blob_col) values (zeroblob(100))")
def tearDown(self):
self.cx.close()
def test_ClosedRead(self):
self.blob = self.cx.open_blob("test", "blob_col", 1)
self.blob.close()
with self.assertRaises(sqlite.ProgrammingError):
self.blob.read()
def test_ClosedWrite(self):
self.blob = self.cx.open_blob("test", "blob_col", 1)
self.blob.close()
with self.assertRaises(sqlite.ProgrammingError):
self.blob.write(b"aaaaaaaaa")
def test_ClosedSeek(self):
self.blob = self.cx.open_blob("test", "blob_col", 1)
self.blob.close()
with self.assertRaises(sqlite.ProgrammingError):
self.blob.seek(10)
def test_ClosedTell(self):
self.blob = self.cx.open_blob("test", "blob_col", 1)
self.blob.close()
with self.assertRaises(sqlite.ProgrammingError):
self.blob.tell()
def test_ClosedClose(self):
self.blob = self.cx.open_blob("test", "blob_col", 1)
self.blob.close()
with self.assertRaises(sqlite.ProgrammingError):
self.blob.close()
class BlobContextManagerTests(unittest.TestCase):
def setUp(self):
self.cx = sqlite.connect(":memory:")
self.cx.execute("create table test(id integer primary key, blob_col blob)")
self.cx.execute("insert into test(blob_col) values (zeroblob(100))")
def tearDown(self):
self.cx.close()
def test_ContextExecute(self):
data = b"a" * 100
with self.cx.open_blob("test", "blob_col", 1) as blob:
blob.write(data)
self.assertEqual(self.cx.execute("select blob_col from test").fetchone()[0], data)
def test_ContextCloseBlob(self):
with self.cx.open_blob("test", "blob_col", 1) as blob:
blob.seek(10)
with self.assertRaises(sqlite.ProgrammingError):
blob.close()
def suite():
loader = unittest.TestLoader()
tests = [loader.loadTestsFromTestCase(t) for t in (
ModuleTests,
ConnectionTests,
CursorTests,
ThreadTests,
ConstructorTests,
ExtensionTests,
ClosedConTests,
ClosedCurTests,
SqliteColumnTypeTests,
SqliteOnConflictTests,
BlobTests,
ClosedBlobTests,
BlobContextManagerTests)]
return unittest.TestSuite(tests)
def test():
runner = unittest.TextTestRunner()
runner.run(suite())
if __name__ == "__main__":
test()