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.HBaseClassTestRule;
023import org.apache.hadoop.hbase.HBaseConfiguration;
024import org.apache.hadoop.hbase.io.compress.CompressionTestBase;
025import org.apache.hadoop.hbase.testclassification.SmallTests;
026import org.junit.ClassRule;
027import org.junit.Test;
028import org.junit.experimental.categories.Category;
029
030@Category(SmallTests.class)
031public class TestZstdCodec extends CompressionTestBase {
032
033  @ClassRule
034  public static final HBaseClassTestRule CLASS_RULE =
035    HBaseClassTestRule.forClass(TestZstdCodec.class);
036
037  @Test
038  public void testZstdCodecSmall() throws Exception {
039    codecSmallTest(new ZstdCodec());
040  }
041
042  @Test
043  public void testZstdCodecLarge() throws Exception {
044    codecLargeTest(new ZstdCodec(), 1.1); // poor compressability
045    codecLargeTest(new ZstdCodec(), 2);
046    codecLargeTest(new ZstdCodec(), 10); // very high compressability
047  }
048
049  @Test
050  public void testZstdCodecVeryLarge() throws Exception {
051    Configuration conf = HBaseConfiguration.create();
052    // ZStandard levels range from 1 to 22.
053    // Level 22 might take up to a minute to complete. 3 is the Hadoop default, and will be fast.
054    conf.setInt(CommonConfigurationKeys.IO_COMPRESSION_CODEC_ZSTD_LEVEL_KEY, 3);
055    ZstdCodec codec = new ZstdCodec();
056    codec.setConf(conf);
057    codecVeryLargeTest(codec, 3); // like text
058  }
059
060}