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46a48fb62c93eeb4559c02e840d51f36e9eda186
mqtt5/test/integration/sub_unsub.cpp
Korina Šimičević 33c8eea890 Add function to set keep alive/ping interval 
Summary:
related to T13566
- mqtt_client has a new keep_alive(seconds) function
- keep_alive(0) disables ping
- if keep_alive() is not called, the client assumes keep_alive=10
- the client respects server_keep_alive if sent by the broker

Reviewers: ivica

Reviewed By: ivica

Subscribers: miljen, iljazovic

Differential Revision: https://repo.mireo.local/D27557
2024-02-01 08:29:22 +01:00

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#include <boost/test/unit_test.hpp>
#include <boost/asio/any_completion_handler.hpp>
#include <boost/asio/bind_cancellation_slot.hpp>
#include <boost/asio/cancellation_signal.hpp>
#include <boost/asio/io_context.hpp>
#include <async_mqtt5/mqtt_client.hpp>
#include "test_common/message_exchange.hpp"
#include "test_common/packet_util.hpp"
#include "test_common/test_service.hpp"
#include "test_common/test_stream.hpp"
using namespace async_mqtt5;
namespace async_mqtt5::test {
enum operation_type {
subscribe = 1,
unsubscribe
};
} // end namespace async_mqtt5::test
BOOST_AUTO_TEST_SUITE(sub_unsub/*, *boost::unit_test::disabled()*/)
struct shared_test_data {
error_code success {};
error_code fail = asio::error::not_connected;
const std::string connect = encoders::encode_connect(
"", std::nullopt, std::nullopt, 60, false, {}, std::nullopt
);
const std::string connack = encoders::encode_connack(
false, reason_codes::success.value(), {}
);
std::vector<subscribe_topic> sub_topics = {
subscribe_topic { "topic", subscribe_options {} }
};
std::vector<std::string> unsub_topics = { "topic" };
std::vector<uint8_t> reason_codes = { uint8_t(0x00) };
const std::string subscribe = encoders::encode_subscribe(
1, sub_topics, subscribe_props {}
);
const std::string suback = encoders::encode_suback(1, reason_codes, suback_props {});
const std::string unsubscribe = encoders::encode_unsubscribe(
1, unsub_topics, unsubscribe_props {}
);
const std::string unsuback = encoders::encode_unsuback(1, reason_codes, unsuback_props {});
};
using test::after;
using namespace std::chrono;
template <test::operation_type op_type>
void run_test(test::msg_exchange broker_side) {
constexpr int expected_handlers_called = 1;
int handlers_called = 0;
asio::io_context ioc;
auto executor = ioc.get_executor();
auto& broker = asio::make_service<test::test_broker>(
ioc, executor, std::move(broker_side)
);
using client_type = mqtt_client<test::test_stream>;
client_type c(executor, "");
c.brokers("127.0.0.1,127.0.0.1") // to avoid reconnect backoff
.async_run(asio::detached);
auto data = shared_test_data();
if constexpr (op_type == test::operation_type::subscribe)
c.async_subscribe(
data.sub_topics, subscribe_props {},
[&handlers_called, &c](error_code ec, std::vector<reason_code> rcs, suback_props) {
++handlers_called;
BOOST_CHECK(!ec);
BOOST_ASSERT(rcs.size() == 1);
BOOST_CHECK_EQUAL(rcs[0], reason_codes::granted_qos_0);
c.cancel();
}
);
else
c.async_unsubscribe(
data.unsub_topics, unsubscribe_props {},
[&handlers_called, &c](error_code ec, std::vector<reason_code> rcs, unsuback_props) {
++handlers_called;
BOOST_CHECK(!ec);
BOOST_ASSERT(rcs.size() == 1);
BOOST_CHECK_EQUAL(rcs[0], reason_codes::success);
c.cancel();
}
);
ioc.run_for(5s);
BOOST_CHECK_EQUAL(handlers_called, expected_handlers_called);
BOOST_CHECK(broker.received_all_expected());
}
// subscribe
BOOST_FIXTURE_TEST_CASE(fail_to_send_subscribe, shared_test_data) {
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(fail, after(1ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.reply_with(suback, after(2ms));
run_test<test::operation_type::subscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(fail_to_receive_suback, shared_test_data) {
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.send(fail, after(15ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.reply_with(suback, after(2ms));
run_test<test::operation_type::subscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(receive_malformed_suback, shared_test_data) {
// packets
const char malformed_bytes[] = {
-112, 7, 0, 1, 4, 31, 0, 2, 32
};
std::string malformed_suback { malformed_bytes, sizeof(malformed_bytes) / sizeof(char) };
auto disconnect = encoders::encode_disconnect(
reason_codes::malformed_packet.value(),
test::dprops_with_reason_string("Malformed SUBACK: cannot decode")
);
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.reply_with(malformed_suback, after(2ms))
.expect(disconnect)
.complete_with(success, after(1ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.reply_with(suback, after(2ms));
run_test<test::operation_type::subscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(receive_invalid_rc_in_suback, shared_test_data) {
// packets
auto malformed_suback = encoders::encode_suback(
1, { uint8_t(0x04) }, suback_props {}
);
auto disconnect = encoders::encode_disconnect(
reason_codes::malformed_packet.value(),
test::dprops_with_reason_string(
"Malformed SUBACK: does not contain a "
"valid Reason Code for every Topic Filter"
)
);
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.reply_with(malformed_suback, after(2ms))
.expect(disconnect)
.complete_with(success, after(1ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.reply_with(suback, after(2ms));
run_test<test::operation_type::subscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(mismatched_num_of_suback_rcs, shared_test_data) {
// packets
auto malformed_suback = encoders::encode_suback(
1, { uint8_t(0x00), uint8_t(0x00) }, suback_props {}
);
auto disconnect = encoders::encode_disconnect(
reason_codes::malformed_packet.value(),
test::dprops_with_reason_string(
"Malformed SUBACK: does not contain a "
"valid Reason Code for every Topic Filter"
)
);
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.reply_with(malformed_suback, after(2ms))
.expect(disconnect)
.complete_with(success, after(1ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(subscribe)
.complete_with(success, after(1ms))
.reply_with(suback, after(2ms));
run_test<test::operation_type::subscribe>(std::move(broker_side));
}
// unsubscribe
BOOST_FIXTURE_TEST_CASE(fail_to_send_unsubscribe, shared_test_data) {
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(fail, after(1ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.reply_with(unsuback, after(2ms));
run_test<test::operation_type::unsubscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(fail_to_receive_unsuback, shared_test_data) {
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.send(fail, after(15ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.reply_with(unsuback, after(2ms));
run_test<test::operation_type::unsubscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(receive_malformed_unsuback, shared_test_data) {
// packets
const char malformed_bytes[] = {
-80, 7, 0, 1, 4, 31, 0, 2, 32
};
std::string malformed_unsuback { malformed_bytes, sizeof(malformed_bytes) / sizeof(char) };
auto disconnect = encoders::encode_disconnect(
reason_codes::malformed_packet.value(),
test::dprops_with_reason_string("Malformed UNSUBACK: cannot decode")
);
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.reply_with(malformed_unsuback, after(2ms))
.expect(disconnect)
.complete_with(success, after(1ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.reply_with(unsuback, after(2ms));
run_test<test::operation_type::unsubscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(receive_invalid_rc_in_unsuback, shared_test_data) {
// packets
auto malformed_unsuback = encoders::encode_unsuback(
1, { uint8_t(0x04) }, unsuback_props {}
);
auto disconnect = encoders::encode_disconnect(
reason_codes::malformed_packet.value(),
test::dprops_with_reason_string(
"Malformed UNSUBACK: does not contain a "
"valid Reason Code for every Topic Filter"
)
);
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.reply_with(malformed_unsuback, after(2ms))
.expect(disconnect)
.complete_with(success, after(1ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.reply_with(unsuback, after(2ms));
run_test<test::operation_type::unsubscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(mismatched_num_of_unsuback_rcs, shared_test_data) {
// packets
auto malformed_unsuback = encoders::encode_unsuback(
1, { uint8_t(0x00), uint8_t(0x00)}, unsuback_props {}
);
auto disconnect = encoders::encode_disconnect(
reason_codes::malformed_packet.value(),
test::dprops_with_reason_string(
"Malformed UNSUBACK: does not contain a "
"valid Reason Code for every Topic Filter"
)
);
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.reply_with(malformed_unsuback, after(2ms))
.expect(disconnect)
.complete_with(success, after(1ms))
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms))
.expect(unsubscribe)
.complete_with(success, after(1ms))
.reply_with(unsuback, after(2ms));
run_test<test::operation_type::unsubscribe>(std::move(broker_side));
}
template <test::operation_type op_type>
void run_cancellation_test(test::msg_exchange broker_side) {
constexpr int expected_handlers_called = 1;
int handlers_called = 0;
asio::io_context ioc;
auto executor = ioc.get_executor();
auto& broker = asio::make_service<test::test_broker>(
ioc, executor, std::move(broker_side)
);
using client_type = mqtt_client<test::test_stream>;
client_type c(executor, "");
c.brokers("127.0.0.1,127.0.0.1") // to avoid reconnect backoff
.async_run(asio::detached);
asio::cancellation_signal cancel_signal;
auto data = shared_test_data();
if constexpr (op_type == test::operation_type::subscribe)
c.async_subscribe(
data.sub_topics, subscribe_props {},
asio::bind_cancellation_slot(
cancel_signal.slot(),
[&handlers_called, &c](error_code ec, std::vector<reason_code> rcs, suback_props) {
++handlers_called;
BOOST_CHECK(ec == asio::error::operation_aborted);
BOOST_ASSERT(rcs.size() == 1);
BOOST_CHECK_EQUAL(rcs[0], reason_codes::empty);
c.cancel();
}
)
);
else
c.async_unsubscribe(
data.unsub_topics, unsubscribe_props {},
asio::bind_cancellation_slot(
cancel_signal.slot(),
[&handlers_called, &c](error_code ec, std::vector<reason_code> rcs, unsuback_props) {
++handlers_called;
BOOST_CHECK(ec == asio::error::operation_aborted);
BOOST_ASSERT(rcs.size() == 1);
BOOST_CHECK_EQUAL(rcs[0], reason_codes::empty);
c.cancel();
}
)
);
cancel_signal.emit(asio::cancellation_type::total);
ioc.run_for(2s);
BOOST_CHECK_EQUAL(handlers_called, expected_handlers_called);
BOOST_CHECK(broker.received_all_expected());
}
BOOST_FIXTURE_TEST_CASE(cancel_resending_subscribe, shared_test_data) {
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms));
run_cancellation_test<test::operation_type::subscribe>(std::move(broker_side));
}
BOOST_FIXTURE_TEST_CASE(cancel_resending_unsubscribe, shared_test_data) {
test::msg_exchange broker_side;
broker_side
.expect(connect)
.complete_with(success, after(1ms))
.reply_with(connack, after(2ms));
run_cancellation_test<test::operation_type::unsubscribe>(std::move(broker_side));
}
BOOST_AUTO_TEST_SUITE_END();
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