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Viewing changes to Lib/test/test_select.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-13 12:51:00 UTC
  • Revision ID: james.westby@ubuntu.com-20090213125100-uufgcb9yeqzujpqw
Tags: upstream-2.6.1
Import upstream version 2.6.1

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Lib/test/test_select.py
 
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from test import test_support
 
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import unittest
 
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import select
 
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import os
 
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import sys
 
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class SelectTestCase(unittest.TestCase):
 
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    class Nope:
 
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        pass
 
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    class Almost:
 
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        def fileno(self):
 
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            return 'fileno'
 
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    def test_error_conditions(self):
 
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        self.assertRaises(TypeError, select.select, 1, 2, 3)
 
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        self.assertRaises(TypeError, select.select, [self.Nope()], [], [])
 
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        self.assertRaises(TypeError, select.select, [self.Almost()], [], [])
 
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        self.assertRaises(TypeError, select.select, [], [], [], "not a number")
 
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    def test_select(self):
 
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        if sys.platform[:3] in ('win', 'mac', 'os2', 'riscos'):
 
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            if test_support.verbose:
 
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                print "Can't test select easily on", sys.platform
 
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            return
 
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        cmd = 'for i in 0 1 2 3 4 5 6 7 8 9; do echo testing...; sleep 1; done'
 
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        p = os.popen(cmd, 'r')
 
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        for tout in (0, 1, 2, 4, 8, 16) + (None,)*10:
 
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            if test_support.verbose:
 
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                print 'timeout =', tout
 
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            rfd, wfd, xfd = select.select([p], [], [], tout)
 
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            if (rfd, wfd, xfd) == ([], [], []):
 
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                continue
 
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            if (rfd, wfd, xfd) == ([p], [], []):
 
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                line = p.readline()
 
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                if test_support.verbose:
 
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                    print repr(line)
 
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                if not line:
 
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                    if test_support.verbose:
 
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                        print 'EOF'
 
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                    break
 
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                continue
 
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            self.fail('Unexpected return values from select():', rfd, wfd, xfd)
 
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        p.close()
 
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def test_main():
 
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    test_support.run_unittest(SelectTestCase)
 
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    test_support.reap_children()
 
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if __name__ == "__main__":
 
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    test_main()