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.encoding;
019
020import java.io.IOException;
021import org.apache.hadoop.hbase.HBaseClassTestRule;
022import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;
023import org.apache.hadoop.hbase.testclassification.MiscTests;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.junit.Before;
026import org.junit.ClassRule;
027import org.junit.Test;
028import org.junit.experimental.categories.Category;
029import org.mockito.Mockito;
030
031/**
032 * Test for EncodedDataBlock
033 */
034@Category({ MiscTests.class, SmallTests.class })
035public class TestEncodedDataBlock {
036
037  @ClassRule
038  public static final HBaseClassTestRule CLASS_RULE =
039    HBaseClassTestRule.forClass(TestEncodedDataBlock.class);
040
041  private Algorithm algo;
042  private static final byte[] INPUT_BYTES = new byte[] { 0, 1, 0, 0, 1, 2, 3, 0, 0, 1, 0, 0, 1, 2,
043    3, 0, 0, 1, 0, 0, 1, 2, 3, 0, 0, 1, 0, 0, 1, 2, 3, 0 };
044
045  @Before
046  public void setUp() throws IOException {
047    algo = Mockito.mock(Algorithm.class);
048  }
049
050  @Test
051  public void testGetCompressedSize() throws Exception {
052    Mockito.when(algo.createCompressionStream(Mockito.any(), Mockito.any(), Mockito.anyInt()))
053      .thenThrow(IOException.class);
054    try {
055      EncodedDataBlock.getCompressedSize(algo, null, INPUT_BYTES, 0, 0);
056      throw new RuntimeException("Should not reach here");
057    } catch (IOException e) {
058      Mockito.verify(algo, Mockito.times(1)).createCompressionStream(Mockito.any(), Mockito.any(),
059        Mockito.anyInt());
060    }
061  }
062
063}