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.kafka.connect.runtime;
  
  import org.apache.kafka.connect.runtime.rest.entities.ConnectorStateInfo;
  import org.apache.kafka.connect.runtime.rest.entities.ConnectorStateInfo.TaskState;
  import org.apache.kafka.connect.runtime.rest.entities.ConnectorType;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class RestartPlanTest {
      private static final String CONNECTOR_NAME = "foo";
  
      @Test
      public void testRestartPlan() {
          ConnectorStateInfo.ConnectorState state = new ConnectorStateInfo.ConnectorState(
                  AbstractStatus.State.RESTARTING.name(), "foo", null, null
          );
          List<TaskState> tasks = new ArrayList<>();
          tasks.add(new TaskState(1, AbstractStatus.State.RUNNING.name(), "worker1", null, null));
          tasks.add(new TaskState(2, AbstractStatus.State.PAUSED.name(), "worker1", null, null));
          tasks.add(new TaskState(3, AbstractStatus.State.RESTARTING.name(), "worker1", null, null));
          tasks.add(new TaskState(4, AbstractStatus.State.DESTROYED.name(), "worker1", null, null));
          tasks.add(new TaskState(5, AbstractStatus.State.RUNNING.name(), "worker1", null, null));
          tasks.add(new TaskState(6, AbstractStatus.State.RUNNING.name(), "worker1", null, null));
          ConnectorStateInfo connectorStateInfo = new ConnectorStateInfo(CONNECTOR_NAME, state, tasks, ConnectorType.SOURCE);
  
          RestartRequest restartRequest = new RestartRequest(CONNECTOR_NAME, false, true);
          RestartPlan restartPlan = new RestartPlan(restartRequest, connectorStateInfo);
  
          assertTrue(restartPlan.shouldRestartConnector());
          assertTrue(restartPlan.shouldRestartTasks());
          assertEquals(1, restartPlan.taskIdsToRestart().size());
          assertEquals(3, restartPlan.taskIdsToRestart().iterator().next().task());
          assertTrue(restartPlan.toString().contains("plan to restart connector"));
      }
  
      @Test
      public void testNoRestartsPlan() {
          ConnectorStateInfo.ConnectorState state = new ConnectorStateInfo.ConnectorState(
                  AbstractStatus.State.RUNNING.name(), "foo", null, null
          );
          List<TaskState> tasks = new ArrayList<>();
          tasks.add(new TaskState(1, AbstractStatus.State.RUNNING.name(), "worker1", null, null));
          tasks.add(new TaskState(2, AbstractStatus.State.PAUSED.name(), "worker1", null, null));
          ConnectorStateInfo connectorStateInfo = new ConnectorStateInfo(CONNECTOR_NAME, state, tasks, ConnectorType.SOURCE);
          RestartRequest restartRequest = new RestartRequest(CONNECTOR_NAME, false, true);
          RestartPlan restartPlan = new RestartPlan(restartRequest, connectorStateInfo);
  
          assertFalse(restartPlan.shouldRestartConnector());
          assertFalse(restartPlan.shouldRestartTasks());
          assertEquals(0, restartPlan.taskIdsToRestart().size());
          assertTrue(restartPlan.toString().contains("plan to restart 0 of"));
      }
  
      @Test
      public void testRestartsOnlyConnector() {
          ConnectorStateInfo.ConnectorState state = new ConnectorStateInfo.ConnectorState(
                  AbstractStatus.State.RESTARTING.name(), "foo", null, null
          );
          List<TaskState> tasks = new ArrayList<>();
          tasks.add(new TaskState(1, AbstractStatus.State.RUNNING.name(), "worker1", null, null));
          tasks.add(new TaskState(2, AbstractStatus.State.PAUSED.name(), "worker1", null, null));
          ConnectorStateInfo connectorStateInfo = new ConnectorStateInfo(CONNECTOR_NAME, state, tasks, ConnectorType.SOURCE);
          RestartRequest restartRequest = new RestartRequest(CONNECTOR_NAME, false, true);
          RestartPlan restartPlan = new RestartPlan(restartRequest, connectorStateInfo);
  
          assertTrue(restartPlan.shouldRestartConnector());
          assertFalse(restartPlan.shouldRestartTasks());
          assertEquals(0, restartPlan.taskIdsToRestart().size());
      }
  }
  