gremlin-util/src/test/java/org/apache/tinkerpop/gremlin/util/ser/binary/GraphBinaryReaderWriterRoundTripTest.java

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 * distributed with this work for additional information
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 * 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
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 * Unless required by applicable law or agreed to in writing,
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package org.apache.tinkerpop.gremlin.util.ser.binary;

import io.netty.buffer.ByteBufAllocator;
import org.apache.tinkerpop.gremlin.util.ser.AbstractRoundTripTest;
import org.apache.tinkerpop.gremlin.util.ser.NettyBufferFactory;
import org.apache.tinkerpop.gremlin.structure.io.Buffer;
import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryReader;
import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryWriter;
import org.junit.Test;
import java.util.*;
import java.util.function.Consumer;

import static org.junit.Assert.assertEquals;

public class GraphBinaryReaderWriterRoundTripTest extends AbstractRoundTripTest {
    private final GraphBinaryWriter writer = new GraphBinaryWriter();
    private final GraphBinaryReader reader = new GraphBinaryReader();
    private final ByteBufAllocator allocator = ByteBufAllocator.DEFAULT;
    private static NettyBufferFactory bufferFactory = new NettyBufferFactory();

    private static List<String> skippedTests
            = Arrays.asList("ReferenceVertexProperty");

    @Test
    public void shouldWriteAndRead() throws Exception {
        // some tests are not valid for graphbinary
        if (skippedTests.contains(name)) return;

        // Test it multiple times as the type registry might change its internal state
        for (int i = 0; i < 5; i++) {
            final Buffer buffer = bufferFactory.create(allocator.buffer());
            writer.write(value, buffer);
            buffer.readerIndex(0);
            final Object result = reader.read(buffer);

            Optional.ofNullable(assertion).orElse((Consumer) r -> assertEquals(value, r)).accept(result);
        }
    }
}