package org.apache.helix.messaging;
/*
* 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.HashSet;
import java.util.List;
import java.util.UUID;
import org.apache.helix.HelixException;
import org.apache.helix.HelixManager;
import org.apache.helix.Mocks;
import org.apache.helix.NotificationContext;
import org.apache.helix.api.id.MessageId;
import org.apache.helix.api.id.SessionId;
import org.apache.helix.messaging.handling.AsyncCallbackService;
import org.apache.helix.messaging.handling.MessageHandler;
import org.apache.helix.model.Message;
import org.testng.AssertJUnit;
import org.testng.annotations.Test;
public class TestAsyncCallbackSvc {
class MockHelixManager extends Mocks.MockManager {
public String getSessionId() {
return "123";
}
}
class TestAsyncCallback extends AsyncCallback {
HashSet<MessageId> _repliedMessageId = new HashSet<MessageId>();
@Override
public void onTimeOut() {
// TODO Auto-generated method stub
}
@Override
public void onReplyMessage(Message message) {
// TODO Auto-generated method stub
_repliedMessageId.add(message.getMessageId());
}
}
@Test()
public void testAsyncCallbackSvc() throws Exception {
AsyncCallbackService svc = new AsyncCallbackService();
HelixManager manager = new MockHelixManager();
NotificationContext changeContext = new NotificationContext(manager);
Message msg = new Message(svc.getMessageType(), MessageId.from(UUID.randomUUID().toString()));
msg.setTgtSessionId(SessionId.from(manager.getSessionId()));
try {
svc.createHandler(msg, changeContext);
} catch (HelixException e) {
AssertJUnit.assertTrue(e.getMessage().indexOf(msg.getMessageId().stringify()) != -1);
}
Message msg2 = new Message("RandomType", MessageId.from(UUID.randomUUID().toString()));
msg2.setTgtSessionId(SessionId.from(manager.getSessionId()));
try {
svc.createHandler(msg2, changeContext);
} catch (HelixException e) {
AssertJUnit.assertTrue(e.getMessage().indexOf(msg2.getMessageId().stringify()) != -1);
}
Message msg3 = new Message(svc.getMessageType(), MessageId.from(UUID.randomUUID().toString()));
msg3.setTgtSessionId(SessionId.from(manager.getSessionId()));
msg3.setCorrelationId("wfwegw");
try {
svc.createHandler(msg3, changeContext);
} catch (HelixException e) {
AssertJUnit.assertTrue(e.getMessage().indexOf(msg3.getMessageId().stringify()) != -1);
}
TestAsyncCallback callback = new TestAsyncCallback();
String corrId = UUID.randomUUID().toString();
svc.registerAsyncCallback(corrId, new TestAsyncCallback());
svc.registerAsyncCallback(corrId, callback);
List<Message> msgSent = new ArrayList<Message>();
msgSent.add(new Message("Test", MessageId.from(UUID.randomUUID().toString())));
callback.setMessagesSent(msgSent);
msg = new Message(svc.getMessageType(), MessageId.from(UUID.randomUUID().toString()));
msg.setTgtSessionId(SessionId.from("*"));
msg.setCorrelationId(corrId);
MessageHandler aHandler = svc.createHandler(msg, changeContext);
aHandler.handleMessage();
AssertJUnit.assertTrue(callback.isDone());
AssertJUnit.assertTrue(callback._repliedMessageId.contains(msg.getMessageId()));
}
}