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.image.writer;
  
  import org.apache.kafka.common.Uuid;
  import org.apache.kafka.common.config.ConfigResource;
  import org.apache.kafka.common.metadata.ConfigRecord;
  import org.apache.kafka.common.metadata.TopicRecord;
  import org.apache.kafka.image.MetadataDelta;
  import org.apache.kafka.image.MetadataImage;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.Timeout;
  
  import java.util.Map;
  
  import static org.apache.kafka.common.config.ConfigResource.Type.BROKER;
  import static org.apache.kafka.metadata.RecordTestUtils.testRecord;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  
  @Timeout(value = 40)
  public class ImageReWriterTest {
      @Test
      public void testWrite() {
          MetadataDelta delta = new MetadataDelta.Builder().build();
          ImageReWriter writer = new ImageReWriter(delta);
          writer.write(testRecord(0));
          writer.write(testRecord(1));
          writer.close(true);
          assertEquals(2, delta.getOrCreateTopicsDelta().changedTopics().size());
          assertEquals(2, writer.image().topics().topicsById().size());
      }
  
      @Test
      public void testCloseWithoutFreeze() {
          MetadataDelta delta = new MetadataDelta.Builder().build();
          ImageReWriter writer = new ImageReWriter(delta);
          writer.close();
          assertNull(writer.image());
      }
  
      @Test
      public void testWriteAfterClose() {
          MetadataDelta delta = new MetadataDelta.Builder().build();
          ImageReWriter writer = new ImageReWriter(delta);
          writer.close(true);
          assertThrows(ImageWriterClosedException.class, () ->
                  writer.write(0, new TopicRecord().
                          setName("foo").
                          setTopicId(Uuid.fromString("3B134hrsQgKtz8Sp6QBIfg"))));
      }
  
      @Test
      public void testCloseInvokesFinishSnapshot() {
          MetadataDelta delta = new MetadataDelta.Builder().build();
          ImageReWriter writer = new ImageReWriter(delta);
          writer.write(0, new TopicRecord().
                  setName("foo").
                  setTopicId(Uuid.fromString("3B134hrsQgKtz8Sp6QBIfg")));
          writer.close(true);
  
          MetadataDelta delta2 = new MetadataDelta.Builder().setImage(writer.image()).build();
          ImageReWriter writer2 = new ImageReWriter(delta2);
          writer2.write(0, new ConfigRecord().
                  setResourceName("").
                  setResourceType(BROKER.id()).
                  setName("num.io.threads").
                  setValue("12"));
          writer2.close(true);
          MetadataImage newImage = writer2.image();
  
          assertEquals(Map.of(), newImage.topics().topicsById());
          assertEquals(Map.of("num.io.threads", "12"),
              newImage.configs().configMapForResource(new ConfigResource(BROKER, "")));
      }
  }
  