clients/src/test/java/org/apache/kafka/common/PartitionInfoTest.java

/*
 * 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.common;

import org.junit.Assert;
import org.junit.Test;

public class PartitionInfoTest {

    @Test
    public void testToString() {
        String topic = "sample";
        int partition = 0;
        Node leader = new Node(0, "localhost", 9092);
        Node r1 = new Node(1, "localhost", 9093);
        Node r2 = new Node(2, "localhost", 9094);
        Node[] replicas = new Node[] {leader, r1, r2};
        Node[] inSyncReplicas = new Node[] {leader, r1};
        Node[] offlineReplicas = new Node[] {r2};
        PartitionInfo partitionInfo = new PartitionInfo(topic, partition, leader, replicas, inSyncReplicas, offlineReplicas);

        String expected = String.format("Partition(topic = %s, partition = %d, leader = %s, replicas = %s, isr = %s, offlineReplicas = %s)",
                topic, partition, leader.idString(), "[0,1,2]", "[0,1]", "[2]");
        Assert.assertEquals(expected, partitionInfo.toString());
    }

}