| package org.apache.helix; |
| |
| /* |
| * 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.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.TreeMap; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.tools.IdealStateCalculatorForEspressoRelay; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestRelayIdealStateCalculator { |
| @Test() |
| public void testEspressoStorageClusterIdealState() throws Exception { |
| testEspressoStorageClusterIdealState(15, 9, 3); |
| testEspressoStorageClusterIdealState(15, 6, 3); |
| testEspressoStorageClusterIdealState(15, 6, 2); |
| testEspressoStorageClusterIdealState(6, 4, 2); |
| } |
| |
| public void testEspressoStorageClusterIdealState(int partitions, int nodes, int replica) |
| throws Exception { |
| List<String> storageNodes = new ArrayList<String>(); |
| for (int i = 0; i < partitions; i++) { |
| storageNodes.add("localhost:123" + i); |
| } |
| |
| List<String> relays = new ArrayList<String>(); |
| for (int i = 0; i < nodes; i++) { |
| relays.add("relay:123" + i); |
| } |
| |
| IdealState idealstate = |
| IdealStateCalculatorForEspressoRelay.calculateRelayIdealState(storageNodes, relays, "TEST", |
| replica, "Leader", "Standby", "LeaderStandby"); |
| |
| Assert.assertEquals(idealstate.getRecord().getListFields().size(), idealstate.getRecord() |
| .getMapFields().size()); |
| |
| Map<String, Integer> countMap = new TreeMap<String, Integer>(); |
| for (String key : idealstate.getRecord().getListFields().keySet()) { |
| Assert.assertEquals(idealstate.getRecord().getListFields().get(key).size(), idealstate |
| .getRecord().getMapFields().get(key).size()); |
| List<String> list = idealstate.getRecord().getListFields().get(key); |
| Map<String, String> map = idealstate.getRecord().getMapFields().get(key); |
| Assert.assertEquals(list.size(), replica); |
| for (String val : list) { |
| if (!countMap.containsKey(val)) { |
| countMap.put(val, 1); |
| } else { |
| countMap.put(val, countMap.get(val) + 1); |
| } |
| Assert.assertTrue(map.containsKey(val)); |
| } |
| } |
| for (String nodeName : countMap.keySet()) { |
| Assert.assertTrue(countMap.get(nodeName) <= partitions * replica / nodes + 1); |
| // System.out.println(nodeName + " " + countMap.get(nodeName)); |
| } |
| System.out.println(); |
| } |
| } |