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.clients;
  
  import org.apache.kafka.clients.consumer.ConsumerConfig;
  
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.EnumSource;
  
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class GroupRebalanceConfigTest {
  
      @ParameterizedTest
      @EnumSource(value = GroupRebalanceConfig.ProtocolType.class, names = {"CONSUMER", "SHARE"})
      void testRackIdIsEmptyIfNoDefined(GroupRebalanceConfig.ProtocolType protocolType) {
          GroupRebalanceConfig groupRebalanceConfig = new GroupRebalanceConfig(
              new ConsumerConfig(Map.of(
                  ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer",
                  ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer"
              )),
              protocolType
          );
          assertTrue(groupRebalanceConfig.rackId.isEmpty());
      }
      
      @ParameterizedTest
      @EnumSource(value = GroupRebalanceConfig.ProtocolType.class, names = {"CONSUMER", "SHARE"})
      void testRackIdIsEmptyIfValueIsEmptyString(GroupRebalanceConfig.ProtocolType protocolType) {
          GroupRebalanceConfig groupRebalanceConfig = new GroupRebalanceConfig(
              new ConsumerConfig(Map.of(
                  ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer",
                  ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer",
                  ConsumerConfig.CLIENT_RACK_CONFIG, ""
              )),
              protocolType
          );
          assertTrue(groupRebalanceConfig.rackId.isEmpty());
      }
  
      @ParameterizedTest
      @EnumSource(value = GroupRebalanceConfig.ProtocolType.class, names = {"CONSUMER", "SHARE"})
      void testRackIdIsNotEmptyIfDefined(GroupRebalanceConfig.ProtocolType protocolType) {
          GroupRebalanceConfig groupRebalanceConfig = new GroupRebalanceConfig(
              new ConsumerConfig(Map.of(
                  ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer",
                  ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringDeserializer",
                  ConsumerConfig.CLIENT_RACK_CONFIG, "rack1"
              )),
              protocolType
          );
          assertTrue(groupRebalanceConfig.rackId.isPresent());
          assertEquals("rack1", groupRebalanceConfig.rackId.get());
      }
  }
  