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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ#-*- coding: iso-8859-1 -*- # pysqlite2/test/types.py: tests for type conversion and detection # # Copyright (C) 2005 Gerhard Hring # # 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 try: import zlib except ImportError: zlib = None class SqliteTypeTests(unittest.TestCase): def setUp(self): self.con = sqlite.connect(":memory:") self.cur = self.con.cursor() self.cur.execute("create table test(i integer, s varchar, f number, b blob)") def tearDown(self): self.cur.close() self.con.close() def CheckString(self): self.cur.execute("insert into test(s) values (?)", ("sterreich",)) self.cur.execute("select s from test") row = self.cur.fetchone() self.assertEqual(row[0], "sterreich") def CheckSmallInt(self): self.cur.execute("insert into test(i) values (?)", (42,)) self.cur.execute("select i from test") row = self.cur.fetchone() self.assertEqual(row[0], 42) def CheckLargeInt(self): num = 2**40 self.cur.execute("insert into test(i) values (?)", (num,)) self.cur.execute("select i from test") row = self.cur.fetchone() self.assertEqual(row[0], num) def CheckFloat(self): val = 3.14 self.cur.execute("insert into test(f) values (?)", (val,)) self.cur.execute("select f from test") row = self.cur.fetchone() self.assertEqual(row[0], val) def CheckBlob(self): sample = b"Guglhupf" val = memoryview(sample) self.cur.execute("insert into test(b) values (?)", (val,)) self.cur.execute("select b from test") row = self.cur.fetchone() self.assertEqual(row[0], sample) def CheckUnicodeExecute(self): self.cur.execute("select 'sterreich'") row = self.cur.fetchone() self.assertEqual(row[0], "sterreich") class DeclTypesTests(unittest.TestCase): class Foo: def __init__(self, _val): if isinstance(_val, bytes): # sqlite3 always calls __init__ with a bytes created from a # UTF-8 string when __conform__ was used to store the object. _val = _val.decode('utf-8') self.val = _val def __eq__(self, other): if not isinstance(other, DeclTypesTests.Foo): return NotImplemented return self.val == other.val def __conform__(self, protocol): if protocol is sqlite.PrepareProtocol: return self.val else: return None def __str__(self): return "<%s>" % self.val class BadConform: def __init__(self, exc): self.exc = exc def __conform__(self, protocol): raise self.exc def setUp(self): self.con = sqlite.connect(":memory:", detect_types=sqlite.PARSE_DECLTYPES) self.cur = self.con.cursor() self.cur.execute("create table test(i int, s str, f float, b bool, u unicode, foo foo, bin blob, n1 number, n2 number(5), bad bad)") # override float, make them always return the same number sqlite.converters["FLOAT"] = lambda x: 47.2 # and implement two custom ones sqlite.converters["BOOL"] = lambda x: bool(int(x)) sqlite.converters["FOO"] = DeclTypesTests.Foo sqlite.converters["BAD"] = DeclTypesTests.BadConform sqlite.converters["WRONG"] = lambda x: "WRONG" sqlite.converters["NUMBER"] = float def tearDown(self): del sqlite.converters["FLOAT"] del sqlite.converters["BOOL"] del sqlite.converters["FOO"] del sqlite.converters["BAD"] del sqlite.converters["WRONG"] del sqlite.converters["NUMBER"] self.cur.close() self.con.close() def CheckString(self): # default self.cur.execute("insert into test(s) values (?)", ("foo",)) self.cur.execute('select s as "s [WRONG]" from test') row = self.cur.fetchone() self.assertEqual(row[0], "foo") def CheckSmallInt(self): # default self.cur.execute("insert into test(i) values (?)", (42,)) self.cur.execute("select i from test") row = self.cur.fetchone() self.assertEqual(row[0], 42) def CheckLargeInt(self): # default num = 2**40 self.cur.execute("insert into test(i) values (?)", (num,)) self.cur.execute("select i from test") row = self.cur.fetchone() self.assertEqual(row[0], num) def CheckFloat(self): # custom val = 3.14 self.cur.execute("insert into test(f) values (?)", (val,)) self.cur.execute("select f from test") row = self.cur.fetchone() self.assertEqual(row[0], 47.2) def CheckBool(self): # custom self.cur.execute("insert into test(b) values (?)", (False,)) self.cur.execute("select b from test") row = self.cur.fetchone() self.assertIs(row[0], False) self.cur.execute("delete from test") self.cur.execute("insert into test(b) values (?)", (True,)) self.cur.execute("select b from test") row = self.cur.fetchone() self.assertIs(row[0], True) def CheckUnicode(self): # default val = "\xd6sterreich" self.cur.execute("insert into test(u) values (?)", (val,)) self.cur.execute("select u from test") row = self.cur.fetchone() self.assertEqual(row[0], val) def CheckFoo(self): val = DeclTypesTests.Foo("bla") self.cur.execute("insert into test(foo) values (?)", (val,)) self.cur.execute("select foo from test") row = self.cur.fetchone() self.assertEqual(row[0], val) def CheckErrorInConform(self): val = DeclTypesTests.BadConform(TypeError) with self.assertRaises(sqlite.InterfaceError): self.cur.execute("insert into test(bad) values (?)", (val,)) with self.assertRaises(sqlite.InterfaceError): self.cur.execute("insert into test(bad) values (:val)", {"val": val}) val = DeclTypesTests.BadConform(KeyboardInterrupt) with self.assertRaises(KeyboardInterrupt): self.cur.execute("insert into test(bad) values (?)", (val,)) with self.assertRaises(KeyboardInterrupt): self.cur.execute("insert into test(bad) values (:val)", {"val": val}) def CheckUnsupportedSeq(self): class Bar: pass val = Bar() with self.assertRaises(sqlite.InterfaceError): self.cur.execute("insert into test(f) values (?)", (val,)) def CheckUnsupportedDict(self): class Bar: pass val = Bar() with self.assertRaises(sqlite.InterfaceError): self.cur.execute("insert into test(f) values (:val)", {"val": val}) def CheckBlob(self): # default sample = b"Guglhupf" val = memoryview(sample) self.cur.execute("insert into test(bin) values (?)", (val,)) self.cur.execute("select bin from test") row = self.cur.fetchone() self.assertEqual(row[0], sample) def CheckNumber1(self): self.cur.execute("insert into test(n1) values (5)") value = self.cur.execute("select n1 from test").fetchone()[0] # if the converter is not used, it's an int instead of a float self.assertEqual(type(value), float) def CheckNumber2(self): """Checks whether converter names are cut off at '(' characters""" self.cur.execute("insert into test(n2) values (5)") value = self.cur.execute("select n2 from test").fetchone()[0] # if the converter is not used, it's an int instead of a float self.assertEqual(type(value), float) class ColNamesTests(unittest.TestCase): def setUp(self): self.con = sqlite.connect(":memory:", detect_types=sqlite.PARSE_COLNAMES) self.cur = self.con.cursor() self.cur.execute("create table test(x foo)") sqlite.converters["FOO"] = lambda x: "[%s]" % x.decode("ascii") sqlite.converters["BAR"] = lambda x: "<%s>" % x.decode("ascii") sqlite.converters["EXC"] = lambda x: 5/0 sqlite.converters["B1B1"] = lambda x: "MARKER" def tearDown(self): del sqlite.converters["FOO"] del sqlite.converters["BAR"] del sqlite.converters["EXC"] del sqlite.converters["B1B1"] self.cur.close() self.con.close() def CheckDeclTypeNotUsed(self): """ Assures that the declared type is not used when PARSE_DECLTYPES is not set. """ self.cur.execute("insert into test(x) values (?)", ("xxx",)) self.cur.execute("select x from test") val = self.cur.fetchone()[0] self.assertEqual(val, "xxx") def CheckNone(self): self.cur.execute("insert into test(x) values (?)", (None,)) self.cur.execute("select x from test") val = self.cur.fetchone()[0] self.assertEqual(val, None) def CheckColName(self): self.cur.execute("insert into test(x) values (?)", ("xxx",)) self.cur.execute('select x as "x y [bar]" from test') val = self.cur.fetchone()[0] self.assertEqual(val, "") # Check if the stripping of colnames works. Everything after the first # '[' (and the preceeding space) should be stripped. self.assertEqual(self.cur.description[0][0], "x y") def CheckCaseInConverterName(self): self.cur.execute("select 'other' as \"x [b1b1]\"") val = self.cur.fetchone()[0] self.assertEqual(val, "MARKER") def CheckCursorDescriptionNoRow(self): """ cursor.description should at least provide the column name(s), even if no row returned. """ self.cur.execute("select * from test where 0 = 1") self.assertEqual(self.cur.description[0][0], "x") def CheckCursorDescriptionInsert(self): self.cur.execute("insert into test values (1)") self.assertIsNone(self.cur.description) @unittest.skipIf(sqlite.sqlite_version_info < (3, 8, 3), "CTEs not supported") class CommonTableExpressionTests(unittest.TestCase): def setUp(self): self.con = sqlite.connect(":memory:") self.cur = self.con.cursor() self.cur.execute("create table test(x foo)") def tearDown(self): self.cur.close() self.con.close() def CheckCursorDescriptionCTESimple(self): self.cur.execute("with one as (select 1) select * from one") self.assertIsNotNone(self.cur.description) self.assertEqual(self.cur.description[0][0], "1") def CheckCursorDescriptionCTESMultipleColumns(self): self.cur.execute("insert into test values(1)") self.cur.execute("insert into test values(2)") self.cur.execute("with testCTE as (select * from test) select * from testCTE") self.assertIsNotNone(self.cur.description) self.assertEqual(self.cur.description[0][0], "x") def CheckCursorDescriptionCTE(self): self.cur.execute("insert into test values (1)") self.cur.execute("with bar as (select * from test) select * from test where x = 1") self.assertIsNotNone(self.cur.description) self.assertEqual(self.cur.description[0][0], "x") self.cur.execute("with bar as (select * from test) select * from test where x = 2") self.assertIsNotNone(self.cur.description) self.assertEqual(self.cur.description[0][0], "x") class ObjectAdaptationTests(unittest.TestCase): def cast(obj): return float(obj) cast = staticmethod(cast) def setUp(self): self.con = sqlite.connect(":memory:") try: del sqlite.adapters[int] except: pass sqlite.register_adapter(int, ObjectAdaptationTests.cast) self.cur = self.con.cursor() def tearDown(self): del sqlite.adapters[(int, sqlite.PrepareProtocol)] self.cur.close() self.con.close() def CheckCasterIsUsed(self): self.cur.execute("select ?", (4,)) val = self.cur.fetchone()[0] self.assertEqual(type(val), float) @unittest.skipUnless(zlib, "requires zlib") class BinaryConverterTests(unittest.TestCase): def convert(s): return zlib.decompress(s) convert = staticmethod(convert) def setUp(self): self.con = sqlite.connect(":memory:", detect_types=sqlite.PARSE_COLNAMES) sqlite.register_converter("bin", BinaryConverterTests.convert) def tearDown(self): self.con.close() def CheckBinaryInputForConverter(self): testdata = b"abcdefg" * 10 result = self.con.execute('select ? as "x [bin]"', (memoryview(zlib.compress(testdata)),)).fetchone()[0] self.assertEqual(testdata, result) class DateTimeTests(unittest.TestCase): def setUp(self): self.con = sqlite.connect(":memory:", detect_types=sqlite.PARSE_DECLTYPES) self.cur = self.con.cursor() self.cur.execute("create table test(d date, ts timestamp)") def tearDown(self): self.cur.close() self.con.close() def CheckSqliteDate(self): d = sqlite.Date(2004, 2, 14) self.cur.execute("insert into test(d) values (?)", (d,)) self.cur.execute("select d from test") d2 = self.cur.fetchone()[0] self.assertEqual(d, d2) def CheckSqliteTimestamp(self): ts = sqlite.Timestamp(2004, 2, 14, 7, 15, 0) self.cur.execute("insert into test(ts) values (?)", (ts,)) self.cur.execute("select ts from test") ts2 = self.cur.fetchone()[0] self.assertEqual(ts, ts2) @unittest.skipIf(sqlite.sqlite_version_info < (3, 1), 'the date functions are available on 3.1 or later') def CheckSqlTimestamp(self): now = datetime.datetime.utcnow() self.cur.execute("insert into test(ts) values (current_timestamp)") self.cur.execute("select ts from test") ts = self.cur.fetchone()[0] self.assertEqual(type(ts), datetime.datetime) self.assertEqual(ts.year, now.year) def CheckDateTimeSubSeconds(self): ts = sqlite.Timestamp(2004, 2, 14, 7, 15, 0, 500000) self.cur.execute("insert into test(ts) values (?)", (ts,)) self.cur.execute("select ts from test") ts2 = self.cur.fetchone()[0] self.assertEqual(ts, ts2) def CheckDateTimeSubSecondsFloatingPoint(self): ts = sqlite.Timestamp(2004, 2, 14, 7, 15, 0, 510241) self.cur.execute("insert into test(ts) values (?)", (ts,)) self.cur.execute("select ts from test") ts2 = self.cur.fetchone()[0] self.assertEqual(ts, ts2) def suite(): sqlite_type_suite = unittest.makeSuite(SqliteTypeTests, "Check") decltypes_type_suite = unittest.makeSuite(DeclTypesTests, "Check") colnames_type_suite = unittest.makeSuite(ColNamesTests, "Check") adaptation_suite = unittest.makeSuite(ObjectAdaptationTests, "Check") bin_suite = unittest.makeSuite(BinaryConverterTests, "Check") date_suite = unittest.makeSuite(DateTimeTests, "Check") cte_suite = unittest.makeSuite(CommonTableExpressionTests, "Check") return unittest.TestSuite((sqlite_type_suite, decltypes_type_suite, colnames_type_suite, adaptation_suite, bin_suite, date_suite, cte_suite)) def test(): runner = unittest.TextTestRunner() runner.run(suite()) if __name__ == "__main__": test()