@Override
public void deleteTestTopic(String topic) {
LOG.info("Deleting topic {}", topic);
ZkClient zk = createZkClient();
AdminUtils.deleteTopic(zk, topic);
zk.close();
}
@Test
public void testKafkaConsumer09Read() throws IOException, StageException {
int zkConnectionTimeout = 6000;
int zkSessionTimeout = 6000;
EmbeddedZookeeper zookeeper = new EmbeddedZookeeper();
String zkConnect = String.format("127.0.0.1:%d", zookeeper.port());
ZkUtils zkUtils =
ZkUtils.apply(
zkConnect, zkSessionTimeout, zkConnectionTimeout, JaasUtils.isZkSecurityEnabled());
int port = TestUtil.getFreePort();
KafkaServer kafkaServer = TestUtil.createKafkaServer(port, zkConnect);
final String topic = "TestKafkaConsumer09_1";
final String message = "Hello StreamSets";
Source.Context sourceContext =
ContextInfoCreator.createSourceContext(
"s", false, OnRecordError.TO_ERROR, ImmutableList.of("a"));
Map<String, Object> props = new HashMap<>();
props.put("auto.commit.interval.ms", "1000");
props.put("auto.offset.reset", "earliest");
props.put("session.timeout.ms", "30000");
SdcKafkaConsumer sdcKafkaConsumer =
createSdcKafkaConsumer("localhost:" + port, topic, 1000, sourceContext, props, "test");
sdcKafkaConsumer.validate(new ArrayList<Stage.ConfigIssue>(), sourceContext);
sdcKafkaConsumer.init();
// produce some messages to topic
produce(topic, "localhost:" + port, message);
// read
List<MessageAndOffset> read = new ArrayList<>();
while (read.size() < 10) {
MessageAndOffset messageAndOffset = sdcKafkaConsumer.read();
if (messageAndOffset != null) {
read.add(messageAndOffset);
}
}
// verify
Assert.assertNotNull(read);
Assert.assertEquals(10, read.size());
verify(read, message);
// delete topic and shutdown
AdminUtils.deleteTopic(zkUtils, topic);
kafkaServer.shutdown();
zookeeper.shutdown();
}