ZKOperationsTest.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.twill.zookeeper;

import org.apache.twill.internal.zookeeper.InMemoryZKServer;
import org.apache.zookeeper.CreateMode;
import org.junit.Assert;
import org.junit.Test;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 *
 */
public class ZKOperationsTest {

  @Test
  public void recursiveDelete() throws ExecutionException, InterruptedException, TimeoutException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();

    try {
      ZKClientService client = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      client.startAndWait();

      try {
        client.create("/test1/test10/test101", null, CreateMode.PERSISTENT).get();
        client.create("/test1/test10/test102", null, CreateMode.PERSISTENT).get();
        client.create("/test1/test10/test103", null, CreateMode.PERSISTENT).get();

        client.create("/test1/test11/test111", null, CreateMode.PERSISTENT).get();
        client.create("/test1/test11/test112", null, CreateMode.PERSISTENT).get();
        client.create("/test1/test11/test113", null, CreateMode.PERSISTENT).get();

        ZKOperations.recursiveDelete(client, "/test1").get(2, TimeUnit.SECONDS);

        Assert.assertNull(client.exists("/test1").get(2, TimeUnit.SECONDS));

      } finally {
        client.stopAndWait();
      }
    } finally {
      zkServer.stopAndWait();
    }
  }
}