1
# Copyright (c) 2001-2008 Twisted Matrix Laboratories.
2
# See LICENSE for details.
6
Tests for L{twisted.python.compat}.
11
from twisted.trial import unittest
13
from twisted.python.compat import set, frozenset, reduce
17
class IterableCounter:
18
def __init__(self, lim=0):
27
if self.i >= self.lim:
31
class CompatTestCase(unittest.TestCase):
35
self.assertEquals(d1, d2)
37
self.assertNotEquals(d1, d2)
39
self.assertEquals(d1, d2)
42
self.assertEquals(bool('hi'), True)
43
self.assertEquals(bool(True), True)
44
self.assertEquals(bool(''), False)
45
self.assertEquals(bool(False), False)
47
def testIteration(self):
48
lst1, lst2 = range(10), []
52
self.assertEquals(lst1, lst2)
58
lst2.append(iterable.next())
61
self.assertEquals(lst1, lst2)
64
for i in iter(IterableCounter(10)):
66
self.assertEquals(lst1, lst2)
70
iterable = iter(IterableCounter(10))
72
lst2.append(iterable.next())
75
self.assertEquals(lst1, lst2)
78
for i in iter(IterableCounter(20).next, 10):
80
self.assertEquals(lst1, lst2)
82
def testIsinstance(self):
83
self.assert_(isinstance(u'hi', types.StringTypes))
84
self.assert_(isinstance(self, unittest.TestCase))
85
# I'm pretty sure it's impossible to implement this
86
# without replacing isinstance on 2.2 as well :(
87
# self.assert_(isinstance({}, dict))
90
self.assertEquals(' x '.lstrip(' '), 'x ')
91
self.assertEquals(' x x'.lstrip(' '), 'x x')
92
self.assertEquals(' x '.rstrip(' '), ' x')
93
self.assertEquals('x x '.rstrip(' '), 'x x')
95
self.assertEquals('\t x '.lstrip('\t '), 'x ')
96
self.assertEquals(' \tx x'.lstrip('\t '), 'x x')
97
self.assertEquals(' x\t '.rstrip(' \t'), ' x')
98
self.assertEquals('x x \t'.rstrip(' \t'), 'x x')
100
self.assertEquals('\t x '.strip('\t '), 'x')
101
self.assertEquals(' \tx x'.strip('\t '), 'x x')
102
self.assertEquals(' x\t '.strip(' \t'), 'x')
103
self.assertEquals('x x \t'.strip(' \t'), 'x x')
106
from twisted.python.compat import inet_ntop
108
f = lambda a: inet_ntop(socket.AF_INET6, a)
109
g = lambda a: inet_ntop(socket.AF_INET, a)
111
self.assertEquals('::', f('\x00' * 16))
112
self.assertEquals('::1', f('\x00' * 15 + '\x01'))
114
'aef:b01:506:1001:ffff:9997:55:170',
115
f('\x0a\xef\x0b\x01\x05\x06\x10\x01\xff\xff\x99\x97\x00\x55\x01\x70'))
117
self.assertEquals('1.0.1.0', g('\x01\x00\x01\x00'))
118
self.assertEquals('170.85.170.85', g('\xaa\x55\xaa\x55'))
119
self.assertEquals('255.255.255.255', g('\xff\xff\xff\xff'))
121
self.assertEquals('100::', f('\x01' + '\x00' * 15))
122
self.assertEquals('100::1', f('\x01' + '\x00' * 14 + '\x01'))
125
from twisted.python.compat import inet_pton
127
f = lambda a: inet_pton(socket.AF_INET6, a)
128
g = lambda a: inet_pton(socket.AF_INET, a)
130
self.assertEquals('\x00\x00\x00\x00', g('0.0.0.0'))
131
self.assertEquals('\xff\x00\xff\x00', g('255.0.255.0'))
132
self.assertEquals('\xaa\xaa\xaa\xaa', g('170.170.170.170'))
134
self.assertEquals('\x00' * 16, f('::'))
135
self.assertEquals('\x00' * 16, f('0::0'))
136
self.assertEquals('\x00\x01' + '\x00' * 14, f('1::'))
138
'\x45\xef\x76\xcb\x00\x1a\x56\xef\xaf\xeb\x0b\xac\x19\x24\xae\xae',
139
f('45ef:76cb:1a:56ef:afeb:bac:1924:aeae'))
141
self.assertEquals('\x00' * 14 + '\x00\x01', f('::1'))
142
self.assertEquals('\x00' * 12 + '\x01\x02\x03\x04', f('::1.2.3.4'))
144
'\x00\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x06\x01\x02\x03\xff',
145
f('1:2:3:4:5:6:1.2.3.255'))
147
for badaddr in ['1:2:3:4:5:6:7:8:', ':1:2:3:4:5:6:7:8', '1::2::3',
148
'1:::3', ':::', '1:2', '::1.2', '1.2.3.4::',
149
'abcd:1.2.3.4:abcd:abcd:abcd:abcd:abcd',
150
'1234:1.2.3.4:1234:1234:1234:1234:1234:1234',
152
self.assertRaises(ValueError, f, badaddr)
156
L{set} should behave like the expected set interface.
164
self.assertEquals(b, ['a', 'b', 'c'])
168
self.assertEquals(b, ['a', 'c'])
176
self.assertEquals(b, ['a', 'c', 'r', 's'])
179
def test_frozenset(self):
181
L{frozenset} should behave like the expected frozenset interface.
183
a = frozenset(['a', 'b'])
184
self.assertRaises(AttributeError, getattr, a, "add")
185
self.assertEquals(list(a), ['a', 'b'])
187
b = frozenset(['r', 's'])
191
self.assertEquals(b, ['a', 'b', 'r', 's'])
194
def test_reduce(self):
196
L{reduce} should behave like the builtin reduce.
198
self.assertEquals(15, reduce(lambda x, y: x + y, [1, 2, 3, 4, 5]))
199
self.assertEquals(16, reduce(lambda x, y: x + y, [1, 2, 3, 4, 5], 1))