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.distributedlog.impl.metadata;
  
  import static org.apache.distributedlog.impl.metadata.ZKLogStreamMetadataStore.intToBytes;
  import static org.apache.distributedlog.impl.metadata.ZKLogStreamMetadataStore.processLogMetadatas;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertTrue;
  
  import com.google.common.collect.Lists;
  import java.net.URI;
  import java.util.List;
  import org.apache.bookkeeper.versioning.LongVersion;
  import org.apache.bookkeeper.versioning.Versioned;
  import org.apache.distributedlog.DLMTestUtil;
  import org.apache.distributedlog.exceptions.UnexpectedException;
  import org.apache.distributedlog.metadata.LogMetadata;
  import org.apache.distributedlog.metadata.LogMetadataForWriter;
  import org.apache.distributedlog.util.DLUtils;
  import org.junit.Test;
  
  /**
   * TestZKLogStreamMetadataStoreUtils.
   */
  public class TestZKLogStreamMetadataStoreUtils {
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000, expected = UnexpectedException.class)
      public void testProcessLogMetadatasMissingMaxTxnId() throws Exception {
          String rootPath = "/test-missing-max-txn-id";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null));
          processLogMetadatas(uri, logName, logIdentifier, metadatas, false);
      }
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000, expected = UnexpectedException.class)
      public void testProcessLogMetadatasMissingVersion() throws Exception {
          String rootPath = "/test-missing-version";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(DLUtils.serializeTransactionId(1L), new LongVersion(1)),
                  new Versioned<byte[]>(null, null));
          processLogMetadatas(uri, logName, logIdentifier, metadatas, false);
      }
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000, expected = UnexpectedException.class)
      public void testProcessLogMetadatasWrongVersion() throws Exception {
          String rootPath = "/test-missing-version";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(DLUtils.serializeTransactionId(1L), new LongVersion(1)),
                  new Versioned<byte[]>(intToBytes(9999), null));
          processLogMetadatas(uri, logName, logIdentifier, metadatas, false);
      }
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000, expected = UnexpectedException.class)
      public void testProcessLogMetadatasMissingLockPath() throws Exception {
          String rootPath = "/test-missing-version";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(DLUtils.serializeTransactionId(1L), new LongVersion(1)),
                  new Versioned<byte[]>(intToBytes(LogMetadata.LAYOUT_VERSION), null),
                  new Versioned<byte[]>(null, null));
          processLogMetadatas(uri, logName, logIdentifier, metadatas, false);
      }
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000, expected = UnexpectedException.class)
      public void testProcessLogMetadatasMissingReadLockPath() throws Exception {
          String rootPath = "/test-missing-version";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(DLUtils.serializeTransactionId(1L), new LongVersion(1)),
                  new Versioned<byte[]>(intToBytes(LogMetadata.LAYOUT_VERSION), null),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  new Versioned<byte[]>(null, null));
          processLogMetadatas(uri, logName, logIdentifier, metadatas, false);
      }
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000, expected = UnexpectedException.class)
      public void testProcessLogMetadatasMissingLogSegmentsPath() throws Exception {
          String rootPath = "/test-missing-version";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(DLUtils.serializeTransactionId(1L), new LongVersion(1)),
                  new Versioned<byte[]>(intToBytes(LogMetadata.LAYOUT_VERSION), null),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  new Versioned<byte[]>(null, null));
          processLogMetadatas(uri, logName, logIdentifier, metadatas, false);
      }
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000, expected = UnexpectedException.class)
      public void testProcessLogMetadatasMissingAllocatorPath() throws Exception {
          String rootPath = "/test-missing-version";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(DLUtils.serializeTransactionId(1L), new LongVersion(1)),
                  new Versioned<byte[]>(intToBytes(LogMetadata.LAYOUT_VERSION), null),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  new Versioned<byte[]>(DLUtils.serializeLogSegmentSequenceNumber(1L), new LongVersion(1)),
                  new Versioned<byte[]>(null, null));
          processLogMetadatas(uri, logName, logIdentifier, metadatas, true);
      }
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000)
      public void testProcessLogMetadatasNoAllocatorPath() throws Exception {
          String rootPath = "/test-missing-version";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          Versioned<byte[]> maxTxnIdData =
                  new Versioned<byte[]>(DLUtils.serializeTransactionId(1L), new LongVersion(1));
          Versioned<byte[]> logSegmentsData =
                  new Versioned<byte[]>(DLUtils.serializeLogSegmentSequenceNumber(1L), new LongVersion(1));
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  maxTxnIdData,
                  new Versioned<byte[]>(intToBytes(LogMetadata.LAYOUT_VERSION), null),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  logSegmentsData);
          LogMetadataForWriter metadata =
                  processLogMetadatas(uri, logName, logIdentifier, metadatas, false);
          assertTrue(maxTxnIdData == metadata.getMaxTxIdData());
          assertTrue(logSegmentsData == metadata.getMaxLSSNData());
          assertNull(metadata.getAllocationData().getValue());
          assertNull(metadata.getAllocationData().getVersion());
      }
  
      @SuppressWarnings("unchecked")
      @Test(timeout = 60000)
      public void testProcessLogMetadatasAllocatorPath() throws Exception {
          String rootPath = "/test-missing-version";
          URI uri = DLMTestUtil.createDLMURI(2181, rootPath);
          String logName = "test-log";
          String logIdentifier = "<default>";
          Versioned<byte[]> maxTxnIdData =
                  new Versioned<byte[]>(DLUtils.serializeTransactionId(1L), new LongVersion(1));
          Versioned<byte[]> logSegmentsData =
                  new Versioned<byte[]>(DLUtils.serializeLogSegmentSequenceNumber(1L), new LongVersion(1));
          Versioned<byte[]> allocationData =
                  new Versioned<byte[]>(DLUtils.logSegmentId2Bytes(1L), new LongVersion(1));
          List<Versioned<byte[]>> metadatas = Lists.newArrayList(
                  new Versioned<byte[]>(null, null),
                  new Versioned<byte[]>(null, null),
                  maxTxnIdData,
                  new Versioned<byte[]>(intToBytes(LogMetadata.LAYOUT_VERSION), null),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  new Versioned<byte[]>(new byte[0], new LongVersion(1)),
                  logSegmentsData,
                  allocationData);
          LogMetadataForWriter metadata =
                  processLogMetadatas(uri, logName, logIdentifier, metadatas, true);
          assertTrue(maxTxnIdData == metadata.getMaxTxIdData());
          assertTrue(logSegmentsData == metadata.getMaxLSSNData());
          assertTrue(allocationData == metadata.getAllocationData());
      }
  
  }
  