io.aos.hdfs.MapWritableTest.java Source code

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package io.aos.hdfs;

// == MapWritableTest
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;

import java.io.IOException;
import org.apache.hadoop.io.*;
import org.junit.Test;

public class MapWritableTest extends WritableTestBase {

    @Test
    public void mapWritable() throws IOException {
        // vv MapWritableTest
        MapWritable src = new MapWritable();
        src.put(new IntWritable(1), new Text("cat"));
        src.put(new VIntWritable(2), new LongWritable(163));

        MapWritable dest = new MapWritable();
        WritableUtils.cloneInto(dest, src);
        assertThat((Text) dest.get(new IntWritable(1)), is(new Text("cat")));
        assertThat((LongWritable) dest.get(new VIntWritable(2)), is(new LongWritable(163)));
        // ^^ MapWritableTest
    }

    @Test
    public void setWritableEmulation() throws IOException {
        MapWritable src = new MapWritable();
        src.put(new IntWritable(1), NullWritable.get());
        src.put(new IntWritable(2), NullWritable.get());

        MapWritable dest = new MapWritable();
        WritableUtils.cloneInto(dest, src);
        assertThat(dest.containsKey(new IntWritable(1)), is(true));
    }
}