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.client;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021import static org.junit.jupiter.api.Assertions.assertNull;
022
023import org.apache.hadoop.hbase.ServerName;
024import org.apache.hadoop.hbase.client.backoff.ServerStatistics;
025import org.apache.hadoop.hbase.testclassification.ClientTests;
026import org.apache.hadoop.hbase.testclassification.SmallTests;
027import org.junit.jupiter.api.Tag;
028import org.junit.jupiter.api.Test;
029
030@Tag(ClientTests.TAG)
031@Tag(SmallTests.TAG)
032public class TestResultStatsUtil {
033
034  private static final RegionLoadStats regionLoadStats = new RegionLoadStats(100, 10, 90);
035  private static final byte[] regionName = { 80 };
036  private static final ServerName server = ServerName.parseServerName("3.1.yg.n,50,1");
037
038  @Test
039  public void testUpdateStats() {
040    // Create a tracker
041    ServerStatisticTracker serverStatisticTracker = new ServerStatisticTracker();
042
043    // Pass in the tracker for update
044    ResultStatsUtil.updateStats(serverStatisticTracker, server, regionName, regionLoadStats);
045
046    // Check that the tracker was updated as expected
047    ServerStatistics stats = serverStatisticTracker.getStats(server);
048
049    assertEquals(regionLoadStats.memstoreLoad,
050      stats.getStatsForRegion(regionName).getMemStoreLoadPercent());
051    assertEquals(regionLoadStats.compactionPressure,
052      stats.getStatsForRegion(regionName).getCompactionPressure());
053    assertEquals(regionLoadStats.heapOccupancy,
054      stats.getStatsForRegion(regionName).getHeapOccupancyPercent());
055  }
056
057  @Test
058  public void testUpdateStatsRegionNameNull() {
059    ServerStatisticTracker serverStatisticTracker = new ServerStatisticTracker();
060
061    ResultStatsUtil.updateStats(serverStatisticTracker, server, null, regionLoadStats);
062
063    ServerStatistics stats = serverStatisticTracker.getStats(server);
064    assertNull(stats);
065  }
066
067  @Test
068  public void testUpdateStatsStatsNull() {
069    ServerStatisticTracker serverStatisticTracker = new ServerStatisticTracker();
070
071    ResultStatsUtil.updateStats(serverStatisticTracker, server, regionName, null);
072
073    ServerStatistics stats = serverStatisticTracker.getStats(server);
074    assertNull(stats);
075  }
076
077  @Test
078  public void testUpdateStatsTrackerNull() {
079    ServerStatisticTracker serverStatisticTracker = new ServerStatisticTracker();
080
081    ResultStatsUtil.updateStats(null, server, regionName, regionLoadStats);
082
083    ServerStatistics stats = serverStatisticTracker.getStats(server);
084    assertNull(stats);
085  }
086}