1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
#-*- coding: ISO-8859-1 -*-
# pysqlite2/test/factory.py: tests for the various factories in pysqlite
#
# Copyright (C) 2005 Gerhard Hring <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.failUnless(isinstance(self.con,
MyConnection),
"connection is not instance of 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.failUnless(isinstance(cur,
MyCursor),
"cursor is not instance of 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.failUnless(isinstance(row,
dict),
"row is not instance of 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.failUnless(isinstance(row,
list),
"row is not instance of list")
def CheckSqliteRow(self):
self.con.row_factory = sqlite.Row
row = self.con.execute("select 1 as a, 2 as b").fetchone()
self.failUnless(isinstance(row,
sqlite.Row),
"row is not instance of sqlite.Row")
col1, col2 = row["a"], row["b"]
self.failUnless(col1 == 1, "by name: wrong result for column 'a'")
self.failUnless(col2 == 2, "by name: wrong result for column 'a'")
col1, col2 = row["A"], row["B"]
self.failUnless(col1 == 1, "by name: wrong result for column 'A'")
self.failUnless(col2 == 2, "by name: wrong result for column 'B'")
col1, col2 = row[0], row[1]
self.failUnless(col1 == 1, "by index: wrong result for column 0")
self.failUnless(col2 == 2, "by index: wrong result for column 1")
def tearDown(self):
self.con.close()
class TextFactoryTests(unittest.TestCase):
def setUp(self):
self.con = sqlite.connect(":memory:")
def CheckUnicode(self):
austria = unicode("sterreich", "latin1")
row = self.con.execute("select ?", (austria,)).fetchone()
self.failUnless(type(row[0]) == unicode, "type of row[0] must be unicode")
def CheckString(self):
self.con.text_factory = str
austria = unicode("sterreich", "latin1")
row = self.con.execute("select ?", (austria,)).fetchone()
self.failUnless(type(row[0]) == str, "type of row[0] must be str")
self.failUnless(row[0] == austria.encode("utf-8"), "column must equal original data in UTF-8")
def CheckCustom(self):
self.con.text_factory = lambda x: unicode(x, "utf-8", "ignore")
austria = unicode("sterreich", "latin1")
row = self.con.execute("select ?", (austria.encode("latin1"),)).fetchone()
self.failUnless(type(row[0]) == unicode, "type of row[0] must be unicode")
self.failUnless(row[0].endswith(u"reich"), "column must contain original data")
def CheckOptimizedUnicode(self):
self.con.text_factory = sqlite.OptimizedUnicode
austria = unicode("sterreich", "latin1")
germany = unicode("Deutchland")
a_row = self.con.execute("select ?", (austria,)).fetchone()
d_row = self.con.execute("select ?", (germany,)).fetchone()
self.failUnless(type(a_row[0]) == unicode, "type of non-ASCII row must be unicode")
self.failUnless(type(d_row[0]) == str, "type of ASCII-only row must be str")
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")
return unittest.TestSuite((connection_suite, cursor_suite, row_suite_compat, row_suite, text_suite))
def test():
runner = unittest.TextTestRunner()
runner.run(suite())
if __name__ == "__main__":
test()
|
