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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for L{twisted.python.compat}.
"""
import os, tempfile, types, socket
from twisted.trial import unittest
from twisted.python.filepath import FilePath
from twisted.python.compat import set, frozenset, reduce, execfile
class IterableCounter:
def __init__(self, lim=0):
self.lim = lim
self.i = -1
def __iter__(self):
return self
def next(self):
self.i += 1
if self.i >= self.lim:
raise StopIteration
return self.i
class CompatTestCase(unittest.TestCase):
def testDict(self):
d1 = {'a': 'b'}
d2 = dict(d1)
self.assertEqual(d1, d2)
d1['a'] = 'c'
self.assertNotEquals(d1, d2)
d2 = dict(d1.items())
self.assertEqual(d1, d2)
def testBool(self):
self.assertEqual(bool('hi'), True)
self.assertEqual(bool(True), True)
self.assertEqual(bool(''), False)
self.assertEqual(bool(False), False)
def testIteration(self):
lst1, lst2 = range(10), []
for i in iter(lst1):
lst2.append(i)
self.assertEqual(lst1, lst2)
del lst2[:]
try:
iterable = iter(lst1)
while 1:
lst2.append(iterable.next())
except StopIteration:
pass
self.assertEqual(lst1, lst2)
del lst2[:]
for i in iter(IterableCounter(10)):
lst2.append(i)
self.assertEqual(lst1, lst2)
del lst2[:]
try:
iterable = iter(IterableCounter(10))
while 1:
lst2.append(iterable.next())
except StopIteration:
pass
self.assertEqual(lst1, lst2)
del lst2[:]
for i in iter(IterableCounter(20).next, 10):
lst2.append(i)
self.assertEqual(lst1, lst2)
def testIsinstance(self):
"""
The current object is an instance of
unittest.TestCase.
"""
self.assertTrue(isinstance(self, unittest.TestCase))
def testStrip(self):
self.assertEqual(' x '.lstrip(' '), 'x ')
self.assertEqual(' x x'.lstrip(' '), 'x x')
self.assertEqual(' x '.rstrip(' '), ' x')
self.assertEqual('x x '.rstrip(' '), 'x x')
self.assertEqual('\t x '.lstrip('\t '), 'x ')
self.assertEqual(' \tx x'.lstrip('\t '), 'x x')
self.assertEqual(' x\t '.rstrip(' \t'), ' x')
self.assertEqual('x x \t'.rstrip(' \t'), 'x x')
self.assertEqual('\t x '.strip('\t '), 'x')
self.assertEqual(' \tx x'.strip('\t '), 'x x')
self.assertEqual(' x\t '.strip(' \t'), 'x')
self.assertEqual('x x \t'.strip(' \t'), 'x x')
def testNToP(self):
from twisted.python.compat import inet_ntop
f = lambda a: inet_ntop(socket.AF_INET6, a)
g = lambda a: inet_ntop(socket.AF_INET, a)
self.assertEqual('::', f('\x00' * 16))
self.assertEqual('::1', f('\x00' * 15 + '\x01'))
self.assertEqual(
'aef:b01:506:1001:ffff:9997:55:170',
f('\x0a\xef\x0b\x01\x05\x06\x10\x01\xff\xff\x99\x97\x00\x55\x01\x70'))
self.assertEqual('1.0.1.0', g('\x01\x00\x01\x00'))
self.assertEqual('170.85.170.85', g('\xaa\x55\xaa\x55'))
self.assertEqual('255.255.255.255', g('\xff\xff\xff\xff'))
self.assertEqual('100::', f('\x01' + '\x00' * 15))
self.assertEqual('100::1', f('\x01' + '\x00' * 14 + '\x01'))
def testPToN(self):
from twisted.python.compat import inet_pton
f = lambda a: inet_pton(socket.AF_INET6, a)
g = lambda a: inet_pton(socket.AF_INET, a)
self.assertEqual('\x00\x00\x00\x00', g('0.0.0.0'))
self.assertEqual('\xff\x00\xff\x00', g('255.0.255.0'))
self.assertEqual('\xaa\xaa\xaa\xaa', g('170.170.170.170'))
self.assertEqual('\x00' * 16, f('::'))
self.assertEqual('\x00' * 16, f('0::0'))
self.assertEqual('\x00\x01' + '\x00' * 14, f('1::'))
self.assertEqual(
'\x45\xef\x76\xcb\x00\x1a\x56\xef\xaf\xeb\x0b\xac\x19\x24\xae\xae',
f('45ef:76cb:1a:56ef:afeb:bac:1924:aeae'))
self.assertEqual('\x00' * 14 + '\x00\x01', f('::1'))
self.assertEqual('\x00' * 12 + '\x01\x02\x03\x04', f('::1.2.3.4'))
self.assertEqual(
'\x00\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x06\x01\x02\x03\xff',
f('1:2:3:4:5:6:1.2.3.255'))
for badaddr in ['1:2:3:4:5:6:7:8:', ':1:2:3:4:5:6:7:8', '1::2::3',
'1:::3', ':::', '1:2', '::1.2', '1.2.3.4::',
'abcd:1.2.3.4:abcd:abcd:abcd:abcd:abcd',
'1234:1.2.3.4:1234:1234:1234:1234:1234:1234',
'1.2.3.4']:
self.assertRaises(ValueError, f, badaddr)
def test_set(self):
"""
L{set} should behave like the expected set interface.
"""
a = set()
a.add('b')
a.add('c')
a.add('a')
b = list(a)
b.sort()
self.assertEqual(b, ['a', 'b', 'c'])
a.remove('b')
b = list(a)
b.sort()
self.assertEqual(b, ['a', 'c'])
a.discard('d')
b = set(['r', 's'])
d = a.union(b)
b = list(d)
b.sort()
self.assertEqual(b, ['a', 'c', 'r', 's'])
def test_frozenset(self):
"""
L{frozenset} should behave like the expected frozenset interface.
"""
a = frozenset(['a', 'b'])
self.assertRaises(AttributeError, getattr, a, "add")
self.assertEqual(sorted(a), ['a', 'b'])
b = frozenset(['r', 's'])
d = a.union(b)
b = list(d)
b.sort()
self.assertEqual(b, ['a', 'b', 'r', 's'])
def test_reduce(self):
"""
L{reduce} should behave like the builtin reduce.
"""
self.assertEqual(15, reduce(lambda x, y: x + y, [1, 2, 3, 4, 5]))
self.assertEqual(16, reduce(lambda x, y: x + y, [1, 2, 3, 4, 5], 1))
class ExecfileCompatTestCase(unittest.TestCase):
"""
Tests for the Python 3-friendly L{execfile} implementation.
"""
def writeScript(self, content):
"""
Write L{content} to a new temporary file, returning the L{FilePath}
for the new file.
"""
script = FilePath(self.mktemp())
script.setContent(content.encode("ascii"))
return script
def test_execfileGlobals(self):
"""
L{execfile} executes the specified file in the given global namespace.
"""
script = self.writeScript("foo += 1\n")
globalNamespace = {"foo": 1}
execfile(script.path, globalNamespace)
self.assertEqual(2, globalNamespace["foo"])
def test_execfileGlobalsAndLocals(self):
"""
L{execfile} executes the specified file in the given global and local
namespaces.
"""
script = self.writeScript("foo += 1\n")
globalNamespace = {"foo": 10}
localNamespace = {"foo": 20}
execfile(script.path, globalNamespace, localNamespace)
self.assertEqual(10, globalNamespace["foo"])
self.assertEqual(21, localNamespace["foo"])
def test_execfileUniversalNewlines(self):
"""
L{execfile} reads in the specified file using universal newlines so
that scripts written on one platform will work on another.
"""
for lineEnding in "\n", "\r", "\r\n":
script = self.writeScript("foo = 'okay'" + lineEnding)
globalNamespace = {"foo": None}
execfile(script.path, globalNamespace)
self.assertEqual("okay", globalNamespace["foo"])
|
