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.client;
  
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.anyLong;
  import static org.mockito.ArgumentMatchers.eq;
  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 java.io.File;
  import java.io.IOException;
  import java.util.Optional;
  import java.util.concurrent.CompletableFuture;
  import org.apache.bookkeeper.client.BKException.BKLedgerExistException;
  import org.apache.bookkeeper.client.api.LedgerMetadata;
  import org.apache.bookkeeper.common.concurrent.FutureUtils;
  import org.apache.bookkeeper.meta.LedgerManager;
  import org.apache.bookkeeper.meta.LedgerManagerFactory;
  import org.apache.bookkeeper.meta.LedgerMetadataSerDe;
  import org.apache.bookkeeper.tools.cli.helpers.BookieCommandTestBase;
  import org.apache.bookkeeper.versioning.Version;
  import org.apache.bookkeeper.versioning.Versioned;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Unit test for {@link LedgerMetaDataCommand}.
   */
  @SuppressWarnings("unchecked")
  public class LedgerMetaDataCommandTest extends BookieCommandTestBase {
  
      private LedgerManager ledgerManager;
      private LedgerManagerFactory factory;
      private CompletableFuture<Versioned<LedgerMetadata>> future;
  
  
      public LedgerMetaDataCommandTest() {
          super(3, 0);
      }
  
      @Override
      public void setup() throws Exception {
          factory = mock(LedgerManagerFactory.class);
  
          mockMetadataDriversWithLedgerManagerFactory(factory);
          ledgerManager = mock(LedgerManager.class);
          when(factory.newLedgerManager()).thenReturn(ledgerManager);
  
          LedgerMetadata ledgerMetadata = mock(LedgerMetadata.class);
          when(ledgerMetadata.getMetadataFormatVersion()).thenReturn(1);
          Versioned<LedgerMetadata> versioned = new Versioned<LedgerMetadata>(ledgerMetadata, Version.NEW);
          versioned.setValue(ledgerMetadata);
          CompletableFuture<Versioned<LedgerMetadata>> future = mock(CompletableFuture.class);
          when(future.join()).thenReturn(versioned);
          when(ledgerManager.readLedgerMetadata(anyLong())).thenReturn(future);
          when(ledgerManager.readLedgerMetadata(anyLong())).thenReturn(future);
          when(future.get()).thenReturn(versioned);
  
          mockConstruction(LedgerMetadataSerDe.class, (serDe, context) -> {
              when(serDe.serialize(eq(ledgerMetadata))).thenReturn(new byte[0]);
              when(serDe.parseConfig(eq(new byte[0]), anyLong(), eq(Optional.empty()))).thenReturn(ledgerMetadata);
          });
  
          when(ledgerManager.createLedgerMetadata(anyLong(), eq(ledgerMetadata))).thenReturn(future);
          when(ledgerManager.writeLedgerMetadata(anyLong(), eq(ledgerMetadata), any())).thenReturn(future);
      }
  
      @Test
      public void testWithDumpToFile() throws IOException {
          File file = testDir.newFile("testdump");
          LedgerMetaDataCommand cmd = new LedgerMetaDataCommand();
          Assert.assertTrue(cmd.apply(bkFlags, new String[] { "-l", "1", "-d", file.getAbsolutePath() }));
  
          verify(ledgerManager, times(1)).readLedgerMetadata(anyLong());
          verify(getMockedConstruction(LedgerMetadataSerDe.class).constructed().get(0),
                  times(1)).serialize(any(LedgerMetadata.class));
      }
  
      @Test
      public void testWithRestoreFromFile() throws IOException {
          File file = testDir.newFile("testrestore");
          LedgerMetaDataCommand cmd = new LedgerMetaDataCommand();
          Assert.assertTrue(cmd.apply(bkFlags, new String[] { "-l", "1", "-r", file.getAbsolutePath() }));
  
          verify(getMockedConstruction(LedgerMetadataSerDe.class).constructed().get(0),
                  times(1)).parseConfig(eq(new byte[0]), anyLong(), eq(Optional.empty()));
          verify(ledgerManager, times(1)).createLedgerMetadata(anyLong(), any(LedgerMetadata.class));
      }
  
      @Test
      public void testWithoutArgs() {
          LedgerMetaDataCommand cmd = new LedgerMetaDataCommand();
          Assert.assertTrue(cmd.apply(bkFlags, new String[] { "-l", "1" }));
  
          verify(factory, times(1)).newLedgerManager();
          verify(ledgerManager, times(1)).readLedgerMetadata(anyLong());
      }
  
      @Test
      public void testWithRestoreFromFileWithExistingLedger() throws IOException {
          when(ledgerManager.createLedgerMetadata(anyLong(), any()))
                  .thenReturn(FutureUtils.exception(new BKLedgerExistException()));
          File file = testDir.newFile("testrestore");
          LedgerMetaDataCommand cmd = new LedgerMetaDataCommand();
          Assert.assertTrue(cmd.apply(bkFlags, new String[] { "-l", "1", "-u", "-r", file.getAbsolutePath() }));
  
          verify(ledgerManager, times(1)).createLedgerMetadata(anyLong(), any(LedgerMetadata.class));
      }
  }
  