| /** |
| * 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.recipes.locks; |
| |
| import com.google.common.io.Closeables; |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.framework.recipes.BaseClassForTests; |
| import org.apache.curator.retry.RetryOneTime; |
| import org.apache.curator.test.Timing; |
| import org.apache.zookeeper.data.Stat; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| import java.util.Random; |
| |
| public class TestChildReaper extends BaseClassForTests |
| { |
| @Test |
| public void testSomeNodes() throws Exception |
| { |
| |
| Timing timing = new Timing(); |
| ChildReaper reaper = null; |
| CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1)); |
| try |
| { |
| client.start(); |
| |
| Random r = new Random(); |
| int nonEmptyNodes = 0; |
| for ( int i = 0; i < 10; ++i ) |
| { |
| client.create().creatingParentsIfNeeded().forPath("/test/" + Integer.toString(i)); |
| if ( r.nextBoolean() ) |
| { |
| client.create().forPath("/test/" + Integer.toString(i) + "/foo"); |
| ++nonEmptyNodes; |
| } |
| } |
| |
| reaper = new ChildReaper(client, "/test", Reaper.Mode.REAP_UNTIL_DELETE, 1); |
| reaper.start(); |
| |
| timing.forWaiting().sleepABit(); |
| |
| Stat stat = client.checkExists().forPath("/test"); |
| Assert.assertEquals(stat.getNumChildren(), nonEmptyNodes); |
| } |
| finally |
| { |
| Closeables.closeQuietly(reaper); |
| Closeables.closeQuietly(client); |
| } |
| } |
| |
| @Test |
| public void testSimple() throws Exception |
| { |
| Timing timing = new Timing(); |
| ChildReaper reaper = null; |
| CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(), timing.connection(), new RetryOneTime(1)); |
| try |
| { |
| client.start(); |
| |
| for ( int i = 0; i < 10; ++i ) |
| { |
| client.create().creatingParentsIfNeeded().forPath("/test/" + Integer.toString(i)); |
| } |
| |
| reaper = new ChildReaper(client, "/test", Reaper.Mode.REAP_UNTIL_DELETE, 1); |
| reaper.start(); |
| |
| timing.forWaiting().sleepABit(); |
| |
| Stat stat = client.checkExists().forPath("/test"); |
| Assert.assertEquals(stat.getNumChildren(), 0); |
| } |
| finally |
| { |
| Closeables.closeQuietly(reaper); |
| Closeables.closeQuietly(client); |
| } |
| } |
| |
| @Test |
| public void testNamespace() throws Exception |
| { |
| Timing timing = new Timing(); |
| ChildReaper reaper = null; |
| CuratorFramework client = CuratorFrameworkFactory.builder() |
| .connectString(server.getConnectString()) |
| .sessionTimeoutMs(timing.session()) |
| .connectionTimeoutMs(timing.connection()) |
| .retryPolicy(new RetryOneTime(1)) |
| .namespace("foo") |
| .build(); |
| try |
| { |
| client.start(); |
| |
| for ( int i = 0; i < 10; ++i ) |
| { |
| client.create().creatingParentsIfNeeded().forPath("/test/" + Integer.toString(i)); |
| } |
| |
| reaper = new ChildReaper(client, "/test", Reaper.Mode.REAP_UNTIL_DELETE, 1); |
| reaper.start(); |
| |
| timing.forWaiting().sleepABit(); |
| |
| Stat stat = client.checkExists().forPath("/test"); |
| Assert.assertEquals(stat.getNumChildren(), 0); |
| |
| stat = client.usingNamespace(null).checkExists().forPath("/foo/test"); |
| Assert.assertNotNull(stat); |
| Assert.assertEquals(stat.getNumChildren(), 0); |
| } |
| finally |
| { |
| Closeables.closeQuietly(reaper); |
| Closeables.closeQuietly(client); |
| } |
| } |
| } |