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https://github.com/zeromq/libzmq.git
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9e3932b46b
Solution: provide test_context and manage sockets of test_context via setup and teardown
245 lines
8.9 KiB
C++
245 lines
8.9 KiB
C++
/*
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Copyright (c) 2007-2017 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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#include <unity.h>
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void setUp ()
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{
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setup_test_context ();
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}
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void tearDown ()
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{
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teardown_test_context ();
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}
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#ifdef ZMQ_BUILD_DRAFT_API
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bool send_msg_to_peer_if_ready (void *router, const char *peer_routing_id)
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{
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int rc = TEST_ASSERT_SUCCESS_MESSAGE_ERRNO (
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zmq_socket_get_peer_state (router, peer_routing_id, 1), peer_routing_id);
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if (rc & ZMQ_POLLOUT) {
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send_string_expect_success (router, peer_routing_id,
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ZMQ_SNDMORE | ZMQ_DONTWAIT);
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send_string_expect_success (router, "Hello", ZMQ_DONTWAIT);
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return true;
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}
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return false;
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}
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#endif
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void test_get_peer_state ()
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{
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#ifdef ZMQ_BUILD_DRAFT_API
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void *router = test_context_socket (ZMQ_ROUTER);
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int mandatory = 1;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (router, ZMQ_ROUTER_MANDATORY,
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&mandatory, sizeof (mandatory)));
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const char *my_endpoint = "inproc://test_get_peer_state";
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (router, my_endpoint));
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void *dealer1 = test_context_socket (ZMQ_DEALER);
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void *dealer2 = test_context_socket (ZMQ_DEALER);
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// Lower HWMs to allow doing the test with fewer messages
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const int hwm = 100;
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (router, ZMQ_SNDHWM, &hwm, sizeof (int)));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer1, ZMQ_RCVHWM, &hwm, sizeof (int)));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer2, ZMQ_RCVHWM, &hwm, sizeof (int)));
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const char *dealer1_routing_id = "X";
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const char *dealer2_routing_id = "Y";
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// Name dealer1 "X" and connect it to our router
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer1, ZMQ_ROUTING_ID, dealer1_routing_id, 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer1, my_endpoint));
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// Name dealer2 "Y" and connect it to our router
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer2, ZMQ_ROUTING_ID, dealer2_routing_id, 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer2, my_endpoint));
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// Get message from both dealers to know when connection is ready
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send_string_expect_success (dealer1, "Hello", 0);
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recv_string_expect_success (router, dealer1_routing_id, 0);
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recv_string_expect_success (router, "Hello", 0);
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send_string_expect_success (dealer2, "Hello", 0);
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recv_string_expect_success (router, dealer2_routing_id, 0);
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recv_string_expect_success (router, "Hello", 0);
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void *poller = zmq_poller_new ();
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TEST_ASSERT_NOT_NULL (poller);
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// Poll on router and dealer1, but not on dealer2
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_poller_add (poller, router, NULL, ZMQ_POLLOUT));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_poller_add (poller, dealer1, NULL, ZMQ_POLLIN));
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const unsigned int count = 10000;
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const unsigned int event_size = 2;
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bool dealer2_blocked = false;
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unsigned int dealer1_sent = 0, dealer2_sent = 0, dealer1_received = 0;
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zmq_poller_event_t events[event_size];
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for (unsigned int iteration = 0; iteration < count; ++iteration) {
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_poller_wait_all (poller, events, event_size, -1));
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for (unsigned int event_no = 0; event_no < event_size; ++event_no) {
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const zmq_poller_event_t ¤t_event = events[event_no];
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if (current_event.socket == router
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&& current_event.events & ZMQ_POLLOUT) {
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if (send_msg_to_peer_if_ready (router, dealer1_routing_id))
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++dealer1_sent;
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if (send_msg_to_peer_if_ready (router, dealer2_routing_id))
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++dealer2_sent;
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else
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dealer2_blocked = true;
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}
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if (current_event.socket == dealer1
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&& current_event.events & ZMQ_POLLIN) {
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recv_string_expect_success (dealer1, "Hello", ZMQ_DONTWAIT);
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int more;
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size_t more_size = sizeof (more);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (dealer1, ZMQ_RCVMORE, &more, &more_size));
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TEST_ASSERT_FALSE (more);
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++dealer1_received;
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}
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// never read from dealer2, so its pipe becomes full eventually
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}
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}
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printf ("dealer1_sent = %u, dealer2_sent = %u, dealer1_received = %u\n",
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dealer1_sent, dealer2_sent, dealer1_received);
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TEST_ASSERT_TRUE (dealer2_blocked);
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zmq_poller_destroy (&poller);
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test_context_socket_close (router);
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test_context_socket_close (dealer1);
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test_context_socket_close (dealer2);
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#endif
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}
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void test_get_peer_state_corner_cases ()
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{
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#ifdef ZMQ_BUILD_DRAFT_API
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const char peer_routing_id[] = "foo";
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// call get_peer_state with NULL socket
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int rc = zmq_socket_get_peer_state (NULL, peer_routing_id,
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strlen (peer_routing_id));
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TEST_ASSERT_EQUAL_INT (-1, rc);
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TEST_ASSERT_EQUAL_INT (ENOTSOCK, errno);
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void *dealer = test_context_socket (ZMQ_DEALER);
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void *router = test_context_socket (ZMQ_ROUTER);
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// call get_peer_state with a non-ROUTER socket
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rc = zmq_socket_get_peer_state (dealer, peer_routing_id,
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strlen (peer_routing_id));
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TEST_ASSERT_EQUAL_INT (-1, rc);
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TEST_ASSERT_EQUAL_INT (ENOTSUP, errno);
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// call get_peer_state for an unknown routing id
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rc = zmq_socket_get_peer_state (router, peer_routing_id,
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strlen (peer_routing_id));
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TEST_ASSERT_EQUAL_INT (-1, rc);
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TEST_ASSERT_EQUAL_INT (EHOSTUNREACH, errno);
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test_context_socket_close (router);
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test_context_socket_close (dealer);
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#endif
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}
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void test_basic ()
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{
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size_t len = MAX_SOCKET_STRING;
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char my_endpoint[MAX_SOCKET_STRING];
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void *router = test_context_socket (ZMQ_ROUTER);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (router, "tcp://127.0.0.1:*"));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (router, ZMQ_LAST_ENDPOINT, my_endpoint, &len));
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// Send a message to an unknown peer with the default setting
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// This will not report any error
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send_string_expect_success (router, "UNKNOWN", ZMQ_SNDMORE);
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send_string_expect_success (router, "DATA", 0);
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// Send a message to an unknown peer with mandatory routing
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// This will fail
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int mandatory = 1;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (router, ZMQ_ROUTER_MANDATORY,
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&mandatory, sizeof (mandatory)));
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int rc = zmq_send (router, "UNKNOWN", 7, ZMQ_SNDMORE);
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TEST_ASSERT_EQUAL_INT (-1, rc);
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TEST_ASSERT_EQUAL_INT (EHOSTUNREACH, errno);
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// Create dealer called "X" and connect it to our router
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void *dealer = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (dealer, ZMQ_ROUTING_ID, "X", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer, my_endpoint));
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// Get message from dealer to know when connection is ready
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send_string_expect_success (dealer, "Hello", 0);
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recv_string_expect_success (router, "X", 0);
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// Send a message to connected dealer now
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// It should work
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send_string_expect_success (router, "X", ZMQ_SNDMORE);
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send_string_expect_success (router, "Hello", 0);
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test_context_socket_close (router);
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test_context_socket_close (dealer);
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}
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int main (void)
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_basic);
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RUN_TEST (test_get_peer_state);
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RUN_TEST (test_get_peer_state_corner_cases);
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return UNITY_END ();
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}
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