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.xerial;
019
020import static org.junit.Assume.assumeTrue;
021
022import org.apache.hadoop.hbase.HBaseClassTestRule;
023import org.apache.hadoop.hbase.io.compress.CompressionTestBase;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.junit.BeforeClass;
026import org.junit.ClassRule;
027import org.junit.Test;
028import org.junit.experimental.categories.Category;
029
030@Category(SmallTests.class)
031public class TestSnappyCodec extends CompressionTestBase {
032
033  @ClassRule
034  public static final HBaseClassTestRule CLASS_RULE =
035    HBaseClassTestRule.forClass(TestSnappyCodec.class);
036
037  @BeforeClass
038  public static void setupClass() throws Exception {
039    assumeTrue(SnappyCodec.isLoaded());
040  }
041
042  @Test
043  public void testSnappyCodecSmall() throws Exception {
044    codecSmallTest(new SnappyCodec());
045  }
046
047  @Test
048  public void testSnappyCodecLarge() throws Exception {
049    codecLargeTest(new SnappyCodec(), 1.1); // poor compressability, expansion with this codec
050    codecLargeTest(new SnappyCodec(), 2);
051    codecLargeTest(new SnappyCodec(), 10); // very high compressability
052  }
053
054  @Test
055  public void testSnappyCodecVeryLarge() throws Exception {
056    codecVeryLargeTest(new SnappyCodec(), 3); // like text
057  }
058
059}