/*
* 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 static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.common.record.TimestampType;
import org.junit.Test;
public class ConsumerRecordsTest {
@Test
public void iterator() throws Exception {
Map<TopicPartition, List<ConsumerRecord<Integer, String>>> records = new LinkedHashMap<>();
String topic = "topic";
records.put(new TopicPartition(topic, 0), new ArrayList<ConsumerRecord<Integer, String>>());
ConsumerRecord<Integer, String> record1 = new ConsumerRecord<>(topic, 1, 0, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, 1, "value1");
ConsumerRecord<Integer, String> record2 = new ConsumerRecord<>(topic, 1, 1, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, 2, "value2");
records.put(new TopicPartition(topic, 1), Arrays.asList(record1, record2));
records.put(new TopicPartition(topic, 2), new ArrayList<ConsumerRecord<Integer, String>>());
ConsumerRecords<Integer, String> consumerRecords = new ConsumerRecords<>(records);
Iterator<ConsumerRecord<Integer, String>> iter = consumerRecords.iterator();
int c = 0;
for (; iter.hasNext(); c++) {
ConsumerRecord<Integer, String> record = iter.next();
assertEquals(1, record.partition());
assertEquals(topic, record.topic());
assertEquals(c, record.offset());
}
assertEquals(2, c);
}
}