| 1 | n/a | import errno |
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| 2 | n/a | import os |
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| 3 | n/a | import select |
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| 4 | n/a | import sys |
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| 5 | n/a | import unittest |
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| 6 | n/a | from test import support |
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| 7 | n/a | |
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| 8 | n/a | @unittest.skipIf((sys.platform[:3]=='win'), |
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| 9 | n/a | "can't easily test on this system") |
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| 10 | n/a | class SelectTestCase(unittest.TestCase): |
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| 11 | n/a | |
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| 12 | n/a | class Nope: |
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| 13 | n/a | pass |
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| 14 | n/a | |
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| 15 | n/a | class Almost: |
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| 16 | n/a | def fileno(self): |
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| 17 | n/a | return 'fileno' |
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| 18 | n/a | |
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| 19 | n/a | def test_error_conditions(self): |
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| 20 | n/a | self.assertRaises(TypeError, select.select, 1, 2, 3) |
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| 21 | n/a | self.assertRaises(TypeError, select.select, [self.Nope()], [], []) |
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| 22 | n/a | self.assertRaises(TypeError, select.select, [self.Almost()], [], []) |
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| 23 | n/a | self.assertRaises(TypeError, select.select, [], [], [], "not a number") |
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| 24 | n/a | self.assertRaises(ValueError, select.select, [], [], [], -1) |
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| 25 | n/a | |
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| 26 | n/a | # Issue #12367: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/155606 |
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| 27 | n/a | @unittest.skipIf(sys.platform.startswith('freebsd'), |
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| 28 | n/a | 'skip because of a FreeBSD bug: kern/155606') |
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| 29 | n/a | def test_errno(self): |
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| 30 | n/a | with open(__file__, 'rb') as fp: |
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| 31 | n/a | fd = fp.fileno() |
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| 32 | n/a | fp.close() |
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| 33 | n/a | try: |
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| 34 | n/a | select.select([fd], [], [], 0) |
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| 35 | n/a | except OSError as err: |
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| 36 | n/a | self.assertEqual(err.errno, errno.EBADF) |
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| 37 | n/a | else: |
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| 38 | n/a | self.fail("exception not raised") |
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| 39 | n/a | |
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| 40 | n/a | def test_returned_list_identity(self): |
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| 41 | n/a | # See issue #8329 |
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| 42 | n/a | r, w, x = select.select([], [], [], 1) |
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| 43 | n/a | self.assertIsNot(r, w) |
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| 44 | n/a | self.assertIsNot(r, x) |
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| 45 | n/a | self.assertIsNot(w, x) |
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| 46 | n/a | |
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| 47 | n/a | def test_select(self): |
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| 48 | n/a | cmd = 'for i in 0 1 2 3 4 5 6 7 8 9; do echo testing...; sleep 1; done' |
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| 49 | n/a | p = os.popen(cmd, 'r') |
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| 50 | n/a | for tout in (0, 1, 2, 4, 8, 16) + (None,)*10: |
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| 51 | n/a | if support.verbose: |
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| 52 | n/a | print('timeout =', tout) |
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| 53 | n/a | rfd, wfd, xfd = select.select([p], [], [], tout) |
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| 54 | n/a | if (rfd, wfd, xfd) == ([], [], []): |
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| 55 | n/a | continue |
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| 56 | n/a | if (rfd, wfd, xfd) == ([p], [], []): |
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| 57 | n/a | line = p.readline() |
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| 58 | n/a | if support.verbose: |
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| 59 | n/a | print(repr(line)) |
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| 60 | n/a | if not line: |
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| 61 | n/a | if support.verbose: |
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| 62 | n/a | print('EOF') |
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| 63 | n/a | break |
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| 64 | n/a | continue |
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| 65 | n/a | self.fail('Unexpected return values from select():', rfd, wfd, xfd) |
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| 66 | n/a | p.close() |
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| 67 | n/a | |
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| 68 | n/a | # Issue 16230: Crash on select resized list |
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| 69 | n/a | def test_select_mutated(self): |
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| 70 | n/a | a = [] |
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| 71 | n/a | class F: |
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| 72 | n/a | def fileno(self): |
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| 73 | n/a | del a[-1] |
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| 74 | n/a | return sys.__stdout__.fileno() |
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| 75 | n/a | a[:] = [F()] * 10 |
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| 76 | n/a | self.assertEqual(select.select([], a, []), ([], a[:5], [])) |
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| 77 | n/a | |
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| 78 | n/a | def tearDownModule(): |
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| 79 | n/a | support.reap_children() |
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| 80 | n/a | |
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| 81 | n/a | if __name__ == "__main__": |
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| 82 | n/a | unittest.main() |
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