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.xz;
019
020import org.apache.hadoop.conf.Configuration;
021import org.apache.hadoop.hbase.HBaseClassTestRule;
022import org.apache.hadoop.hbase.io.compress.CompressionTestBase;
023import org.apache.hadoop.hbase.testclassification.SmallTests;
024import org.junit.ClassRule;
025import org.junit.Test;
026import org.junit.experimental.categories.Category;
027
028@Category(SmallTests.class)
029public class TestLzmaCodec extends CompressionTestBase {
030
031  @ClassRule
032  public static final HBaseClassTestRule CLASS_RULE =
033    HBaseClassTestRule.forClass(TestLzmaCodec.class);
034
035  @Test
036  public void testLzmaCodecSmall() throws Exception {
037    codecSmallTest(new LzmaCodec());
038  }
039
040  @Test
041  public void testLzmaCodecLarge() throws Exception {
042    codecLargeTest(new LzmaCodec(), 1.1); // poor compressability
043    codecLargeTest(new LzmaCodec(), 2);
044    codecLargeTest(new LzmaCodec(), 10); // very high compressability
045  }
046
047  @Test
048  public void testLzmaCodecVeryLarge() throws Exception {
049    Configuration conf = new Configuration();
050    // LZMA levels range from 1 to 9.
051    // Level 9 might take several minutes to complete. 3 is our default. 1 will be fast.
052    conf.setInt(LzmaCodec.LZMA_LEVEL_KEY, 1);
053    LzmaCodec codec = new LzmaCodec();
054    codec.setConf(conf);
055    codecVeryLargeTest(codec, 3); // like text
056  }
057
058}