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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017 European Software Marketing Ltd.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.aai.event.client;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.common.TopicPartition;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.runners.MockitoJUnitRunner;
@RunWith(MockitoJUnitRunner.class)
public class TestKafkaEventConsumer {
@Mock
public KafkaConsumer<String, String> mockKafkaConsumer;
@Before
public void init() throws Exception {
KafkaEventConsumer.setConsumerFactory(props -> mockKafkaConsumer);
}
@Test
public void testConstructor() {
new KafkaEventConsumer("", "", "");
}
@Test
public void consumeZeroRecords() throws Exception {
Mockito.when(mockKafkaConsumer.poll(Mockito.anyLong())).thenReturn(ConsumerRecords.empty());
KafkaEventConsumer consumer = new KafkaEventConsumer("", "", "");
consumer.consume();
consumer.consumeWithOffsets();
consumer.consumeAndCommit();
consumer.close();
}
@Test
public void consumeMultipleRecords() throws Exception {
Map<TopicPartition, List<ConsumerRecord<String, String>>> records = new HashMap<>();
records.put(new TopicPartition(null, 0),
Arrays.asList(new ConsumerRecord<String, String>("topic", 0, 0, "key", "value")));
Mockito.when(mockKafkaConsumer.poll(Mockito.anyLong())).thenReturn(new ConsumerRecords<>(records));
KafkaEventConsumer consumer = new KafkaEventConsumer("", "", "");
consumer.consume();
consumer.consumeWithOffsets();
consumer.consumeAndCommit();
consumer.close();
}
@Test
public void commitOffsets() throws Exception {
List<TopicPartition> partitionsList = Arrays.asList(new TopicPartition(null, 0));
Set<TopicPartition> partitionsSet = Collections.unmodifiableSet(new HashSet<TopicPartition>(partitionsList));
Mockito.when(mockKafkaConsumer.assignment()).thenReturn(partitionsSet);
KafkaEventConsumer consumer = new KafkaEventConsumer("", "", "");
consumer.commitOffsets();
consumer.commitOffsets(0L);
consumer.close();
}
}
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