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.common;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  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.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class DirectoryIdTest {
      @Test
      void testUnassignedIsReserved() {
          assertTrue(DirectoryId.reserved(DirectoryId.UNASSIGNED));
      }
  
      @Test
      void testLostIsReserved() {
          assertTrue(DirectoryId.reserved(DirectoryId.LOST));
      }
  
      @Test
      void testMigratingIsReserved() {
          assertTrue(DirectoryId.reserved(DirectoryId.MIGRATING));
      }
  
      @Test
      void testCreateAssignmentMap() {
          assertThrows(IllegalArgumentException.class, () ->
                  DirectoryId.createAssignmentMap(new int[]{1, 2}, DirectoryId.unassignedArray(3)));
          assertEquals(
              new HashMap<Integer, Uuid>() {{
                      put(1, Uuid.fromString("upjfkCrUR9GNn1i94ip1wg"));
                      put(2, Uuid.fromString("bCF3l0RIQjOKhUqgbivHZA"));
                      put(3, Uuid.fromString("Fg3mFhcVQlqCWRk4dZazxw"));
                      put(4, Uuid.fromString("bv9TEYi4TqOm52hLmrxT5w"));
                  }},
              DirectoryId.createAssignmentMap(
                      new int[] {1, 2, 3, 4},
                      new Uuid[] {
                              Uuid.fromString("upjfkCrUR9GNn1i94ip1wg"),
                              Uuid.fromString("bCF3l0RIQjOKhUqgbivHZA"),
                              Uuid.fromString("Fg3mFhcVQlqCWRk4dZazxw"),
                              Uuid.fromString("bv9TEYi4TqOm52hLmrxT5w")
                      })
          );
      }
  
      @Test
      void testIsOnline() {
          // Given
          List<Uuid> sortedDirs = new ArrayList<>(List.of(
              Uuid.fromString("imQKg2cXTVe8OUFNa3R9bg"),
              Uuid.fromString("Mwy5wxTDQxmsZwGzjsaX7w"),
              Uuid.fromString("s8rHMluuSDCnxt3FmKwiyw")
          ));
          sortedDirs.sort(Uuid::compareTo);
          List<Uuid> emptySortedDirs = List.of();
  
          // When/Then
          assertTrue(DirectoryId.isOnline(Uuid.fromString("imQKg2cXTVe8OUFNa3R9bg"), sortedDirs));
          assertTrue(DirectoryId.isOnline(Uuid.fromString("Mwy5wxTDQxmsZwGzjsaX7w"), sortedDirs));
          assertTrue(DirectoryId.isOnline(Uuid.fromString("s8rHMluuSDCnxt3FmKwiyw"), sortedDirs));
          assertTrue(DirectoryId.isOnline(DirectoryId.MIGRATING, sortedDirs));
          assertTrue(DirectoryId.isOnline(DirectoryId.UNASSIGNED, sortedDirs));
          assertFalse(DirectoryId.isOnline(DirectoryId.LOST, sortedDirs));
          assertFalse(DirectoryId.isOnline(Uuid.fromString("AMYchbMtS6yhtsXbca7DQg"), sortedDirs));
          assertTrue(DirectoryId.isOnline(Uuid.randomUuid(), emptySortedDirs));
      }
  }
  