/*
 * 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.tuscany.sca.endpoint.zookeeper;

import java.io.File;

import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.Watcher.Event.KeeperState;
import org.apache.zookeeper.ZooDefs.Ids;
import org.apache.zookeeper.server.PurgeTxnLog;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

/**
 * 
 */
public class LocalZooKeeperServerTestCase implements Watcher {
    private static LocalZooKeeperServer server;

    /**
     * @throws java.lang.Exception
     */
    @BeforeClass
    public static void setUpBeforeClass() throws Exception {
        server = new LocalZooKeeperServer();
    }

    @Test
    public void testServer() throws Exception {
        String[] args = new String[] {"8085", "target/zookeeper"};
        Thread thread = server.folk(args);
        ZooKeeper client = new ZooKeeper("localhost:8085", 500, this);
        synchronized (this) {
            wait(10000);
        }
        client.create("/test", "123".getBytes(), Ids.OPEN_ACL_UNSAFE, CreateMode.EPHEMERAL);
        byte[] data = client.getData("/test", false, null);
        Assert.assertEquals("123", new String(data));
        client.close();
    }

    /**
     * @throws java.lang.Exception
     */
    @AfterClass
    public static void tearDownAfterClass() throws Exception {
        if (server != null) {
            server.shutdown();
            File dir = new File("target/zookeeper");
            PurgeTxnLog.purge(dir, dir, 3);
        }
    }

    public void process(WatchedEvent event) {
        System.out.println(event);
        if (event.getPath() == null && event.getState() == KeeperState.SyncConnected) {
            synchronized (this) {
                notifyAll();
            }
        }
    }

}