Motivation: While working on #6087 some buffer leaks showed up. Modifications: Correctly release buffers. Result: No more buffer leaks in memcache and stomp codec tests.
162 lines
5.9 KiB
Java
162 lines
5.9 KiB
Java
/*
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* Copyright 2013 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.memcache.binary;
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import io.netty.buffer.ByteBuf;
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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.handler.codec.EncoderException;
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import io.netty.handler.codec.memcache.DefaultLastMemcacheContent;
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import io.netty.handler.codec.memcache.DefaultMemcacheContent;
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import io.netty.util.CharsetUtil;
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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 static org.hamcrest.CoreMatchers.*;
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import static org.hamcrest.core.IsEqual.equalTo;
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import static org.junit.Assert.*;
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/**
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* Verifies the correct functionality of the {@link AbstractBinaryMemcacheEncoder}.
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*/
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public class BinaryMemcacheEncoderTest {
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public static final int DEFAULT_HEADER_SIZE = 24;
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private EmbeddedChannel channel;
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@Before
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public void setup() throws Exception {
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channel = new EmbeddedChannel(new BinaryMemcacheRequestEncoder());
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}
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@After
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public void teardown() throws Exception {
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channel.finishAndReleaseAll();
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}
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@Test
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public void shouldEncodeDefaultHeader() {
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BinaryMemcacheRequest request = new DefaultBinaryMemcacheRequest();
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boolean result = channel.writeOutbound(request);
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assertThat(result, is(true));
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ByteBuf written = channel.readOutbound();
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assertThat(written.readableBytes(), is(DEFAULT_HEADER_SIZE));
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assertThat(written.readByte(), is((byte) 0x80));
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assertThat(written.readByte(), is((byte) 0x00));
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written.release();
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}
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@Test
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public void shouldEncodeCustomHeader() {
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BinaryMemcacheRequest request = new DefaultBinaryMemcacheRequest();
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request.setMagic((byte) 0xAA);
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request.setOpcode(BinaryMemcacheOpcodes.GET);
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boolean result = channel.writeOutbound(request);
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assertThat(result, is(true));
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ByteBuf written = channel.readOutbound();
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assertThat(written.readableBytes(), is(DEFAULT_HEADER_SIZE));
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assertThat(written.readByte(), is((byte) 0xAA));
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assertThat(written.readByte(), is(BinaryMemcacheOpcodes.GET));
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written.release();
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}
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@Test
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public void shouldEncodeExtras() {
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String extrasContent = "netty<3memcache";
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ByteBuf extras = Unpooled.copiedBuffer(extrasContent, CharsetUtil.UTF_8);
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int extrasLength = extras.readableBytes();
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BinaryMemcacheRequest request = new DefaultBinaryMemcacheRequest(Unpooled.EMPTY_BUFFER, extras);
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boolean result = channel.writeOutbound(request);
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assertThat(result, is(true));
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ByteBuf written = channel.readOutbound();
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assertThat(written.readableBytes(), is(DEFAULT_HEADER_SIZE + extrasLength));
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written.skipBytes(DEFAULT_HEADER_SIZE);
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assertThat(written.readSlice(extrasLength).toString(CharsetUtil.UTF_8), equalTo(extrasContent));
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written.release();
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}
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@Test
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public void shouldEncodeKey() {
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ByteBuf key = Unpooled.copiedBuffer("netty", CharsetUtil.UTF_8);
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int keyLength = key.readableBytes();
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BinaryMemcacheRequest request = new DefaultBinaryMemcacheRequest(key);
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boolean result = channel.writeOutbound(request);
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assertThat(result, is(true));
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ByteBuf written = channel.readOutbound();
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assertThat(written.readableBytes(), is(DEFAULT_HEADER_SIZE + keyLength));
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written.skipBytes(DEFAULT_HEADER_SIZE);
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assertThat(written.readSlice(keyLength).toString(CharsetUtil.UTF_8), equalTo("netty"));
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written.release();
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}
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@Test
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public void shouldEncodeContent() {
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DefaultMemcacheContent content1 =
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new DefaultMemcacheContent(Unpooled.copiedBuffer("Netty", CharsetUtil.UTF_8));
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DefaultLastMemcacheContent content2 =
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new DefaultLastMemcacheContent(Unpooled.copiedBuffer(" Rocks!", CharsetUtil.UTF_8));
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int totalBodyLength = content1.content().readableBytes() + content2.content().readableBytes();
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BinaryMemcacheRequest request = new DefaultBinaryMemcacheRequest();
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request.setTotalBodyLength(totalBodyLength);
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boolean result = channel.writeOutbound(request);
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assertThat(result, is(true));
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result = channel.writeOutbound(content1);
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assertThat(result, is(true));
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result = channel.writeOutbound(content2);
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assertThat(result, is(true));
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ByteBuf written = channel.readOutbound();
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assertThat(written.readableBytes(), is(DEFAULT_HEADER_SIZE));
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written.release();
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written = channel.readOutbound();
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assertThat(written.readableBytes(), is(content1.content().readableBytes()));
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assertThat(
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written.readSlice(content1.content().readableBytes()).toString(CharsetUtil.UTF_8),
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is("Netty")
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);
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written.release();
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written = channel.readOutbound();
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assertThat(written.readableBytes(), is(content2.content().readableBytes()));
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assertThat(
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written.readSlice(content2.content().readableBytes()).toString(CharsetUtil.UTF_8),
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is(" Rocks!")
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);
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written.release();
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}
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@Test(expected = EncoderException.class)
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public void shouldFailWithoutLastContent() {
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channel.writeOutbound(new DefaultMemcacheContent(Unpooled.EMPTY_BUFFER));
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channel.writeOutbound(new DefaultBinaryMemcacheRequest());
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}
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}
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