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   * 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.cassandra.db;
  
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  
  import org.apache.cassandra.io.util.File;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.Parameterized;
  import org.junit.runners.Parameterized.Parameters;
  
  import org.apache.cassandra.SchemaLoader;
  import org.apache.cassandra.Util;
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.config.ParameterizedClass;
  import org.apache.cassandra.db.rows.UnfilteredRowIterator;
  import org.apache.cassandra.db.commitlog.CommitLog;
  import org.apache.cassandra.exceptions.ConfigurationException;
  import org.apache.cassandra.io.compress.DeflateCompressor;
  import org.apache.cassandra.io.compress.LZ4Compressor;
  import org.apache.cassandra.io.compress.SnappyCompressor;
  import org.apache.cassandra.io.compress.ZstdCompressor;
  import org.apache.cassandra.io.util.FileUtils;
  import org.apache.cassandra.schema.KeyspaceParams;
  import org.apache.cassandra.security.EncryptionContext;
  import org.apache.cassandra.security.EncryptionContextGenerator;
  
  @RunWith(Parameterized.class)
  public class RecoveryManagerMissingHeaderTest
  {
      private static final String KEYSPACE1 = "RecoveryManager3Test1";
      private static final String CF_STANDARD1 = "Standard1";
  
      private static final String KEYSPACE2 = "RecoveryManager3Test2";
      private static final String CF_STANDARD3 = "Standard3";
  
      public RecoveryManagerMissingHeaderTest(ParameterizedClass commitLogCompression, EncryptionContext encryptionContext)
      {
          DatabaseDescriptor.setCommitLogCompression(commitLogCompression);
          DatabaseDescriptor.setEncryptionContext(encryptionContext);
          DatabaseDescriptor.initializeCommitLogDiskAccessMode();
      }
  
      @Parameters()
      public static Collection<Object[]> generateData()
      {
          return Arrays.asList(new Object[][]{
              {null, EncryptionContextGenerator.createDisabledContext()}, // No compression, no encryption
              {null, EncryptionContextGenerator.createContext(true)}, // Encryption
              {new ParameterizedClass(LZ4Compressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()},
              {new ParameterizedClass(SnappyCompressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()},
              {new ParameterizedClass(DeflateCompressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()},
              {new ParameterizedClass(ZstdCompressor.class.getName(), Collections.emptyMap()), EncryptionContextGenerator.createDisabledContext()}});
      }
  
      @Before
      public void setUp() throws IOException
      {
          CommitLog.instance.resetUnsafe(true);
      }
  
      @BeforeClass
      public static void defineSchema() throws ConfigurationException
      {
          SchemaLoader.prepareServer();
          SchemaLoader.createKeyspace(KEYSPACE1,
                                      KeyspaceParams.simple(1),
                                      SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARD1));
          SchemaLoader.createKeyspace(KEYSPACE2,
                                      KeyspaceParams.simple(1),
                                      SchemaLoader.standardCFMD(KEYSPACE2, CF_STANDARD3));
      }
  
      @Test
      public void testMissingHeader() throws IOException
      {
          Keyspace keyspace1 = Keyspace.open(KEYSPACE1);
          Keyspace keyspace2 = Keyspace.open(KEYSPACE2);
  
          DecoratedKey dk = Util.dk("keymulti");
          UnfilteredRowIterator upd1 = Util.apply(new RowUpdateBuilder(keyspace1.getColumnFamilyStore(CF_STANDARD1).metadata(), 1L, 0, "keymulti")
                                         .clustering("col1").add("val", "1")
                                         .build());
  
          UnfilteredRowIterator upd2 = Util.apply(new RowUpdateBuilder(keyspace2.getColumnFamilyStore(CF_STANDARD3).metadata(), 1L, 0, "keymulti")
                                         .clustering("col1").add("val", "1")
                                         .build());
  
          keyspace1.getColumnFamilyStore("Standard1").clearUnsafe();
          keyspace2.getColumnFamilyStore("Standard3").clearUnsafe();
  
          // nuke the header
          for (File file : new File(DatabaseDescriptor.getCommitLogLocation()).tryList())
          {
              if (file.name().endsWith(".header"))
                  FileUtils.deleteWithConfirm(file);
          }
  
          CommitLog.instance.resetUnsafe(false);
  
          Assert.assertTrue(Util.sameContent(upd1, Util.getOnlyPartitionUnfiltered(Util.cmd(keyspace1.getColumnFamilyStore(CF_STANDARD1), dk).build()).unfilteredIterator()));
          Assert.assertTrue(Util.sameContent(upd2, Util.getOnlyPartitionUnfiltered(Util.cmd(keyspace2.getColumnFamilyStore(CF_STANDARD3), dk).build()).unfilteredIterator()));
      }
  }
  