Bug37805DUnitTest.java example

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/*
 * 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.geode.internal.cache.tier.sockets;

import static org.apache.geode.distributed.ConfigurationProperties.*;
import static org.junit.Assert.*;

import java.util.Iterator;
import java.util.Properties;
import java.util.Set;

import org.apache.geode.test.junit.categories.ClientServerTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import org.apache.geode.cache.CacheException;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.client.Pool;
import org.apache.geode.cache.client.PoolFactory;
import org.apache.geode.cache.client.PoolManager;
import org.apache.geode.cache30.CacheSerializableRunnable;
import org.apache.geode.internal.cache.HARegion;
import org.apache.geode.internal.cache.PoolFactoryImpl;
import org.apache.geode.test.dunit.Host;
import org.apache.geode.test.dunit.NetworkUtils;
import org.apache.geode.test.dunit.VM;
import org.apache.geode.test.dunit.internal.JUnit4DistributedTestCase;
import org.apache.geode.test.junit.categories.DistributedTest;

/**
 * The test is written to verify that the rootRegion() in GemfireCache.java doesn't return any
 * metaRegions or HA Regions.
 */
@Category({DistributedTest.class, ClientServerTest.class})
public class Bug37805DUnitTest extends JUnit4DistributedTestCase {

  private VM server1VM;

  private VM durableClientVM;

  private String regionName;

  private int PORT1;

  @Override
  public final void postSetUp() throws Exception {
    Host host = Host.getHost(0);
    this.server1VM = host.getVM(0);
    this.durableClientVM = host.getVM(1);
    regionName = "Bug37805_region";
    CacheServerTestUtil.disableShufflingOfEndpoints();
  }

  @Override
  public final void preTearDown() throws Exception {
    // Stop server 1
    this.server1VM.invoke(() -> CacheServerTestUtil.closeCache());
    CacheServerTestUtil.resetDisableShufflingOfEndpointsFlag();
  }

  @Test
  public void testFunctionality() {
    // Step 1: Starting the servers

    PORT1 = ((Integer) this.server1VM
        .invoke(() -> CacheServerTestUtil.createCacheServer(regionName, new Boolean(true))))
            .intValue();
    final int durableClientTimeout = 600;


    // Step 2: Starting Client and creating durableRegion
    final String durableClientId = getName() + "_client";

    this.durableClientVM
        .invoke(() -> CacheServerTestUtil.createCacheClient(
            getClientPool(NetworkUtils.getServerHostName(durableClientVM.getHost()), PORT1, true,
                0),
            regionName,
            getDurableClientDistributedSystemProperties(durableClientId, durableClientTimeout),
            Boolean.TRUE));

    // Send clientReady message
    this.durableClientVM.invoke(new CacheSerializableRunnable("Send clientReady") {
      public void run2() throws CacheException {
        CacheServerTestUtil.getCache().readyForEvents();
      }
    });

    this.server1VM.invoke(() -> Bug37805DUnitTest.checkRootRegions());


    this.durableClientVM.invoke(() -> CacheServerTestUtil.closeCache());
  }

  public static void checkRootRegions() {
    Set rootRegions = CacheServerTestUtil.getCache().rootRegions();
    if (rootRegions != null) {
      for (Iterator itr = rootRegions.iterator(); itr.hasNext();) {
        Region region = (Region) itr.next();
        if (region instanceof HARegion)
          fail("region of HARegion present");
      }
    }
    // assertNull(rootRegions);
    // assertIndexDetailsEquals(0,((Collection)CacheServerTestUtil.getCache().rootRegions()).size());
  }

  private Pool getClientPool(String host, int server1Port, boolean establishCallbackConnection,
      int redundancyLevel) {
    PoolFactory pf = PoolManager.createFactory();
    pf.addServer(host, server1Port).setSubscriptionEnabled(establishCallbackConnection)
        .setSubscriptionRedundancy(redundancyLevel);
    return ((PoolFactoryImpl) pf).getPoolAttributes();
  }

  private Properties getDurableClientDistributedSystemProperties(String durableClientId,
      int durableClientTimeout) {
    Properties properties = new Properties();
    properties.setProperty(MCAST_PORT, "0");
    properties.setProperty(LOCATORS, "");
    properties.setProperty(DURABLE_CLIENT_ID, durableClientId);
    properties.setProperty(DURABLE_CLIENT_TIMEOUT, String.valueOf(durableClientTimeout));
    return properties;
  }
}