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
|
"""
The official python select function test case copied from python source
to test the selector_select function.
"""
import errno
import os
import socket
import sys
import unittest
from kazoo.handlers.utils import selector_select
select = selector_select
@unittest.skipIf(
(sys.platform[:3] == "win"), "can't easily test on this system"
)
class SelectTestCase(unittest.TestCase):
class Nope:
pass
class Almost:
def fileno(self):
return "fileno"
def test_error_conditions(self):
self.assertRaises(TypeError, select, 1, 2, 3)
self.assertRaises(TypeError, select, [self.Nope()], [], [])
self.assertRaises(TypeError, select, [self.Almost()], [], [])
self.assertRaises(TypeError, select, [], [], [], "not a number")
self.assertRaises(ValueError, select, [], [], [], -1)
# Issue #12367: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/155606
@unittest.skipIf(
sys.platform.startswith("freebsd"),
"skip because of a FreeBSD bug: kern/155606",
)
def test_errno(self):
with open(__file__, "rb") as fp:
fd = fp.fileno()
fp.close()
try:
select([fd], [], [], 0)
except OSError as err:
self.assertEqual(err.errno, errno.EBADF)
else:
self.fail("exception not raised")
def test_returned_list_identity(self):
# See issue #8329
r, w, x = select([], [], [], 1)
self.assertIsNot(r, w)
self.assertIsNot(r, x)
self.assertIsNot(w, x)
def test_select(self):
cmd = "for i in 0 1 2 3 4 5 6 7 8 9; do echo testing...; sleep 1; done"
p = os.popen(cmd, "r")
for tout in (0, 1, 2, 4, 8, 16) + (None,) * 10:
rfd, wfd, xfd = select([p], [], [], tout)
if (rfd, wfd, xfd) == ([], [], []):
continue
if (rfd, wfd, xfd) == ([p], [], []):
line = p.readline()
if not line:
break
continue
self.fail("Unexpected return values from select():", rfd, wfd, xfd)
p.close()
# Issue 16230: Crash on select resized list
def test_select_mutated(self):
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
a = []
class F:
def fileno(self):
del a[-1]
return s.fileno()
a[:] = [F()] * 10
self.assertEqual(select([], a, []), ([], a[:5], []))
if __name__ == "__main__":
unittest.main()
|
