content: /*
   * 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.bifromq.basecluster.messenger;
  
  import static org.testng.Assert.assertTrue;
  import static org.testng.Assert.fail;
  
  import org.apache.bifromq.basecluster.transport.Transport;
  import io.reactivex.rxjava3.schedulers.Schedulers;
  import java.net.InetSocketAddress;
  import java.util.Collection;
  import java.util.Collections;
  import org.testng.annotations.Test;
  
  public class MessengerTest {
      @Test
      public void shutdown() {
          Transport transport = Transport.builder()
              .env("test")
              .bindAddr(new InetSocketAddress("127.0.0.1", 0))
              .build();
          Messenger localMessenger = Messenger.builder()
              .transport(transport)
              .scheduler(Schedulers.io())
              .opts(new MessengerOptions())
              .build();
          localMessenger.start(new IRecipientSelector() {
              @Override
              public Collection<? extends IRecipient> selectForSpread(int limit) {
                  return Collections.emptyList();
              }
  
              @Override
              public int clusterSize() {
                  return 1;
              }
          });
          localMessenger.shutdown();
          localMessenger.shutdown();
          transport.shutdown().join();
      }
  
      @Test
      public void shutdownWithoutStart() {
          Transport transport = Transport.builder()
              .env("test")
              .bindAddr(new InetSocketAddress("127.0.0.1", 0))
              .build();
          Messenger localMessenger = Messenger.builder()
              .transport(transport)
              .scheduler(Schedulers.io())
              .opts(new MessengerOptions())
              .build();
          try {
              localMessenger.shutdown();
              fail();
          } catch (Throwable e) {
              assertTrue(e instanceof IllegalStateException);
          } finally {
              transport.shutdown().join();
          }
      }
  }
  