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/* SPDX-License-Identifier: MPL-2.0 */
#include "testutil.hpp"
#include "testutil_unity.hpp"
SETUP_TEARDOWN_TESTCONTEXT
const uint8_t unsubscribe_a_msg[] = {0, 'A'};
const uint8_t subscribe_a_msg[] = {1, 'A'};
const char test_endpoint[] = "inproc://soname";
void test_xsub_verbose_unsubscribe ()
{
void *pub = test_context_socket (ZMQ_XPUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (pub, test_endpoint));
void *sub = test_context_socket (ZMQ_XSUB);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (sub, test_endpoint));
// set option ZMQ_XPUB_VERBOSER to get all messages
int xbup_verboser = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (pub, ZMQ_XPUB_VERBOSER, &xbup_verboser, sizeof (int)));
// unsubscribe from topic A, does not exist yet
send_array_expect_success (sub, unsubscribe_a_msg, 0);
// does not exist, so it will be filtered out by XSUB
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
// subscribe to topic A
send_array_expect_success (sub, subscribe_a_msg, 0);
// receive subscription from subscriber
recv_array_expect_success (pub, subscribe_a_msg, 0);
// subscribe again to topic A
send_array_expect_success (sub, subscribe_a_msg, 0);
// receive subscription from subscriber
recv_array_expect_success (pub, subscribe_a_msg, 0);
// unsubscribe from topic A
send_array_expect_success (sub, unsubscribe_a_msg, 0);
// The first unsubscribe will be filtered out
TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (pub, NULL, 0, ZMQ_DONTWAIT));
// unsubscribe again from topic A
send_array_expect_success (sub, unsubscribe_a_msg, 0);
// receive unsubscription from subscriber
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// set option ZMQ_XSUB_VERBOSE_UNSUBSCRIBE to get duplicate unsubscribes
int xsub_verbose = 1;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
sub, ZMQ_XSUB_VERBOSE_UNSUBSCRIBE, &xsub_verbose, sizeof (int)));
// unsubscribe from topic A, does not exist yet
send_array_expect_success (sub, unsubscribe_a_msg, 0);
// does not exist, but with ZMQ_XSUB_VERBOSE_UNSUBSCRIBE set it will be forwarded anyway
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// subscribe to topic A
send_array_expect_success (sub, subscribe_a_msg, 0);
// receive subscription from subscriber
recv_array_expect_success (pub, subscribe_a_msg, 0);
// subscribe again to topic A
send_array_expect_success (sub, subscribe_a_msg, 0);
// receive subscription from subscriber
recv_array_expect_success (pub, subscribe_a_msg, 0);
// unsubscribe from topic A
send_array_expect_success (sub, unsubscribe_a_msg, 0);
// receive unsubscription from subscriber
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// unsubscribe again from topic A
send_array_expect_success (sub, unsubscribe_a_msg, 0);
// receive unsubscription from subscriber
recv_array_expect_success (pub, unsubscribe_a_msg, 0);
// Clean up.
test_context_socket_close (pub);
test_context_socket_close (sub);
}
int main ()
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_xsub_verbose_unsubscribe);
return UNITY_END ();
}
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