| package org.apache.helix.controller.rebalancer; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.helix.controller.stages.CurrentStateOutput; |
| import org.apache.helix.model.BuiltInStateModelDefinitions; |
| import org.apache.helix.model.ClusterConfig; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.Partition; |
| import org.apache.helix.util.TestInputLoader; |
| import org.testng.Assert; |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| |
| |
| public class TestAbstractRebalancer { |
| |
| @Test(dataProvider = "TestComputeBestPossibleStateInput") |
| public void testComputeBestPossibleState(String comment, String stateModelName, List<String> liveInstances, |
| List<String> preferenceList, Map<String, String> currentStateMap, List<String> disabledInstancesForPartition, |
| Map<String, String> expectedBestPossibleMap) { |
| System.out.println("Test case comment: " + comment); |
| AutoRebalancer rebalancer = new AutoRebalancer(); |
| Partition partition = new Partition("testPartition"); |
| CurrentStateOutput currentStateOutput = new CurrentStateOutput(); |
| for (String instance : currentStateMap.keySet()) { |
| currentStateOutput |
| .setCurrentState("test", partition, instance, currentStateMap.get(instance)); |
| } |
| Map<String, String> bestPossibleMap = rebalancer |
| .computeBestPossibleStateForPartition(new HashSet<String>(liveInstances), |
| BuiltInStateModelDefinitions.valueOf(stateModelName).getStateModelDefinition(), |
| preferenceList, currentStateOutput, new HashSet<String>(disabledInstancesForPartition), |
| new IdealState("test"), new ClusterConfig("TestCluster"), partition); |
| |
| Assert.assertTrue(bestPossibleMap.equals(expectedBestPossibleMap)); |
| } |
| |
| @DataProvider(name = "TestComputeBestPossibleStateInput") |
| public Object[][] loadTestComputeBestPossibleStateInput() { |
| final String[] params = {"comment", "stateModel", "liveInstances", "preferenceList", "currentStateMap", |
| "disabledInstancesForPartition", "expectedBestPossibleStateMap"}; |
| return TestInputLoader.loadTestInputs("TestAbstractRebalancer.ComputeBestPossibleState.json", params); |
| } |
| } |