/**
* 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.curator.framework.imps;
import com.google.common.collect.Lists;
import com.google.common.io.Closeables;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.framework.api.BackgroundCallback;
import org.apache.curator.framework.api.CuratorEvent;
import org.apache.curator.framework.api.CuratorEventType;
import org.apache.curator.framework.api.CuratorListener;
import org.apache.curator.framework.state.ConnectionState;
import org.apache.curator.framework.state.ConnectionStateListener;
import org.apache.curator.retry.RetryOneTime;
import org.apache.curator.test.TestingServer;
import org.apache.curator.test.Timing;
import org.apache.curator.utils.EnsurePath;
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;
import org.apache.zookeeper.data.ACL;
import org.apache.zookeeper.data.Stat;
import org.testng.Assert;
import org.testng.annotations.Test;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
@SuppressWarnings("deprecation")
public class TestFramework extends BaseClassForTests
{
@Test
public void testConnectionState() throws Exception
{
Timing timing = new Timing();
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1));
try
{
final BlockingQueue<ConnectionState> queue = new LinkedBlockingQueue<ConnectionState>();
ConnectionStateListener listener = new ConnectionStateListener()
{
@Override
public void stateChanged(CuratorFramework client, ConnectionState newState)
{
queue.add(newState);
}
};
client.getConnectionStateListenable().addListener(listener);
client.start();
Assert.assertEquals(queue.poll(timing.multiple(4).seconds(), TimeUnit.SECONDS), ConnectionState.CONNECTED);
server.stop();
Assert.assertEquals(queue.poll(timing.multiple(4).seconds(), TimeUnit.SECONDS), ConnectionState.SUSPENDED);
Assert.assertEquals(queue.poll(timing.multiple(4).seconds(), TimeUnit.SECONDS), ConnectionState.LOST);
}
finally
{
Closeables.closeQuietly(client);
}
}
@Test
public void testNamespaceWithWatcher() throws Exception
{
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder.connectString(server.getConnectString()).namespace("aisa").retryPolicy(new RetryOneTime(1)).build();
client.start();
try
{
final BlockingQueue<String> queue = new LinkedBlockingQueue<String>();
Watcher watcher = new Watcher()
{
@Override
public void process(WatchedEvent event)
{
try
{
queue.put(event.getPath());
}
catch ( InterruptedException e )
{
throw new Error(e);
}
}
};
client.create().forPath("/base");
client.getChildren().usingWatcher(watcher).forPath("/base");
client.create().forPath("/base/child");
String path = queue.take();
Assert.assertEquals(path, "/base");
}
finally
{
client.close();
}
}
@Test
public void testNamespaceInBackground() throws Exception
{
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder.connectString(server.getConnectString()).namespace("aisa").retryPolicy(new RetryOneTime(1)).build();
client.start();
try
{
final BlockingQueue<String> queue = new LinkedBlockingQueue<String>();
CuratorListener listener = new CuratorListener()
{
@Override
public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.EXISTS )
{
queue.put(event.getPath());
}
}
};
client.getCuratorListenable().addListener(listener);
client.create().forPath("/base");
client.checkExists().inBackground().forPath("/base");
String path = queue.poll(10, TimeUnit.SECONDS);
Assert.assertEquals(path, "/base");
client.getCuratorListenable().removeListener(listener);
BackgroundCallback callback = new BackgroundCallback()
{
@Override
public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
{
queue.put(event.getPath());
}
};
client.getChildren().inBackground(callback).forPath("/base");
path = queue.poll(10, TimeUnit.SECONDS);
Assert.assertEquals(path, "/base");
}
finally
{
client.close();
}
}
@Test
public void testCreateACL() throws Exception
{
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder
.connectString(server.getConnectString())
.authorization("digest", "me:pass".getBytes())
.retryPolicy(new RetryOneTime(1))
.build();
client.start();
try
{
ACL acl = new ACL(ZooDefs.Perms.WRITE, ZooDefs.Ids.AUTH_IDS);
List<ACL> aclList = Lists.newArrayList(acl);
client.create().withACL(aclList).forPath("/test", "test".getBytes());
client.close();
client = builder
.connectString(server.getConnectString())
.authorization("digest", "me:pass".getBytes())
.retryPolicy(new RetryOneTime(1))
.build();
client.start();
try
{
client.setData().forPath("/test", "test".getBytes());
}
catch ( KeeperException.NoAuthException e )
{
Assert.fail("Auth failed");
}
client.close();
client = builder
.connectString(server.getConnectString())
.authorization("digest", "something:else".getBytes())
.retryPolicy(new RetryOneTime(1))
.build();
client.start();
try
{
client.setData().forPath("/test", "test".getBytes());
Assert.fail("Should have failed with auth exception");
}
catch ( KeeperException.NoAuthException e )
{
// expected
}
}
finally
{
client.close();
}
}
@Test
public void testCreateACLWithReset() throws Exception
{
Timing timing = new Timing();
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder
.connectString(server.getConnectString())
.sessionTimeoutMs(timing.session())
.connectionTimeoutMs(timing.connection())
.authorization("digest", "me:pass".getBytes())
.retryPolicy(new RetryOneTime(1))
.build();
client.start();
try
{
final CountDownLatch lostLatch = new CountDownLatch(1);
ConnectionStateListener listener = new ConnectionStateListener()
{
@Override
public void stateChanged(CuratorFramework client, ConnectionState newState)
{
if ( newState == ConnectionState.LOST )
{
lostLatch.countDown();
}
}
};
client.getConnectionStateListenable().addListener(listener);
ACL acl = new ACL(ZooDefs.Perms.WRITE, ZooDefs.Ids.AUTH_IDS);
List<ACL> aclList = Lists.newArrayList(acl);
client.create().withACL(aclList).forPath("/test", "test".getBytes());
server.stop();
Assert.assertTrue(timing.awaitLatch(lostLatch));
try
{
client.checkExists().forPath("/");
Assert.fail("Connection should be down");
}
catch ( KeeperException.ConnectionLossException e )
{
// expected
}
server = new TestingServer(server.getPort(), server.getTempDirectory());
try
{
client.setData().forPath("/test", "test".getBytes());
}
catch ( KeeperException.NoAuthException e )
{
Assert.fail("Auth failed");
}
}
finally
{
Closeables.closeQuietly(client);
}
}
@Test
public void testCreateParents() throws Exception
{
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).build();
client.start();
try
{
client.create().creatingParentsIfNeeded().forPath("/one/two/three", "foo".getBytes());
byte[] data = client.getData().forPath("/one/two/three");
Assert.assertEquals(data, "foo".getBytes());
client.create().creatingParentsIfNeeded().forPath("/one/two/another", "bar".getBytes());
data = client.getData().forPath("/one/two/another");
Assert.assertEquals(data, "bar".getBytes());
}
finally
{
client.close();
}
}
@Test
public void testEnsurePathWithNamespace() throws Exception
{
final String namespace = "jz";
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).namespace(namespace).build();
client.start();
try
{
EnsurePath ensurePath = new EnsurePath("/pity/the/fool");
ensurePath.ensure(client.getZookeeperClient());
Assert.assertNull(client.getZookeeperClient().getZooKeeper().exists("/jz/pity/the/fool", false));
ensurePath = client.newNamespaceAwareEnsurePath("/pity/the/fool");
ensurePath.ensure(client.getZookeeperClient());
Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/jz/pity/the/fool", false));
}
finally
{
client.close();
}
}
@Test
public void testNamespace() throws Exception
{
final String namespace = "TestNamespace";
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).namespace(namespace).build();
client.start();
try
{
String actualPath = client.create().forPath("/test");
Assert.assertEquals(actualPath, "/test");
Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/" + namespace + "/test", false));
Assert.assertNull(client.getZookeeperClient().getZooKeeper().exists("/test", false));
actualPath = client.nonNamespaceView().create().forPath("/non");
Assert.assertEquals(actualPath, "/non");
Assert.assertNotNull(client.getZookeeperClient().getZooKeeper().exists("/non", false));
client.create().forPath("/test/child", "hey".getBytes());
byte[] bytes = client.getData().forPath("/test/child");
Assert.assertEquals(bytes, "hey".getBytes());
bytes = client.nonNamespaceView().getData().forPath("/" + namespace + "/test/child");
Assert.assertEquals(bytes, "hey".getBytes());
}
finally
{
client.close();
}
}
@Test
public void testCustomCallback() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
final CountDownLatch latch = new CountDownLatch(1);
BackgroundCallback callback = new BackgroundCallback()
{
@Override
public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.CREATE )
{
if ( event.getPath().equals("/head") )
{
latch.countDown();
}
}
}
};
client.create().inBackground(callback).forPath("/head");
Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
}
finally
{
client.close();
}
}
@Test
public void testSync() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
client.getCuratorListenable().addListener
(
new CuratorListener()
{
@Override
public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.SYNC )
{
Assert.assertEquals(event.getPath(), "/head");
((CountDownLatch)event.getContext()).countDown();
}
}
}
);
client.create().forPath("/head");
Assert.assertNotNull(client.checkExists().forPath("/head"));
CountDownLatch latch = new CountDownLatch(1);
client.sync("/head", latch);
Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
}
finally
{
client.close();
}
}
@Test
public void testSyncNew() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
client.create().forPath("/head");
Assert.assertNotNull(client.checkExists().forPath("/head"));
final CountDownLatch latch = new CountDownLatch(1);
BackgroundCallback callback = new BackgroundCallback()
{
@Override
public void processResult(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.SYNC )
{
latch.countDown();
}
}
};
client.sync().inBackground(callback).forPath("/head");
Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
}
finally
{
client.close();
}
}
@Test
public void testBackgroundDelete() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
client.getCuratorListenable().addListener
(
new CuratorListener()
{
@Override
public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.DELETE )
{
Assert.assertEquals(event.getPath(), "/head");
((CountDownLatch)event.getContext()).countDown();
}
}
}
);
client.create().forPath("/head");
Assert.assertNotNull(client.checkExists().forPath("/head"));
CountDownLatch latch = new CountDownLatch(1);
client.delete().inBackground(latch).forPath("/head");
Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
Assert.assertNull(client.checkExists().forPath("/head"));
}
finally
{
client.close();
}
}
@Test
public void testBackgroundDeleteWithChildren() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
client.getCuratorListenable().addListener
(
new CuratorListener()
{
@Override
public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.DELETE )
{
Assert.assertEquals(event.getPath(), "/one/two");
((CountDownLatch)event.getContext()).countDown();
}
}
}
);
client.create().creatingParentsIfNeeded().forPath("/one/two/three/four");
Assert.assertNotNull(client.checkExists().forPath("/one/two/three/four"));
CountDownLatch latch = new CountDownLatch(1);
client.delete().deletingChildrenIfNeeded().inBackground(latch).forPath("/one/two");
Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
Assert.assertNull(client.checkExists().forPath("/one/two"));
}
finally
{
client.close();
}
}
@Test
public void testDelete() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
client.create().forPath("/head");
Assert.assertNotNull(client.checkExists().forPath("/head"));
client.delete().forPath("/head");
Assert.assertNull(client.checkExists().forPath("/head"));
}
finally
{
client.close();
}
}
@Test
public void testDeleteWithChildren() throws Exception
{
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).build();
client.start();
try
{
client.create().creatingParentsIfNeeded().forPath("/one/two/three/four/five/six", "foo".getBytes());
client.delete().deletingChildrenIfNeeded().forPath("/one/two/three/four/five");
Assert.assertNull(client.checkExists().forPath("/one/two/three/four/five"));
client.delete().deletingChildrenIfNeeded().forPath("/one/two");
Assert.assertNull(client.checkExists().forPath("/one/two"));
}
finally
{
client.close();
}
}
@Test
public void testDeleteGuaranteedWithChildren() throws Exception
{
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder();
CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).build();
client.start();
try
{
client.create().creatingParentsIfNeeded().forPath("/one/two/three/four/five/six", "foo".getBytes());
client.delete().guaranteed().deletingChildrenIfNeeded().forPath("/one/two/three/four/five");
Assert.assertNull(client.checkExists().forPath("/one/two/three/four/five"));
client.delete().guaranteed().deletingChildrenIfNeeded().forPath("/one/two");
Assert.assertNull(client.checkExists().forPath("/one/two"));
}
finally
{
client.close();
}
}
@Test
public void testGetSequentialChildren() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
client.create().forPath("/head");
for ( int i = 0; i < 10; ++i )
{
client.create().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/head/child");
}
List<String> children = client.getChildren().forPath("/head");
Assert.assertEquals(children.size(), 10);
}
finally
{
client.close();
}
}
@Test
public void testBackgroundGetDataWithWatch() throws Exception
{
final byte[] data1 = {1, 2, 3};
final byte[] data2 = {4, 5, 6, 7};
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
final CountDownLatch watchedLatch = new CountDownLatch(1);
client.getCuratorListenable().addListener
(
new CuratorListener()
{
@Override
public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.GET_DATA )
{
Assert.assertEquals(event.getPath(), "/test");
Assert.assertEquals(event.getData(), data1);
((CountDownLatch)event.getContext()).countDown();
}
else if ( event.getType() == CuratorEventType.WATCHED )
{
if ( event.getWatchedEvent().getType() == Watcher.Event.EventType.NodeDataChanged )
{
Assert.assertEquals(event.getPath(), "/test");
watchedLatch.countDown();
}
}
}
}
);
client.create().forPath("/test", data1);
CountDownLatch backgroundLatch = new CountDownLatch(1);
client.getData().watched().inBackground(backgroundLatch).forPath("/test");
Assert.assertTrue(backgroundLatch.await(10, TimeUnit.SECONDS));
client.setData().forPath("/test", data2);
Assert.assertTrue(watchedLatch.await(10, TimeUnit.SECONDS));
byte[] checkData = client.getData().forPath("/test");
Assert.assertEquals(checkData, data2);
}
finally
{
client.close();
}
}
@Test
public void testBackgroundCreate() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
client.getCuratorListenable().addListener
(
new CuratorListener()
{
@Override
public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
{
if ( event.getType() == CuratorEventType.CREATE )
{
Assert.assertEquals(event.getPath(), "/test");
((CountDownLatch)event.getContext()).countDown();
}
}
}
);
CountDownLatch latch = new CountDownLatch(1);
client.create().inBackground(latch).forPath("/test", new byte[]{1, 2, 3});
Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
}
finally
{
client.close();
}
}
@Test
public void testCreateModes() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
byte[] writtenBytes = {1, 2, 3};
client.create().forPath("/test", writtenBytes); // should be persistent
client.close();
client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
byte[] readBytes = client.getData().forPath("/test");
Assert.assertEquals(writtenBytes, readBytes);
client.create().withMode(CreateMode.EPHEMERAL).forPath("/ghost", writtenBytes);
client.close();
client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
readBytes = client.getData().forPath("/test");
Assert.assertEquals(writtenBytes, readBytes);
Stat stat = client.checkExists().forPath("/ghost");
Assert.assertNull(stat);
String realPath = client.create().withMode(CreateMode.PERSISTENT_SEQUENTIAL).forPath("/pseq", writtenBytes);
Assert.assertNotSame(realPath, "/pseq");
client.close();
client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
readBytes = client.getData().forPath(realPath);
Assert.assertEquals(writtenBytes, readBytes);
realPath = client.create().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/eseq", writtenBytes);
Assert.assertNotSame(realPath, "/eseq");
client.close();
client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
stat = client.checkExists().forPath(realPath);
Assert.assertNull(stat);
}
finally
{
client.close();
}
}
@Test
public void testSimple() throws Exception
{
CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
client.start();
try
{
String path = client.create().withMode(CreateMode.PERSISTENT).forPath("/test", new byte[]{1, 2, 3});
Assert.assertEquals(path, "/test");
}
finally
{
client.close();
}
}
}