| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hbase.util; |
| |
| import static org.junit.Assert.*; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.io.compress.Compression; |
| import org.apache.hadoop.hbase.testclassification.MiscTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.apache.hadoop.io.DataOutputBuffer; |
| import org.apache.hadoop.io.compress.CompressionCodec; |
| import org.apache.hadoop.io.compress.CompressionOutputStream; |
| import org.apache.hadoop.util.NativeCodeLoader; |
| import org.apache.hadoop.util.ReflectionUtils; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category({MiscTests.class, SmallTests.class}) |
| public class TestCompressionTest { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestCompressionTest.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestCompressionTest.class); |
| |
| @Test |
| public void testExceptionCaching() { |
| // This test will fail if you run the tests with LZO compression available. |
| try { |
| CompressionTest.testCompression(Compression.Algorithm.LZO); |
| fail(); // always throws |
| } catch (IOException e) { |
| // there should be a 'cause'. |
| assertNotNull(e.getCause()); |
| } |
| |
| // this is testing the caching of the test results. |
| try { |
| CompressionTest.testCompression(Compression.Algorithm.LZO); |
| fail(); // always throws |
| } catch (IOException e) { |
| // there should be NO cause because it's a direct exception not wrapped |
| assertNull(e.getCause()); |
| } |
| |
| assertFalse(CompressionTest.testCompression("LZO")); |
| } |
| |
| @Test |
| public void testTestCompression() { |
| assertTrue(CompressionTest.testCompression("NONE")); |
| assertTrue(CompressionTest.testCompression("GZ")); |
| |
| if (NativeCodeLoader.isNativeCodeLoaded()) { |
| nativeCodecTest("LZO", "lzo2", "com.hadoop.compression.lzo.LzoCodec"); |
| nativeCodecTest("LZ4", null, "org.apache.hadoop.io.compress.Lz4Codec"); |
| nativeCodecTest("SNAPPY", "snappy", "org.apache.hadoop.io.compress.SnappyCodec"); |
| nativeCodecTest("BZIP2", "bzip2", "org.apache.hadoop.io.compress.BZip2Codec"); |
| nativeCodecTest("ZSTD", "zstd", "org.apache.hadoop.io.compress.ZStandardCodec"); |
| } else { |
| // Hadoop nativelib is not available |
| LOG.debug("Native code not loaded"); |
| assertFalse(CompressionTest.testCompression("LZO")); |
| assertFalse(CompressionTest.testCompression("LZ4")); |
| assertFalse(CompressionTest.testCompression("SNAPPY")); |
| assertFalse(CompressionTest.testCompression("BZIP2")); |
| assertFalse(CompressionTest.testCompression("ZSTD")); |
| } |
| } |
| |
| private boolean isCompressionAvailable(String codecClassName) { |
| try { |
| Thread.currentThread().getContextClassLoader().loadClass(codecClassName); |
| return true; |
| } catch (Exception ex) { |
| return false; |
| } |
| } |
| |
| /** |
| * Verify CompressionTest.testCompression() on a native codec. |
| */ |
| private void nativeCodecTest(String codecName, String libName, String codecClassName) { |
| if (isCompressionAvailable(codecClassName)) { |
| try { |
| if (libName != null) { |
| System.loadLibrary(libName); |
| } |
| |
| try { |
| Configuration conf = new Configuration(); |
| CompressionCodec codec = (CompressionCodec) |
| ReflectionUtils.newInstance(conf.getClassByName(codecClassName), conf); |
| |
| DataOutputBuffer compressedDataBuffer = new DataOutputBuffer(); |
| CompressionOutputStream deflateFilter = codec.createOutputStream(compressedDataBuffer); |
| |
| byte[] data = new byte[1024]; |
| DataOutputStream deflateOut = new DataOutputStream(new BufferedOutputStream(deflateFilter)); |
| deflateOut.write(data, 0, data.length); |
| deflateOut.flush(); |
| deflateFilter.finish(); |
| |
| // Codec class, codec nativelib and Hadoop nativelib with codec JNIs are present |
| assertTrue(CompressionTest.testCompression(codecName)); |
| } catch (UnsatisfiedLinkError e) { |
| // Hadoop nativelib does not have codec JNIs. |
| // cannot assert the codec here because the current logic of |
| // CompressionTest checks only classloading, not the codec |
| // usage. |
| LOG.debug("No JNI for codec '" + codecName + "' " + e.getMessage()); |
| } catch (Exception e) { |
| LOG.error(codecName, e); |
| } |
| } catch (UnsatisfiedLinkError e) { |
| // nativelib is not available |
| LOG.debug("Native lib not available: " + codecName); |
| assertFalse(CompressionTest.testCompression(codecName)); |
| } |
| } else { |
| // Compression Codec class is not available |
| LOG.debug("Codec class not available: " + codecName); |
| assertFalse(CompressionTest.testCompression(codecName)); |
| } |
| } |
| } |
| |