/**
* 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.
*/
package org.apache.zookeeper.test;
import static org.apache.zookeeper.test.ClientBase.CONNECTION_TIMEOUT;
import java.io.File;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.PortAssignment;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZKTestCase;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.Watcher.Event.KeeperState;
import org.apache.zookeeper.ZooDefs.Ids;
import org.apache.zookeeper.data.Stat;
import org.apache.zookeeper.server.ServerCnxnFactory;
import org.apache.zookeeper.server.SyncRequestProcessor;
import org.apache.zookeeper.server.ZooKeeperServer;
import org.apache.zookeeper.server.upgrade.UpgradeMain;
import org.junit.Assert;
import org.junit.Test;
public class UpgradeTest extends ZKTestCase implements Watcher {
private final static Logger LOG = LoggerFactory.getLogger(UpgradeTest.class);
private static String HOSTPORT = "127.0.0.1:" + PortAssignment.unique();
private static final File testData = new File(
System.getProperty("test.data.dir", "build/test/data"));
private CountDownLatch startSignal;
/**
* test the upgrade
* @throws Exception
*/
@Test
public void testUpgrade() throws Exception {
File upgradeDir = new File(testData, "upgrade");
UpgradeMain upgrade = new UpgradeMain(upgradeDir, upgradeDir);
upgrade.runUpgrade();
ZooKeeperServer zks = new ZooKeeperServer(upgradeDir, upgradeDir, 3000);
SyncRequestProcessor.setSnapCount(1000);
final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
ServerCnxnFactory f = ServerCnxnFactory.createFactory(PORT, -1);
f.startup(zks);
LOG.info("starting up the zookeeper server .. waiting");
Assert.assertTrue("waiting for server being up",
ClientBase.waitForServerUp(HOSTPORT, CONNECTION_TIMEOUT));
ZooKeeper zk = new ZooKeeper(HOSTPORT, CONNECTION_TIMEOUT, this);
Stat stat = zk.exists("/", false);
List<String> children = zk.getChildren("/", false);
Collections.sort(children);
for (int i = 0; i < 10; i++) {
Assert.assertTrue("data tree sanity check",
("test-" + i).equals(children.get(i)));
}
//try creating one node
zk.create("/upgrade", "upgrade".getBytes(), Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
// check if its there
if (zk.exists("/upgrade", false) == null) {
Assert.assertTrue(false);
}
zk.close();
// bring down the server
f.shutdown();
Assert.assertTrue("waiting for server down",
ClientBase.waitForServerDown(HOSTPORT,
ClientBase.CONNECTION_TIMEOUT));
}
public void process(WatchedEvent event) {
LOG.info("Event:" + event.getState() + " " + event.getType() + " " + event.getPath());
if (event.getState() == KeeperState.SyncConnected
&& startSignal != null && startSignal.getCount() > 0)
{
startSignal.countDown();
}
}
}