| package org.apache.helix.controller.stages; |
| |
| /* |
| * 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.Collections; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.controller.stages.MessageSelectionStage.Bounds; |
| import org.apache.helix.model.BuiltInStateModelDefinitions; |
| import org.apache.helix.model.LiveInstance; |
| import org.apache.helix.model.Message; |
| import org.apache.helix.model.Message.MessageState; |
| import org.apache.helix.model.Message.MessageType; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestMsgSelectionStage { |
| private Message newMessage(String resourceName, String partitionName, String instanceName, |
| String fromState, String toState) { |
| String uuid = UUID.randomUUID().toString(); |
| Message message = new Message(MessageType.STATE_TRANSITION, uuid); |
| message.setSrcName("controller"); |
| message.setTgtName(instanceName); |
| message.setMsgState(MessageState.NEW); |
| message.setResourceName(resourceName); |
| message.setPartitionName(partitionName); |
| message.setFromState(fromState); |
| message.setToState(toState); |
| message.setTgtSessionId("sessionId"); |
| message.setSrcSessionId("sessionId"); |
| message.setStateModelDef("MasterSlave"); |
| message.setStateModelFactoryName("DEFAULT"); |
| message.setBucketSize(0); |
| return message; |
| } |
| |
| @Test |
| public void testMasterXfer() { |
| System.out.println("START testMasterXfer at " + new Date(System.currentTimeMillis())); |
| |
| Map<String, LiveInstance> liveInstances = new HashMap<String, LiveInstance>(); |
| liveInstances.put("localhost_0", new LiveInstance("localhost_0")); |
| liveInstances.put("localhost_1", new LiveInstance("localhost_1")); |
| |
| Map<String, String> currentStates = new HashMap<String, String>(); |
| currentStates.put("localhost_0", "SLAVE"); |
| currentStates.put("localhost_1", "MASTER"); |
| |
| Map<String, Message> pendingMessages = new HashMap<String, Message>(); |
| |
| List<Message> messages = new ArrayList<Message>(); |
| messages.add(TestHelper.createMessage("msgId_0", "SLAVE", "MASTER", "localhost_0", "TestDB", |
| "TestDB_0")); |
| messages.add(TestHelper.createMessage("msgId_1", "MASTER", "SLAVE", "localhost_1", "TestDB", |
| "TestDB_0")); |
| |
| Map<String, Bounds> stateConstraints = new HashMap<String, Bounds>(); |
| stateConstraints.put("MASTER", new Bounds(0, 1)); |
| stateConstraints.put("SLAVE", new Bounds(0, 2)); |
| |
| Map<String, Integer> stateTransitionPriorities = new HashMap<String, Integer>(); |
| stateTransitionPriorities.put("MASTER-SLAVE", 0); |
| stateTransitionPriorities.put("SLAVE-MASTER", 1); |
| |
| List<Message> selectedMsg = |
| new MessageSelectionStage().selectMessages(liveInstances, currentStates, pendingMessages, |
| messages, Collections.<Message>emptyList(), stateConstraints, stateTransitionPriorities, |
| BuiltInStateModelDefinitions.MasterSlave.getStateModelDefinition(), false); |
| |
| Assert.assertEquals(selectedMsg.size(), 1); |
| Assert.assertEquals(selectedMsg.get(0).getMsgId(), "msgId_1"); |
| System.out.println("END testMasterXfer at " + new Date(System.currentTimeMillis())); |
| } |
| |
| @Test |
| public void testMasterXferAfterMasterResume() { |
| System.out.println("START testMasterXferAfterMasterResume at " |
| + new Date(System.currentTimeMillis())); |
| |
| Map<String, LiveInstance> liveInstances = new HashMap<String, LiveInstance>(); |
| liveInstances.put("localhost_0", new LiveInstance("localhost_0")); |
| liveInstances.put("localhost_1", new LiveInstance("localhost_1")); |
| |
| Map<String, String> currentStates = new HashMap<String, String>(); |
| currentStates.put("localhost_0", "SLAVE"); |
| currentStates.put("localhost_1", "SLAVE"); |
| |
| Map<String, Message> pendingMessages = new HashMap<String, Message>(); |
| pendingMessages.put("localhost_1", newMessage("TestDB", "TestDB_0", "localhost_1", "SLAVE", "MASTER")); |
| |
| List<Message> messages = new ArrayList<Message>(); |
| messages.add(TestHelper.createMessage("msgId_0", "SLAVE", "MASTER", "localhost_0", "TestDB", |
| "TestDB_0")); |
| |
| Map<String, Bounds> stateConstraints = new HashMap<String, Bounds>(); |
| stateConstraints.put("MASTER", new Bounds(0, 1)); |
| stateConstraints.put("SLAVE", new Bounds(0, 2)); |
| |
| Map<String, Integer> stateTransitionPriorities = new HashMap<String, Integer>(); |
| stateTransitionPriorities.put("MASTER-SLAVE", 0); |
| stateTransitionPriorities.put("SLAVE-MASTER", 1); |
| |
| List<Message> selectedMsg = |
| new MessageSelectionStage().selectMessages(liveInstances, currentStates, pendingMessages, |
| messages, Collections.<Message>emptyList(), stateConstraints, stateTransitionPriorities, |
| BuiltInStateModelDefinitions.MasterSlave.getStateModelDefinition(), false); |
| |
| Assert.assertEquals(selectedMsg.size(), 0); |
| System.out.println("END testMasterXferAfterMasterResume at " |
| + new Date(System.currentTimeMillis())); |
| } |
| } |