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.raft;
  
  import org.apache.kafka.common.Uuid;
  import org.apache.kafka.common.feature.SupportedVersionRange;
  import org.apache.kafka.common.network.ListenerName;
  
  import org.junit.jupiter.api.Test;
  
  import java.net.InetSocketAddress;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class DynamicVoterTest {
      @Test
      public void testParseDynamicVoter() {
          assertEquals(new DynamicVoter(Uuid.fromString("K90IZ-0DRNazJ49kCZ1EMQ"),
                  2,
                  "localhost",
                  (short) 8020),
              DynamicVoter.parse("2@localhost:8020:K90IZ-0DRNazJ49kCZ1EMQ"));
      }
  
      @Test
      public void testParseDynamicVoter2() {
          assertEquals(new DynamicVoter(Uuid.fromString("__0IZ-0DRNazJ49kCZ1EMQ"),
                  100,
                  "192.128.0.100",
                  (short) 800),
              DynamicVoter.parse("100@192.128.0.100:800:__0IZ-0DRNazJ49kCZ1EMQ"));
      }
  
      @Test
      public void testParseDynamicVoterWithBrackets() {
          assertEquals(new DynamicVoter(Uuid.fromString("__0IZ-0DRNazJ49kCZ1EMQ"),
                  5,
                  "2001:4860:4860::8888",
                  (short) 8020),
              DynamicVoter.parse("5@[2001:4860:4860::8888]:8020:__0IZ-0DRNazJ49kCZ1EMQ"));
      }
  
      @Test
      public void testParseDynamicVoterWithoutId() {
          assertEquals("No @ found in dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("localhost:8020:K90IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testParseDynamicVoterWithoutId2() {
          assertEquals("Invalid @ at beginning of dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("@localhost:8020:K90IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testParseDynamicVoterWithInvalidNegativeId() {
          assertEquals("Invalid negative node id -1 in dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("-1@localhost:8020:K90IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testFailedToParseNodeId() {
          assertEquals("Failed to parse node id in dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("blah@localhost:8020:K90IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testParseDynamicVoterWithoutHostname() {
          assertEquals("No hostname found after node id.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("2@")).
                      getMessage());
      }
  
      @Test
      public void testParseDynamicVoterWithUnbalancedBrackets() {
          assertEquals("Hostname began with left bracket, but no right bracket was found.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("5@[2001:4860:4860::8888:8020:__0IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testNoColonFollowingHostname() {
          assertEquals("No colon following hostname could be found.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("2@localhost8020K90IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testPortSectionMustStartWithAColon() {
          assertEquals("Port section must start with a colon.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("5@[2001:4860:4860::8888]8020:__0IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testParseDynamicVoterWithNoColonFollowingPort() {
          assertEquals("No colon following port could be found.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("5@[2001:4860:4860::8888]:8020__0IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testFailedToParsePort() {
          assertEquals("Failed to parse port in dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("5@[2001:4860:4860::8888]:8020m:__0IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testInvalidNegativePort() {
          assertEquals("Invalid port -8020 in dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("5@[2001:4860:4860::8888]:-8020:__0IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testInvalidPositivePort() {
          assertEquals("Invalid port 666666 in dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("5@[2001:4860:4860::8888]:666666:__0IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testFailedToParseDirectoryId() {
          assertEquals("Failed to parse directory ID in dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("5@[2001:4860:4860::8888]:8020:%_0IZ-0DRNazJ49kCZ1EMQ")).
                      getMessage());
      }
  
      @Test
      public void testFailedToParseDirectoryId2() {
          assertEquals("Failed to parse directory ID in dynamic voter string.",
              assertThrows(IllegalArgumentException.class,
                  () -> DynamicVoter.parse("5@[2001:4860:4860::8888]:8020:")).
                      getMessage());
      }
  
      @Test
      public void testToVoterNode() {
          ReplicaKey voterKey = ReplicaKey.of(5, Uuid.fromString("__0IZ-0DRNazJ49kCZ1EMQ"));
          Endpoints listeners = Endpoints.fromInetSocketAddresses(Map.of(
              new ListenerName("CONTROLLER"),
              new InetSocketAddress("localhost", 8020)));
          SupportedVersionRange supportedKRaftVersion =
              new SupportedVersionRange((short) 0, (short) 1);
          assertEquals(VoterSet.VoterNode.of(voterKey, listeners, supportedKRaftVersion),
              DynamicVoter.parse("5@localhost:8020:__0IZ-0DRNazJ49kCZ1EMQ").
                  toVoterNode("CONTROLLER"));
      }
  }
  