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# adapted from CPython: Lib/test/test_kqueue.py
import py
import sys
class AppTestKqueue(object):
spaceconfig = dict(usemodules=["select", "_socket", "posix", "time"])
def setup_class(cls):
if not 'bsd' in sys.platform and \
not sys.platform.startswith('darwin'):
py.test.skip("test requires BSD")
def test_create(self):
import select
kq = select.kqueue()
assert kq.fileno() > 0
assert not kq.closed
kq.close()
assert kq.closed
raises(ValueError, kq.fileno)
def test_create_event(self):
import select
import sys
from operator import lt, le, gt, ge
fd = sys.stderr.fileno()
ev = select.kevent(fd)
other = select.kevent(1000)
assert ev.ident == fd
assert ev.filter == select.KQ_FILTER_READ
assert ev.flags == select.KQ_EV_ADD
assert ev.fflags == 0
assert ev.data == 0
assert ev.udata == 0
assert ev == ev
assert ev != other
assert ev < other
assert other >= ev
assert cmp(ev, None) != 0
assert cmp(ev, 1) != 0
assert cmp(ev, "ev") != 0
assert cmp(ev, None) == -cmp(None, ev)
assert cmp(ev, 1) == -cmp(1, ev)
assert cmp(ev, "ev") == -cmp("ev", ev)
ev = select.kevent(fd, select.KQ_FILTER_WRITE)
assert ev.ident == fd
assert ev.filter == select.KQ_FILTER_WRITE
assert ev.flags == select.KQ_EV_ADD
assert ev.fflags == 0
assert ev.data == 0
assert ev.udata == 0
assert ev == ev
assert ev != other
ev = select.kevent(fd, select.KQ_FILTER_WRITE, select.KQ_EV_ONESHOT)
assert ev.ident == fd
assert ev.filter == select.KQ_FILTER_WRITE
assert ev.flags == select.KQ_EV_ONESHOT
assert ev.fflags == 0
assert ev.data == 0
assert ev.udata == 0
assert ev == ev
assert ev != other
ev = select.kevent(1, 2, 3, 4, 5, 6)
assert ev.ident == 1
assert ev.filter == 2
assert ev.flags == 3
assert ev.fflags == 4
assert ev.data == 5
assert ev.udata == 6
assert ev == ev
assert ev != other
bignum = sys.maxsize * 2 + 1
ev = select.kevent(bignum, 1, 2, 3, sys.maxsize, bignum)
assert ev.ident == bignum
assert ev.filter == 1
assert ev.flags == 2
assert ev.fflags == 3
assert ev.data == sys.maxsize
assert ev.udata == bignum
assert ev == ev
assert ev != other
def test_queue_event(self):
import errno
import select
import socket
import sys
import time
server_socket = socket.socket()
server_socket.bind(("127.0.0.1", 0))
server_socket.listen(1)
client = socket.socket()
client.setblocking(False)
try:
client.connect(("127.0.0.1", server_socket.getsockname()[1]))
except socket.error as e:
assert e.args[0] == errno.EINPROGRESS
else:
#assert False, "EINPROGRESS not raised"
pass # FreeBSD doesn't raise an exception here
# (the above commented-out code is just like CPython's
# test_kqueue)
server, addr = server_socket.accept()
if sys.platform.startswith("darwin"):
flags = select.KQ_EV_ADD | select.KQ_EV_ENABLE
else:
flags = 0
kq1 = select.kqueue()
kq2 = select.kqueue.fromfd(kq1.fileno())
ev = select.kevent(server.fileno(), select.KQ_FILTER_WRITE, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
kq1.control([ev], 0)
ev = select.kevent(server.fileno(), select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
kq1.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 = kq1.control(None, 4, 1)
events = [(e.ident, e.filter, e.flags) for e in events]
events.sort()
assert events == [
(client.fileno(), select.KQ_FILTER_WRITE, flags),
(server.fileno(), select.KQ_FILTER_WRITE, flags),
]
client.send(b"Hello!")
server.send(b"world!!!")
for i in range(10):
events = kq1.control(None, 4, 1)
if len(events) == 4:
break
time.sleep(1.0)
else:
assert False, "timeout waiting for event notification"
events = [(e.ident, e.filter, e.flags) for e in events]
events.sort()
assert events == [
(client.fileno(), select.KQ_FILTER_WRITE, flags),
(client.fileno(), select.KQ_FILTER_READ, flags),
(server.fileno(), select.KQ_FILTER_WRITE, flags),
(server.fileno(), select.KQ_FILTER_READ, flags),
]
ev = select.kevent(client.fileno(), select.KQ_FILTER_WRITE, select.KQ_EV_DELETE)
kq1.control([ev], 0)
ev = select.kevent(client.fileno(), select.KQ_FILTER_READ, select.KQ_EV_DELETE)
kq1.control([ev], 0)
ev = select.kevent(server.fileno(), select.KQ_FILTER_READ, select.KQ_EV_DELETE)
kq1.control([ev], 0, 0)
events = kq1.control([], 4, 0.99)
events = [(e.ident, e.filter, e.flags) for e in events]
events.sort()
assert events == [
(server.fileno(), select.KQ_FILTER_WRITE, flags),
]
client.close()
server.close()
server_socket.close()
def test_pair(self):
import select
import socket
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)
assert r
assert r[0].flags & select.KQ_EV_ERROR == 0
data = b.recv(r[0].data)
assert data == b'foo'
a.close()
b.close()
kq.close()
def test_non_inheritable(self):
import select, posix
kq = select.kqueue()
assert posix.get_inheritable(kq.fileno()) == False
kq.close()
def test_issue30058(self):
import select
import socket
# changelist must be an iterable
kq = select.kqueue()
a, b = socket.socketpair()
ev = select.kevent(a, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
kq.control([ev], 0)
# not a list
kq.control((ev,), 0)
# __len__ is not consistent with __iter__
class BadList:
def __len__(self):
return 0
def __iter__(self):
for i in range(100):
yield ev
kq.control(BadList(), 0)
# doesn't have __len__
kq.control(iter([ev]), 0)
a.close()
b.close()
kq.close()
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