content: /*
   * Copyright 2014-2025 Real Logic Limited.
   *
   * Licensed 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
   *
   * https://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 io.aeron.cluster;
  
  import io.aeron.cluster.service.Cluster;
  import io.aeron.test.EventLogExtension;
  import io.aeron.test.InterruptAfter;
  import io.aeron.test.InterruptingTestCallback;
  import io.aeron.test.SystemTestWatcher;
  import io.aeron.test.cluster.TestCluster;
  import io.aeron.test.cluster.TestNode;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.junit.jupiter.api.extension.RegisterExtension;
  
  import static io.aeron.test.cluster.TestCluster.aCluster;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  @ExtendWith({ EventLogExtension.class, InterruptingTestCallback.class })
  class AppointedLeaderTest
  {
      @RegisterExtension
      final SystemTestWatcher systemTestWatcher = new SystemTestWatcher();
  
      private static final int LEADER_ID = 1;
  
      @Test
      @InterruptAfter(20)
      void shouldConnectAndSendKeepAlive()
      {
          final TestCluster cluster = aCluster().withStaticNodes(3).withAppointedLeader(LEADER_ID).start();
          systemTestWatcher.cluster(cluster);
  
          final TestNode leader = cluster.awaitLeader();
          assertEquals(LEADER_ID, leader.index());
          assertEquals(Cluster.Role.LEADER, leader.role());
  
          cluster.connectClient();
          assertTrue(cluster.client().sendKeepAlive());
      }
  
      @Test
      @InterruptAfter(20)
      void shouldEchoMessagesViaService()
      {
          final TestCluster cluster = aCluster().withStaticNodes(3).withAppointedLeader(LEADER_ID).start();
          systemTestWatcher.cluster(cluster);
  
          final TestNode leader = cluster.awaitLeader();
          assertEquals(LEADER_ID, leader.index());
          assertEquals(Cluster.Role.LEADER, leader.role());
  
          cluster.connectClient();
          cluster.sendAndAwaitMessages(10);
      }
  }
  