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.bookkeeper.tools.cli.commands.bookie;
  
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.anyBoolean;
  import static org.mockito.ArgumentMatchers.anyLong;
  import static org.mockito.ArgumentMatchers.eq;
  import static org.mockito.Mockito.doNothing;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import com.google.common.util.concurrent.UncheckedExecutionException;
  import io.netty.buffer.PooledByteBufAllocator;
  import java.io.File;
  import java.io.IOException;
  import java.util.Iterator;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Vector;
  import java.util.stream.LongStream;
  import org.apache.bookkeeper.bookie.InterleavedLedgerStorage;
  import org.apache.bookkeeper.bookie.LedgerCache;
  import org.apache.bookkeeper.bookie.LedgerDirsManager;
  import org.apache.bookkeeper.bookie.storage.ldb.DbLedgerStorage;
  import org.apache.bookkeeper.conf.ServerConfiguration;
  import org.apache.bookkeeper.stats.NullStatsLogger;
  import org.apache.bookkeeper.tools.cli.helpers.BookieCommandTestBase;
  import org.apache.bookkeeper.util.DiskChecker;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Unit test for {@link ConvertToInterleavedStorageCommand}.
   */
  public class ConvertToInterleavedStorageCommandTest extends BookieCommandTestBase {
  
      private LedgerCache interleavedLedgerCache;
  
  
      // create multi ledger dirs and multi index dirs
      public ConvertToInterleavedStorageCommandTest() {
          super(3, 3);
      }
  
      @Override
      public void setup() throws Exception {
          super.setup();
  
          createTmpFile();
          mockServerConfigurationConstruction();
  
          mockConstruction(DiskChecker.class);
  
          mockConstruction(LedgerDirsManager.class, (ledgersDirManager, context) -> {
              when(ledgersDirManager.getAllLedgerDirs()).thenReturn(getFileList());
          });
  
  
          mockConstruction(DbLedgerStorage.class, (dbStorage, context) -> {
              when(dbStorage.getActiveLedgersInRange(anyLong(), anyLong()))
                      .thenReturn(ConvertToInterleavedStorageCommandTest.this::getLedgerId);
          });
  
          interleavedLedgerCache = mock(LedgerCache.class);
          doNothing().when(interleavedLedgerCache).flushLedger(anyBoolean());
  
          mockConstruction(InterleavedLedgerStorage.class,
                  (interleavedLedgerStorage, context) -> {
                      doNothing().when(interleavedLedgerStorage).flush();
                      doNothing().when(interleavedLedgerStorage).shutdown();
                      when(interleavedLedgerStorage.getLedgerCache()).thenReturn(interleavedLedgerCache);
                  });
      }
  
  
      private Iterator<Long> getLedgerId() {
          Vector<Long> longs = new Vector<>();
          LongStream.range(0L, 10L).forEach(longs::add);
          return longs.iterator();
      }
  
      private List<File> getFileList() {
          List<File> files = new LinkedList<>();
          files.add(testDir.getRoot());
          return files;
      }
  
      private void createTmpFile() {
          try {
              testDir.newFile("ledgers");
              testDir.newFile("locations");
          } catch (IOException e) {
              throw new UncheckedExecutionException(e.getMessage(), e);
          }
      }
  
      @Test
      public void testConvertToInterleavedStorageCommand() {
          ConvertToInterleavedStorageCommand cmd = new ConvertToInterleavedStorageCommand();
          Assert.assertTrue(cmd.apply(bkFlags, new String[] { "" }));
  
          try {
              final DbLedgerStorage dbStorage = getMockedConstruction(DbLedgerStorage.class).constructed().get(0);
              final InterleavedLedgerStorage interleavedLedgerStorage =
                      getMockedConstruction(InterleavedLedgerStorage.class).constructed().get(0);
              verify(dbStorage, times(1)).initialize(
                      any(ServerConfiguration.class), eq(null), any(LedgerDirsManager.class),
                  any(LedgerDirsManager.class), eq(NullStatsLogger.INSTANCE), eq(PooledByteBufAllocator.DEFAULT));
  
              verify(interleavedLedgerStorage, times(1))
                  .initialize(any(ServerConfiguration.class), eq(null), any(LedgerDirsManager.class),
                      any(LedgerDirsManager.class), eq(NullStatsLogger.INSTANCE), eq(PooledByteBufAllocator.DEFAULT));
              verify(dbStorage, times(1)).getActiveLedgersInRange(anyLong(), anyLong());
              verify(dbStorage, times(10)).readMasterKey(anyLong());
              verify(interleavedLedgerStorage, times(10)).setMasterKey(anyLong(), any());
              verify(dbStorage, times(10)).getLastEntryInLedger(anyLong());
              verify(dbStorage, times(10)).getLocation(anyLong(), anyLong());
              verify(dbStorage, times(1)).shutdown();
              verify(interleavedLedgerCache, times(1)).flushLedger(true);
              verify(interleavedLedgerStorage, times(1)).flush();
              verify(interleavedLedgerStorage, times(1)).shutdown();
          } catch (Exception e) {
              throw new UncheckedExecutionException(e.getMessage(), e);
          }
      }
  }
  