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   * 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
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  package org.apache.bifromq.basekv.store.wal;
  
  import org.apache.bifromq.basekv.TestUtil;
  import org.apache.bifromq.basekv.localengine.rocksdb.RocksDBWALableKVEngineConfigurator;
  import org.apache.bifromq.basekv.raft.BasicStateStoreTest;
  import org.apache.bifromq.basekv.raft.IRaftStateStore;
  import org.apache.bifromq.basekv.raft.proto.Snapshot;
  import org.apache.bifromq.basekv.utils.KVRangeIdUtil;
  import java.io.IOException;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import org.testng.annotations.AfterMethod;
  import org.testng.annotations.BeforeMethod;
  
  public class KVRangeWALStoreTest extends BasicStateStoreTest {
      private static final String DB_NAME = "testDB";
      private static final String DB_CHECKPOINT_DIR = "testDB_cp";
      private KVRangeWALStorageEngine stateStorageEngine;
      public Path dbRootDir;
  
      @BeforeMethod
      public void setup() throws IOException {
          RocksDBWALableKVEngineConfigurator walConfigurator;
          dbRootDir = Files.createTempDirectory("");
          walConfigurator = RocksDBWALableKVEngineConfigurator.builder()
              .dbRootDir(Paths.get(dbRootDir.toString(), DB_NAME).toString())
              .build();
          stateStorageEngine = new KVRangeWALStorageEngine("testcluster", null, walConfigurator);
          stateStorageEngine.start();
      }
  
      @AfterMethod
      public void teardown() {
          stateStorageEngine.stop();
          if (dbRootDir != null) {
              TestUtil.deleteDir(dbRootDir.toString());
              dbRootDir.toFile().delete();
          }
      }
  
      @Override
      protected String localId() {
          return stateStorageEngine.id();
      }
  
      @Override
      protected IRaftStateStore createStorage(String id, Snapshot snapshot) {
          return stateStorageEngine.create(KVRangeIdUtil.generate(), snapshot);
      }
  }
  