diff options
Diffstat (limited to 'scripts/external_libs/zmq/tests/test_context.py')
| -rw-r--r-- | scripts/external_libs/zmq/tests/test_context.py | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/scripts/external_libs/zmq/tests/test_context.py b/scripts/external_libs/zmq/tests/test_context.py new file mode 100644 index 00000000..e3280778 --- /dev/null +++ b/scripts/external_libs/zmq/tests/test_context.py @@ -0,0 +1,257 @@ +# Copyright (C) PyZMQ Developers +# Distributed under the terms of the Modified BSD License. + +import gc +import sys +import time +from threading import Thread, Event + +import zmq +from zmq.tests import ( + BaseZMQTestCase, have_gevent, GreenTest, skip_green, PYPY, SkipTest, +) + + +class TestContext(BaseZMQTestCase): + + def test_init(self): + c1 = self.Context() + self.assert_(isinstance(c1, self.Context)) + del c1 + c2 = self.Context() + self.assert_(isinstance(c2, self.Context)) + del c2 + c3 = self.Context() + self.assert_(isinstance(c3, self.Context)) + del c3 + + def test_dir(self): + ctx = self.Context() + self.assertTrue('socket' in dir(ctx)) + if zmq.zmq_version_info() > (3,): + self.assertTrue('IO_THREADS' in dir(ctx)) + ctx.term() + + def test_term(self): + c = self.Context() + c.term() + self.assert_(c.closed) + + def test_context_manager(self): + with self.Context() as c: + pass + self.assert_(c.closed) + + def test_fail_init(self): + self.assertRaisesErrno(zmq.EINVAL, self.Context, -1) + + def test_term_hang(self): + rep,req = self.create_bound_pair(zmq.ROUTER, zmq.DEALER) + req.setsockopt(zmq.LINGER, 0) + req.send(b'hello', copy=False) + req.close() + rep.close() + self.context.term() + + def test_instance(self): + ctx = self.Context.instance() + c2 = self.Context.instance(io_threads=2) + self.assertTrue(c2 is ctx) + c2.term() + c3 = self.Context.instance() + c4 = self.Context.instance() + self.assertFalse(c3 is c2) + self.assertFalse(c3.closed) + self.assertTrue(c3 is c4) + + def test_many_sockets(self): + """opening and closing many sockets shouldn't cause problems""" + ctx = self.Context() + for i in range(16): + sockets = [ ctx.socket(zmq.REP) for i in range(65) ] + [ s.close() for s in sockets ] + # give the reaper a chance + time.sleep(1e-2) + ctx.term() + + def test_sockopts(self): + """setting socket options with ctx attributes""" + ctx = self.Context() + ctx.linger = 5 + self.assertEqual(ctx.linger, 5) + s = ctx.socket(zmq.REQ) + self.assertEqual(s.linger, 5) + self.assertEqual(s.getsockopt(zmq.LINGER), 5) + s.close() + # check that subscribe doesn't get set on sockets that don't subscribe: + ctx.subscribe = b'' + s = ctx.socket(zmq.REQ) + s.close() + + ctx.term() + + + def test_destroy(self): + """Context.destroy should close sockets""" + ctx = self.Context() + sockets = [ ctx.socket(zmq.REP) for i in range(65) ] + + # close half of the sockets + [ s.close() for s in sockets[::2] ] + + ctx.destroy() + # reaper is not instantaneous + time.sleep(1e-2) + for s in sockets: + self.assertTrue(s.closed) + + def test_destroy_linger(self): + """Context.destroy should set linger on closing sockets""" + req,rep = self.create_bound_pair(zmq.REQ, zmq.REP) + req.send(b'hi') + time.sleep(1e-2) + self.context.destroy(linger=0) + # reaper is not instantaneous + time.sleep(1e-2) + for s in (req,rep): + self.assertTrue(s.closed) + + def test_term_noclose(self): + """Context.term won't close sockets""" + ctx = self.Context() + s = ctx.socket(zmq.REQ) + self.assertFalse(s.closed) + t = Thread(target=ctx.term) + t.start() + t.join(timeout=0.1) + self.assertTrue(t.is_alive(), "Context should be waiting") + s.close() + t.join(timeout=0.1) + self.assertFalse(t.is_alive(), "Context should have closed") + + def test_gc(self): + """test close&term by garbage collection alone""" + if PYPY: + raise SkipTest("GC doesn't work ") + + # test credit @dln (GH #137): + def gcf(): + def inner(): + ctx = self.Context() + s = ctx.socket(zmq.PUSH) + inner() + gc.collect() + t = Thread(target=gcf) + t.start() + t.join(timeout=1) + self.assertFalse(t.is_alive(), "Garbage collection should have cleaned up context") + + def test_cyclic_destroy(self): + """ctx.destroy should succeed when cyclic ref prevents gc""" + # test credit @dln (GH #137): + class CyclicReference(object): + def __init__(self, parent=None): + self.parent = parent + + def crash(self, sock): + self.sock = sock + self.child = CyclicReference(self) + + def crash_zmq(): + ctx = self.Context() + sock = ctx.socket(zmq.PULL) + c = CyclicReference() + c.crash(sock) + ctx.destroy() + + crash_zmq() + + def test_term_thread(self): + """ctx.term should not crash active threads (#139)""" + ctx = self.Context() + evt = Event() + evt.clear() + + def block(): + s = ctx.socket(zmq.REP) + s.bind_to_random_port('tcp://127.0.0.1') + evt.set() + try: + s.recv() + except zmq.ZMQError as e: + self.assertEqual(e.errno, zmq.ETERM) + return + finally: + s.close() + self.fail("recv should have been interrupted with ETERM") + t = Thread(target=block) + t.start() + + evt.wait(1) + self.assertTrue(evt.is_set(), "sync event never fired") + time.sleep(0.01) + ctx.term() + t.join(timeout=1) + self.assertFalse(t.is_alive(), "term should have interrupted s.recv()") + + def test_destroy_no_sockets(self): + ctx = self.Context() + s = ctx.socket(zmq.PUB) + s.bind_to_random_port('tcp://127.0.0.1') + s.close() + ctx.destroy() + assert s.closed + assert ctx.closed + + def test_ctx_opts(self): + if zmq.zmq_version_info() < (3,): + raise SkipTest("context options require libzmq 3") + ctx = self.Context() + ctx.set(zmq.MAX_SOCKETS, 2) + self.assertEqual(ctx.get(zmq.MAX_SOCKETS), 2) + ctx.max_sockets = 100 + self.assertEqual(ctx.max_sockets, 100) + self.assertEqual(ctx.get(zmq.MAX_SOCKETS), 100) + + def test_shadow(self): + ctx = self.Context() + ctx2 = self.Context.shadow(ctx.underlying) + self.assertEqual(ctx.underlying, ctx2.underlying) + s = ctx.socket(zmq.PUB) + s.close() + del ctx2 + self.assertFalse(ctx.closed) + s = ctx.socket(zmq.PUB) + ctx2 = self.Context.shadow(ctx.underlying) + s2 = ctx2.socket(zmq.PUB) + s.close() + s2.close() + ctx.term() + self.assertRaisesErrno(zmq.EFAULT, ctx2.socket, zmq.PUB) + del ctx2 + + def test_shadow_pyczmq(self): + try: + from pyczmq import zctx, zsocket, zstr + except Exception: + raise SkipTest("Requires pyczmq") + + ctx = zctx.new() + a = zsocket.new(ctx, zmq.PUSH) + zsocket.bind(a, "inproc://a") + ctx2 = self.Context.shadow_pyczmq(ctx) + b = ctx2.socket(zmq.PULL) + b.connect("inproc://a") + zstr.send(a, b'hi') + rcvd = self.recv(b) + self.assertEqual(rcvd, b'hi') + b.close() + + +if False: # disable green context tests + class TestContextGreen(GreenTest, TestContext): + """gevent subclass of context tests""" + # skip tests that use real threads: + test_gc = GreenTest.skip_green + test_term_thread = GreenTest.skip_green + test_destroy_linger = GreenTest.skip_green |