| /* |
| * 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.solr.client.solrj.cloud.autoscaling; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.solr.SolrTestCaseJ4; |
| import org.apache.solr.common.cloud.Replica; |
| import org.apache.solr.common.cloud.ZkStateReader; |
| import org.apache.solr.common.util.Pair; |
| import org.junit.Test; |
| |
| import static org.apache.solr.client.solrj.cloud.autoscaling.MoveReplicaSuggester.leaderLast; |
| |
| public class MoveReplicaSuggesterTest extends SolrTestCaseJ4 { |
| private String CORE = "collection_shard1_replica_n1"; |
| private String COLLECTION = "collection"; |
| private String SHARD = "shard1"; |
| private Map<String, Object> IS_LEADER = Collections.singletonMap(ZkStateReader.LEADER_PROP, true); |
| private String NODE = "127.0.0.1:8080_solr"; |
| private Replica.Type REPLICA_TYPE = Replica.Type.NRT; |
| private Row ROW = null; |
| |
| private ReplicaInfo REPLICA_INFO_ONE = new ReplicaInfo("core_node1", CORE, COLLECTION, SHARD, REPLICA_TYPE, NODE, IS_LEADER); |
| private ReplicaInfo REPLICA_INFO_TWO = new ReplicaInfo("core_node2", CORE, COLLECTION, SHARD, REPLICA_TYPE, NODE, null); |
| private ReplicaInfo REPLICA_INFO_THREE = new ReplicaInfo("core_node3", CORE, COLLECTION, SHARD, REPLICA_TYPE, NODE, IS_LEADER); |
| private ReplicaInfo REPLICA_INFO_FOUR = new ReplicaInfo("core_node4", CORE, COLLECTION, SHARD, REPLICA_TYPE, NODE, null); |
| |
| private Pair<ReplicaInfo, Row> PAIR_ONE = new Pair<>(REPLICA_INFO_ONE, ROW); |
| private Pair<ReplicaInfo, Row> PAIR_TWO = new Pair<>(REPLICA_INFO_TWO, ROW); |
| private Pair<ReplicaInfo, Row> PAIR_THREE = new Pair<>(REPLICA_INFO_THREE, ROW); |
| private Pair<ReplicaInfo, Row> PAIR_FOUR = new Pair<>(REPLICA_INFO_FOUR, ROW); |
| |
| @Test |
| public void assertLeaderProperties() { |
| assertTrue(REPLICA_INFO_ONE.isLeader); |
| assertFalse(REPLICA_INFO_TWO.isLeader); |
| assertTrue(REPLICA_INFO_THREE.isLeader); |
| assertFalse(REPLICA_INFO_FOUR.isLeader); |
| } |
| |
| @Test |
| public void sortReplicasValidate() { |
| List<Pair<ReplicaInfo, Row>> validReplicas = new ArrayList<Pair<ReplicaInfo, Row>>() { |
| { |
| add(PAIR_ONE); |
| add(PAIR_FOUR); |
| add(PAIR_TWO); |
| } |
| }; |
| if (random().nextBoolean()) { |
| Collections.shuffle(validReplicas, random()); |
| } |
| validReplicas.sort(leaderLast); |
| |
| assertFalse(isReplicaLeader(validReplicas, 0)); |
| assertFalse(isReplicaLeader(validReplicas, 1)); |
| assertTrue(isReplicaLeader(validReplicas, 2)); |
| } |
| |
| @Test |
| public void sortReplicasValidateLeadersMultipleLeadersComeLast() { |
| List<Pair<ReplicaInfo, Row>> validReplicas = new ArrayList<Pair<ReplicaInfo, Row>>() { |
| { |
| add(PAIR_THREE); |
| add(PAIR_ONE); |
| add(PAIR_FOUR); |
| add(PAIR_TWO); |
| } |
| }; |
| if (random().nextBoolean()) { |
| Collections.shuffle(validReplicas, random()); |
| } |
| validReplicas.sort(leaderLast); |
| |
| assertFalse(isReplicaLeader(validReplicas, 0)); |
| assertFalse(isReplicaLeader(validReplicas, 1)); |
| assertTrue(isReplicaLeader(validReplicas, 2)); |
| assertTrue(isReplicaLeader(validReplicas, 3)); |
| } |
| |
| private boolean isReplicaLeader(List<Pair<ReplicaInfo, Row>> replicas, int index) { |
| return replicas.get(index).first().isLeader; |
| } |
| |
| } |