content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.kafka.clients.producer;
  
  import org.apache.kafka.clients.producer.internals.FutureRecordMetadata;
  import org.apache.kafka.clients.producer.internals.ProduceRequestResult;
  import org.apache.kafka.common.TopicPartition;
  import org.apache.kafka.common.errors.CorruptRecordException;
  import org.apache.kafka.common.record.RecordBatch;
  import org.apache.kafka.common.utils.Time;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.concurrent.ExecutionException;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.TimeoutException;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  public class RecordSendTest {
  
      private final TopicPartition topicPartition = new TopicPartition("test", 0);
      private final long baseOffset = 45;
      private final int relOffset = 5;
  
      /**
       * Test that waiting on a request that never completes times out
       */
      @Test
      public void testTimeout() throws Exception {
          ProduceRequestResult request = new ProduceRequestResult(topicPartition);
          FutureRecordMetadata future = new FutureRecordMetadata(request, relOffset,
                  RecordBatch.NO_TIMESTAMP, 0, 0, Time.SYSTEM);
          assertFalse(future.isDone(), "Request is not completed");
          try {
              future.get(5, TimeUnit.MILLISECONDS);
              fail("Should have thrown exception.");
          } catch (TimeoutException e) { /* this is good */
          }
  
          request.set(baseOffset, RecordBatch.NO_TIMESTAMP, null);
          request.done();
          assertTrue(future.isDone());
          assertEquals(baseOffset + relOffset, future.get().offset());
      }
  
      /**
       * Test that an asynchronous request will eventually throw the right exception
       */
      @Test
      public void testError() {
          FutureRecordMetadata future = new FutureRecordMetadata(asyncRequest(baseOffset, new CorruptRecordException(), 50L),
                  relOffset, RecordBatch.NO_TIMESTAMP, 0, 0, Time.SYSTEM);
          assertThrows(ExecutionException.class, future::get);
      }
  
      /**
       * Test that an asynchronous request will eventually return the right offset
       */
      @Test
      public void testBlocking() throws Exception {
          FutureRecordMetadata future = new FutureRecordMetadata(asyncRequest(baseOffset, null, 50L),
                  relOffset, RecordBatch.NO_TIMESTAMP, 0, 0, Time.SYSTEM);
          assertEquals(baseOffset + relOffset, future.get().offset());
      }
  
      /* create a new request result that will be completed after the given timeout */
      public ProduceRequestResult asyncRequest(final long baseOffset, final RuntimeException error, final long timeout) {
          final ProduceRequestResult request = new ProduceRequestResult(topicPartition);
          Thread thread = new Thread(() -> {
              try {
                  Thread.sleep(timeout);
                  if (error == null) {
                      request.set(baseOffset, RecordBatch.NO_TIMESTAMP, null);
                  } else {
                      request.set(-1L, RecordBatch.NO_TIMESTAMP, index -> error);
                  }
  
                  request.done();
              } catch (InterruptedException e) { }
          });
          thread.start();
          return request;
      }
  
  }
  