| package org.apache.helix.integration; |
| |
| /* |
| * 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.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.helix.PropertyKey.Builder; |
| import org.apache.helix.integration.common.ZkStandAloneCMTestBase; |
| import org.apache.helix.manager.zk.ZKHelixDataAccessor; |
| import org.apache.helix.manager.zk.ZkBaseDataAccessor; |
| import org.apache.helix.model.ExternalView; |
| import org.apache.helix.util.StatusUpdateUtil; |
| import org.testng.Assert; |
| |
| public class TestStatusUpdate extends ZkStandAloneCMTestBase { |
| // For now write participant StatusUpdates to log4j. |
| // TODO: Need to investigate another data channel to report to controller and re-enable |
| // this test |
| // @Test |
| public void testParticipantStatusUpdates() throws Exception { |
| ZKHelixDataAccessor accessor = |
| new ZKHelixDataAccessor(CLUSTER_NAME, new ZkBaseDataAccessor(_gZkClient)); |
| Builder keyBuilder = accessor.keyBuilder(); |
| |
| List<ExternalView> extViews = accessor.getChildValues(keyBuilder.externalViews(), true); |
| Assert.assertNotNull(extViews); |
| |
| for (ExternalView extView : extViews) { |
| String resourceName = extView.getResourceName(); |
| Set<String> partitionSet = extView.getPartitionSet(); |
| for (String partition : partitionSet) { |
| Map<String, String> stateMap = extView.getStateMap(partition); |
| for (String instance : stateMap.keySet()) { |
| String state = stateMap.get(instance); |
| StatusUpdateUtil.StatusUpdateContents statusUpdates = |
| StatusUpdateUtil.StatusUpdateContents.getStatusUpdateContents(accessor, instance, |
| resourceName, partition); |
| |
| Map<String, StatusUpdateUtil.TaskStatus> taskMessages = statusUpdates.getTaskMessages(); |
| List<StatusUpdateUtil.Transition> transitions = statusUpdates.getTransitions(); |
| if (state.equals("MASTER")) { |
| Assert.assertEquals(transitions.size() >= 2, true, "Invalid number of transitions"); |
| StatusUpdateUtil.Transition lastTransition = transitions.get(transitions.size() - 1); |
| StatusUpdateUtil.Transition prevTransition = transitions.get(transitions.size() - 2); |
| Assert.assertEquals(taskMessages.get(lastTransition.getMsgID()), |
| StatusUpdateUtil.TaskStatus.COMPLETED, "Incomplete transition"); |
| Assert.assertEquals(taskMessages.get(prevTransition.getMsgID()), |
| StatusUpdateUtil.TaskStatus.COMPLETED, "Incomplete transition"); |
| Assert.assertEquals(lastTransition.getFromState(), "SLAVE", "Invalid State"); |
| Assert.assertEquals(lastTransition.getToState(), "MASTER", "Invalid State"); |
| } else if (state.equals("SLAVE")) { |
| Assert.assertEquals(transitions.size() >= 1, true, "Invalid number of transitions"); |
| StatusUpdateUtil.Transition lastTransition = transitions.get(transitions.size() - 1); |
| Assert.assertEquals(lastTransition.getFromState().equals("MASTER") |
| || lastTransition.getFromState().equals("OFFLINE"), true, "Invalid transition"); |
| Assert.assertEquals(lastTransition.getToState(), "SLAVE", "Invalid State"); |
| } |
| } |
| } |
| } |
| } |
| } |