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.io.compress.zstd;
019
020import org.apache.hadoop.conf.Configuration;
021import org.apache.hadoop.fs.CommonConfigurationKeys;
022import org.apache.hadoop.hbase.HBaseConfiguration;
023import org.apache.hadoop.hbase.io.compress.CompressionTestBase;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.junit.jupiter.api.Tag;
026import org.junit.jupiter.api.Test;
027
028@Tag(SmallTests.TAG)
029public class TestZstdCodec extends CompressionTestBase {
030
031  @Test
032  public void testZstdCodecSmall() throws Exception {
033    codecSmallTest(new ZstdCodec());
034  }
035
036  @Test
037  public void testZstdCodecLarge() throws Exception {
038    codecLargeTest(new ZstdCodec(), 1.1); // poor compressability
039    codecLargeTest(new ZstdCodec(), 2);
040    codecLargeTest(new ZstdCodec(), 10); // very high compressability
041  }
042
043  @Test
044  public void testZstdCodecVeryLarge() throws Exception {
045    Configuration conf = HBaseConfiguration.create();
046    // ZStandard levels range from 1 to 22.
047    // Level 22 might take up to a minute to complete. 3 is the Hadoop default, and will be fast.
048    conf.setInt(CommonConfigurationKeys.IO_COMPRESSION_CODEC_ZSTD_LEVEL_KEY, 3);
049    ZstdCodec codec = new ZstdCodec();
050    codec.setConf(conf);
051    codecVeryLargeTest(codec, 3); // like text
052  }
053}