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   * 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,
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   * See the License for the specific language governing permissions and
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  package org.apache.camel.component.kafka.integration;
  
  import java.util.Collections;
  import java.util.Map;
  import java.util.Properties;
  import java.util.stream.StreamSupport;
  import org.apache.camel.EndpointInject;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.kafka.KafkaConstants;
  import org.apache.camel.component.kafka.KafkaEndpoint;
  import org.apache.camel.component.kafka.SeekPolicy;
  import org.apache.camel.component.kafka.serde.DefaultKafkaHeaderDeserializer;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  import org.apache.kafka.clients.producer.ProducerRecord;
  import org.apache.kafka.common.header.internals.RecordHeader;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.MethodOrderer;
  import org.junit.jupiter.api.Order;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.TestMethodOrder;
  import org.junit.jupiter.api.condition.DisabledIfSystemProperty;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.test.annotation.DirtiesContext;
  
  import static org.apache.camel.test.junit5.TestSupport.assertIsInstanceOf;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  @TestMethodOrder(MethodOrderer.OrderAnnotation.class)
  @DirtiesContext
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, BaseEmbeddedKafkaTestSupport.DefaulKafkaComponent.class,
          KafkaConsumerFullIT.class, KafkaConsumerFullIT.TestConfiguration.class, })
  @DisabledIfSystemProperty(named = "ci.env.name", matches = "github.com", disabledReason = "Disabled on GH Action due to Docker limit")
  public class KafkaConsumerFullIT extends BaseEmbeddedKafkaTestSupport {
      public static final String TOPIC = "test-full";
  
      private static final Logger LOG = LoggerFactory.getLogger(KafkaConsumerFullIT.class);
  
      private final String from = "kafka:" + TOPIC
              + "?groupId=group1&autoOffsetReset=earliest&keyDeserializer=org.apache.kafka.common.serialization.StringDeserializer&"
              + "valueDeserializer=org.apache.kafka.common.serialization.StringDeserializer"
              + "&autoCommitIntervalMs=1000&sessionTimeoutMs=30000&autoCommitEnable=true&interceptorClasses=org.apache.camel.component.kafka.integration.MockConsumerInterceptor";
  
      @EndpointInject("mock:result")
      private MockEndpoint to;
  
      private org.apache.kafka.clients.producer.KafkaProducer<String, String> producer;
  
      @BeforeEach
      public void before() {
          Properties props = getDefaultProperties();
          producer = new org.apache.kafka.clients.producer.KafkaProducer<>(props);
          MockConsumerInterceptor.recordsCaptured.clear();
      }
  
      @AfterEach
      public void after() {
          if (producer != null) {
              producer.close();
          }
          // clean all test topics
          kafkaAdminClient.deleteTopics(Collections.singletonList(TOPIC)).all();
          to.reset();
      }
  
      @Order(3)
      @Test
      public void kafkaMessageIsConsumedByCamel() throws InterruptedException {
          String propagatedHeaderKey = "PropagatedCustomHeader";
          byte[] propagatedHeaderValue = "propagated header value".getBytes();
          String skippedHeaderKey = "CamelSkippedHeader";
          to.expectedMessageCount(5);
          to.expectedBodiesReceivedInAnyOrder("message-0", "message-1", "message-2", "message-3", "message-4");
          // The LAST_RECORD_BEFORE_COMMIT header should not be configured on any
          // exchange because autoCommitEnable=true
          to.expectedHeaderValuesReceivedInAnyOrder(KafkaConstants.LAST_RECORD_BEFORE_COMMIT, null, null, null, null,
                  null);
          to.expectedHeaderReceived(propagatedHeaderKey, propagatedHeaderValue);
  
          for (int k = 0; k < 5; k++) {
              String msg = "message-" + k;
              ProducerRecord<String, String> data = new ProducerRecord<>(TOPIC, "1", msg);
              data.headers().add(new RecordHeader("CamelSkippedHeader", "skipped header value".getBytes()));
              data.headers().add(new RecordHeader(propagatedHeaderKey, propagatedHeaderValue));
              producer.send(data);
          }
  
          to.assertIsSatisfied(3000);
  
          assertEquals(5, StreamSupport
                  .stream(MockConsumerInterceptor.recordsCaptured.get(0).records(TOPIC).spliterator(), false).count());
  
          Map<String, Object> headers = to.getExchanges().get(0).getIn().getHeaders();
          assertFalse(headers.containsKey(skippedHeaderKey), "Should not receive skipped header");
          assertTrue(headers.containsKey(propagatedHeaderKey), "Should receive propagated header");
      }
  
      @Order(2)
      @Test
      public void kafkaRecordSpecificHeadersAreNotOverwritten() throws InterruptedException {
          String propagatedHeaderKey = KafkaConstants.TOPIC;
          byte[] propagatedHeaderValue = "propagated incorrect topic".getBytes();
          to.expectedHeaderReceived(KafkaConstants.TOPIC, TOPIC);
  
          ProducerRecord<String, String> data = new ProducerRecord<>(TOPIC, "1", "message");
          data.headers().add(new RecordHeader(propagatedHeaderKey, propagatedHeaderValue));
          producer.send(data);
  
          to.assertIsSatisfied(3000);
  
          Map<String, Object> headers = to.getExchanges().get(0).getIn().getHeaders();
          assertTrue(headers.containsKey(KafkaConstants.TOPIC),
                  "Should receive KafkaEndpoint populated kafka.TOPIC header");
          assertEquals(TOPIC, headers.get(KafkaConstants.TOPIC), "Topic name received");
      }
  
      @Test
      @Order(1)
      public void kafkaMessageIsConsumedByCamelSeekedToBeginning() throws Exception {
          to.expectedMessageCount(5);
          to.expectedBodiesReceivedInAnyOrder("message-0", "message-1", "message-2", "message-3", "message-4");
          for (int k = 0; k < 5; k++) {
              String msg = "message-" + k;
              ProducerRecord<String, String> data = new ProducerRecord<>(TOPIC, "1", msg);
              producer.send(data);
          }
          to.assertIsSatisfied(3000);
  
          to.reset();
  
          to.expectedMessageCount(5);
  
          to.expectedBodiesReceivedInAnyOrder("message-0", "message-1", "message-2", "message-3", "message-4");
  
          // Restart endpoint,
          context.getRouteController().stopRoute("full-it");
  
          KafkaEndpoint kafkaEndpoint = (KafkaEndpoint) context.getEndpoint(from);
          kafkaEndpoint.getConfiguration().setSeekTo(SeekPolicy.BEGINNING);
  
          context.getRouteController().startRoute("full-it");
  
          // As wee set seek to beginning we should re-consume all messages
          to.assertIsSatisfied(3000);
      }
  
      @Order(4)
      @Test
      public void kafkaMessageIsConsumedByCamelSeekedToEnd() throws Exception {
          to.expectedMessageCount(5);
          to.expectedBodiesReceivedInAnyOrder("message-0", "message-1", "message-2", "message-3", "message-4");
          for (int k = 0; k < 5; k++) {
              String msg = "message-" + k;
              ProducerRecord<String, String> data = new ProducerRecord<>(TOPIC, "1", msg);
              producer.send(data);
          }
          to.assertIsSatisfied(3000);
  
          to.reset();
  
          to.expectedMessageCount(0);
  
          // Restart endpoint,
          context.getRouteController().stopRoute("full-it");
  
          KafkaEndpoint kafkaEndpoint = (KafkaEndpoint) context.getEndpoint(from);
          kafkaEndpoint.getConfiguration().setSeekTo(SeekPolicy.END);
  
          context.getRouteController().startRoute("full-it");
  
          to.assertIsSatisfied(3000);
      }
  
      @Order(5)
      @Test
      public void headerDeserializerCouldBeOverridden() {
          KafkaEndpoint kafkaEndpoint = context.getEndpoint("kafka:random_topic?headerDeserializer=#myHeaderDeserializer",
                  KafkaEndpoint.class);
          assertIsInstanceOf(MyKafkaHeaderDeserializer.class, kafkaEndpoint.getConfiguration().getHeaderDeserializer());
      }
  
      @Configuration
      public class TestConfiguration {
          @Bean
          public RouteBuilder routeBuilder() {
              return new RouteBuilder() {
                  @Override
                  public void configure() {
                      from(from).process(
                              exchange -> LOG.trace("Captured on the processor: {}", exchange.getMessage().getBody()))
                              .routeId("full-it").to(to);
                  }
              };
          }
  
          @Bean("myHeaderDeserializer")
          public MyKafkaHeaderDeserializer createMyKafkaHeaderDeserializer() {
              return new MyKafkaHeaderDeserializer();
          }
      }
  
      private static class MyKafkaHeaderDeserializer extends DefaultKafkaHeaderDeserializer {
      }
  }
  