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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2016-2022, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "testcpp.h"
#include <cstring>
/**
* Verification of difference between empty and null Key and Value
*/
static int check_equal(const char *exp,
const char *actual,
size_t len,
std::string what) {
size_t exp_len = exp ? strlen(exp) : 0;
int failures = 0;
if (!actual && len != 0) {
Test::FailLater(tostr()
<< what << ": expected length 0 for Null, not " << len);
failures++;
}
if (exp) {
if (!actual) {
Test::FailLater(tostr()
<< what << ": expected \"" << exp << "\", not Null");
failures++;
} else if (len != exp_len || strncmp(exp, actual, exp_len)) {
Test::FailLater(tostr() << what << ": expected \"" << exp << "\", not \""
<< actual << "\" (" << len << " bytes)");
failures++;
}
} else {
if (actual) {
Test::FailLater(tostr() << what << ": expected Null, not \"" << actual
<< "\" (" << len << " bytes)");
failures++;
}
}
if (!failures)
Test::Say(3, tostr() << what << ": matched expectation\n");
return failures;
}
static void do_test_null_empty(bool api_version_request) {
std::string topic = Test::mk_topic_name("0070_null_empty", 1);
const int partition = 0;
Test::Say(tostr() << "Testing with api.version.request="
<< api_version_request << " on topic " << topic
<< " partition " << partition << "\n");
RdKafka::Conf *conf;
Test::conf_init(&conf, NULL, 0);
Test::conf_set(conf, "api.version.request",
api_version_request ? "true" : "false");
Test::conf_set(conf, "acks", "all");
std::string errstr;
RdKafka::Producer *p = RdKafka::Producer::create(conf, errstr);
if (!p)
Test::Fail("Failed to create Producer: " + errstr);
delete conf;
const int msgcnt = 8;
static const char *msgs[msgcnt * 2] = {NULL, NULL, "key2", NULL, "key3",
"val3", NULL, "val4", "", NULL,
NULL, "", "", ""};
RdKafka::ErrorCode err;
for (int i = 0; i < msgcnt * 2; i += 2) {
Test::Say(3, tostr() << "Produce message #" << (i / 2) << ": key=\""
<< (msgs[i] ? msgs[i] : "Null") << "\", value=\""
<< (msgs[i + 1] ? msgs[i + 1] : "Null") << "\"\n");
err = p->produce(topic, partition, RdKafka::Producer::RK_MSG_COPY,
/* Value */
(void *)msgs[i + 1], msgs[i + 1] ? strlen(msgs[i + 1]) : 0,
/* Key */
(void *)msgs[i], msgs[i] ? strlen(msgs[i]) : 0, 0, NULL);
if (err != RdKafka::ERR_NO_ERROR)
Test::Fail("Produce failed: " + RdKafka::err2str(err));
}
if (p->flush(tmout_multip(3 * 5000)) != 0)
Test::Fail("Not all messages flushed");
Test::Say(tostr() << "Produced " << msgcnt << " messages to " << topic
<< "\n");
delete p;
/*
* Now consume messages from the beginning, making sure they match
* what was produced.
*/
/* Create consumer */
Test::conf_init(&conf, NULL, 10);
Test::conf_set(conf, "group.id", topic);
Test::conf_set(conf, "api.version.request",
api_version_request ? "true" : "false");
Test::conf_set(conf, "enable.auto.commit", "false");
RdKafka::KafkaConsumer *c = RdKafka::KafkaConsumer::create(conf, errstr);
if (!c)
Test::Fail("Failed to create KafkaConsumer: " + errstr);
delete conf;
/* Assign the partition */
std::vector<RdKafka::TopicPartition *> parts;
parts.push_back(RdKafka::TopicPartition::create(
topic, partition, RdKafka::Topic::OFFSET_BEGINNING));
err = c->assign(parts);
if (err != RdKafka::ERR_NO_ERROR)
Test::Fail("assign() failed: " + RdKafka::err2str(err));
RdKafka::TopicPartition::destroy(parts);
/* Start consuming */
int failures = 0;
for (int i = 0; i < msgcnt * 2; i += 2) {
RdKafka::Message *msg = c->consume(tmout_multip(5000));
if (msg->err())
Test::Fail(tostr() << "consume() failed at message " << (i / 2) << ": "
<< msg->errstr());
/* verify key */
failures += check_equal(msgs[i], msg->key() ? msg->key()->c_str() : NULL,
msg->key_len(),
tostr() << "message #" << (i / 2) << " (offset "
<< msg->offset() << ") key");
/* verify key_pointer() API as too */
failures +=
check_equal(msgs[i], (const char *)msg->key_pointer(), msg->key_len(),
tostr() << "message #" << (i / 2) << " (offset "
<< msg->offset() << ") key");
/* verify value */
failures +=
check_equal(msgs[i + 1], (const char *)msg->payload(), msg->len(),
tostr() << "message #" << (i / 2) << " (offset "
<< msg->offset() << ") value");
delete msg;
}
Test::Say(tostr() << "Done consuming, closing. " << failures
<< " test failures\n");
if (failures)
Test::Fail(tostr() << "See " << failures << " previous test failure(s)");
c->close();
delete c;
}
extern "C" {
int main_0070_null_empty(int argc, char **argv) {
if (test_broker_version >= TEST_BRKVER(0, 10, 0, 0))
do_test_null_empty(true);
do_test_null_empty(false);
return 0;
}
}
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