mirror of https://github.com/python/cpython
220 lines
7.4 KiB
Python
220 lines
7.4 KiB
Python
"""
|
|
Tests for kqueue wrapper.
|
|
"""
|
|
import errno
|
|
import os
|
|
import select
|
|
import socket
|
|
import sys
|
|
import time
|
|
import unittest
|
|
|
|
from test import support
|
|
if not hasattr(select, "kqueue"):
|
|
raise unittest.SkipTest("test works only on BSD")
|
|
|
|
class TestKQueue(unittest.TestCase):
|
|
def test_create_queue(self):
|
|
kq = select.kqueue()
|
|
self.assertTrue(kq.fileno() > 0, kq.fileno())
|
|
self.assertTrue(not kq.closed)
|
|
kq.close()
|
|
self.assertTrue(kq.closed)
|
|
self.assertRaises(ValueError, kq.fileno)
|
|
|
|
def test_create_event(self):
|
|
from operator import lt, le, gt, ge
|
|
|
|
fd = os.open(os.devnull, os.O_WRONLY)
|
|
self.addCleanup(os.close, fd)
|
|
|
|
ev = select.kevent(fd)
|
|
other = select.kevent(1000)
|
|
self.assertEqual(ev.ident, fd)
|
|
self.assertEqual(ev.filter, select.KQ_FILTER_READ)
|
|
self.assertEqual(ev.flags, select.KQ_EV_ADD)
|
|
self.assertEqual(ev.fflags, 0)
|
|
self.assertEqual(ev.data, 0)
|
|
self.assertEqual(ev.udata, 0)
|
|
self.assertEqual(ev, ev)
|
|
self.assertNotEqual(ev, other)
|
|
self.assertTrue(ev < other)
|
|
self.assertTrue(other >= ev)
|
|
for op in lt, le, gt, ge:
|
|
self.assertRaises(TypeError, op, ev, None)
|
|
self.assertRaises(TypeError, op, ev, 1)
|
|
self.assertRaises(TypeError, op, ev, "ev")
|
|
|
|
ev = select.kevent(fd, select.KQ_FILTER_WRITE)
|
|
self.assertEqual(ev.ident, fd)
|
|
self.assertEqual(ev.filter, select.KQ_FILTER_WRITE)
|
|
self.assertEqual(ev.flags, select.KQ_EV_ADD)
|
|
self.assertEqual(ev.fflags, 0)
|
|
self.assertEqual(ev.data, 0)
|
|
self.assertEqual(ev.udata, 0)
|
|
self.assertEqual(ev, ev)
|
|
self.assertNotEqual(ev, other)
|
|
|
|
ev = select.kevent(fd, select.KQ_FILTER_WRITE, select.KQ_EV_ONESHOT)
|
|
self.assertEqual(ev.ident, fd)
|
|
self.assertEqual(ev.filter, select.KQ_FILTER_WRITE)
|
|
self.assertEqual(ev.flags, select.KQ_EV_ONESHOT)
|
|
self.assertEqual(ev.fflags, 0)
|
|
self.assertEqual(ev.data, 0)
|
|
self.assertEqual(ev.udata, 0)
|
|
self.assertEqual(ev, ev)
|
|
self.assertNotEqual(ev, other)
|
|
|
|
ev = select.kevent(1, 2, 3, 4, 5, 6)
|
|
self.assertEqual(ev.ident, 1)
|
|
self.assertEqual(ev.filter, 2)
|
|
self.assertEqual(ev.flags, 3)
|
|
self.assertEqual(ev.fflags, 4)
|
|
self.assertEqual(ev.data, 5)
|
|
self.assertEqual(ev.udata, 6)
|
|
self.assertEqual(ev, ev)
|
|
self.assertNotEqual(ev, other)
|
|
|
|
bignum = 0x7fff
|
|
ev = select.kevent(bignum, 1, 2, 3, bignum - 1, bignum)
|
|
self.assertEqual(ev.ident, bignum)
|
|
self.assertEqual(ev.filter, 1)
|
|
self.assertEqual(ev.flags, 2)
|
|
self.assertEqual(ev.fflags, 3)
|
|
self.assertEqual(ev.data, bignum - 1)
|
|
self.assertEqual(ev.udata, bignum)
|
|
self.assertEqual(ev, ev)
|
|
self.assertNotEqual(ev, other)
|
|
|
|
def test_queue_event(self):
|
|
serverSocket = socket.socket()
|
|
serverSocket.bind(('127.0.0.1', 0))
|
|
serverSocket.listen()
|
|
client = socket.socket()
|
|
client.setblocking(False)
|
|
try:
|
|
client.connect(('127.0.0.1', serverSocket.getsockname()[1]))
|
|
except OSError as e:
|
|
self.assertEqual(e.args[0], errno.EINPROGRESS)
|
|
else:
|
|
#raise AssertionError("Connect should have raised EINPROGRESS")
|
|
pass # FreeBSD doesn't raise an exception here
|
|
server, addr = serverSocket.accept()
|
|
|
|
kq = select.kqueue()
|
|
kq2 = select.kqueue.fromfd(kq.fileno())
|
|
|
|
ev = select.kevent(server.fileno(),
|
|
select.KQ_FILTER_WRITE,
|
|
select.KQ_EV_ADD | select.KQ_EV_ENABLE)
|
|
kq.control([ev], 0)
|
|
ev = select.kevent(server.fileno(),
|
|
select.KQ_FILTER_READ,
|
|
select.KQ_EV_ADD | select.KQ_EV_ENABLE)
|
|
kq.control([ev], 0)
|
|
ev = select.kevent(client.fileno(),
|
|
select.KQ_FILTER_WRITE,
|
|
select.KQ_EV_ADD | select.KQ_EV_ENABLE)
|
|
kq2.control([ev], 0)
|
|
ev = select.kevent(client.fileno(),
|
|
select.KQ_FILTER_READ,
|
|
select.KQ_EV_ADD | select.KQ_EV_ENABLE)
|
|
kq2.control([ev], 0)
|
|
|
|
events = kq.control(None, 4, 1)
|
|
events = set((e.ident, e.filter) for e in events)
|
|
self.assertEqual(events, set([
|
|
(client.fileno(), select.KQ_FILTER_WRITE),
|
|
(server.fileno(), select.KQ_FILTER_WRITE)]))
|
|
|
|
client.send(b"Hello!")
|
|
server.send(b"world!!!")
|
|
|
|
# We may need to call it several times
|
|
for i in range(10):
|
|
events = kq.control(None, 4, 1)
|
|
if len(events) == 4:
|
|
break
|
|
time.sleep(1.0)
|
|
else:
|
|
self.fail('timeout waiting for event notifications')
|
|
|
|
events = set((e.ident, e.filter) for e in events)
|
|
self.assertEqual(events, set([
|
|
(client.fileno(), select.KQ_FILTER_WRITE),
|
|
(client.fileno(), select.KQ_FILTER_READ),
|
|
(server.fileno(), select.KQ_FILTER_WRITE),
|
|
(server.fileno(), select.KQ_FILTER_READ)]))
|
|
|
|
# Remove completely client, and server read part
|
|
ev = select.kevent(client.fileno(),
|
|
select.KQ_FILTER_WRITE,
|
|
select.KQ_EV_DELETE)
|
|
kq.control([ev], 0)
|
|
ev = select.kevent(client.fileno(),
|
|
select.KQ_FILTER_READ,
|
|
select.KQ_EV_DELETE)
|
|
kq.control([ev], 0)
|
|
ev = select.kevent(server.fileno(),
|
|
select.KQ_FILTER_READ,
|
|
select.KQ_EV_DELETE)
|
|
kq.control([ev], 0, 0)
|
|
|
|
events = kq.control([], 4, 0.99)
|
|
events = set((e.ident, e.filter) for e in events)
|
|
self.assertEqual(events, set([
|
|
(server.fileno(), select.KQ_FILTER_WRITE)]))
|
|
|
|
client.close()
|
|
server.close()
|
|
serverSocket.close()
|
|
|
|
def testPair(self):
|
|
kq = select.kqueue()
|
|
a, b = socket.socketpair()
|
|
|
|
a.send(b'foo')
|
|
event1 = select.kevent(a, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
|
|
event2 = select.kevent(b, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
|
|
r = kq.control([event1, event2], 1, 1)
|
|
self.assertTrue(r)
|
|
self.assertFalse(r[0].flags & select.KQ_EV_ERROR)
|
|
self.assertEqual(b.recv(r[0].data), b'foo')
|
|
|
|
a.close()
|
|
b.close()
|
|
kq.close()
|
|
|
|
def test_close(self):
|
|
open_file = open(__file__, "rb")
|
|
self.addCleanup(open_file.close)
|
|
fd = open_file.fileno()
|
|
kqueue = select.kqueue()
|
|
|
|
# test fileno() method and closed attribute
|
|
self.assertIsInstance(kqueue.fileno(), int)
|
|
self.assertFalse(kqueue.closed)
|
|
|
|
# test close()
|
|
kqueue.close()
|
|
self.assertTrue(kqueue.closed)
|
|
self.assertRaises(ValueError, kqueue.fileno)
|
|
|
|
# close() can be called more than once
|
|
kqueue.close()
|
|
|
|
# operations must fail with ValueError("I/O operation on closed ...")
|
|
self.assertRaises(ValueError, kqueue.control, None, 4)
|
|
|
|
def test_fd_non_inheritable(self):
|
|
kqueue = select.kqueue()
|
|
self.addCleanup(kqueue.close)
|
|
self.assertEqual(os.get_inheritable(kqueue.fileno()), False)
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(TestKQueue)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|