233 lines
8.6 KiB
Python
233 lines
8.6 KiB
Python
#-*- coding: iso-8859-1 -*-
|
|
# pysqlite2/test/factory.py: tests for the various factories in pysqlite
|
|
#
|
|
# Copyright (C) 2005-2007 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 unittest
|
|
import sqlite3 as sqlite
|
|
|
|
class MyConnection(sqlite.Connection):
|
|
def __init__(self, *args, **kwargs):
|
|
sqlite.Connection.__init__(self, *args, **kwargs)
|
|
|
|
def dict_factory(cursor, row):
|
|
d = {}
|
|
for idx, col in enumerate(cursor.description):
|
|
d[col[0]] = row[idx]
|
|
return d
|
|
|
|
class MyCursor(sqlite.Cursor):
|
|
def __init__(self, *args, **kwargs):
|
|
sqlite.Cursor.__init__(self, *args, **kwargs)
|
|
self.row_factory = dict_factory
|
|
|
|
class ConnectionFactoryTests(unittest.TestCase):
|
|
def setUp(self):
|
|
self.con = sqlite.connect(":memory:", factory=MyConnection)
|
|
|
|
def tearDown(self):
|
|
self.con.close()
|
|
|
|
def CheckIsInstance(self):
|
|
self.assertIsInstance(self.con, MyConnection)
|
|
|
|
class CursorFactoryTests(unittest.TestCase):
|
|
def setUp(self):
|
|
self.con = sqlite.connect(":memory:")
|
|
|
|
def tearDown(self):
|
|
self.con.close()
|
|
|
|
def CheckIsInstance(self):
|
|
cur = self.con.cursor(factory=MyCursor)
|
|
self.assertIsInstance(cur, MyCursor)
|
|
|
|
class RowFactoryTestsBackwardsCompat(unittest.TestCase):
|
|
def setUp(self):
|
|
self.con = sqlite.connect(":memory:")
|
|
|
|
def CheckIsProducedByFactory(self):
|
|
cur = self.con.cursor(factory=MyCursor)
|
|
cur.execute("select 4+5 as foo")
|
|
row = cur.fetchone()
|
|
self.assertIsInstance(row, dict)
|
|
cur.close()
|
|
|
|
def tearDown(self):
|
|
self.con.close()
|
|
|
|
class RowFactoryTests(unittest.TestCase):
|
|
def setUp(self):
|
|
self.con = sqlite.connect(":memory:")
|
|
|
|
def CheckCustomFactory(self):
|
|
self.con.row_factory = lambda cur, row: list(row)
|
|
row = self.con.execute("select 1, 2").fetchone()
|
|
self.assertIsInstance(row, list)
|
|
|
|
def CheckSqliteRowIndex(self):
|
|
self.con.row_factory = sqlite.Row
|
|
row = self.con.execute("select 1 as a, 2 as b").fetchone()
|
|
self.assertIsInstance(row, sqlite.Row)
|
|
|
|
col1, col2 = row["a"], row["b"]
|
|
self.assertEqual(col1, 1, "by name: wrong result for column 'a'")
|
|
self.assertEqual(col2, 2, "by name: wrong result for column 'a'")
|
|
|
|
col1, col2 = row["A"], row["B"]
|
|
self.assertEqual(col1, 1, "by name: wrong result for column 'A'")
|
|
self.assertEqual(col2, 2, "by name: wrong result for column 'B'")
|
|
|
|
col1, col2 = row[0], row[1]
|
|
self.assertEqual(col1, 1, "by index: wrong result for column 0")
|
|
self.assertEqual(col2, 2, "by index: wrong result for column 1")
|
|
|
|
def CheckSqliteRowIter(self):
|
|
"""Checks if the row object is iterable"""
|
|
self.con.row_factory = sqlite.Row
|
|
row = self.con.execute("select 1 as a, 2 as b").fetchone()
|
|
for col in row:
|
|
pass
|
|
|
|
def CheckSqliteRowAsTuple(self):
|
|
"""Checks if the row object can be converted to a tuple"""
|
|
self.con.row_factory = sqlite.Row
|
|
row = self.con.execute("select 1 as a, 2 as b").fetchone()
|
|
t = tuple(row)
|
|
self.assertEqual(t, (row['a'], row['b']))
|
|
|
|
def CheckSqliteRowAsDict(self):
|
|
"""Checks if the row object can be correctly converted to a dictionary"""
|
|
self.con.row_factory = sqlite.Row
|
|
row = self.con.execute("select 1 as a, 2 as b").fetchone()
|
|
d = dict(row)
|
|
self.assertEqual(d["a"], row["a"])
|
|
self.assertEqual(d["b"], row["b"])
|
|
|
|
def CheckSqliteRowHashCmp(self):
|
|
"""Checks if the row object compares and hashes correctly"""
|
|
self.con.row_factory = sqlite.Row
|
|
row_1 = self.con.execute("select 1 as a, 2 as b").fetchone()
|
|
row_2 = self.con.execute("select 1 as a, 2 as b").fetchone()
|
|
row_3 = self.con.execute("select 1 as a, 3 as b").fetchone()
|
|
|
|
self.assertEqual(row_1, row_1)
|
|
self.assertEqual(row_1, row_2)
|
|
self.assertTrue(row_2 != row_3)
|
|
|
|
self.assertFalse(row_1 != row_1)
|
|
self.assertFalse(row_1 != row_2)
|
|
self.assertFalse(row_2 == row_3)
|
|
|
|
self.assertEqual(row_1, row_2)
|
|
self.assertEqual(hash(row_1), hash(row_2))
|
|
self.assertNotEqual(row_1, row_3)
|
|
self.assertNotEqual(hash(row_1), hash(row_3))
|
|
|
|
def tearDown(self):
|
|
self.con.close()
|
|
|
|
class TextFactoryTests(unittest.TestCase):
|
|
def setUp(self):
|
|
self.con = sqlite.connect(":memory:")
|
|
|
|
def CheckUnicode(self):
|
|
austria = "Österreich"
|
|
row = self.con.execute("select ?", (austria,)).fetchone()
|
|
self.assertEqual(type(row[0]), str, "type of row[0] must be unicode")
|
|
|
|
def CheckString(self):
|
|
self.con.text_factory = bytes
|
|
austria = "Österreich"
|
|
row = self.con.execute("select ?", (austria,)).fetchone()
|
|
self.assertEqual(type(row[0]), bytes, "type of row[0] must be bytes")
|
|
self.assertEqual(row[0], austria.encode("utf-8"), "column must equal original data in UTF-8")
|
|
|
|
def CheckCustom(self):
|
|
self.con.text_factory = lambda x: str(x, "utf-8", "ignore")
|
|
austria = "Österreich"
|
|
row = self.con.execute("select ?", (austria,)).fetchone()
|
|
self.assertEqual(type(row[0]), str, "type of row[0] must be unicode")
|
|
self.assertTrue(row[0].endswith("reich"), "column must contain original data")
|
|
|
|
def CheckOptimizedUnicode(self):
|
|
# In py3k, str objects are always returned when text_factory
|
|
# is OptimizedUnicode
|
|
self.con.text_factory = sqlite.OptimizedUnicode
|
|
austria = "Österreich"
|
|
germany = "Deutchland"
|
|
a_row = self.con.execute("select ?", (austria,)).fetchone()
|
|
d_row = self.con.execute("select ?", (germany,)).fetchone()
|
|
self.assertEqual(type(a_row[0]), str, "type of non-ASCII row must be str")
|
|
self.assertEqual(type(d_row[0]), str, "type of ASCII-only row must be str")
|
|
|
|
def tearDown(self):
|
|
self.con.close()
|
|
|
|
class TextFactoryTestsWithEmbeddedZeroBytes(unittest.TestCase):
|
|
def setUp(self):
|
|
self.con = sqlite.connect(":memory:")
|
|
self.con.execute("create table test (value text)")
|
|
self.con.execute("insert into test (value) values (?)", ("a\x00b",))
|
|
|
|
def CheckString(self):
|
|
# text_factory defaults to str
|
|
row = self.con.execute("select value from test").fetchone()
|
|
self.assertIs(type(row[0]), str)
|
|
self.assertEqual(row[0], "a\x00b")
|
|
|
|
def CheckBytes(self):
|
|
self.con.text_factory = bytes
|
|
row = self.con.execute("select value from test").fetchone()
|
|
self.assertIs(type(row[0]), bytes)
|
|
self.assertEqual(row[0], b"a\x00b")
|
|
|
|
def CheckBytearray(self):
|
|
self.con.text_factory = bytearray
|
|
row = self.con.execute("select value from test").fetchone()
|
|
self.assertIs(type(row[0]), bytearray)
|
|
self.assertEqual(row[0], b"a\x00b")
|
|
|
|
def CheckCustom(self):
|
|
# A custom factory should receive a bytes argument
|
|
self.con.text_factory = lambda x: x
|
|
row = self.con.execute("select value from test").fetchone()
|
|
self.assertIs(type(row[0]), bytes)
|
|
self.assertEqual(row[0], b"a\x00b")
|
|
|
|
def tearDown(self):
|
|
self.con.close()
|
|
|
|
def suite():
|
|
connection_suite = unittest.makeSuite(ConnectionFactoryTests, "Check")
|
|
cursor_suite = unittest.makeSuite(CursorFactoryTests, "Check")
|
|
row_suite_compat = unittest.makeSuite(RowFactoryTestsBackwardsCompat, "Check")
|
|
row_suite = unittest.makeSuite(RowFactoryTests, "Check")
|
|
text_suite = unittest.makeSuite(TextFactoryTests, "Check")
|
|
text_zero_bytes_suite = unittest.makeSuite(TextFactoryTestsWithEmbeddedZeroBytes, "Check")
|
|
return unittest.TestSuite((connection_suite, cursor_suite, row_suite_compat, row_suite, text_suite, text_zero_bytes_suite))
|
|
|
|
def test():
|
|
runner = unittest.TextTestRunner()
|
|
runner.run(suite())
|
|
|
|
if __name__ == "__main__":
|
|
test()
|