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/*
* 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.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import java.io.IOException;
import java.util.Arrays;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZooDefs.Ids;
import org.apache.zookeeper.ZooKeeper;
import org.junit.jupiter.api.Test;
public class ChrootTest extends ClientBase {
private static class MyWatcher implements Watcher {
private final String path;
private String eventPath;
private CountDownLatch latch = new CountDownLatch(1);
public MyWatcher(String path) {
this.path = path;
}
public void process(WatchedEvent event) {
System.out.println("latch:" + path + " " + event.getPath());
this.eventPath = event.getPath();
latch.countDown();
}
public boolean matches() throws InterruptedException {
if (!latch.await(CONNECTION_TIMEOUT, TimeUnit.MILLISECONDS)) {
fail("No watch received within timeout period " + path);
}
return path.equals(eventPath);
}
}
@Test
public void testChrootSynchronous() throws IOException, InterruptedException, KeeperException {
ZooKeeper zk1 = createClient();
try {
zk1.create("/ch1", null, Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
} finally {
if (zk1 != null) {
zk1.close();
}
}
ZooKeeper zk2 = createClient(hostPort + "/ch1");
try {
assertEquals("/ch2", zk2.create("/ch2", null, Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
} finally {
if (zk2 != null) {
zk2.close();
}
}
zk1 = createClient();
zk2 = createClient(hostPort + "/ch1");
try {
// check get
MyWatcher w1 = new MyWatcher("/ch1");
assertNotNull(zk1.exists("/ch1", w1));
MyWatcher w2 = new MyWatcher("/ch1/ch2");
assertNotNull(zk1.exists("/ch1/ch2", w2));
MyWatcher w3 = new MyWatcher("/ch2");
assertNotNull(zk2.exists("/ch2", w3));
// set watches on child
MyWatcher w4 = new MyWatcher("/ch1");
zk1.getChildren("/ch1", w4);
MyWatcher w5 = new MyWatcher("/");
zk2.getChildren("/", w5);
// check set
zk1.setData("/ch1", "1".getBytes(), -1);
zk2.setData("/ch2", "2".getBytes(), -1);
// check watches
assertTrue(w1.matches());
assertTrue(w2.matches());
assertTrue(w3.matches());
// check exceptions
try {
zk2.setData("/ch3", "3".getBytes(), -1);
} catch (KeeperException.NoNodeException e) {
assertEquals("/ch3", e.getPath());
}
assertTrue(Arrays.equals("1".getBytes(), zk1.getData("/ch1", false, null)));
assertTrue(Arrays.equals("2".getBytes(), zk1.getData("/ch1/ch2", false, null)));
assertTrue(Arrays.equals("2".getBytes(), zk2.getData("/ch2", false, null)));
// check delete
zk2.delete("/ch2", -1);
assertTrue(w4.matches());
assertTrue(w5.matches());
zk1.delete("/ch1", -1);
assertNull(zk1.exists("/ch1", false));
assertNull(zk1.exists("/ch1/ch2", false));
assertNull(zk2.exists("/ch2", false));
} finally {
if (zk1 != null) {
zk1.close();
}
if (zk2 != null) {
zk2.close();
}
}
}
}
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