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.controller;
  
  import org.apache.kafka.common.config.ConfigResource;
  import org.apache.kafka.common.config.TopicConfig;
  import org.apache.kafka.common.metadata.ConfigRecord;
  import org.apache.kafka.metadata.bootstrap.BootstrapMetadata;
  import org.apache.kafka.server.common.ApiMessageAndVersion;
  import org.apache.kafka.server.common.EligibleLeaderReplicasVersion;
  import org.apache.kafka.server.common.MetadataVersion;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * This class is for testing the log message or exception produced by ActivationRecordsGenerator. For tests that
   * verify the semantics of the returned records, see QuorumControllerTest.
   */
  public class ActivationRecordsGeneratorTest {
  
      @Test
      public void testActivationMessageForEmptyLog() {
          ControllerResult<Void> result = ActivationRecordsGenerator.recordsForEmptyLog(
              logMsg -> assertEquals("Performing controller activation. The metadata log appears to be empty. " +
                  "Appending 1 bootstrap record(s) at metadata.version 3.3-IV3 from bootstrap source 'test'.", logMsg),
              -1L,
              BootstrapMetadata.fromVersion(MetadataVersion.MINIMUM_VERSION, "test"),
              MetadataVersion.MINIMUM_VERSION,
              2
          );
          assertTrue(result.isAtomic());
          assertEquals(1, result.records().size());
      }
  
      @Test
      public void testActivationMessageForEmptyLogAtMv3_4() {
          ControllerResult<Void> result = ActivationRecordsGenerator.recordsForEmptyLog(
              logMsg -> assertEquals("Performing controller activation. The metadata log appears to be empty. " +
                  "Appending 1 bootstrap record(s) at metadata.version 3.4-IV0 from bootstrap " +
                  "source 'test'.", logMsg),
              -1L,
              BootstrapMetadata.fromVersion(MetadataVersion.IBP_3_4_IV0, "test"),
              MetadataVersion.IBP_3_4_IV0,
              2
          );
          assertTrue(result.isAtomic());
          assertEquals(1, result.records().size());
      }
  
      @Test
      public void testActivationMessageForEmptyLogAtMv3_6() {
          ControllerResult<Void> result = ActivationRecordsGenerator.recordsForEmptyLog(
              logMsg -> assertEquals("Performing controller activation. The metadata log appears to be empty. " +
                  "Appending 1 bootstrap record(s) in metadata transaction at metadata.version 3.6-IV1 from bootstrap " +
                  "source 'test'.", logMsg),
              -1L,
              BootstrapMetadata.fromVersion(MetadataVersion.IBP_3_6_IV1, "test"),
              MetadataVersion.IBP_3_6_IV1,
              2
          );
          assertFalse(result.isAtomic());
          assertEquals(3, result.records().size());
      }
  
      @Test
      public void testActivationMessageForEmptyLogAtMv3_6WithTransaction() {
          ControllerResult<Void> result = ActivationRecordsGenerator.recordsForEmptyLog(
              logMsg -> assertEquals("Performing controller activation. Aborting partial bootstrap records " +
                  "transaction at offset 0. Re-appending 1 bootstrap record(s) in new metadata transaction at " +
                  "metadata.version 3.6-IV1 from bootstrap source 'test'.", logMsg),
              0L,
              BootstrapMetadata.fromVersion(MetadataVersion.IBP_3_6_IV1, "test"),
              MetadataVersion.IBP_3_6_IV1,
              2
          );
          assertFalse(result.isAtomic());
          assertEquals(4, result.records().size());
      }
  
      @Test
      public void testActivationMessageForEmptyLogAtMv4_0WithTransactionAndElr() {
          ControllerResult<Void> result = ActivationRecordsGenerator.recordsForEmptyLog(
              logMsg -> assertEquals("Performing controller activation. Aborting partial bootstrap records " +
                  "transaction at offset 0. Re-appending 2 bootstrap record(s) in new metadata transaction at " +
                  "metadata.version 4.0-IV1 from bootstrap source 'test'.", logMsg),
              0L,
              BootstrapMetadata.fromVersion(MetadataVersion.IBP_4_0_IV1, "test").copyWithFeatureRecord(
                  EligibleLeaderReplicasVersion.FEATURE_NAME,
                  EligibleLeaderReplicasVersion.ELRV_1.featureLevel()),
              MetadataVersion.IBP_4_0_IV1,
              2
          );
          assertFalse(result.isAtomic());
          assertEquals(6, result.records().size());
          assertTrue(result.records().contains(new ApiMessageAndVersion(new ConfigRecord().
              setResourceType(ConfigResource.Type.BROKER.id()).
              setResourceName("").
              setName(TopicConfig.MIN_IN_SYNC_REPLICAS_CONFIG).
              setValue("2"), (short) 0)));
      }
  }
  