cpython/Lib/test/test_socket_ssl.py

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# Test just the SSL support in the socket module, in a moderately bogus way.
import sys
import unittest
from test import test_support
import socket
import errno
import threading
import subprocess
import time
# Optionally test SSL support, if we have it in the tested platform
skip_expected = not hasattr(socket, "ssl")
class ConnectedTests(unittest.TestCase):
def testBasic(self):
import urllib
if test_support.verbose:
print "test_basic ..."
socket.RAND_status()
try:
socket.RAND_egd(1)
except TypeError:
pass
else:
print "didn't raise TypeError"
socket.RAND_add("this is a random string", 75.0)
with test_support.transient_internet():
f = urllib.urlopen('https://sf.net')
buf = f.read()
f.close()
def testTimeout(self):
def error_msg(extra_msg):
print >> sys.stderr, """\
WARNING: an attempt to connect to %r %s, in
test_timeout. That may be legitimate, but is not the outcome we
hoped for. If this message is seen often, test_timeout should be
changed to use a more reliable address.""" % (ADDR, extra_msg)
if test_support.verbose:
print "test_timeout ..."
# A service which issues a welcome banner (without need to write
# anything).
# XXX ("gmail.org", 995) has been unreliable so far, from time to
# XXX time non-responsive for hours on end (& across all buildbot
# XXX slaves, so that's not just a local thing).
ADDR = "gmail.org", 995
s = socket.socket()
s.settimeout(30.0)
try:
s.connect(ADDR)
except socket.timeout:
error_msg('timed out')
return
except socket.error, exc: # In case connection is refused.
if exc.args[0] == errno.ECONNREFUSED:
error_msg('was refused')
return
else:
raise
ss = socket.ssl(s)
# Read part of return welcome banner twice.
ss.read(1)
ss.read(1)
s.close()
class BasicTests(unittest.TestCase):
def testRudeShutdown(self):
if test_support.verbose:
print "test_rude_shutdown ..."
# Some random port to connect to.
PORT = [9934]
listener_ready = threading.Event()
listener_gone = threading.Event()
# `listener` runs in a thread. It opens a socket listening on
# PORT, and sits in an accept() until the main thread connects.
# Then it rudely closes the socket, and sets Event `listener_gone`
# to let the main thread know the socket is gone.
def listener():
s = socket.socket()
PORT[0] = test_support.bind_port(s, '', PORT[0])
s.listen(5)
listener_ready.set()
s.accept()
s = None # reclaim the socket object, which also closes it
listener_gone.set()
def connector():
listener_ready.wait()
s = socket.socket()
s.connect(('localhost', PORT[0]))
listener_gone.wait()
try:
ssl_sock = socket.ssl(s)
except socket.sslerror:
pass
else:
raise test_support.TestFailed(
'connecting to closed SSL socket should have failed')
t = threading.Thread(target=listener)
t.start()
connector()
t.join()
def test_main():
if not hasattr(socket, "ssl"):
raise test_support.TestSkipped("socket module has no ssl support")
tests = [BasicTests]
if test_support.is_resource_enabled('network'):
tests.append(ConnectedTests)
thread_info = test_support.threading_setup()
test_support.run_unittest(*tests)
test_support.threading_cleanup(*thread_info)
if __name__ == "__main__":
test_main()