stream/statelib/src/test/java/org/apache/bookkeeper/statelib/impl/mvcc/TestMVCCUtils.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.bookkeeper.statelib.impl.mvcc;

import static org.junit.Assert.assertEquals;

import io.netty.buffer.ByteBuf;
import org.apache.bookkeeper.stream.proto.kv.store.Command;
import org.junit.Test;

/**
 * Test case for {@link MVCCUtils}.
 */
public class TestMVCCUtils {

    @Test
    public void testNewLogRecordBuf() {
        Command command = MVCCUtils.NOP_CMD;
        ByteBuf buffer = MVCCUtils.newLogRecordBuf(command);
        assertEquals(command.getSerializedSize(), buffer.readableBytes());
        Command another = MVCCUtils.newCommand(buffer);
        assertEquals(command, another);
    }

}