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.Date;
import org.apache.helix.Mocks.MockManager;
import org.apache.helix.Mocks.MockStateModel;
import org.apache.helix.Mocks.MockStateModelAnnotated;
import org.apache.helix.PropertyKey.Builder;
import org.apache.helix.api.State;
import org.apache.helix.api.StateTransitionHandlerFactory;
import org.apache.helix.api.id.MessageId;
import org.apache.helix.api.id.PartitionId;
import org.apache.helix.api.id.ResourceId;
import org.apache.helix.api.id.SessionId;
import org.apache.helix.api.id.StateModelDefId;
import org.apache.helix.messaging.handling.HelixStateTransitionHandler;
import org.apache.helix.messaging.handling.HelixTask;
import org.apache.helix.messaging.handling.HelixTaskExecutor;
import org.apache.helix.model.CurrentState;
import org.apache.helix.model.Message;
import org.apache.helix.model.Message.MessageType;
import org.apache.helix.model.StateModelDefinition;
import org.apache.helix.tools.StateModelConfigGenerator;
import org.testng.AssertJUnit;
import org.testng.annotations.Test;
public class TestHelixTaskHandler {
@Test()
public void testInvocation() throws Exception {
HelixTaskExecutor executor = new HelixTaskExecutor();
System.out.println("START TestCMTaskHandler.testInvocation()");
Message message = new Message(MessageType.STATE_TRANSITION, MessageId.from("Some unique id"));
message.setSrcName("cm-instance-0");
message.setTgtSessionId(SessionId.from("1234"));
message.setFromState(State.from("Offline"));
message.setToState(State.from("Slave"));
message.setPartitionId(PartitionId.from("TestDB_0"));
message.setMessageId(MessageId.from("Some unique message id"));
message.setResourceId(ResourceId.from("TestDB"));
message.setTgtName("localhost");
message.setStateModelDef(StateModelDefId.from("MasterSlave"));
message.setStateModelFactoryName(HelixConstants.DEFAULT_STATE_MODEL_FACTORY);
MockStateModel stateModel = new MockStateModel();
NotificationContext context;
MockManager manager = new MockManager("clusterName");
HelixDataAccessor accessor = manager.getHelixDataAccessor();
StateModelDefinition stateModelDef =
new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
Builder keyBuilder = accessor.keyBuilder();
accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);
context = new NotificationContext(manager);
CurrentState currentStateDelta = new CurrentState("TestDB");
currentStateDelta.setState(PartitionId.from("TestDB_0"), State.from("OFFLINE"));
HelixStateTransitionHandler stHandler =
new HelixStateTransitionHandler(null, stateModel, message, context, currentStateDelta);
HelixTask handler;
handler = new HelixTask(message, context, stHandler, executor);
handler.call();
AssertJUnit.assertTrue(stateModel.stateModelInvoked);
System.out.println("END TestCMTaskHandler.testInvocation() at "
+ new Date(System.currentTimeMillis()));
}
@Test()
public void testInvocationAnnotated() throws Exception {
System.out.println("START TestCMTaskHandler.testInvocationAnnotated() at "
+ new Date(System.currentTimeMillis()));
HelixTaskExecutor executor = new HelixTaskExecutor();
Message message = new Message(MessageType.STATE_TRANSITION, MessageId.from("Some unique id"));
message.setSrcName("cm-instance-0");
message.setTgtSessionId(SessionId.from("1234"));
message.setFromState(State.from("Offline"));
message.setToState(State.from("Slave"));
message.setPartitionId(PartitionId.from("TestDB_0"));
message.setMessageId(MessageId.from("Some unique message id"));
message.setResourceId(ResourceId.from("TestDB"));
message.setTgtName("localhost");
message.setStateModelDef(StateModelDefId.from("MasterSlave"));
message.setStateModelFactoryName(HelixConstants.DEFAULT_STATE_MODEL_FACTORY);
MockStateModelAnnotated stateModel = new MockStateModelAnnotated();
NotificationContext context;
MockManager manager = new MockManager("clusterName");
HelixDataAccessor accessor = manager.getHelixDataAccessor();
StateModelDefinition stateModelDef =
new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
Builder keyBuilder = accessor.keyBuilder();
accessor.setProperty(keyBuilder.stateModelDef("MasterSlave"), stateModelDef);
context = new NotificationContext(manager);
CurrentState currentStateDelta = new CurrentState("TestDB");
currentStateDelta.setState(PartitionId.from("TestDB_0"), State.from("OFFLINE"));
StateTransitionHandlerFactory<MockStateModelAnnotated> stateModelFactory =
new StateTransitionHandlerFactory<MockStateModelAnnotated>() {
@Override
public MockStateModelAnnotated createStateTransitionHandler(PartitionId partitionName) {
// TODO Auto-generated method stub
return new MockStateModelAnnotated();
}
};
HelixStateTransitionHandler stHandler =
new HelixStateTransitionHandler(stateModelFactory, stateModel, message, context,
currentStateDelta);
HelixTask handler = new HelixTask(message, context, stHandler, executor);
handler.call();
AssertJUnit.assertTrue(stateModel.stateModelInvoked);
System.out.println("END TestCMTaskHandler.testInvocationAnnotated() at "
+ new Date(System.currentTimeMillis()));
}
}