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.
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  package org.apache.camel.component.kafka.integration;
  
  import java.util.Collections;
  import java.util.Properties;
  import java.util.stream.StreamSupport;
  
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.kafka.KafkaConstants;
  import org.apache.camel.component.kafka.MockConsumerInterceptor;
  import org.apache.camel.component.kafka.integration.common.KafkaTestUtil;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.kafka.clients.producer.ProducerRecord;
  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 KafkaConsumerTopicIsPatternIT extends BaseKafkaTestSupport {
  
      public static final String TOPIC = "vess123d";
      public static final String TOPIC_PATTERN = "v.*d";
  
      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));
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
  
              @Override
              public void configure() {
                  from("kafka:" + TOPIC_PATTERN
                       + "?topicIsPattern=true&groupId=KafkaConsumerTopicIsPatternIT&autoOffsetReset=earliest"
                       + "&autoCommitIntervalMs=1000&pollTimeoutMs=1000&autoCommitEnable=true&interceptorClasses=org.apache.camel.component.kafka.MockConsumerInterceptor&metadataMaxAgeMs=1000")
                          .to(KafkaTestUtil.MOCK_RESULT);
              }
          };
      }
  
      @Test
      public void kafkaTopicIsPattern() throws Exception {
          MockEndpoint to = contextExtension.getMockEndpoint(KafkaTestUtil.MOCK_RESULT);
  
          to.expectedMessageCount(5);
          to.expectedBodiesReceivedInAnyOrder("message-0", "message-1", "message-2", "message-3", "message-4");
          to.allMessages().header(KafkaConstants.TOPIC).isEqualTo(TOPIC);
          // 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);
  
          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);
  
          assertEquals(5, MockConsumerInterceptor.recordsCaptured.stream()
                  .flatMap(i -> StreamSupport.stream(i.records(TOPIC).spliterator(), false)).count());
      }
  
  }
  