com.spotify.folsom.client.binary.BinaryMemcacheDecoderTest.java Source code

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Here is the source code for com.spotify.folsom.client.binary.BinaryMemcacheDecoderTest.java

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/*
 * Copyright (c) 2014-2015 Spotify AB
 *
 * Licensed 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 com.spotify.folsom.client.binary;

import com.google.common.collect.Lists;
import com.spotify.folsom.GetResult;
import com.spotify.folsom.Transcoder;
import com.spotify.folsom.client.OpCode;
import com.spotify.folsom.transcoder.StringTranscoder;

import org.junit.Test;

import java.util.List;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import static org.junit.Assert.assertEquals;

public class BinaryMemcacheDecoderTest {

    protected static final int ID = 17;
    protected static final byte[] CAS = new byte[] { 0, 0, 0, 0, 0, 0, 1, 2 };
    protected static final byte[] NO_CAS = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 };
    private static final String KEY = "foo";
    private static final String VALUE = "bar";

    private static final int OPAQUE = 123;

    private static final Transcoder<String> TRANSCODER = StringTranscoder.UTF8_INSTANCE;

    @Test
    public void test() throws Exception {
        GetRequest request = new GetRequest(KEY, OpCode.GET, 123, OPAQUE);
        BinaryMemcacheDecoder decoder = new BinaryMemcacheDecoder();

        ByteBuf cb = Unpooled.buffer(30);
        cb.writeByte(0x81);
        cb.writeByte(OpCode.GET);
        cb.writeShort(3);
        cb.writeByte(0);
        cb.writeZero(1);
        cb.writeShort(0);
        cb.writeInt(6);
        cb.writeInt(request.getOpaque());
        cb.writeLong(258);
        cb.writeBytes(KEY.getBytes());
        cb.writeBytes(VALUE.getBytes());

        List<Object> out = Lists.newArrayList();
        decoder.decode(null, cb, out);
        @SuppressWarnings("unchecked")
        List<ResponsePacket> replies = (List<ResponsePacket>) out.get(0);
        request.handle(replies);

        GetResult<byte[]> getResult = request.get();
        assertEquals(258, getResult.getCas());
        assertEquals(VALUE, TRANSCODER.decode(getResult.getValue()));
    }
}