mirror of
https://github.com/python/cpython.git
synced 2024-12-15 12:54:31 +08:00
58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
from test import support
|
|
import unittest
|
|
import select
|
|
import os
|
|
import sys
|
|
|
|
@unittest.skipIf(sys.platform[:3] in ('win', 'os2', 'riscos'),
|
|
"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")
|
|
|
|
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()
|
|
|
|
def test_main():
|
|
support.run_unittest(SelectTestCase)
|
|
support.reap_children()
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|