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da31917f4f
Relicense permission collected from all relevant authors as tallied at: https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md The relicense grants are collected under RELICENSE/ and will be moved to the above repository in a later commit. Fixes https://github.com/zeromq/libzmq/issues/2376
125 lines
4.4 KiB
C++
125 lines
4.4 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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#include <string.h>
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SETUP_TEARDOWN_TESTCONTEXT
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void settle_subscriptions (void *skt)
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{
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// To kick the application thread, do a dummy getsockopt - users here
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// should use the monitor and the other sockets in a poll.
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unsigned long int dummy;
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size_t dummy_size = sizeof (dummy);
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msleep (SETTLE_TIME);
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zmq_getsockopt (skt, ZMQ_EVENTS, &dummy, &dummy_size);
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}
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int get_subscription_count (void *skt)
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{
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int num_subs = 0;
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size_t num_subs_len = sizeof (num_subs);
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settle_subscriptions (skt);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (skt, ZMQ_TOPICS_COUNT, &num_subs, &num_subs_len));
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return num_subs;
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}
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void test_independent_topic_prefixes ()
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{
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// Create a publisher
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void *publisher = test_context_socket (ZMQ_PUB);
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char my_endpoint[MAX_SOCKET_STRING];
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// Bind publisher
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test_bind (publisher, "inproc://soname", my_endpoint, MAX_SOCKET_STRING);
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// Create a subscriber
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void *subscriber = test_context_socket (ZMQ_SUB);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (subscriber, my_endpoint));
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// Subscribe to 3 topics
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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subscriber, ZMQ_SUBSCRIBE, "topicprefix1", strlen ("topicprefix1")));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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subscriber, ZMQ_SUBSCRIBE, "topicprefix2", strlen ("topicprefix2")));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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subscriber, ZMQ_SUBSCRIBE, "topicprefix3", strlen ("topicprefix3")));
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TEST_ASSERT_EQUAL_INT (get_subscription_count (subscriber), 3);
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TEST_ASSERT_EQUAL_INT (get_subscription_count (publisher), 3);
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// Remove first subscription and check subscriptions went 3 -> 2
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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subscriber, ZMQ_UNSUBSCRIBE, "topicprefix3", strlen ("topicprefix3")));
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TEST_ASSERT_EQUAL_INT (get_subscription_count (subscriber), 2);
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TEST_ASSERT_EQUAL_INT (get_subscription_count (publisher), 2);
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// Remove other 2 subscriptions and check we're back to 0 subscriptions
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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subscriber, ZMQ_UNSUBSCRIBE, "topicprefix1", strlen ("topicprefix1")));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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subscriber, ZMQ_UNSUBSCRIBE, "topicprefix2", strlen ("topicprefix2")));
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TEST_ASSERT_EQUAL_INT (get_subscription_count (subscriber), 0);
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TEST_ASSERT_EQUAL_INT (get_subscription_count (publisher), 0);
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// Clean up.
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test_context_socket_close (publisher);
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test_context_socket_close (subscriber);
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}
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void test_nested_topic_prefixes ()
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{
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// Create a publisher
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void *publisher = test_context_socket (ZMQ_PUB);
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char my_endpoint[MAX_SOCKET_STRING];
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// Bind publisher
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test_bind (publisher, "inproc://soname", my_endpoint, MAX_SOCKET_STRING);
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// Create a subscriber
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void *subscriber = test_context_socket (ZMQ_SUB);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (subscriber, my_endpoint));
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// Subscribe to 3 (nested) topics
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE, "a", strlen ("a")));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE, "ab", strlen ("ab")));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE, "abc", strlen ("abc")));
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// Even if the subscriptions are nested one into the other, the number of subscriptions
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// received on the subscriber/publisher socket will be 3:
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TEST_ASSERT_EQUAL_INT (get_subscription_count (subscriber), 3);
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TEST_ASSERT_EQUAL_INT (get_subscription_count (publisher), 3);
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// Subscribe to other 3 (nested) topics
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE, "xyz", strlen ("xyz")));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE, "xy", strlen ("xy")));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (subscriber, ZMQ_SUBSCRIBE, "x", strlen ("x")));
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TEST_ASSERT_EQUAL_INT (get_subscription_count (subscriber), 6);
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TEST_ASSERT_EQUAL_INT (get_subscription_count (publisher), 6);
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// Clean up.
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test_context_socket_close (publisher);
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test_context_socket_close (subscriber);
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}
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int main ()
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_independent_topic_prefixes);
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RUN_TEST (test_nested_topic_prefixes);
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return UNITY_END ();
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}
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