Java example source code file (BinaryMemcacheObjectAggregatorTest.java)

This example Java source code file (BinaryMemcacheObjectAggregatorTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

binarymemcacheobjectaggregator, binarymemcacherequestdecoder, binarymemcacherequestencoder, bytebuf, defaultbinarymemcacherequest, defaultlastmemcachecontent, defaultmemcachecontent, embeddedchannel, fullbinarymemcacherequest, max_content_size, netty, rocks, set_request_with_content, test

The BinaryMemcacheObjectAggregatorTest.java Java example source code

/*
 * Copyright 2013 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.handler.codec.memcache.binary;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.memcache.DefaultLastMemcacheContent;
import io.netty.handler.codec.memcache.DefaultMemcacheContent;
import io.netty.util.CharsetUtil;
import org.junit.Test;

import static org.hamcrest.CoreMatchers.*;
import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.core.IsNull.notNullValue;
import static org.hamcrest.core.IsNull.nullValue;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
 * Verifies the correct functionality of the {@link BinaryMemcacheObjectAggregator}.
 */
public class BinaryMemcacheObjectAggregatorTest {

    private static final byte[] SET_REQUEST_WITH_CONTENT = {
        (byte) 0x80, 0x01, 0x00, 0x03,
        0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x0B,
        0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00,
        0x66, 0x6f, 0x6f,
        0x01, 0x02, 0x03, 0x04,
        0x05, 0x06, 0x07, 0x08
    };

    public static final int MAX_CONTENT_SIZE = 2 << 10;

    private EmbeddedChannel channel;

    @Test
    public void shouldAggregateChunksOnDecode() {
        int smallBatchSize = 2;
        channel = new EmbeddedChannel(
            new BinaryMemcacheRequestDecoder(smallBatchSize),
            new BinaryMemcacheObjectAggregator(MAX_CONTENT_SIZE));

        ByteBuf incoming = Unpooled.buffer();
        incoming.writeBytes(SET_REQUEST_WITH_CONTENT);
        channel.writeInbound(incoming);

        FullBinaryMemcacheRequest request = channel.readInbound();

        assertThat(request, instanceOf(FullBinaryMemcacheRequest.class));
        assertThat(request, notNullValue());
        assertThat(request.key(), notNullValue());
        assertThat(request.extras(), nullValue());

        assertThat(request.content().readableBytes(), is(8));
        assertThat(request.content().readByte(), is((byte) 0x01));
        assertThat(request.content().readByte(), is((byte) 0x02));
        request.release();

        assertThat(channel.readInbound(), nullValue());

        channel.finish();
    }

    @Test
    public void shouldRetainByteBufWhenAggregating() {
        channel = new EmbeddedChannel(
                new BinaryMemcacheRequestEncoder(),
                new BinaryMemcacheRequestDecoder(),
                new BinaryMemcacheObjectAggregator(MAX_CONTENT_SIZE));

        ByteBuf key = Unpooled.copiedBuffer("Netty", CharsetUtil.UTF_8);
        ByteBuf extras = Unpooled.copiedBuffer("extras", CharsetUtil.UTF_8);
        BinaryMemcacheRequest request = new DefaultBinaryMemcacheRequest(key, extras);

        DefaultMemcacheContent content1 =
                new DefaultMemcacheContent(Unpooled.copiedBuffer("Netty", CharsetUtil.UTF_8));
        DefaultLastMemcacheContent content2 =
                new DefaultLastMemcacheContent(Unpooled.copiedBuffer(" Rocks!", CharsetUtil.UTF_8));
        int totalBodyLength = key.readableBytes() + extras.readableBytes() +
                content1.content().readableBytes() + content2.content().readableBytes();
        request.setTotalBodyLength(totalBodyLength);

        assertTrue(channel.writeOutbound(request, content1, content2));

        assertThat(channel.outboundMessages().size(), is(3));
        assertTrue(channel.writeInbound(channel.readOutbound(), channel.readOutbound(), channel.readOutbound()));

        FullBinaryMemcacheRequest read = channel.readInbound();
        assertThat(read, notNullValue());
        assertThat(read.key().toString(CharsetUtil.UTF_8), is("Netty"));
        assertThat(read.extras().toString(CharsetUtil.UTF_8), is("extras"));
        assertThat(read.content().toString(CharsetUtil.UTF_8), is("Netty Rocks!"));

        read.release();
        assertFalse(channel.finish());
    }
}