001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.namequeues;
019
020import static org.junit.Assert.assertEquals;
021
022import org.apache.hadoop.hbase.HBaseClassTestRule;
023import org.apache.hadoop.hbase.regionserver.wal.WALEventTrackerListener;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.apache.hadoop.hbase.util.Bytes;
026import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
027import org.junit.ClassRule;
028import org.junit.Test;
029import org.junit.experimental.categories.Category;
030
031@Category(SmallTests.class)
032public class TestWALEventTrackerTableAccessor {
033  @ClassRule
034  public static final HBaseClassTestRule CLASS_RULE =
035    HBaseClassTestRule.forClass(TestWALEventTrackerTableAccessor.class);
036
037  /*
038   * Tests that rowkey is getting constructed correctly.
039   */
040  @Test
041  public void testRowKey() {
042    String rsName = "test-region-server";
043    String walName = "test-wal-0";
044    long timeStamp = EnvironmentEdgeManager.currentTime();
045    String walState = WALEventTrackerListener.WalState.ACTIVE.name();
046    long walLength = 100L;
047    WALEventTrackerPayload payload =
048      new WALEventTrackerPayload(rsName, walName, timeStamp, walState, walLength);
049    byte[] rowKeyBytes = WALEventTrackerTableAccessor.getRowKey(payload);
050
051    String rowKeyBytesStr = Bytes.toString(rowKeyBytes);
052    String[] fields = rowKeyBytesStr.split(WALEventTrackerTableAccessor.DELIMITER, -1);
053    // This is the format of rowkey: walName_timestamp_walState;
054    assertEquals(walName, fields[0]);
055    assertEquals(timeStamp, Long.valueOf(fields[1]).longValue());
056    assertEquals(walState, fields[2]);
057  }
058}