| package org.apache.helix.participant; |
| |
| /* |
| * 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 org.apache.helix.NotificationContext; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.zookeeper.datamodel.ZNRecord; |
| import org.apache.helix.ZkUnitTestBase; |
| import org.apache.helix.model.Message; |
| import org.apache.helix.model.Message.MessageType; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| public class TestDistControllerStateModel extends ZkUnitTestBase { |
| private static Logger LOG = LoggerFactory.getLogger(TestDistControllerStateModel.class); |
| |
| final String clusterName = CLUSTER_PREFIX + "_" + getShortClassName(); |
| DistClusterControllerStateModel stateModel = null; |
| |
| @BeforeMethod() |
| public void beforeMethod() { |
| stateModel = new DistClusterControllerStateModel(ZK_ADDR); |
| if (_gZkClient.exists("/" + clusterName)) { |
| _gZkClient.deleteRecursively("/" + clusterName); |
| } |
| TestHelper.setupEmptyCluster(_gZkClient, clusterName); |
| } |
| |
| @AfterMethod |
| public void afterMethod() throws Exception { |
| if (_gZkClient.exists("/" + clusterName)) { |
| TestHelper.dropCluster(clusterName, _gZkClient); |
| } |
| } |
| |
| @Test() |
| public void testOnBecomeStandbyFromOffline() { |
| stateModel.onBecomeStandbyFromOffline(new Message(new ZNRecord("test")), null); |
| } |
| |
| @Test() |
| public void testOnBecomeLeaderFromStandby() { |
| Message message = new Message(MessageType.STATE_TRANSITION, "0"); |
| message.setPartitionName(clusterName); |
| message.setTgtName("controller_0"); |
| try { |
| stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null)); |
| } catch (Exception e) { |
| LOG.error("Exception becoming leader from standby", e); |
| } |
| stateModel.onBecomeStandbyFromLeader(message, new NotificationContext(null)); |
| } |
| |
| @Test() |
| public void testOnBecomeStandbyFromLeader() { |
| Message message = new Message(MessageType.STATE_TRANSITION, "0"); |
| message.setPartitionName(clusterName); |
| message.setTgtName("controller_0"); |
| stateModel.onBecomeStandbyFromLeader(message, new NotificationContext(null)); |
| } |
| |
| @Test() |
| public void testOnBecomeOfflineFromStandby() { |
| Message message = new Message(MessageType.STATE_TRANSITION, "0"); |
| message.setPartitionName(clusterName); |
| message.setTgtName("controller_0"); |
| |
| stateModel.onBecomeOfflineFromStandby(message, null); |
| } |
| |
| @Test() |
| public void testOnBecomeDroppedFromOffline() { |
| stateModel.onBecomeDroppedFromOffline(null, null); |
| } |
| |
| @Test() |
| public void testOnBecomeOfflineFromDropped() { |
| stateModel.onBecomeOfflineFromDropped(null, null); |
| } |
| |
| @Test() |
| public void testRollbackOnError() { |
| Message message = new Message(MessageType.STATE_TRANSITION, "0"); |
| message.setPartitionName(clusterName); |
| message.setTgtName("controller_0"); |
| try { |
| stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null)); |
| } catch (Exception e) { |
| LOG.error("Exception becoming leader from standby", e); |
| } |
| stateModel.rollbackOnError(message, new NotificationContext(null), null); |
| } |
| |
| @Test() |
| public void testReset() { |
| Message message = new Message(MessageType.STATE_TRANSITION, "0"); |
| message.setPartitionName(clusterName); |
| message.setTgtName("controller_0"); |
| try { |
| stateModel.onBecomeLeaderFromStandby(message, new NotificationContext(null)); |
| } catch (Exception e) { |
| LOG.error("Exception becoming leader from standby", e); |
| } |
| stateModel.reset(); |
| } |
| |
| } |