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.client;
  
  import static org.junit.Assert.assertEquals;
  
  import com.google.common.collect.Lists;
  import org.apache.bookkeeper.client.BookKeeper.DigestType;
  import org.apache.bookkeeper.test.BookKeeperClusterTestCase;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Test reading an entry from replicas in sequence way.
   */
  public class TestSequenceRead extends BookKeeperClusterTestCase {
  
      private static final Logger logger = LoggerFactory.getLogger(TestSequenceRead.class);
  
      public TestSequenceRead() {
          super(5);
      }
  
      private long createLedgerWithDuplicatedBookies() throws Exception {
          long ledgerId = 12345L;
          // introduce duplicated bookies in an ensemble.
          LedgerMetadataBuilder builder = LedgerMetadataBuilder.create()
              .withId(ledgerId).withEnsembleSize(3).withWriteQuorumSize(3).withAckQuorumSize(3)
              .newEnsembleEntry(0L, Lists.newArrayList(getBookie(0), getBookie(0), getBookie(0)));
          ClientUtil.setupLedger(bkc.getLedgerManager(), ledgerId, builder);
  
          logger.info("Update ledger metadata with duplicated bookies for ledger {}.", ledgerId);
          return ledgerId;
      }
  
      @Test
      public void testSequenceReadOnDuplicatedBookies() throws Exception {
          final long ledgerId = createLedgerWithDuplicatedBookies();
  
          // should be able to open the ledger even it has duplicated bookies
          final LedgerHandle readLh = bkc.openLedger(
                  ledgerId, DigestType.fromApiDigestType(ClientUtil.DIGEST_TYPE), ClientUtil.PASSWD);
          assertEquals(LedgerHandle.INVALID_ENTRY_ID, readLh.getLastAddConfirmed());
      }
  
  }
  