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.consumer;
  
  import org.apache.kafka.common.header.internals.RecordHeaders;
  import org.apache.kafka.common.record.TimestampType;
  
  import org.junit.jupiter.api.Test;
  
  import java.time.Duration;
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.Optional;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  
  public class MockShareConsumerTest {
      private final MockShareConsumer<String, String> consumer = new MockShareConsumer<>();
  
      @Test
      public void testSimpleMock() {
          consumer.subscribe(Collections.singleton("test"));
          assertEquals(0, consumer.poll(Duration.ZERO).count());
          ConsumerRecord<String, String> rec1 = new ConsumerRecord<>("test", 0, 0, 0L, TimestampType.CREATE_TIME,
                  0, 0, "key1", "value1", new RecordHeaders(), Optional.empty());
          ConsumerRecord<String, String> rec2 = new ConsumerRecord<>("test", 0, 1, 0L, TimestampType.CREATE_TIME,
                  0, 0, "key2", "value2", new RecordHeaders(), Optional.empty());
          consumer.addRecord(rec1);
          consumer.addRecord(rec2);
          ConsumerRecords<String, String> recs = consumer.poll(Duration.ofMillis(1));
          Iterator<ConsumerRecord<String, String>> iter = recs.iterator();
          assertEquals(rec1, iter.next());
          assertEquals(rec2, iter.next());
          assertFalse(iter.hasNext());
          assertEquals(0, recs.nextOffsets().size());
      }
  }