mirror of
https://github.com/python/cpython.git
synced 2025-10-31 13:41:24 +00:00
415 lines
12 KiB
Python
415 lines
12 KiB
Python
import asyncore
|
|
import unittest
|
|
import select
|
|
import os
|
|
import socket
|
|
import threading
|
|
import sys
|
|
import time
|
|
|
|
from test import test_support
|
|
from test.test_support import TESTFN, run_unittest, unlink
|
|
from StringIO import StringIO
|
|
|
|
HOST = test_support.HOST
|
|
|
|
class dummysocket:
|
|
def __init__(self):
|
|
self.closed = False
|
|
|
|
def close(self):
|
|
self.closed = True
|
|
|
|
def fileno(self):
|
|
return 42
|
|
|
|
class dummychannel:
|
|
def __init__(self):
|
|
self.socket = dummysocket()
|
|
|
|
def close(self):
|
|
self.socket.close()
|
|
|
|
class exitingdummy:
|
|
def __init__(self):
|
|
pass
|
|
|
|
def handle_read_event(self):
|
|
raise asyncore.ExitNow()
|
|
|
|
handle_write_event = handle_read_event
|
|
handle_expt_event = handle_read_event
|
|
|
|
class crashingdummy:
|
|
def __init__(self):
|
|
self.error_handled = False
|
|
|
|
def handle_read_event(self):
|
|
raise Exception()
|
|
|
|
handle_write_event = handle_read_event
|
|
handle_expt_event = handle_read_event
|
|
|
|
def handle_error(self):
|
|
self.error_handled = True
|
|
|
|
# used when testing senders; just collects what it gets until newline is sent
|
|
def capture_server(evt, buf, serv):
|
|
try:
|
|
serv.listen(5)
|
|
conn, addr = serv.accept()
|
|
except socket.timeout:
|
|
pass
|
|
else:
|
|
n = 200
|
|
while n > 0:
|
|
r, w, e = select.select([conn], [], [])
|
|
if r:
|
|
data = conn.recv(10)
|
|
# keep everything except for the newline terminator
|
|
buf.write(data.replace('\n', ''))
|
|
if '\n' in data:
|
|
break
|
|
n -= 1
|
|
time.sleep(0.01)
|
|
|
|
conn.close()
|
|
finally:
|
|
serv.close()
|
|
evt.set()
|
|
|
|
|
|
class HelperFunctionTests(unittest.TestCase):
|
|
def test_readwriteexc(self):
|
|
# Check exception handling behavior of read, write and _exception
|
|
|
|
# check that ExitNow exceptions in the object handler method
|
|
# bubbles all the way up through asyncore read/write/_exception calls
|
|
tr1 = exitingdummy()
|
|
self.assertRaises(asyncore.ExitNow, asyncore.read, tr1)
|
|
self.assertRaises(asyncore.ExitNow, asyncore.write, tr1)
|
|
self.assertRaises(asyncore.ExitNow, asyncore._exception, tr1)
|
|
|
|
# check that an exception other than ExitNow in the object handler
|
|
# method causes the handle_error method to get called
|
|
tr2 = crashingdummy()
|
|
asyncore.read(tr2)
|
|
self.assertEqual(tr2.error_handled, True)
|
|
|
|
tr2 = crashingdummy()
|
|
asyncore.write(tr2)
|
|
self.assertEqual(tr2.error_handled, True)
|
|
|
|
tr2 = crashingdummy()
|
|
asyncore._exception(tr2)
|
|
self.assertEqual(tr2.error_handled, True)
|
|
|
|
# asyncore.readwrite uses constants in the select module that
|
|
# are not present in Windows systems (see this thread:
|
|
# http://mail.python.org/pipermail/python-list/2001-October/109973.html)
|
|
# These constants should be present as long as poll is available
|
|
|
|
if hasattr(select, 'poll'):
|
|
def test_readwrite(self):
|
|
# Check that correct methods are called by readwrite()
|
|
|
|
class testobj:
|
|
def __init__(self):
|
|
self.read = False
|
|
self.write = False
|
|
self.expt = False
|
|
|
|
def handle_read_event(self):
|
|
self.read = True
|
|
|
|
def handle_write_event(self):
|
|
self.write = True
|
|
|
|
def handle_expt_event(self):
|
|
self.expt = True
|
|
|
|
def handle_error(self):
|
|
self.error_handled = True
|
|
|
|
for flag in (select.POLLIN, select.POLLPRI):
|
|
tobj = testobj()
|
|
self.assertEqual(tobj.read, False)
|
|
asyncore.readwrite(tobj, flag)
|
|
self.assertEqual(tobj.read, True)
|
|
|
|
# check that ExitNow exceptions in the object handler method
|
|
# bubbles all the way up through asyncore readwrite call
|
|
tr1 = exitingdummy()
|
|
self.assertRaises(asyncore.ExitNow, asyncore.readwrite, tr1, flag)
|
|
|
|
# check that an exception other than ExitNow in the object handler
|
|
# method causes the handle_error method to get called
|
|
tr2 = crashingdummy()
|
|
asyncore.readwrite(tr2, flag)
|
|
self.assertEqual(tr2.error_handled, True)
|
|
|
|
tobj = testobj()
|
|
self.assertEqual(tobj.write, False)
|
|
asyncore.readwrite(tobj, select.POLLOUT)
|
|
self.assertEqual(tobj.write, True)
|
|
|
|
# check that ExitNow exceptions in the object handler method
|
|
# bubbles all the way up through asyncore readwrite call
|
|
tr1 = exitingdummy()
|
|
self.assertRaises(asyncore.ExitNow, asyncore.readwrite, tr1,
|
|
select.POLLOUT)
|
|
|
|
# check that an exception other than ExitNow in the object handler
|
|
# method causes the handle_error method to get called
|
|
tr2 = crashingdummy()
|
|
asyncore.readwrite(tr2, select.POLLOUT)
|
|
self.assertEqual(tr2.error_handled, True)
|
|
|
|
for flag in (select.POLLERR, select.POLLHUP, select.POLLNVAL):
|
|
tobj = testobj()
|
|
self.assertEqual(tobj.expt, False)
|
|
asyncore.readwrite(tobj, flag)
|
|
self.assertEqual(tobj.expt, True)
|
|
|
|
# check that ExitNow exceptions in the object handler method
|
|
# bubbles all the way up through asyncore readwrite calls
|
|
tr1 = exitingdummy()
|
|
self.assertRaises(asyncore.ExitNow, asyncore.readwrite, tr1, flag)
|
|
|
|
# check that an exception other than ExitNow in the object handler
|
|
# method causes the handle_error method to get called
|
|
tr2 = crashingdummy()
|
|
asyncore.readwrite(tr2, flag)
|
|
self.assertEqual(tr2.error_handled, True)
|
|
|
|
def test_closeall(self):
|
|
self.closeall_check(False)
|
|
|
|
def test_closeall_default(self):
|
|
self.closeall_check(True)
|
|
|
|
def closeall_check(self, usedefault):
|
|
# Check that close_all() closes everything in a given map
|
|
|
|
l = []
|
|
testmap = {}
|
|
for i in range(10):
|
|
c = dummychannel()
|
|
l.append(c)
|
|
self.assertEqual(c.socket.closed, False)
|
|
testmap[i] = c
|
|
|
|
if usedefault:
|
|
socketmap = asyncore.socket_map
|
|
try:
|
|
asyncore.socket_map = testmap
|
|
asyncore.close_all()
|
|
finally:
|
|
testmap, asyncore.socket_map = asyncore.socket_map, socketmap
|
|
else:
|
|
asyncore.close_all(testmap)
|
|
|
|
self.assertEqual(len(testmap), 0)
|
|
|
|
for c in l:
|
|
self.assertEqual(c.socket.closed, True)
|
|
|
|
def test_compact_traceback(self):
|
|
try:
|
|
raise Exception("I don't like spam!")
|
|
except:
|
|
real_t, real_v, real_tb = sys.exc_info()
|
|
r = asyncore.compact_traceback()
|
|
else:
|
|
self.fail("Expected exception")
|
|
|
|
(f, function, line), t, v, info = r
|
|
self.assertEqual(os.path.split(f)[-1], 'test_asyncore.py')
|
|
self.assertEqual(function, 'test_compact_traceback')
|
|
self.assertEqual(t, real_t)
|
|
self.assertEqual(v, real_v)
|
|
self.assertEqual(info, '[%s|%s|%s]' % (f, function, line))
|
|
|
|
|
|
class DispatcherTests(unittest.TestCase):
|
|
def setUp(self):
|
|
pass
|
|
|
|
def tearDown(self):
|
|
asyncore.close_all()
|
|
|
|
def test_basic(self):
|
|
d = asyncore.dispatcher()
|
|
self.assertEqual(d.readable(), True)
|
|
self.assertEqual(d.writable(), True)
|
|
|
|
def test_repr(self):
|
|
d = asyncore.dispatcher()
|
|
self.assertEqual(repr(d), '<asyncore.dispatcher at %#x>' % id(d))
|
|
|
|
def test_log(self):
|
|
d = asyncore.dispatcher()
|
|
|
|
# capture output of dispatcher.log() (to stderr)
|
|
fp = StringIO()
|
|
stderr = sys.stderr
|
|
l1 = "Lovely spam! Wonderful spam!"
|
|
l2 = "I don't like spam!"
|
|
try:
|
|
sys.stderr = fp
|
|
d.log(l1)
|
|
d.log(l2)
|
|
finally:
|
|
sys.stderr = stderr
|
|
|
|
lines = fp.getvalue().splitlines()
|
|
self.assertEquals(lines, ['log: %s' % l1, 'log: %s' % l2])
|
|
|
|
def test_log_info(self):
|
|
d = asyncore.dispatcher()
|
|
|
|
# capture output of dispatcher.log_info() (to stdout via print)
|
|
fp = StringIO()
|
|
stdout = sys.stdout
|
|
l1 = "Have you got anything without spam?"
|
|
l2 = "Why can't she have egg bacon spam and sausage?"
|
|
l3 = "THAT'S got spam in it!"
|
|
try:
|
|
sys.stdout = fp
|
|
d.log_info(l1, 'EGGS')
|
|
d.log_info(l2)
|
|
d.log_info(l3, 'SPAM')
|
|
finally:
|
|
sys.stdout = stdout
|
|
|
|
lines = fp.getvalue().splitlines()
|
|
if __debug__:
|
|
expected = ['EGGS: %s' % l1, 'info: %s' % l2, 'SPAM: %s' % l3]
|
|
else:
|
|
expected = ['EGGS: %s' % l1, 'SPAM: %s' % l3]
|
|
|
|
self.assertEquals(lines, expected)
|
|
|
|
def test_unhandled(self):
|
|
d = asyncore.dispatcher()
|
|
|
|
# capture output of dispatcher.log_info() (to stdout via print)
|
|
fp = StringIO()
|
|
stdout = sys.stdout
|
|
try:
|
|
sys.stdout = fp
|
|
d.handle_expt()
|
|
d.handle_read()
|
|
d.handle_write()
|
|
d.handle_connect()
|
|
d.handle_accept()
|
|
finally:
|
|
sys.stdout = stdout
|
|
|
|
lines = fp.getvalue().splitlines()
|
|
expected = ['warning: unhandled exception',
|
|
'warning: unhandled read event',
|
|
'warning: unhandled write event',
|
|
'warning: unhandled connect event',
|
|
'warning: unhandled accept event']
|
|
self.assertEquals(lines, expected)
|
|
|
|
|
|
|
|
class dispatcherwithsend_noread(asyncore.dispatcher_with_send):
|
|
def readable(self):
|
|
return False
|
|
|
|
def handle_connect(self):
|
|
pass
|
|
|
|
class DispatcherWithSendTests(unittest.TestCase):
|
|
usepoll = False
|
|
|
|
def setUp(self):
|
|
pass
|
|
|
|
def tearDown(self):
|
|
asyncore.close_all()
|
|
|
|
def test_send(self):
|
|
self.evt = threading.Event()
|
|
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
self.sock.settimeout(3)
|
|
self.port = test_support.bind_port(self.sock)
|
|
|
|
cap = StringIO()
|
|
args = (self.evt, cap, self.sock)
|
|
threading.Thread(target=capture_server, args=args).start()
|
|
|
|
# wait a little longer for the server to initialize (it sometimes
|
|
# refuses connections on slow machines without this wait)
|
|
time.sleep(0.2)
|
|
|
|
data = "Suppose there isn't a 16-ton weight?"
|
|
d = dispatcherwithsend_noread()
|
|
d.create_socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
d.connect((HOST, self.port))
|
|
|
|
# give time for socket to connect
|
|
time.sleep(0.1)
|
|
|
|
d.send(data)
|
|
d.send(data)
|
|
d.send('\n')
|
|
|
|
n = 1000
|
|
while d.out_buffer and n > 0:
|
|
asyncore.poll()
|
|
n -= 1
|
|
|
|
self.evt.wait()
|
|
|
|
self.assertEqual(cap.getvalue(), data*2)
|
|
|
|
|
|
class DispatcherWithSendTests_UsePoll(DispatcherWithSendTests):
|
|
usepoll = True
|
|
|
|
if hasattr(asyncore, 'file_wrapper'):
|
|
class FileWrapperTest(unittest.TestCase):
|
|
def setUp(self):
|
|
self.d = "It's not dead, it's sleeping!"
|
|
file(TESTFN, 'w').write(self.d)
|
|
|
|
def tearDown(self):
|
|
unlink(TESTFN)
|
|
|
|
def test_recv(self):
|
|
fd = os.open(TESTFN, os.O_RDONLY)
|
|
w = asyncore.file_wrapper(fd)
|
|
|
|
self.assertNotEqual(w.fd, fd)
|
|
self.assertNotEqual(w.fileno(), fd)
|
|
self.assertEqual(w.recv(13), "It's not dead")
|
|
self.assertEqual(w.read(6), ", it's")
|
|
w.close()
|
|
self.assertRaises(OSError, w.read, 1)
|
|
|
|
def test_send(self):
|
|
d1 = "Come again?"
|
|
d2 = "I want to buy some cheese."
|
|
fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
|
|
w = asyncore.file_wrapper(fd)
|
|
|
|
w.write(d1)
|
|
w.send(d2)
|
|
w.close()
|
|
self.assertEqual(file(TESTFN).read(), self.d + d1 + d2)
|
|
|
|
|
|
def test_main():
|
|
tests = [HelperFunctionTests, DispatcherTests, DispatcherWithSendTests,
|
|
DispatcherWithSendTests_UsePoll]
|
|
if hasattr(asyncore, 'file_wrapper'):
|
|
tests.append(FileWrapperTest)
|
|
|
|
run_unittest(*tests)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|