package org.apache.helix.manager.zk;
/*
* 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
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import java.util.Date;
import org.apache.helix.InstanceType;
import org.apache.helix.TestHelper;
import org.apache.helix.ZkTestHelper;
import org.apache.helix.integration.ZkIntegrationTestBase;
import org.apache.helix.manager.zk.ZKHelixManager;
import org.testng.Assert;
import org.testng.annotations.Test;
public class TestHandleNewSession extends ZkIntegrationTestBase
{
@Test
public void testHandleNewSession() throws Exception
{
// Logger.getRootLogger().setLevel(Level.INFO);
String className = TestHelper.getTestClassName();
String methodName = TestHelper.getTestMethodName();
String clusterName = className + "_" + methodName;
System.out.println("START " + clusterName + " at "
+ new Date(System.currentTimeMillis()));
TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant port
"localhost", // participant name prefix
"TestDB", // resource name prefix
1, // resources
10, // partitions per resource
5, // number of nodes
3, // replicas
"MasterSlave",
true); // do rebalance
ZKHelixManager manager =
new ZKHelixManager(clusterName,
"localhost_12918",
InstanceType.PARTICIPANT,
ZK_ADDR);
manager.connect();
// Logger.getRootLogger().setLevel(Level.INFO);
String lastSessionId = manager.getSessionId();
for (int i = 0; i < 3; i++)
{
// System.err.println("curSessionId: " + lastSessionId);
ZkTestHelper.expireSession(manager._zkClient);
String sessionId = manager.getSessionId();
Assert.assertTrue(sessionId.compareTo(lastSessionId) > 0, "Session id should be increased after expiry");
lastSessionId = sessionId;
// make sure session id is not 0
Assert.assertFalse(sessionId.equals("0"),
"Hit race condition in zhclient.handleNewSession(). sessionId is not returned yet.");
// TODO: need to test session expiry during handleNewSession()
}
// Logger.getRootLogger().setLevel(Level.INFO);
System.out.println("Disconnecting ...");
manager.disconnect();
System.out.println("END " + clusterName + " at "
+ new Date(System.currentTimeMillis()));
}
}