| # pysqlite2/test/dbapi.py: tests for DB-API compliance |
| # |
| # Copyright (C) 2004-2010 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 subprocess |
| import threading |
| import unittest |
| import sqlite3 as sqlite |
| import sys |
| |
| from test.support import check_disallow_instantiation, SHORT_TIMEOUT |
| from test.support.os_helper import TESTFN, unlink |
| |
| |
| class ModuleTests(unittest.TestCase): |
| def test_api_level(self): |
| self.assertEqual(sqlite.apilevel, "2.0", |
| "apilevel is %s, should be 2.0" % sqlite.apilevel) |
| |
| def test_thread_safety(self): |
| self.assertEqual(sqlite.threadsafety, 1, |
| "threadsafety is %d, should be 1" % sqlite.threadsafety) |
| |
| def test_param_style(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_interface_error(self): |
| self.assertTrue(issubclass(sqlite.InterfaceError, sqlite.Error), |
| "InterfaceError is not a subclass of Error") |
| |
| def test_database_error(self): |
| self.assertTrue(issubclass(sqlite.DatabaseError, sqlite.Error), |
| "DatabaseError is not a subclass of Error") |
| |
| def test_data_error(self): |
| self.assertTrue(issubclass(sqlite.DataError, sqlite.DatabaseError), |
| "DataError is not a subclass of DatabaseError") |
| |
| def test_operational_error(self): |
| self.assertTrue(issubclass(sqlite.OperationalError, sqlite.DatabaseError), |
| "OperationalError is not a subclass of DatabaseError") |
| |
| def test_integrity_error(self): |
| self.assertTrue(issubclass(sqlite.IntegrityError, sqlite.DatabaseError), |
| "IntegrityError is not a subclass of DatabaseError") |
| |
| def test_internal_error(self): |
| self.assertTrue(issubclass(sqlite.InternalError, sqlite.DatabaseError), |
| "InternalError is not a subclass of DatabaseError") |
| |
| def test_programming_error(self): |
| self.assertTrue(issubclass(sqlite.ProgrammingError, sqlite.DatabaseError), |
| "ProgrammingError is not a subclass of DatabaseError") |
| |
| def test_not_supported_error(self): |
| self.assertTrue(issubclass(sqlite.NotSupportedError, |
| sqlite.DatabaseError), |
| "NotSupportedError is not a subclass of DatabaseError") |
| |
| # sqlite3_enable_shared_cache() is deprecated on macOS and calling it may raise |
| # OperationalError on some buildbots. |
| @unittest.skipIf(sys.platform == "darwin", "shared cache is deprecated on macOS") |
| def test_shared_cache_deprecated(self): |
| for enable in (True, False): |
| with self.assertWarns(DeprecationWarning) as cm: |
| sqlite.enable_shared_cache(enable) |
| self.assertIn("dbapi.py", cm.filename) |
| |
| def test_disallow_instantiation(self): |
| cx = sqlite.connect(":memory:") |
| check_disallow_instantiation(self, type(cx("select 1"))) |
| |
| |
| 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_commit_after_no_changes(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_rollback_after_no_changes(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_failed_open(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_in_transaction(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_in_transaction_ro(self): |
| with self.assertRaises(AttributeError): |
| self.cx.in_transaction = True |
| |
| def test_open_with_path_like_object(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_open_uri(self): |
| 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)') |
| |
| |
| class UninitialisedConnectionTests(unittest.TestCase): |
| def setUp(self): |
| self.cx = sqlite.Connection.__new__(sqlite.Connection) |
| |
| def test_uninit_operations(self): |
| funcs = ( |
| lambda: self.cx.isolation_level, |
| lambda: self.cx.total_changes, |
| lambda: self.cx.in_transaction, |
| lambda: self.cx.iterdump(), |
| lambda: self.cx.cursor(), |
| lambda: self.cx.close(), |
| ) |
| for func in funcs: |
| with self.subTest(func=func): |
| self.assertRaisesRegex(sqlite.ProgrammingError, |
| "Base Connection.__init__ not called", |
| func) |
| |
| |
| 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_execute_no_args(self): |
| self.cu.execute("delete from test") |
| |
| def test_execute_illegal_sql(self): |
| with self.assertRaises(sqlite.OperationalError): |
| self.cu.execute("select asdf") |
| |
| def test_execute_too_much_sql(self): |
| with self.assertRaises(sqlite.Warning): |
| self.cu.execute("select 5+4; select 4+5") |
| |
| def test_execute_too_much_sql2(self): |
| self.cu.execute("select 5+4; -- foo bar") |
| |
| def test_execute_too_much_sql3(self): |
| self.cu.execute(""" |
| select 5+4; |
| |
| /* |
| foo |
| */ |
| """) |
| |
| def test_execute_wrong_sql_arg(self): |
| with self.assertRaises(TypeError): |
| self.cu.execute(42) |
| |
| def test_execute_arg_int(self): |
| self.cu.execute("insert into test(id) values (?)", (42,)) |
| |
| def test_execute_arg_float(self): |
| self.cu.execute("insert into test(income) values (?)", (2500.32,)) |
| |
| def test_execute_arg_string(self): |
| self.cu.execute("insert into test(name) values (?)", ("Hugo",)) |
| |
| def test_execute_arg_string_with_zero_byte(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_execute_non_iterable(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_execute_wrong_no_of_args1(self): |
| # too many parameters |
| with self.assertRaises(sqlite.ProgrammingError): |
| self.cu.execute("insert into test(id) values (?)", (17, "Egon")) |
| |
| def test_execute_wrong_no_of_args2(self): |
| # too little parameters |
| with self.assertRaises(sqlite.ProgrammingError): |
| self.cu.execute("insert into test(id) values (?)") |
| |
| def test_execute_wrong_no_of_args3(self): |
| # no parameters, parameters are needed |
| with self.assertRaises(sqlite.ProgrammingError): |
| self.cu.execute("insert into test(id) values (?)") |
| |
| def test_execute_param_list(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_execute_param_sequence(self): |
| class L: |
| 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_execute_param_sequence_bad_len(self): |
| # Issue41662: Error in __len__() was overridden with ProgrammingError. |
| class L: |
| def __len__(self): |
| 1/0 |
| def __getitem__(slf, x): |
| raise AssertionError |
| |
| self.cu.execute("insert into test(name) values ('foo')") |
| with self.assertRaises(ZeroDivisionError): |
| self.cu.execute("select name from test where name=?", L()) |
| |
| def test_execute_dict_mapping(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_execute_dict_mapping_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_execute_dict_mapping_too_little_args(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_execute_dict_mapping_no_args(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_execute_dict_mapping_unnamed(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_rowcount_execute(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_rowcount_select(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_rowcount_executemany(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_total_changes(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_execute_many_sequence(self): |
| self.cu.executemany("insert into test(income) values (?)", [(x,) for x in range(100, 110)]) |
| |
| def test_execute_many_iterator(self): |
| class MyIter: |
| def __init__(self): |
| self.value = 5 |
| |
| def __iter__(self): |
| return self |
| |
| 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_execute_many_generator(self): |
| def mygen(): |
| for i in range(5): |
| yield (i,) |
| |
| self.cu.executemany("insert into test(income) values (?)", mygen()) |
| |
| def test_execute_many_wrong_sql_arg(self): |
| with self.assertRaises(TypeError): |
| self.cu.executemany(42, [(3,)]) |
| |
| def test_execute_many_select(self): |
| with self.assertRaises(sqlite.ProgrammingError): |
| self.cu.executemany("select ?", [(3,)]) |
| |
| def test_execute_many_not_iterable(self): |
| with self.assertRaises(TypeError): |
| self.cu.executemany("insert into test(income) values (?)", 42) |
| |
| def test_fetch_iter(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_fetchone_no_statement(self): |
| cur = self.cx.cursor() |
| row = cur.fetchone() |
| self.assertEqual(row, None) |
| |
| def test_array_size(self): |
| # must default to 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_fetchmany_kw_arg(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_setoutputsize_no_column(self): |
| self.cu.setoutputsize(42) |
| |
| def test_cursor_connection(self): |
| # Optional DB-API extension. |
| self.assertEqual(self.cu.connection, self.cx) |
| |
| def test_wrong_cursor_callable(self): |
| with self.assertRaises(TypeError): |
| def f(): pass |
| cur = self.cx.cursor(f) |
| |
| def test_cursor_wrong_class(self): |
| class Foo: pass |
| foo = Foo() |
| with self.assertRaises(TypeError): |
| cur = sqlite.Cursor(foo) |
| |
| def test_last_row_id_on_replace(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_last_row_id_on_ignore(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_last_row_id_insert_o_r(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 test_con_cursor(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_con_commit(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_con_rollback(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_con_close(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_cur_implicit_begin(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_cur_close(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_cur_execute(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_cur_iter_next(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_date_from_ticks(self): |
| d = sqlite.DateFromTicks(42) |
| |
| def test_time_from_ticks(self): |
| t = sqlite.TimeFromTicks(42) |
| |
| def test_timestamp_from_ticks(self): |
| ts = sqlite.TimestampFromTicks(42) |
| |
| def test_binary(self): |
| b = sqlite.Binary(b"\0'") |
| |
| class ExtensionTests(unittest.TestCase): |
| def test_script_string_sql(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_script_syntax_error(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_script_error_normal(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_cursor_executescript_as_bytes(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_connection_execute(self): |
| con = sqlite.connect(":memory:") |
| result = con.execute("select 5").fetchone()[0] |
| self.assertEqual(result, 5, "Basic test of Connection.execute") |
| |
| def test_connection_executemany(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_connection_executescript(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_closed_con_cursor(self): |
| con = sqlite.connect(":memory:") |
| con.close() |
| with self.assertRaises(sqlite.ProgrammingError): |
| cur = con.cursor() |
| |
| def test_closed_con_commit(self): |
| con = sqlite.connect(":memory:") |
| con.close() |
| with self.assertRaises(sqlite.ProgrammingError): |
| con.commit() |
| |
| def test_closed_con_rollback(self): |
| con = sqlite.connect(":memory:") |
| con.close() |
| with self.assertRaises(sqlite.ProgrammingError): |
| con.rollback() |
| |
| def test_closed_cur_execute(self): |
| con = sqlite.connect(":memory:") |
| cur = con.cursor() |
| con.close() |
| with self.assertRaises(sqlite.ProgrammingError): |
| cur.execute("select 4") |
| |
| def test_closed_create_function(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_closed_create_aggregate(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_closed_set_authorizer(self): |
| con = sqlite.connect(":memory:") |
| con.close() |
| def authorizer(*args): |
| return sqlite.DENY |
| with self.assertRaises(sqlite.ProgrammingError): |
| con.set_authorizer(authorizer) |
| |
| def test_closed_set_progress_callback(self): |
| con = sqlite.connect(":memory:") |
| con.close() |
| def progress(): pass |
| with self.assertRaises(sqlite.ProgrammingError): |
| con.set_progress_handler(progress, 100) |
| |
| def test_closed_call(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 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_on_conflict_rollback_with_explicit_transaction(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_on_conflict_abort_raises_with_explicit_transactions(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_on_conflict_rollback_without_transaction(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_on_conflict_abort_raises_without_transactions(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_on_conflict_fail(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_on_conflict_ignore(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_on_conflict_replace(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(): |
| tests = [ |
| ClosedConTests, |
| ClosedCurTests, |
| ConnectionTests, |
| ConstructorTests, |
| CursorTests, |
| ExtensionTests, |
| ModuleTests, |
| MultiprocessTests, |
| SqliteOnConflictTests, |
| ThreadTests, |
| UninitialisedConnectionTests, |
| ] |
| return unittest.TestSuite( |
| [unittest.TestLoader().loadTestsFromTestCase(t) for t in tests] |
| ) |
| |
| def test(): |
| runner = unittest.TextTestRunner() |
| runner.run(suite()) |
| |
| if __name__ == "__main__": |
| test() |
