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/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
SETUP_TEARDOWN_TESTCONTEXT
void test ()
{
char endpoint1[MAX_SOCKET_STRING];
char endpoint2[MAX_SOCKET_STRING];
// First, create an intermediate device
void *xpub = test_context_socket (ZMQ_XPUB);
bind_loopback_ipv4 (xpub, endpoint1, sizeof (endpoint1));
void *xsub = test_context_socket (ZMQ_XSUB);
bind_loopback_ipv4 (xsub, endpoint2, sizeof (endpoint2));
// Create a publisher
void *pub = test_context_socket (ZMQ_PUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (pub, endpoint2));
// Create a subscriber
void *sub = test_context_socket (ZMQ_SUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, endpoint1));
// Subscribe for all messages.
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (sub, ZMQ_SUBSCRIBE, "", 0));
// Pass the subscription upstream through the device
char buff[32];
int size;
TEST_ASSERT_SUCCESS_ERRNO (size = zmq_recv (xpub, buff, sizeof (buff), 0));
TEST_ASSERT_SUCCESS_ERRNO (zmq_send (xsub, buff, size, 0));
// Wait a bit till the subscription gets to the publisher
msleep (SETTLE_TIME);
// Send an empty message
send_string_expect_success (pub, "", 0);
// Pass the message downstream through the device
TEST_ASSERT_SUCCESS_ERRNO (size = zmq_recv (xsub, buff, sizeof (buff), 0));
TEST_ASSERT_SUCCESS_ERRNO (zmq_send (xpub, buff, size, 0));
// Receive the message in the subscriber
recv_string_expect_success (sub, "", 0);
// Clean up.
test_context_socket_close (xpub);
test_context_socket_close (xsub);
test_context_socket_close (pub);
test_context_socket_close (sub);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test);
return UNITY_END ();
}
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