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.admin.internals;
  
  import org.apache.kafka.clients.admin.AdminClientConfig;
  import org.apache.kafka.common.config.ConfigException;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.ValueSource;
  
  import java.net.InetSocketAddress;
  import java.util.Arrays;
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class AdminBootstrapAddressesTest {
      @ParameterizedTest
      @ValueSource(booleans = {false, true})
      public void testNoBootstrapSet(boolean nullValue) {
          Map<String, Object> map = new HashMap<>();
          if (nullValue) {
              map.put(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, null);
              map.put(AdminClientConfig.BOOTSTRAP_CONTROLLERS_CONFIG, null);
          } else {
              map.put(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, "");
              map.put(AdminClientConfig.BOOTSTRAP_CONTROLLERS_CONFIG, "");
          }
          AdminClientConfig config = new AdminClientConfig(map);
          assertEquals("You must set either bootstrap.servers or bootstrap.controllers",
              assertThrows(ConfigException.class, () -> AdminBootstrapAddresses.fromConfig(config)).
                  getMessage());
      }
  
      @Test
      public void testTwoBootstrapsSet() {
          Map<String, Object> map = new HashMap<>();
          map.put(AdminClientConfig.BOOTSTRAP_CONTROLLERS_CONFIG, "localhost:9092");
          map.put(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
          AdminClientConfig config = new AdminClientConfig(map);
          assertEquals("You cannot set both bootstrap.servers and bootstrap.controllers",
                  assertThrows(ConfigException.class, () -> AdminBootstrapAddresses.fromConfig(config)).
                          getMessage());
      }
  
      @ParameterizedTest
      @ValueSource(booleans = {false, true})
      public void testFromConfig(boolean usingBootstrapControllers) {
          Map<String, Object> map = new HashMap<>();
          String connectString = "localhost:9092,localhost:9093,localhost:9094";
          if (usingBootstrapControllers) {
              map.put(AdminClientConfig.BOOTSTRAP_CONTROLLERS_CONFIG, connectString);
          } else {
              map.put(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, connectString);
          }
          AdminClientConfig config = new AdminClientConfig(map);
          AdminBootstrapAddresses addresses = AdminBootstrapAddresses.fromConfig(config);
          assertEquals(usingBootstrapControllers, addresses.usingBootstrapControllers());
          assertEquals(Arrays.asList(
              new InetSocketAddress("localhost", 9092),
              new InetSocketAddress("localhost", 9093),
              new InetSocketAddress("localhost", 9094)),
                  addresses.addresses());
      }
  }
  