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 java.util.Iterator;
  import java.util.Vector;
  import java.util.stream.LongStream;
  import org.apache.bookkeeper.bookie.BookieImpl;
  import org.apache.bookkeeper.bookie.InterleavedLedgerStorage;
  import org.apache.bookkeeper.bookie.LedgerCache;
  import org.apache.bookkeeper.bookie.storage.ldb.DbLedgerStorage;
  import org.apache.bookkeeper.conf.ServerConfiguration;
  import org.apache.bookkeeper.tools.cli.helpers.BookieCommandTestBase;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Unit test for {@link ConvertToDBStorageCommand}.
   */
  public class ConvertToDBStorageCommandTest extends BookieCommandTestBase {
  
      private LedgerCache.LedgerIndexMetadata metadata;
      private LedgerCache.PageEntriesIterable entries;
  
      public ConvertToDBStorageCommandTest() {
          super(3, 0);
      }
  
      @Override
      public void setup() throws Exception {
          super.setup();
  
          mockServerConfigurationConstruction();
  
          metadata = mock(LedgerCache.LedgerIndexMetadata.class);
          entries = mock(LedgerCache.PageEntriesIterable.class);
  
          mockConstruction(InterleavedLedgerStorage.class, (interleavedLedgerStorage, context) -> {
                      doNothing().when(interleavedLedgerStorage).shutdown();
                      when(interleavedLedgerStorage.getActiveLedgersInRange(anyLong(), anyLong())).thenReturn(
                              ConvertToDBStorageCommandTest.this::getLedgerId);
                      when(interleavedLedgerStorage.readLedgerIndexMetadata(anyLong())).thenReturn(metadata);
                      when(interleavedLedgerStorage.getIndexEntries(anyLong())).thenReturn(entries);
                  });
          mockConstruction(DbLedgerStorage.class, (dbStorage, context) -> {
              doNothing().when(dbStorage).shutdown();
              when(dbStorage.addLedgerToIndex(anyLong(), anyBoolean(), eq(new byte[0]),
                      any(LedgerCache.PageEntriesIterable.class))).thenReturn(1L);
          });
          mockStatic(BookieImpl.class);
          getMockedStatic(BookieImpl.class).when(() -> BookieImpl
                          .mountLedgerStorageOffline(any(ServerConfiguration.class), any(InterleavedLedgerStorage.class)))
              .thenReturn(mock(InterleavedLedgerStorage.class));
          getMockedStatic(BookieImpl.class).when(() -> BookieImpl
                          .mountLedgerStorageOffline(any(ServerConfiguration.class), any(DbLedgerStorage.class)))
                  .thenAnswer((invocation) ->
                          getMockedConstruction(InterleavedLedgerStorage.class).constructed().get(0));
      }
  
      private Iterator<Long> getLedgerId() {
          Vector<Long> longs = new Vector<>();
          LongStream.range(0L, 10L).forEach(longs::add);
          return longs.iterator();
      }
  
      @Test
      public void testCTDB() {
          ConvertToDBStorageCommand cmd = new ConvertToDBStorageCommand();
          Assert.assertTrue(cmd.apply(bkFlags, new String[] { "" }));
  
          try {
              InterleavedLedgerStorage interleavedLedgerStorage = getMockedConstruction(InterleavedLedgerStorage.class)
                      .constructed().get(0);
  
              DbLedgerStorage dbStorage = getMockedConstruction(DbLedgerStorage.class).constructed().get(0);
              verify(interleavedLedgerStorage, times(10)).readLedgerIndexMetadata(anyLong());
              verify(interleavedLedgerStorage, times(10)).getIndexEntries(anyLong());
              verify(dbStorage, times(10))
                  .addLedgerToIndex(anyLong(), anyBoolean(), any(), any(LedgerCache.PageEntriesIterable.class));
              verify(interleavedLedgerStorage, times(10)).deleteLedger(anyLong());
  
              verify(dbStorage, times(1)).shutdown();
              verify(interleavedLedgerStorage, times(1)).shutdown();
          } catch (Exception e) {
              throw new UncheckedExecutionException(e.getMessage(), e);
          }
      }
  }
  