Refactor tests for compression codecs
Motivation: Too many duplicated code of tests for different compression codecs. Modifications: - Added abstract classes AbstractCompressionTest, AbstractDecoderTest and AbstractEncoderTest which contains common variables and tests for any compression codec. - Removed common tests which are implemented in AbstractDecoderTest and AbstractEncoderTest from current tests for compression codecs. - Implemented abstract methods of AbstractDecoderTest and AbstractEncoderTest in current tests for compression codecs. - Added additional checks for current tests. - Renamed abstract class IntegrationTest to AbstractIntegrationTest. - Used Theories to run tests with head and direct buffers. - Removed code duplicates. Result: Removed duplicated code of tests for compression codecs and simplified an addition of tests for new compression codecs.
This commit is contained in:
Idel Pivnitskiy
Norman Maurer
parent
30b711cf3d
commit
6928a2d79f
@ -77,7 +77,7 @@
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<scope>test</scope>
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</dependency>
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<!-- Test dependency for Bzip2Decoder -->
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<!-- Test dependency for Bzip2 compression codec -->
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-compress</artifactId>
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@ -0,0 +1,38 @@
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/*
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* Copyright 2015 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.compression;
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import io.netty.util.internal.ThreadLocalRandom;
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public abstract class AbstractCompressionTest {
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protected static final ThreadLocalRandom rand;
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protected static final byte[] BYTES_SMALL = new byte[256];
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protected static final byte[] BYTES_LARGE = new byte[256 * 1024];
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static {
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rand = ThreadLocalRandom.current();
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fillArrayWithCompressibleData(BYTES_SMALL);
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fillArrayWithCompressibleData(BYTES_LARGE);
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}
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private static void fillArrayWithCompressibleData(byte[] array) {
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for (int i = 0; i < array.length; i++) {
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array[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
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}
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}
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}
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@ -0,0 +1,148 @@
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/*
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* Copyright 2014 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.compression;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.CompositeByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.embedded.EmbeddedChannel;
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import org.junit.Before;
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import org.junit.Rule;
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import org.junit.experimental.theories.DataPoints;
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import org.junit.experimental.theories.FromDataPoints;
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import org.junit.experimental.theories.Theories;
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import org.junit.experimental.theories.Theory;
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import org.junit.rules.ExpectedException;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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@RunWith(Theories.class)
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public abstract class AbstractDecoderTest extends AbstractCompressionTest {
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protected static final ByteBuf WRAPPED_BYTES_SMALL;
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protected static final ByteBuf WRAPPED_BYTES_LARGE;
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static {
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WRAPPED_BYTES_SMALL = Unpooled.wrappedBuffer(BYTES_SMALL);
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WRAPPED_BYTES_LARGE = Unpooled.wrappedBuffer(BYTES_LARGE);
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}
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@Rule
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public final ExpectedException expected = ExpectedException.none();
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protected EmbeddedChannel channel;
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protected static byte[] compressedBytesSmall;
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protected static byte[] compressedBytesLarge;
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protected AbstractDecoderTest() throws Exception {
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compressedBytesSmall = compress(BYTES_SMALL);
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compressedBytesLarge = compress(BYTES_LARGE);
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}
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/**
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* Compresses data with some external library.
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*/
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protected abstract byte[] compress(byte[] data) throws Exception;
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@Before
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public abstract void initChannel();
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@DataPoints("smallData")
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public static ByteBuf[] smallData() {
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ByteBuf heap = Unpooled.wrappedBuffer(compressedBytesSmall);
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ByteBuf direct = Unpooled.directBuffer(compressedBytesSmall.length);
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direct.writeBytes(compressedBytesSmall);
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return new ByteBuf[] {heap, direct};
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}
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@DataPoints("largeData")
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public static ByteBuf[] largeData() {
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ByteBuf heap = Unpooled.wrappedBuffer(compressedBytesLarge);
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ByteBuf direct = Unpooled.directBuffer(compressedBytesLarge.length);
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direct.writeBytes(compressedBytesLarge);
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return new ByteBuf[] {heap, direct};
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}
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@Theory
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public void testDecompressionOfSmallChunkOfData(@FromDataPoints("smallData") ByteBuf data) throws Exception {
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testDecompression(WRAPPED_BYTES_SMALL, data);
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}
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@Theory
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public void testDecompressionOfLargeChunkOfData(@FromDataPoints("largeData") ByteBuf data) throws Exception {
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testDecompression(WRAPPED_BYTES_LARGE, data);
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}
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@Theory
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public void testDecompressionOfBatchedFlowOfData(@FromDataPoints("largeData") ByteBuf data) throws Exception {
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testDecompressionOfBatchedFlow(WRAPPED_BYTES_LARGE, data);
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}
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protected void testDecompression(final ByteBuf expected, final ByteBuf data) throws Exception {
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assertTrue(channel.writeInbound(data));
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ByteBuf decompressed = readDecompressed(channel);
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assertEquals(expected, decompressed);
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decompressed.release();
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}
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protected void testDecompressionOfBatchedFlow(final ByteBuf expected, final ByteBuf data) throws Exception {
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final int compressedLength = data.readableBytes();
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int written = 0, length = rand.nextInt(100);
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while (written + length < compressedLength) {
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ByteBuf compressedBuf = data.slice(written, length);
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channel.writeInbound(compressedBuf.retain());
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written += length;
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length = rand.nextInt(100);
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}
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ByteBuf compressedBuf = data.slice(written, compressedLength - written);
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assertTrue(channel.writeInbound(compressedBuf.retain()));
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ByteBuf decompressedBuf = readDecompressed(channel);
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assertEquals(expected, decompressedBuf);
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decompressedBuf.release();
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data.release();
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}
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protected static ByteBuf readDecompressed(final EmbeddedChannel channel) {
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CompositeByteBuf decompressed = Unpooled.compositeBuffer();
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ByteBuf msg;
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while ((msg = channel.readInbound()) != null) {
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decompressed.addComponent(msg);
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decompressed.writerIndex(decompressed.writerIndex() + msg.readableBytes());
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}
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return decompressed;
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}
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protected static void tryDecodeAndCatchBufLeaks(final EmbeddedChannel channel, final ByteBuf data) {
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try {
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channel.writeInbound(data);
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} finally {
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for (;;) {
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ByteBuf inflated = channel.readInbound();
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if (inflated == null) {
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break;
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}
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inflated.release();
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}
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channel.finish();
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}
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}
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}
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@ -0,0 +1,118 @@
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/*
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* Copyright 2014 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.compression;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.CompositeByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.embedded.EmbeddedChannel;
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import org.junit.Before;
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import org.junit.experimental.theories.DataPoints;
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import org.junit.experimental.theories.FromDataPoints;
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import org.junit.experimental.theories.Theories;
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import org.junit.experimental.theories.Theory;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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@RunWith(Theories.class)
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public abstract class AbstractEncoderTest extends AbstractCompressionTest {
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protected EmbeddedChannel channel;
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/**
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* Decompresses data with some external library.
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*/
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protected abstract ByteBuf decompress(ByteBuf compressed, int originalLength) throws Exception;
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@Before
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public abstract void initChannel();
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@DataPoints("smallData")
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public static ByteBuf[] smallData() {
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ByteBuf heap = Unpooled.wrappedBuffer(BYTES_SMALL);
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ByteBuf direct = Unpooled.directBuffer(BYTES_SMALL.length);
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direct.writeBytes(BYTES_SMALL);
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return new ByteBuf[] {heap, direct};
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}
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@DataPoints("largeData")
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public static ByteBuf[] largeData() {
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ByteBuf heap = Unpooled.wrappedBuffer(BYTES_LARGE);
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ByteBuf direct = Unpooled.directBuffer(BYTES_LARGE.length);
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direct.writeBytes(BYTES_LARGE);
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return new ByteBuf[] {heap, direct};
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}
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@Theory
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public void testCompressionOfSmallChunkOfData(@FromDataPoints("smallData") ByteBuf data) throws Exception {
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testCompression(data);
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}
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@Theory
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public void testCompressionOfLargeChunkOfData(@FromDataPoints("largeData") ByteBuf data) throws Exception {
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testCompression(data);
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}
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@Theory
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public void testCompressionOfBatchedFlowOfData(@FromDataPoints("largeData") ByteBuf data) throws Exception {
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testCompressionOfBatchedFlow(data);
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}
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protected void testCompression(final ByteBuf data) throws Exception {
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final int dataLength = data.readableBytes();
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assertTrue(channel.writeOutbound(data.retain()));
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assertTrue(channel.finish());
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ByteBuf decompressed = readDecompressed(dataLength);
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assertEquals(data.resetReaderIndex(), decompressed);
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decompressed.release();
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data.release();
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}
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protected void testCompressionOfBatchedFlow(final ByteBuf data) throws Exception {
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final int dataLength = data.readableBytes();
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int written = 0, length = rand.nextInt(100);
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while (written + length < dataLength) {
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ByteBuf in = data.slice(written, length);
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assertTrue(channel.writeOutbound(in.retain()));
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written += length;
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length = rand.nextInt(100);
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}
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ByteBuf in = data.slice(written, dataLength - written);
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assertTrue(channel.writeOutbound(in.retain()));
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assertTrue(channel.finish());
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ByteBuf decompressed = readDecompressed(dataLength);
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assertEquals(data, decompressed);
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decompressed.release();
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data.release();
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}
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protected ByteBuf readDecompressed(final int dataLength) throws Exception {
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CompositeByteBuf compressed = Unpooled.compositeBuffer();
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ByteBuf msg;
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while ((msg = channel.readOutbound()) != null) {
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compressed.addComponent(msg);
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compressed.writerIndex(compressed.writerIndex() + msg.readableBytes());
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}
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ByteBuf decompressed = decompress(compressed, dataLength);
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compressed.release();
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return decompressed;
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}
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}
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@ -23,6 +23,8 @@ import io.netty.util.CharsetUtil;
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import io.netty.util.ReferenceCountUtil;
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import io.netty.util.internal.EmptyArrays;
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import io.netty.util.internal.ThreadLocalRandom;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import java.util.Arrays;
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@ -30,12 +32,42 @@ import java.util.Arrays;
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import static org.hamcrest.Matchers.*;
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import static org.junit.Assert.*;
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public abstract class IntegrationTest {
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public abstract class AbstractIntegrationTest {
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protected static final ThreadLocalRandom rand = ThreadLocalRandom.current();
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protected abstract EmbeddedChannel createEncoderEmbeddedChannel();
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protected abstract EmbeddedChannel createDecoderEmbeddedChannel();
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protected EmbeddedChannel encoder;
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protected EmbeddedChannel decoder;
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protected abstract EmbeddedChannel createEncoder();
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protected abstract EmbeddedChannel createDecoder();
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@Before
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public void initChannels() throws Exception {
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encoder = createEncoder();
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decoder = createDecoder();
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}
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@After
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public void closeChannels() throws Exception {
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encoder.close();
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for (;;) {
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Object msg = encoder.readOutbound();
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if (msg == null) {
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break;
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}
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ReferenceCountUtil.release(msg);
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}
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decoder.close();
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for (;;) {
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Object msg = decoder.readInbound();
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if (msg == null) {
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break;
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}
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ReferenceCountUtil.release(msg);
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}
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}
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@Test
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public void testEmpty() throws Exception {
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@ -112,51 +144,28 @@ public abstract class IntegrationTest {
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protected void testIdentity(final byte[] data) {
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final ByteBuf in = Unpooled.wrappedBuffer(data);
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final EmbeddedChannel encoder = createEncoderEmbeddedChannel();
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final EmbeddedChannel decoder = createDecoderEmbeddedChannel();
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try {
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ByteBuf msg;
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assertTrue(encoder.writeOutbound(in.retain()));
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assertTrue(encoder.finish());
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encoder.writeOutbound(in.copy());
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encoder.finish();
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final CompositeByteBuf compressed = Unpooled.compositeBuffer();
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while ((msg = encoder.readOutbound()) != null) {
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compressed.addComponent(msg);
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compressed.writerIndex(compressed.writerIndex() + msg.readableBytes());
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}
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assertThat(compressed, is(notNullValue()));
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decoder.writeInbound(compressed.retain());
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assertFalse(compressed.isReadable());
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final CompositeByteBuf decompressed = Unpooled.compositeBuffer();
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while ((msg = decoder.readInbound()) != null) {
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decompressed.addComponent(msg);
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decompressed.writerIndex(decompressed.writerIndex() + msg.readableBytes());
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}
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assertEquals(in, decompressed);
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compressed.release();
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decompressed.release();
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in.release();
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} finally {
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encoder.close();
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decoder.close();
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for (;;) {
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Object msg = encoder.readOutbound();
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if (msg == null) {
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break;
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}
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ReferenceCountUtil.release(msg);
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}
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for (;;) {
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Object msg = decoder.readInbound();
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if (msg == null) {
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break;
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}
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ReferenceCountUtil.release(msg);
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}
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final CompositeByteBuf compressed = Unpooled.compositeBuffer();
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ByteBuf msg;
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while ((msg = encoder.readOutbound()) != null) {
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compressed.addComponent(msg);
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compressed.writerIndex(compressed.writerIndex() + msg.readableBytes());
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}
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assertThat(compressed, is(notNullValue()));
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decoder.writeInbound(compressed.retain());
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assertFalse(compressed.isReadable());
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final CompositeByteBuf decompressed = Unpooled.compositeBuffer();
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while ((msg = decoder.readInbound()) != null) {
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decompressed.addComponent(msg);
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decompressed.writerIndex(decompressed.writerIndex() + msg.readableBytes());
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}
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assertEquals(in.resetReaderIndex(), decompressed);
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compressed.release();
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decompressed.release();
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in.release();
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}
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}
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@ -16,23 +16,17 @@
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package io.netty.handler.codec.compression;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.CompositeByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.embedded.EmbeddedChannel;
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import io.netty.util.internal.ThreadLocalRandom;
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import org.apache.commons.compress.compressors.bzip2.BZip2CompressorOutputStream;
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import org.junit.Before;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.ExpectedException;
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import java.io.ByteArrayOutputStream;
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import java.util.Arrays;
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import static io.netty.handler.codec.compression.Bzip2Constants.*;
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import static org.junit.Assert.*;
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public class Bzip2DecoderTest {
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public class Bzip2DecoderTest extends AbstractDecoderTest {
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private static final byte[] DATA = { 0x42, 0x5A, 0x68, 0x37, 0x31, 0x41, 0x59, 0x26, 0x53,
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0x59, 0x77, 0x7B, (byte) 0xCA, (byte) 0xC0, 0x00, 0x00,
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@ -41,23 +35,10 @@ public class Bzip2DecoderTest {
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(byte) 0x89, (byte) 0x99, (byte) 0xC5, (byte) 0xDC, (byte) 0x91,
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0x4E, 0x14, 0x24, 0x1D, (byte) 0xDE, (byte) 0xF2, (byte) 0xB0, 0x00 };
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private static final ThreadLocalRandom rand;
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private static final byte[] BYTES_SMALL = new byte[256];
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||||
private static final byte[] BYTES_LARGE = new byte[MAX_BLOCK_SIZE * BASE_BLOCK_SIZE + 256];
|
||||
|
||||
static {
|
||||
rand = ThreadLocalRandom.current();
|
||||
rand.nextBytes(BYTES_SMALL);
|
||||
rand.nextBytes(BYTES_LARGE);
|
||||
public Bzip2DecoderTest() throws Exception {
|
||||
}
|
||||
|
||||
@Rule
|
||||
public ExpectedException expected = ExpectedException.none();
|
||||
|
||||
private EmbeddedChannel channel;
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void initChannel() {
|
||||
channel = new EmbeddedChannel(new Bzip2Decoder());
|
||||
}
|
||||
@ -123,19 +104,7 @@ public class Bzip2DecoderTest {
|
||||
final byte[] data = Arrays.copyOf(DATA, DATA.length);
|
||||
data[41] = (byte) 0xDD;
|
||||
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data);
|
||||
try {
|
||||
channel.writeInbound(in);
|
||||
} finally {
|
||||
for (;;) {
|
||||
ByteBuf inflated = channel.readInbound();
|
||||
if (inflated == null) {
|
||||
break;
|
||||
}
|
||||
inflated.release();
|
||||
}
|
||||
channel.finish();
|
||||
}
|
||||
tryDecodeAndCatchBufLeaks(channel, Unpooled.wrappedBuffer(data));
|
||||
}
|
||||
|
||||
@Test
|
||||
@ -186,75 +155,13 @@ public class Bzip2DecoderTest {
|
||||
channel.writeInbound(in);
|
||||
}
|
||||
|
||||
private static void testDecompression(final EmbeddedChannel channel, final byte[] data) throws Exception {
|
||||
@Override
|
||||
protected byte[] compress(byte[] data) throws Exception {
|
||||
ByteArrayOutputStream os = new ByteArrayOutputStream();
|
||||
BZip2CompressorOutputStream bZip2Os = new BZip2CompressorOutputStream(os, randomBlockSize());
|
||||
BZip2CompressorOutputStream bZip2Os = new BZip2CompressorOutputStream(os, MIN_BLOCK_SIZE);
|
||||
bZip2Os.write(data);
|
||||
bZip2Os.close();
|
||||
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(os.toByteArray());
|
||||
channel.writeInbound(compressed);
|
||||
|
||||
ByteBuf uncompressed = readUncompressed(channel);
|
||||
ByteBuf dataBuf = Unpooled.wrappedBuffer(data);
|
||||
|
||||
assertEquals(dataBuf, uncompressed);
|
||||
|
||||
uncompressed.release();
|
||||
dataBuf.release();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfSmallChunkOfData() throws Exception {
|
||||
testDecompression(channel, BYTES_SMALL);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfLargeChunkOfData() throws Exception {
|
||||
testDecompression(channel, BYTES_LARGE);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfBatchedFlowOfData() throws Exception {
|
||||
final byte[] data = BYTES_LARGE;
|
||||
|
||||
ByteArrayOutputStream os = new ByteArrayOutputStream();
|
||||
BZip2CompressorOutputStream bZip2Os = new BZip2CompressorOutputStream(os, randomBlockSize());
|
||||
bZip2Os.write(data);
|
||||
bZip2Os.close();
|
||||
|
||||
final byte[] compressedArray = os.toByteArray();
|
||||
int written = 0, length = rand.nextInt(100);
|
||||
while (written + length < compressedArray.length) {
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(compressedArray, written, length);
|
||||
channel.writeInbound(compressed);
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
}
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(compressedArray, written, compressedArray.length - written);
|
||||
channel.writeInbound(compressed);
|
||||
|
||||
ByteBuf uncompressed = readUncompressed(channel);
|
||||
ByteBuf dataBuf = Unpooled.wrappedBuffer(data);
|
||||
|
||||
assertEquals(dataBuf, uncompressed);
|
||||
|
||||
uncompressed.release();
|
||||
dataBuf.release();
|
||||
}
|
||||
|
||||
private static ByteBuf readUncompressed(EmbeddedChannel channel) throws Exception {
|
||||
CompositeByteBuf uncompressed = Unpooled.compositeBuffer();
|
||||
ByteBuf msg;
|
||||
while ((msg = channel.readInbound()) != null) {
|
||||
uncompressed.addComponent(msg);
|
||||
uncompressed.writerIndex(uncompressed.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
|
||||
return uncompressed;
|
||||
}
|
||||
|
||||
private static int randomBlockSize() {
|
||||
return rand.nextInt(MIN_BLOCK_SIZE, MAX_BLOCK_SIZE + 1);
|
||||
return os.toByteArray();
|
||||
}
|
||||
}
|
||||
|
||||
@ -16,110 +16,41 @@
|
||||
package io.netty.handler.codec.compression;
|
||||
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.CompositeByteBuf;
|
||||
import io.netty.buffer.ByteBufInputStream;
|
||||
import io.netty.buffer.Unpooled;
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
import io.netty.util.internal.ThreadLocalRandom;
|
||||
import org.apache.commons.compress.compressors.bzip2.BZip2CompressorInputStream;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.InputStream;
|
||||
|
||||
import static io.netty.handler.codec.compression.Bzip2Constants.*;
|
||||
import static org.junit.Assert.*;
|
||||
|
||||
public class Bzip2EncoderTest {
|
||||
public class Bzip2EncoderTest extends AbstractEncoderTest {
|
||||
|
||||
private static final ThreadLocalRandom rand;
|
||||
|
||||
private static final byte[] BYTES_SMALL = new byte[256];
|
||||
private static final byte[] BYTES_LARGE = new byte[MAX_BLOCK_SIZE * BASE_BLOCK_SIZE + 256];
|
||||
|
||||
static {
|
||||
rand = ThreadLocalRandom.current();
|
||||
rand.nextBytes(BYTES_SMALL);
|
||||
rand.nextBytes(BYTES_LARGE);
|
||||
}
|
||||
|
||||
private EmbeddedChannel channel;
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void initChannel() {
|
||||
channel = new EmbeddedChannel(new Bzip2Encoder(randomBlockSize()));
|
||||
channel = new EmbeddedChannel(new Bzip2Encoder(MIN_BLOCK_SIZE));
|
||||
}
|
||||
|
||||
private static void testCompression(final EmbeddedChannel channel, final byte[] data) throws Exception {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data);
|
||||
channel.writeOutbound(in);
|
||||
channel.finish();
|
||||
@Override
|
||||
protected ByteBuf decompress(ByteBuf compressed, int originalLength) throws Exception {
|
||||
InputStream is = new ByteBufInputStream(compressed);
|
||||
BZip2CompressorInputStream bzip2Is = new BZip2CompressorInputStream(is);
|
||||
|
||||
byte[] uncompressed = uncompress(channel, data.length);
|
||||
|
||||
assertArrayEquals(data, uncompressed);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfSmallChunkOfData() throws Exception {
|
||||
testCompression(channel, BYTES_SMALL);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfLargeChunkOfData() throws Exception {
|
||||
testCompression(channel, BYTES_LARGE);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfBatchedFlowOfData() throws Exception {
|
||||
final byte[] data = BYTES_LARGE;
|
||||
|
||||
int written = 0, length = rand.nextInt(100);
|
||||
while (written + length < data.length) {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, length);
|
||||
channel.writeOutbound(in);
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
}
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, data.length - written);
|
||||
channel.writeOutbound(in);
|
||||
channel.finish();
|
||||
|
||||
byte[] uncompressed = uncompress(channel, data.length);
|
||||
|
||||
assertArrayEquals(data, uncompressed);
|
||||
}
|
||||
|
||||
private static byte[] uncompress(EmbeddedChannel channel, int length) throws Exception {
|
||||
CompositeByteBuf out = Unpooled.compositeBuffer();
|
||||
ByteBuf msg;
|
||||
while ((msg = channel.readOutbound()) != null) {
|
||||
out.addComponent(msg);
|
||||
out.writerIndex(out.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
|
||||
byte[] compressed = new byte[out.readableBytes()];
|
||||
out.readBytes(compressed);
|
||||
out.release();
|
||||
|
||||
ByteArrayInputStream is = new ByteArrayInputStream(compressed);
|
||||
BZip2CompressorInputStream bZip2Is = new BZip2CompressorInputStream(is);
|
||||
byte[] uncompressed = new byte[length];
|
||||
int remaining = length;
|
||||
byte[] decompressed = new byte[originalLength];
|
||||
int remaining = originalLength;
|
||||
while (remaining > 0) {
|
||||
int read = bZip2Is.read(uncompressed, length - remaining, remaining);
|
||||
int read = bzip2Is.read(decompressed, originalLength - remaining, remaining);
|
||||
if (read > 0) {
|
||||
remaining -= read;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
assertEquals(-1, bzip2Is.read());
|
||||
bzip2Is.close();
|
||||
|
||||
assertEquals(-1, bZip2Is.read());
|
||||
|
||||
return uncompressed;
|
||||
}
|
||||
|
||||
private static int randomBlockSize() {
|
||||
return rand.nextInt(MIN_BLOCK_SIZE, MAX_BLOCK_SIZE + 1);
|
||||
return Unpooled.wrappedBuffer(decompressed);
|
||||
}
|
||||
}
|
||||
|
||||
@ -18,15 +18,15 @@ package io.netty.handler.codec.compression;
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
import org.junit.Test;
|
||||
|
||||
public class Bzip2IntegrationTest extends IntegrationTest {
|
||||
public class Bzip2IntegrationTest extends AbstractIntegrationTest {
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createEncoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createEncoder() {
|
||||
return new EmbeddedChannel(new Bzip2Encoder());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createDecoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createDecoder() {
|
||||
return new EmbeddedChannel(new Bzip2Decoder());
|
||||
}
|
||||
|
||||
|
||||
@ -19,118 +19,94 @@ import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.CompositeByteBuf;
|
||||
import io.netty.buffer.Unpooled;
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
import io.netty.util.ReferenceCountUtil;
|
||||
|
||||
import static org.hamcrest.Matchers.*;
|
||||
import static org.junit.Assert.*;
|
||||
|
||||
public class FastLzIntegrationTest extends IntegrationTest {
|
||||
public class FastLzIntegrationTest extends AbstractIntegrationTest {
|
||||
|
||||
public static class TestWithChecksum extends IntegrationTest {
|
||||
public static class TestWithChecksum extends AbstractIntegrationTest {
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createEncoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createEncoder() {
|
||||
return new EmbeddedChannel(new FastLzFrameEncoder(true));
|
||||
}
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createDecoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createDecoder() {
|
||||
return new EmbeddedChannel(new FastLzFrameDecoder(true));
|
||||
}
|
||||
}
|
||||
|
||||
public static class TestRandomChecksum extends IntegrationTest {
|
||||
public static class TestRandomChecksum extends AbstractIntegrationTest {
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createEncoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createEncoder() {
|
||||
return new EmbeddedChannel(new FastLzFrameEncoder(rand.nextBoolean()));
|
||||
}
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createDecoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createDecoder() {
|
||||
return new EmbeddedChannel(new FastLzFrameDecoder(rand.nextBoolean()));
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createEncoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createEncoder() {
|
||||
return new EmbeddedChannel(new FastLzFrameEncoder(rand.nextBoolean()));
|
||||
}
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createDecoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createDecoder() {
|
||||
return new EmbeddedChannel(new FastLzFrameDecoder(rand.nextBoolean()));
|
||||
}
|
||||
|
||||
@Override // test batched flow of data
|
||||
protected void testIdentity(final byte[] data) {
|
||||
final ByteBuf original = Unpooled.wrappedBuffer(data);
|
||||
final EmbeddedChannel encoder = createEncoderEmbeddedChannel();
|
||||
final EmbeddedChannel decoder = createDecoderEmbeddedChannel();
|
||||
|
||||
try {
|
||||
int written = 0, length = rand.nextInt(100);
|
||||
while (written + length < data.length) {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, length);
|
||||
encoder.writeOutbound(in);
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
}
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, data.length - written);
|
||||
int written = 0, length = rand.nextInt(100);
|
||||
while (written + length < data.length) {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, length);
|
||||
encoder.writeOutbound(in);
|
||||
encoder.finish();
|
||||
|
||||
ByteBuf msg;
|
||||
final CompositeByteBuf compressed = Unpooled.compositeBuffer();
|
||||
while ((msg = encoder.readOutbound()) != null) {
|
||||
compressed.addComponent(msg);
|
||||
compressed.writerIndex(compressed.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
assertThat(compressed, is(notNullValue()));
|
||||
|
||||
final byte[] compressedArray = new byte[compressed.readableBytes()];
|
||||
compressed.readBytes(compressedArray);
|
||||
written = 0;
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
while (written + length < compressedArray.length) {
|
||||
in = Unpooled.wrappedBuffer(compressedArray, written, length);
|
||||
decoder.writeInbound(in);
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
}
|
||||
in = Unpooled.wrappedBuffer(compressedArray, written, compressedArray.length - written);
|
||||
decoder.writeInbound(in);
|
||||
|
||||
assertFalse(compressed.isReadable());
|
||||
final CompositeByteBuf decompressed = Unpooled.compositeBuffer();
|
||||
while ((msg = decoder.readInbound()) != null) {
|
||||
decompressed.addComponent(msg);
|
||||
decompressed.writerIndex(decompressed.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
assertEquals(original, decompressed);
|
||||
|
||||
compressed.release();
|
||||
decompressed.release();
|
||||
original.release();
|
||||
} finally {
|
||||
encoder.close();
|
||||
decoder.close();
|
||||
|
||||
for (;;) {
|
||||
Object msg = encoder.readOutbound();
|
||||
if (msg == null) {
|
||||
break;
|
||||
}
|
||||
ReferenceCountUtil.release(msg);
|
||||
}
|
||||
|
||||
for (;;) {
|
||||
Object msg = decoder.readInbound();
|
||||
if (msg == null) {
|
||||
break;
|
||||
}
|
||||
ReferenceCountUtil.release(msg);
|
||||
}
|
||||
}
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, data.length - written);
|
||||
encoder.writeOutbound(in);
|
||||
encoder.finish();
|
||||
|
||||
ByteBuf msg;
|
||||
final CompositeByteBuf compressed = Unpooled.compositeBuffer();
|
||||
while ((msg = encoder.readOutbound()) != null) {
|
||||
compressed.addComponent(msg);
|
||||
compressed.writerIndex(compressed.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
assertThat(compressed, is(notNullValue()));
|
||||
|
||||
final byte[] compressedArray = new byte[compressed.readableBytes()];
|
||||
compressed.readBytes(compressedArray);
|
||||
written = 0;
|
||||
length = rand.nextInt(100);
|
||||
while (written + length < compressedArray.length) {
|
||||
in = Unpooled.wrappedBuffer(compressedArray, written, length);
|
||||
decoder.writeInbound(in);
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
}
|
||||
in = Unpooled.wrappedBuffer(compressedArray, written, compressedArray.length - written);
|
||||
decoder.writeInbound(in);
|
||||
|
||||
assertFalse(compressed.isReadable());
|
||||
final CompositeByteBuf decompressed = Unpooled.compositeBuffer();
|
||||
while ((msg = decoder.readInbound()) != null) {
|
||||
decompressed.addComponent(msg);
|
||||
decompressed.writerIndex(decompressed.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
assertEquals(original, decompressed);
|
||||
|
||||
compressed.release();
|
||||
decompressed.release();
|
||||
original.release();
|
||||
}
|
||||
}
|
||||
|
||||
@ -16,23 +16,17 @@
|
||||
package io.netty.handler.codec.compression;
|
||||
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.CompositeByteBuf;
|
||||
import io.netty.buffer.Unpooled;
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
import io.netty.util.internal.ThreadLocalRandom;
|
||||
import net.jpountz.lz4.LZ4BlockOutputStream;
|
||||
import org.junit.Before;
|
||||
import org.junit.Rule;
|
||||
import org.junit.Test;
|
||||
import org.junit.rules.ExpectedException;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.util.Arrays;
|
||||
|
||||
import static io.netty.handler.codec.compression.Lz4Constants.*;
|
||||
import static org.junit.Assert.*;
|
||||
|
||||
public class Lz4FrameDecoderTest {
|
||||
public class Lz4FrameDecoderTest extends AbstractDecoderTest {
|
||||
|
||||
private static final byte[] DATA = { 0x4C, 0x5A, 0x34, 0x42, 0x6C, 0x6F, 0x63, 0x6B, // magic bytes
|
||||
0x16, // token
|
||||
@ -44,28 +38,10 @@ public class Lz4FrameDecoderTest {
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // last empty block
|
||||
0x00, 0x00, 0x00, 0x00 };
|
||||
|
||||
private static final ThreadLocalRandom rand;
|
||||
|
||||
private static final byte[] BYTES_SMALL = new byte[256];
|
||||
private static final byte[] BYTES_LARGE = new byte[256000];
|
||||
|
||||
static {
|
||||
rand = ThreadLocalRandom.current();
|
||||
//fill arrays with compressible data
|
||||
for (int i = 0; i < BYTES_SMALL.length; i++) {
|
||||
BYTES_SMALL[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
|
||||
}
|
||||
for (int i = 0; i < BYTES_LARGE.length; i++) {
|
||||
BYTES_LARGE[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
|
||||
}
|
||||
public Lz4FrameDecoderTest() throws Exception {
|
||||
}
|
||||
|
||||
@Rule
|
||||
public ExpectedException expected = ExpectedException.none();
|
||||
|
||||
private EmbeddedChannel channel;
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void initChannel() {
|
||||
channel = new EmbeddedChannel(new Lz4FrameDecoder(true));
|
||||
}
|
||||
@ -150,90 +126,17 @@ public class Lz4FrameDecoderTest {
|
||||
final byte[] data = Arrays.copyOf(DATA, DATA.length);
|
||||
data[44] = 0x01;
|
||||
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data);
|
||||
try {
|
||||
channel.writeInbound(in);
|
||||
} finally {
|
||||
for (;;) {
|
||||
ByteBuf inflated = channel.readInbound();
|
||||
if (inflated == null) {
|
||||
break;
|
||||
}
|
||||
inflated.release();
|
||||
}
|
||||
channel.finish();
|
||||
}
|
||||
tryDecodeAndCatchBufLeaks(channel, Unpooled.wrappedBuffer(data));
|
||||
}
|
||||
|
||||
private static void testDecompression(final EmbeddedChannel channel, final byte[] data) throws Exception {
|
||||
@Override
|
||||
protected byte[] compress(byte[] data) throws Exception {
|
||||
ByteArrayOutputStream os = new ByteArrayOutputStream();
|
||||
LZ4BlockOutputStream lz4Os = new LZ4BlockOutputStream(os, randomBlockSize());
|
||||
LZ4BlockOutputStream lz4Os = new LZ4BlockOutputStream(os,
|
||||
rand.nextInt(MIN_BLOCK_SIZE, MAX_BLOCK_SIZE + 1));
|
||||
lz4Os.write(data);
|
||||
lz4Os.close();
|
||||
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(os.toByteArray());
|
||||
channel.writeInbound(compressed);
|
||||
|
||||
ByteBuf uncompressed = readUncompressed(channel);
|
||||
ByteBuf dataBuf = Unpooled.wrappedBuffer(data);
|
||||
|
||||
assertEquals(dataBuf, uncompressed);
|
||||
|
||||
uncompressed.release();
|
||||
dataBuf.release();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfSmallChunkOfData() throws Exception {
|
||||
testDecompression(channel, BYTES_SMALL);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfLargeChunkOfData() throws Exception {
|
||||
testDecompression(channel, BYTES_LARGE);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfBatchedFlowOfData() throws Exception {
|
||||
final byte[] data = BYTES_LARGE;
|
||||
|
||||
ByteArrayOutputStream os = new ByteArrayOutputStream();
|
||||
LZ4BlockOutputStream lz4Os = new LZ4BlockOutputStream(os, randomBlockSize());
|
||||
lz4Os.write(data);
|
||||
lz4Os.close();
|
||||
|
||||
final byte[] compressedArray = os.toByteArray();
|
||||
int written = 0, length = rand.nextInt(100);
|
||||
while (written + length < compressedArray.length) {
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(compressedArray, written, length);
|
||||
channel.writeInbound(compressed);
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
}
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(compressedArray, written, compressedArray.length - written);
|
||||
channel.writeInbound(compressed);
|
||||
|
||||
ByteBuf uncompressed = readUncompressed(channel);
|
||||
ByteBuf dataBuf = Unpooled.wrappedBuffer(data);
|
||||
|
||||
assertEquals(dataBuf, uncompressed);
|
||||
|
||||
uncompressed.release();
|
||||
dataBuf.release();
|
||||
}
|
||||
|
||||
private static ByteBuf readUncompressed(EmbeddedChannel channel) throws Exception {
|
||||
CompositeByteBuf uncompressed = Unpooled.compositeBuffer();
|
||||
ByteBuf msg;
|
||||
while ((msg = channel.readInbound()) != null) {
|
||||
uncompressed.addComponent(msg);
|
||||
uncompressed.writerIndex(uncompressed.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
|
||||
return uncompressed;
|
||||
}
|
||||
|
||||
private static int randomBlockSize() {
|
||||
return rand.nextInt(MIN_BLOCK_SIZE, MAX_BLOCK_SIZE + 1);
|
||||
return os.toByteArray();
|
||||
}
|
||||
}
|
||||
|
||||
@ -16,108 +16,40 @@
|
||||
package io.netty.handler.codec.compression;
|
||||
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.CompositeByteBuf;
|
||||
import io.netty.buffer.ByteBufInputStream;
|
||||
import io.netty.buffer.Unpooled;
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
import io.netty.util.internal.ThreadLocalRandom;
|
||||
import net.jpountz.lz4.LZ4BlockInputStream;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.InputStream;
|
||||
|
||||
import static org.junit.Assert.*;
|
||||
|
||||
public class Lz4FrameEncoderTest {
|
||||
public class Lz4FrameEncoderTest extends AbstractEncoderTest {
|
||||
|
||||
private static final ThreadLocalRandom rand;
|
||||
|
||||
private static final byte[] BYTES_SMALL = new byte[256];
|
||||
private static final byte[] BYTES_LARGE = new byte[256000];
|
||||
|
||||
static {
|
||||
rand = ThreadLocalRandom.current();
|
||||
//fill arrays with compressible data
|
||||
for (int i = 0; i < BYTES_SMALL.length; i++) {
|
||||
BYTES_SMALL[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
|
||||
}
|
||||
for (int i = 0; i < BYTES_LARGE.length; i++) {
|
||||
BYTES_LARGE[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
|
||||
}
|
||||
}
|
||||
|
||||
private EmbeddedChannel channel;
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void initChannel() {
|
||||
channel = new EmbeddedChannel(new Lz4FrameEncoder());
|
||||
}
|
||||
|
||||
private static void testCompression(final EmbeddedChannel channel, final byte[] data) throws Exception {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data);
|
||||
channel.writeOutbound(in);
|
||||
channel.finish();
|
||||
|
||||
final byte[] uncompressed = uncompress(channel, data.length);
|
||||
|
||||
assertArrayEquals(data, uncompressed);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfSmallChunkOfData() throws Exception {
|
||||
testCompression(channel, BYTES_SMALL);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfLargeChunkOfData() throws Exception {
|
||||
testCompression(channel, BYTES_LARGE);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfBatchedFlowOfData() throws Exception {
|
||||
final byte[] data = BYTES_LARGE;
|
||||
|
||||
int written = 0, length = rand.nextInt(1, 100);
|
||||
while (written + length < data.length) {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, length);
|
||||
channel.writeOutbound(in);
|
||||
written += length;
|
||||
length = rand.nextInt(1, 100);
|
||||
}
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, data.length - written);
|
||||
channel.writeOutbound(in);
|
||||
channel.finish();
|
||||
|
||||
final byte[] uncompressed = uncompress(channel, data.length);
|
||||
|
||||
assertArrayEquals(data, uncompressed);
|
||||
}
|
||||
|
||||
private static byte[] uncompress(EmbeddedChannel channel, int originalLength) throws Exception {
|
||||
CompositeByteBuf out = Unpooled.compositeBuffer();
|
||||
ByteBuf msg;
|
||||
while ((msg = channel.readOutbound()) != null) {
|
||||
out.addComponent(msg);
|
||||
out.writerIndex(out.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
|
||||
byte[] compressed = new byte[out.readableBytes()];
|
||||
out.readBytes(compressed);
|
||||
out.release();
|
||||
|
||||
ByteArrayInputStream is = new ByteArrayInputStream(compressed);
|
||||
@Override
|
||||
protected ByteBuf decompress(ByteBuf compressed, int originalLength) throws Exception {
|
||||
InputStream is = new ByteBufInputStream(compressed);
|
||||
LZ4BlockInputStream lz4Is = new LZ4BlockInputStream(is);
|
||||
byte[] uncompressed = new byte[originalLength];
|
||||
|
||||
byte[] decompressed = new byte[originalLength];
|
||||
int remaining = originalLength;
|
||||
while (remaining > 0) {
|
||||
int read = lz4Is.read(uncompressed, originalLength - remaining, remaining);
|
||||
int read = lz4Is.read(decompressed, originalLength - remaining, remaining);
|
||||
if (read > 0) {
|
||||
remaining -= read;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
assertEquals(-1, lz4Is.read());
|
||||
lz4Is.close();
|
||||
|
||||
return uncompressed;
|
||||
return Unpooled.wrappedBuffer(decompressed);
|
||||
}
|
||||
}
|
||||
|
||||
@ -17,15 +17,15 @@ package io.netty.handler.codec.compression;
|
||||
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
|
||||
public class Lz4FrameIntegrationTest extends IntegrationTest {
|
||||
public class Lz4FrameIntegrationTest extends AbstractIntegrationTest {
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createEncoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createEncoder() {
|
||||
return new EmbeddedChannel(new Lz4FrameEncoder());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createDecoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createDecoder() {
|
||||
return new EmbeddedChannel(new Lz4FrameDecoder());
|
||||
}
|
||||
}
|
||||
|
||||
@ -17,44 +17,18 @@ package io.netty.handler.codec.compression;
|
||||
|
||||
import com.ning.compress.lzf.LZFEncoder;
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.CompositeByteBuf;
|
||||
import io.netty.buffer.Unpooled;
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
import io.netty.util.internal.ThreadLocalRandom;
|
||||
import org.junit.Before;
|
||||
import org.junit.Rule;
|
||||
import org.junit.Test;
|
||||
import org.junit.rules.ExpectedException;
|
||||
|
||||
import static com.ning.compress.lzf.LZFChunk.BYTE_Z;
|
||||
import static com.ning.compress.lzf.LZFChunk.BYTE_V;
|
||||
import static com.ning.compress.lzf.LZFChunk.BLOCK_TYPE_NON_COMPRESSED;
|
||||
import static org.junit.Assert.*;
|
||||
import static com.ning.compress.lzf.LZFChunk.*;
|
||||
|
||||
public class LzfDecoderTest {
|
||||
public class LzfDecoderTest extends AbstractDecoderTest {
|
||||
|
||||
private static final ThreadLocalRandom rand;
|
||||
|
||||
private static final byte[] BYTES_SMALL = new byte[256];
|
||||
private static final byte[] BYTES_LARGE = new byte[256000];
|
||||
|
||||
static {
|
||||
rand = ThreadLocalRandom.current();
|
||||
//fill arrays with compressible data
|
||||
for (int i = 0; i < BYTES_SMALL.length; i++) {
|
||||
BYTES_SMALL[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
|
||||
}
|
||||
for (int i = 0; i < BYTES_LARGE.length; i++) {
|
||||
BYTES_LARGE[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
|
||||
}
|
||||
public LzfDecoderTest() throws Exception {
|
||||
}
|
||||
|
||||
@Rule
|
||||
public ExpectedException expected = ExpectedException.none();
|
||||
|
||||
private EmbeddedChannel channel;
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void initChannel() {
|
||||
channel = new EmbeddedChannel(new LzfDecoder());
|
||||
}
|
||||
@ -86,63 +60,8 @@ public class LzfDecoderTest {
|
||||
channel.writeInbound(in);
|
||||
}
|
||||
|
||||
private static void testDecompression(final EmbeddedChannel channel, final byte[] data) throws Exception {
|
||||
byte[] compressedArray = LZFEncoder.encode(data);
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(compressedArray);
|
||||
|
||||
channel.writeInbound(compressed);
|
||||
|
||||
ByteBuf uncompressed = readUncompressed(channel);
|
||||
ByteBuf dataBuf = Unpooled.wrappedBuffer(data);
|
||||
|
||||
assertEquals(dataBuf, uncompressed);
|
||||
|
||||
uncompressed.release();
|
||||
dataBuf.release();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfSmallChunkOfData() throws Exception {
|
||||
testDecompression(channel, BYTES_SMALL);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfLargeChunkOfData() throws Exception {
|
||||
testDecompression(channel, BYTES_LARGE);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDecompressionOfBatchedFlowOfData() throws Exception {
|
||||
final byte[] data = BYTES_LARGE;
|
||||
|
||||
byte[] compressedArray = LZFEncoder.encode(data);
|
||||
int written = 0, length = rand.nextInt(100);
|
||||
while (written + length < compressedArray.length) {
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(compressedArray, written, length);
|
||||
channel.writeInbound(compressed);
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
}
|
||||
ByteBuf compressed = Unpooled.wrappedBuffer(compressedArray, written, compressedArray.length - written);
|
||||
channel.writeInbound(compressed);
|
||||
|
||||
ByteBuf uncompressed = readUncompressed(channel);
|
||||
ByteBuf dataBuf = Unpooled.wrappedBuffer(data);
|
||||
|
||||
assertEquals(dataBuf, uncompressed);
|
||||
|
||||
uncompressed.release();
|
||||
dataBuf.release();
|
||||
}
|
||||
|
||||
private static ByteBuf readUncompressed(EmbeddedChannel channel) throws Exception {
|
||||
CompositeByteBuf uncompressed = Unpooled.compositeBuffer();
|
||||
ByteBuf msg;
|
||||
while ((msg = channel.readInbound()) != null) {
|
||||
uncompressed.addComponent(msg);
|
||||
uncompressed.writerIndex(uncompressed.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
|
||||
return uncompressed;
|
||||
@Override
|
||||
protected byte[] compress(byte[] data) throws Exception {
|
||||
return LZFEncoder.encode(data);
|
||||
}
|
||||
}
|
||||
|
||||
@ -17,92 +17,22 @@ package io.netty.handler.codec.compression;
|
||||
|
||||
import com.ning.compress.lzf.LZFDecoder;
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.CompositeByteBuf;
|
||||
import io.netty.buffer.Unpooled;
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
import io.netty.util.internal.ThreadLocalRandom;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import static org.junit.Assert.*;
|
||||
public class LzfEncoderTest extends AbstractEncoderTest {
|
||||
|
||||
public class LzfEncoderTest {
|
||||
|
||||
private static final ThreadLocalRandom rand;
|
||||
|
||||
private static final byte[] BYTES_SMALL = new byte[256];
|
||||
private static final byte[] BYTES_LARGE = new byte[256000];
|
||||
|
||||
static {
|
||||
rand = ThreadLocalRandom.current();
|
||||
//fill arrays with compressible data
|
||||
for (int i = 0; i < BYTES_SMALL.length; i++) {
|
||||
BYTES_SMALL[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
|
||||
}
|
||||
for (int i = 0; i < BYTES_LARGE.length; i++) {
|
||||
BYTES_LARGE[i] = i % 4 != 0 ? 0 : (byte) rand.nextInt();
|
||||
}
|
||||
}
|
||||
|
||||
private EmbeddedChannel channel;
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void initChannel() {
|
||||
channel = new EmbeddedChannel(new LzfEncoder());
|
||||
}
|
||||
|
||||
private static void testCompression(final EmbeddedChannel channel, final byte[] data) throws Exception {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data);
|
||||
channel.writeOutbound(in);
|
||||
channel.finish();
|
||||
@Override
|
||||
protected ByteBuf decompress(ByteBuf compressed, int originalLength) throws Exception {
|
||||
byte[] compressedArray = new byte[compressed.readableBytes()];
|
||||
compressed.readBytes(compressedArray);
|
||||
|
||||
final byte[] uncompressed = uncompress(channel);
|
||||
|
||||
assertArrayEquals(data, uncompressed);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfSmallChunkOfData() throws Exception {
|
||||
testCompression(channel, BYTES_SMALL);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfLargeChunkOfData() throws Exception {
|
||||
testCompression(channel, BYTES_LARGE);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfBatchedFlowOfData() throws Exception {
|
||||
final byte[] data = BYTES_LARGE;
|
||||
|
||||
int written = 0, length = rand.nextInt(100);
|
||||
while (written + length < data.length) {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, length);
|
||||
channel.writeOutbound(in);
|
||||
written += length;
|
||||
length = rand.nextInt(100);
|
||||
}
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, data.length - written);
|
||||
channel.writeOutbound(in);
|
||||
channel.finish();
|
||||
|
||||
final byte[] uncompressed = uncompress(channel);
|
||||
|
||||
assertArrayEquals(data, uncompressed);
|
||||
}
|
||||
|
||||
private static byte[] uncompress(EmbeddedChannel channel) throws Exception {
|
||||
CompositeByteBuf out = Unpooled.compositeBuffer();
|
||||
ByteBuf msg;
|
||||
while ((msg = channel.readOutbound()) != null) {
|
||||
out.addComponent(msg);
|
||||
out.writerIndex(out.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
|
||||
byte[] compressed = new byte[out.readableBytes()];
|
||||
out.readBytes(compressed);
|
||||
out.release();
|
||||
|
||||
return LZFDecoder.decode(compressed);
|
||||
byte[] decompressed = LZFDecoder.decode(compressedArray);
|
||||
return Unpooled.wrappedBuffer(decompressed);
|
||||
}
|
||||
}
|
||||
|
||||
@ -17,15 +17,15 @@ package io.netty.handler.codec.compression;
|
||||
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
|
||||
public class LzfIntegrationTest extends IntegrationTest {
|
||||
public class LzfIntegrationTest extends AbstractIntegrationTest {
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createEncoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createEncoder() {
|
||||
return new EmbeddedChannel(new LzfEncoder());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createDecoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createDecoder() {
|
||||
return new EmbeddedChannel(new LzfDecoder());
|
||||
}
|
||||
}
|
||||
|
||||
@ -20,126 +20,82 @@ import io.netty.buffer.ByteBufInputStream;
|
||||
import io.netty.buffer.CompositeByteBuf;
|
||||
import io.netty.buffer.Unpooled;
|
||||
import io.netty.channel.embedded.EmbeddedChannel;
|
||||
import io.netty.util.internal.ThreadLocalRandom;
|
||||
import lzma.sdk.lzma.Decoder;
|
||||
import lzma.streams.LzmaInputStream;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.experimental.theories.FromDataPoints;
|
||||
import org.junit.experimental.theories.Theory;
|
||||
|
||||
import java.io.InputStream;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import static org.junit.Assert.*;
|
||||
|
||||
public class LzmaFrameEncoderTest {
|
||||
public class LzmaFrameEncoderTest extends AbstractEncoderTest {
|
||||
|
||||
private static final ThreadLocalRandom rand;
|
||||
|
||||
private static final byte[] BYTES_SMALL = new byte[256];
|
||||
private static final byte[] BYTES_LARGE = new byte[256000];
|
||||
|
||||
static {
|
||||
rand = ThreadLocalRandom.current();
|
||||
rand.nextBytes(BYTES_SMALL);
|
||||
rand.nextBytes(BYTES_LARGE);
|
||||
}
|
||||
|
||||
private EmbeddedChannel channel;
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void initChannel() {
|
||||
channel = new EmbeddedChannel(new LzmaFrameEncoder());
|
||||
}
|
||||
|
||||
private static void testCompression(final EmbeddedChannel channel, final byte[] data) throws Exception {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data);
|
||||
assertTrue(channel.writeOutbound(in));
|
||||
assertTrue(channel.finish());
|
||||
|
||||
byte[] uncompressed = uncompress(channel, data.length);
|
||||
|
||||
assertArrayEquals(data, uncompressed);
|
||||
@Theory
|
||||
@Override
|
||||
public void testCompressionOfBatchedFlowOfData(@FromDataPoints("smallData") ByteBuf data) throws Exception {
|
||||
testCompressionOfBatchedFlow(data);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfSmallChunkOfData() throws Exception {
|
||||
testCompression(channel, BYTES_SMALL);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfLargeChunkOfData() throws Exception {
|
||||
testCompression(channel, BYTES_LARGE);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompressionOfBatchedFlowOfData() throws Exception {
|
||||
final byte[] data = BYTES_SMALL;
|
||||
|
||||
@Override
|
||||
protected void testCompressionOfBatchedFlow(final ByteBuf data) throws Exception {
|
||||
List<Integer> originalLengths = new ArrayList<Integer>();
|
||||
final int dataLength = data.readableBytes();
|
||||
int written = 0, length = rand.nextInt(50);
|
||||
while (written + length < data.length) {
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, length);
|
||||
assertTrue(channel.writeOutbound(in));
|
||||
while (written + length < dataLength) {
|
||||
ByteBuf in = data.slice(written, length);
|
||||
assertTrue(channel.writeOutbound(in.retain()));
|
||||
written += length;
|
||||
originalLengths.add(length);
|
||||
length = rand.nextInt(50);
|
||||
}
|
||||
ByteBuf in = Unpooled.wrappedBuffer(data, written, data.length - written);
|
||||
assertTrue(channel.writeOutbound(in));
|
||||
length = dataLength - written;
|
||||
ByteBuf in = data.slice(written, dataLength - written);
|
||||
originalLengths.add(length);
|
||||
assertTrue(channel.writeOutbound(in.retain()));
|
||||
assertTrue(channel.finish());
|
||||
|
||||
byte[] uncompressed = new byte[data.length];
|
||||
int outOffset = 0;
|
||||
|
||||
CompositeByteBuf decompressed = Unpooled.compositeBuffer();
|
||||
ByteBuf msg;
|
||||
int i = 0;
|
||||
while ((msg = channel.readOutbound()) != null) {
|
||||
InputStream is = new ByteBufInputStream(msg);
|
||||
LzmaInputStream lzmaIs = new LzmaInputStream(is, new Decoder());
|
||||
for (;;) {
|
||||
int read = lzmaIs.read(uncompressed, outOffset, data.length - outOffset);
|
||||
if (read > 0) {
|
||||
outOffset += read;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
assertEquals(0, is.available());
|
||||
assertEquals(-1, is.read());
|
||||
|
||||
is.close();
|
||||
lzmaIs.close();
|
||||
ByteBuf decompressedMsg = decompress(msg, originalLengths.get(i++));
|
||||
decompressed.addComponent(decompressedMsg);
|
||||
decompressed.writerIndex(decompressed.writerIndex() + decompressedMsg.readableBytes());
|
||||
msg.release();
|
||||
}
|
||||
assertEquals(originalLengths.size(), i);
|
||||
assertEquals(data, decompressed);
|
||||
|
||||
assertArrayEquals(data, uncompressed);
|
||||
decompressed.release();
|
||||
data.release();
|
||||
}
|
||||
|
||||
private static byte[] uncompress(EmbeddedChannel channel, int length) throws Exception {
|
||||
CompositeByteBuf out = Unpooled.compositeBuffer();
|
||||
ByteBuf msg;
|
||||
while ((msg = channel.readOutbound()) != null) {
|
||||
out.addComponent(msg);
|
||||
out.writerIndex(out.writerIndex() + msg.readableBytes());
|
||||
}
|
||||
|
||||
InputStream is = new ByteBufInputStream(out);
|
||||
@Override
|
||||
protected ByteBuf decompress(ByteBuf compressed, int originalLength) throws Exception {
|
||||
InputStream is = new ByteBufInputStream(compressed);
|
||||
LzmaInputStream lzmaIs = new LzmaInputStream(is, new Decoder());
|
||||
byte[] uncompressed = new byte[length];
|
||||
int remaining = length;
|
||||
|
||||
byte[] decompressed = new byte[originalLength];
|
||||
int remaining = originalLength;
|
||||
while (remaining > 0) {
|
||||
int read = lzmaIs.read(uncompressed, length - remaining, remaining);
|
||||
int read = lzmaIs.read(decompressed, originalLength - remaining, remaining);
|
||||
if (read > 0) {
|
||||
remaining -= read;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
assertEquals(0, is.available());
|
||||
assertEquals(-1, is.read());
|
||||
assertEquals(-1, lzmaIs.read());
|
||||
|
||||
is.close();
|
||||
lzmaIs.close();
|
||||
out.release();
|
||||
|
||||
return uncompressed;
|
||||
return Unpooled.wrappedBuffer(decompressed);
|
||||
}
|
||||
}
|
||||
|
||||
@ -77,9 +77,9 @@ public class SnappyFrameEncoderTest {
|
||||
'n', 'e', 't', 't', 'y'
|
||||
});
|
||||
|
||||
channel.writeOutbound(in.copy());
|
||||
in.readerIndex(0); // rewind the buffer to write the same data
|
||||
channel.writeOutbound(in.copy());
|
||||
channel.writeOutbound(in.retain());
|
||||
in.resetReaderIndex(); // rewind the buffer to write the same data
|
||||
channel.writeOutbound(in);
|
||||
assertTrue(channel.finish());
|
||||
|
||||
ByteBuf expected = Unpooled.wrappedBuffer(new byte[] {
|
||||
@ -98,7 +98,6 @@ public class SnappyFrameEncoderTest {
|
||||
actual.writerIndex(actual.writerIndex() + m.readableBytes());
|
||||
}
|
||||
assertEquals(releaseLater(expected), releaseLater(actual));
|
||||
in.release();
|
||||
}
|
||||
|
||||
/**
|
||||
|
||||
@ -20,7 +20,7 @@ import org.junit.Test;
|
||||
|
||||
import java.util.Random;
|
||||
|
||||
public class SnappyIntegrationTest extends IntegrationTest {
|
||||
public class SnappyIntegrationTest extends AbstractIntegrationTest {
|
||||
|
||||
/**
|
||||
* The number of random regression tests run by testRandom() runs. Whenever testRandom() finds the case that
|
||||
@ -32,12 +32,12 @@ public class SnappyIntegrationTest extends IntegrationTest {
|
||||
private static final int RANDOM_RUNS = 1;
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createEncoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createEncoder() {
|
||||
return new EmbeddedChannel(new SnappyFrameEncoder());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected EmbeddedChannel createDecoderEmbeddedChannel() {
|
||||
protected EmbeddedChannel createDecoder() {
|
||||
return new EmbeddedChannel(new SnappyFrameDecoder());
|
||||
}
|
||||
|
||||
|
||||
@ -98,13 +98,12 @@ public abstract class ZlibTest {
|
||||
|
||||
EmbeddedChannel chDecoderGZip = new EmbeddedChannel(createDecoder(ZlibWrapper.GZIP));
|
||||
try {
|
||||
chDecoderGZip.writeInbound(deflatedData.copy());
|
||||
chDecoderGZip.writeInbound(deflatedData);
|
||||
assertTrue(chDecoderGZip.finish());
|
||||
ByteBuf buf = chDecoderGZip.readInbound();
|
||||
assertEquals(buf, data);
|
||||
assertNull(chDecoderGZip.readInbound());
|
||||
data.release();
|
||||
deflatedData.release();
|
||||
buf.release();
|
||||
} finally {
|
||||
dispose(chDecoderGZip);
|
||||
@ -116,8 +115,9 @@ public abstract class ZlibTest {
|
||||
EmbeddedChannel chDecoderZlib = new EmbeddedChannel(createDecoder(decoderWrapper));
|
||||
|
||||
try {
|
||||
chEncoder.writeOutbound(data.copy());
|
||||
chEncoder.writeOutbound(data.retain());
|
||||
chEncoder.flush();
|
||||
data.resetReaderIndex();
|
||||
|
||||
for (;;) {
|
||||
ByteBuf deflatedData = chEncoder.readOutbound();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user