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.camel.component.kafka.integration;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.stream.StreamSupport;
  
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.kafka.MockConsumerInterceptor;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class KafkaProducerUseIteratorFalseIT extends BaseKafkaTestSupport {
  
      private static final String TOPIC = "use-iterator-false";
  
      private static final String FROM_URI = "kafka:" + TOPIC
                                             + "?groupId=KafkaProducerUseIteratorFalseIT&autoOffsetReset=earliest&keyDeserializer=org.apache.kafka.common.serialization.StringDeserializer&"
                                             + "valueDeserializer=org.apache.kafka.common.serialization.StringDeserializer"
                                             + "&autoCommitIntervalMs=1000&pollTimeoutMs=1000&autoCommitEnable=true&interceptorClasses=org.apache.camel.component.kafka.MockConsumerInterceptor";
  
      @BeforeEach
      public void init() {
          MockConsumerInterceptor.recordsCaptured.clear();
      }
  
      @AfterEach
      public void after() {
          // clean all test topics
          kafkaAdminClient.deleteTopics(Collections.singletonList(TOPIC));
      }
  
      @Test
      public void testUseIteratorFalse() throws Exception {
          List<String> body = new ArrayList<>();
          body.add("first");
          body.add("second");
  
          MockEndpoint mock = contextExtension.getMockEndpoint("mock:result");
          mock.expectedBodiesReceived(body.toString());
  
          contextExtension.getProducerTemplate().sendBody("direct:start", body);
  
          mock.assertIsSatisfied(5000);
  
          assertEquals(1, MockConsumerInterceptor.recordsCaptured.stream()
                  .flatMap(i -> StreamSupport.stream(i.records(TOPIC).spliterator(), false)).count());
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  from("direct:start").to("kafka:" + TOPIC + "?groupId=KafkaProducerUseIteratorFalseIT&useIterator=false");
  
                  from(FROM_URI)
                          .to("mock:result");
              }
          };
      }
  
  }
  