| package org.apache.helix.model; |
| |
| /* |
| * 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.time.Instant; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import com.google.common.base.Splitter; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.api.status.ClusterManagementMode; |
| import org.apache.helix.zookeeper.zkclient.NetworkUtil; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestControllerHistoryModel { |
| @Test |
| public void testManagementModeHistory() { |
| ControllerHistory controllerHistory = new ControllerHistory("HISTORY"); |
| String controller = "controller-0"; |
| ClusterManagementMode mode = new ClusterManagementMode(ClusterManagementMode.Type.CLUSTER_FREEZE, |
| ClusterManagementMode.Status.COMPLETED); |
| long time = System.currentTimeMillis(); |
| String fromHost = NetworkUtil.getLocalhostName(); |
| String reason = TestHelper.getTestMethodName(); |
| controllerHistory.updateManagementModeHistory(controller, mode, fromHost, time, reason); |
| |
| List<String> historyList = controllerHistory.getManagementModeHistory(); |
| String lastHistory = historyList.get(historyList.size() - 1); |
| Map<String, String> historyMap = stringToMap(lastHistory); |
| |
| Map<String, String> expectedMap = new HashMap<>(); |
| expectedMap.put("CONTROLLER", controller); |
| expectedMap.put("TIME", Instant.ofEpochMilli(time).toString()); |
| expectedMap.put("MODE", mode.getMode().name()); |
| expectedMap.put("STATUS", mode.getStatus().name()); |
| expectedMap.put(PauseSignal.PauseSignalProperty.FROM_HOST.name(), fromHost); |
| expectedMap.put(PauseSignal.PauseSignalProperty.REASON.name(), reason); |
| |
| Assert.assertEquals(historyMap, expectedMap); |
| |
| // Add more than 10 entries, it should only keep the latest 10. |
| List<String> reasonList = new ArrayList<>(); |
| for (int i = 0; i < 15; i++) { |
| String reasonI = reason + "-" + i; |
| controllerHistory.updateManagementModeHistory(controller, mode, fromHost, time, reasonI); |
| reasonList.add(reasonI); |
| } |
| |
| historyList = controllerHistory.getManagementModeHistory(); |
| |
| Assert.assertEquals(historyList.size(), 10); |
| |
| // Assert the history is the latest 10 entries. |
| int i = 5; |
| for (String entry : historyList) { |
| Map<String, String> actual = stringToMap(entry); |
| Assert.assertEquals(actual.get(PauseSignal.PauseSignalProperty.REASON.name()), |
| reasonList.get(i++)); |
| } |
| } |
| |
| /** |
| * Performs conversion from a map string into a map. The string was converted by map's toString(). |
| * |
| * @param mapAsString A string that is converted by map's toString() method. |
| * Example: "{k1=v1, k2=v2}" |
| * @return Map<String, String> |
| */ |
| private static Map<String, String> stringToMap(String mapAsString) { |
| return Splitter.on(", ").withKeyValueSeparator('=') |
| .split(mapAsString.substring(1, mapAsString.length() - 1)); |
| } |
| } |