curator-master/curator-framework/src/test/java/org/apache/curator/framework/imps/TestTtlNodes.java
/*
 * 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 static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.concurrent.CountDownLatch;
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.retry.RetryOneTime;
import org.apache.curator.test.Timing;
import org.apache.curator.test.compatibility.CuratorTestBase;
import org.apache.zookeeper.CreateMode;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

public class TestTtlNodes extends CuratorTestBase {
    @BeforeAll
    public static void setUpClass() {
        System.setProperty("zookeeper.extendedTypesEnabled", "true");
    }

    @BeforeEach
    @Override
    public void setup() throws Exception {
        System.setProperty("znode.container.checkIntervalMs", "1");
        super.setup();
    }

    @AfterEach
    @Override
    public void teardown() throws Exception {
        super.teardown();
        System.clearProperty("znode.container.checkIntervalMs");
    }

    @Test
    public void testBasic() throws Exception {
        try (CuratorFramework client =
                CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1))) {
            client.start();

            client.create()
                    .withTtl(10)
                    .creatingParentsIfNeeded()
                    .withMode(CreateMode.PERSISTENT_WITH_TTL)
                    .forPath("/a/b/c");
            Thread.sleep(20);
            assertNull(client.checkExists().forPath("/a/b/c"));
        }
    }

    @Test
    public void testBasicInBackground() throws Exception {
        try (CuratorFramework client =
                CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1))) {
            client.start();

            final CountDownLatch latch = new CountDownLatch(1);
            BackgroundCallback callback = new BackgroundCallback() {
                @Override
                public void processResult(CuratorFramework client, CuratorEvent event) throws Exception {
                    latch.countDown();
                }
            };
            client.create()
                    .withTtl(10)
                    .creatingParentsIfNeeded()
                    .withMode(CreateMode.PERSISTENT_WITH_TTL)
                    .inBackground(callback)
                    .forPath("/a/b/c");
            assertTrue(new Timing().awaitLatch(latch));
            Thread.sleep(20);
            assertNull(client.checkExists().forPath("/a/b/c"));
        }
    }
}
