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
| import errno
| import os
| import select
| import sys
| import unittest
| from test import support
|
| @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.select, 1, 2, 3)
| self.assertRaises(TypeError, select.select, [self.Nope()], [], [])
| self.assertRaises(TypeError, select.select, [self.Almost()], [], [])
| self.assertRaises(TypeError, select.select, [], [], [], "not a number")
| self.assertRaises(ValueError, select.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.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.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:
| if support.verbose:
| print('timeout =', tout)
| rfd, wfd, xfd = select.select([p], [], [], tout)
| if (rfd, wfd, xfd) == ([], [], []):
| continue
| if (rfd, wfd, xfd) == ([p], [], []):
| line = p.readline()
| if support.verbose:
| print(repr(line))
| if not line:
| if support.verbose:
| print('EOF')
| 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):
| a = []
| class F:
| def fileno(self):
| del a[-1]
| return sys.__stdout__.fileno()
| a[:] = [F()] * 10
| self.assertEqual(select.select([], a, []), ([], a[:5], []))
|
| def tearDownModule():
| support.reap_children()
|
| if __name__ == "__main__":
| unittest.main()
|
|
