/**
 * 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.hadoop.hbase.backup;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.backup.util.BackupUtils;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import com.google.common.collect.Lists;

@Category(MediumTests.class)
public class TestBackupDeleteRestore extends TestBackupBase {

  private static final Log LOG = LogFactory.getLog(TestBackupDeleteRestore.class);

  /**
   * Verify that load data- backup - delete some data - restore works as expected - deleted data get
   * restored.
   * @throws Exception
   */
  @Test
  public void testBackupDeleteRestore() throws Exception {

    LOG.info("test full restore on a single table empty table");

    List<TableName> tables = Lists.newArrayList(table1);
    String backupId = fullTableBackup(tables);
    assertTrue(checkSucceeded(backupId));
    LOG.info("backup complete");
    int numRows = TEST_UTIL.countRows(table1);
    HBaseAdmin hba = TEST_UTIL.getHBaseAdmin();
    // delete row
    try (Table table = TEST_UTIL.getConnection().getTable(table1);) {
      Delete delete = new Delete("row0".getBytes());
      table.delete(delete);
      hba.flush(table1);
    }

    TableName[] tableset = new TableName[] { table1 };
    TableName[] tablemap = null;// new TableName[] { table1_restore };
    BackupAdmin client = getBackupAdmin();
    client.restore(BackupUtils.createRestoreRequest(BACKUP_ROOT_DIR, backupId, false,
      tableset, tablemap, true));

    int numRowsAfterRestore = TEST_UTIL.countRows(table1);
    assertEquals(numRows, numRowsAfterRestore);
    hba.close();
  }
}