Victor Stinner | 21d29c3 | 2011-10-12 21:01:46 +0200 | [diff] [blame] | 1 | import errno |
Barry Warsaw | 792c94a | 1996-12-11 23:58:46 +0000 | [diff] [blame] | 2 | import os |
Victor Stinner | 21d29c3 | 2011-10-12 21:01:46 +0200 | [diff] [blame] | 3 | import select |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 4 | import sys |
Victor Stinner | 21d29c3 | 2011-10-12 21:01:46 +0200 | [diff] [blame] | 5 | import unittest |
| 6 | from test import support |
Barry Warsaw | 792c94a | 1996-12-11 23:58:46 +0000 | [diff] [blame] | 7 | |
Christian Heimes | de0b962 | 2012-11-19 00:59:39 +0100 | [diff] [blame] | 8 | @unittest.skipIf((sys.platform[:3]=='win'), |
Benjamin Peterson | d856ab6 | 2010-04-06 21:55:16 +0000 | [diff] [blame] | 9 | "can't easily test on this system") |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 10 | class SelectTestCase(unittest.TestCase): |
Barry Warsaw | 792c94a | 1996-12-11 23:58:46 +0000 | [diff] [blame] | 11 | |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 12 | class Nope: |
| 13 | pass |
Barry Warsaw | 792c94a | 1996-12-11 23:58:46 +0000 | [diff] [blame] | 14 | |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 15 | class Almost: |
| 16 | def fileno(self): |
| 17 | return 'fileno' |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 18 | |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 19 | def test_error_conditions(self): |
| 20 | self.assertRaises(TypeError, select.select, 1, 2, 3) |
| 21 | self.assertRaises(TypeError, select.select, [self.Nope()], [], []) |
| 22 | self.assertRaises(TypeError, select.select, [self.Almost()], [], []) |
| 23 | self.assertRaises(TypeError, select.select, [], [], [], "not a number") |
Antoine Pitrou | 131a641 | 2011-04-09 23:49:58 +0200 | [diff] [blame] | 24 | self.assertRaises(ValueError, select.select, [], [], [], -1) |
Barry Warsaw | 792c94a | 1996-12-11 23:58:46 +0000 | [diff] [blame] | 25 | |
Victor Stinner | ecd0207 | 2011-10-17 19:55:31 +0200 | [diff] [blame] | 26 | # Issue #12367: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/155606 |
| 27 | @unittest.skipIf(sys.platform.startswith('freebsd'), |
| 28 | 'skip because of a FreeBSD bug: kern/155606') |
Victor Stinner | 21d29c3 | 2011-10-12 21:01:46 +0200 | [diff] [blame] | 29 | def test_errno(self): |
| 30 | with open(__file__, 'rb') as fp: |
| 31 | fd = fp.fileno() |
| 32 | fp.close() |
| 33 | try: |
Victor Stinner | 386c2d8 | 2011-10-16 20:48:52 +0200 | [diff] [blame] | 34 | select.select([fd], [], [], 0) |
Andrew Svetlov | 6d8a122 | 2012-12-17 22:23:46 +0200 | [diff] [blame] | 35 | except OSError as err: |
Victor Stinner | 21d29c3 | 2011-10-12 21:01:46 +0200 | [diff] [blame] | 36 | self.assertEqual(err.errno, errno.EBADF) |
| 37 | else: |
| 38 | self.fail("exception not raised") |
| 39 | |
Benjamin Peterson | d856ab6 | 2010-04-06 21:55:16 +0000 | [diff] [blame] | 40 | def test_returned_list_identity(self): |
| 41 | # See issue #8329 |
| 42 | r, w, x = select.select([], [], [], 1) |
| 43 | self.assertIsNot(r, w) |
| 44 | self.assertIsNot(r, x) |
| 45 | self.assertIsNot(w, x) |
| 46 | |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 47 | def test_select(self): |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 48 | cmd = 'for i in 0 1 2 3 4 5 6 7 8 9; do echo testing...; sleep 1; done' |
| 49 | p = os.popen(cmd, 'r') |
| 50 | for tout in (0, 1, 2, 4, 8, 16) + (None,)*10: |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 51 | if support.verbose: |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 52 | print('timeout =', tout) |
| 53 | rfd, wfd, xfd = select.select([p], [], [], tout) |
| 54 | if (rfd, wfd, xfd) == ([], [], []): |
| 55 | continue |
| 56 | if (rfd, wfd, xfd) == ([p], [], []): |
| 57 | line = p.readline() |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 58 | if support.verbose: |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 59 | print(repr(line)) |
| 60 | if not line: |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 61 | if support.verbose: |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 62 | print('EOF') |
| 63 | break |
| 64 | continue |
| 65 | self.fail('Unexpected return values from select():', rfd, wfd, xfd) |
| 66 | p.close() |
Barry Warsaw | 792c94a | 1996-12-11 23:58:46 +0000 | [diff] [blame] | 67 | |
Antoine Pitrou | e4ad37e | 2012-11-01 20:13:54 +0100 | [diff] [blame] | 68 | # Issue 16230: Crash on select resized list |
| 69 | def test_select_mutated(self): |
| 70 | a = [] |
| 71 | class F: |
| 72 | def fileno(self): |
| 73 | del a[-1] |
| 74 | return sys.__stdout__.fileno() |
| 75 | a[:] = [F()] * 10 |
| 76 | self.assertEqual(select.select([], a, []), ([], a[:5], [])) |
| 77 | |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 78 | def test_main(): |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 79 | support.run_unittest(SelectTestCase) |
| 80 | support.reap_children() |
Neal Norwitz | 1b738e9 | 2002-06-13 22:23:47 +0000 | [diff] [blame] | 81 | |
Christian Heimes | dd15f6c | 2008-03-16 00:07:10 +0000 | [diff] [blame] | 82 | if __name__ == "__main__": |
| 83 | test_main() |