extras/rya.prospector/src/test/java/org/apache/rya/joinselect/mr/JoinSelectProspectOutputTest.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
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package org.apache.rya.joinselect.mr;

import java.io.IOException;

import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Value;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mrunit.mapreduce.MapDriver;
import org.apache.rya.joinselect.mr.utils.CardinalityType;
import org.apache.rya.joinselect.mr.utils.CompositeType;
import org.apache.rya.joinselect.mr.utils.TripleCard;
import org.junit.Test;

public class JoinSelectProspectOutputTest {

    private static final String DELIM = "\u0000";

    public enum TripleValueType {
        subject, predicate, object, subjectpredicate, predicateobject, subjectobject
    }

    @Test
    public void testOutput() throws InterruptedException, IOException {

        String s = "urn:gem:etype#1234";
        String p = "urn:gem#pred";

        String ts = "798497748386999999";
        
        Text t1 = new Text(TripleValueType.subject.name() + DELIM + s + DELIM + 1);
        Text t2 = new Text(TripleValueType.predicate.name() + DELIM + p + DELIM + 2);
        Text t3 = new Text(TripleValueType.subjectpredicate.name() + DELIM + s + DELIM + p + DELIM + ts);

        byte[] b = new byte[0];
        byte[] c = "25".getBytes();
        byte[] d = "47".getBytes();
        byte[] e = "15".getBytes();

        Key key1 = new Key(t1.getBytes(), b, b, b, 1);
        Key key2 = new Key(t2.getBytes(), b, b, b, 1);
        Key key3 = new Key(t3.getBytes(), b, b, b, 1);
        Value val1 = new Value(c);
        Value val2 = new Value(d);
        Value val3 = new Value(e);
        
       

        // System.out.println("Keys are " + key1 + " and " + key2);

        new MapDriver<Key, Value, CompositeType, TripleCard>()
                .withMapper(new JoinSelectProspectOutput.CardinalityMapper())
                .withInput(key1, val1)
                .withInput(key2, val2)
                .withInput(key3, val3)
                .withOutput(new CompositeType(s, 1), new TripleCard(new CardinalityType(25, "subject", 1)))
                .withOutput(new CompositeType(p, 1), new TripleCard(new CardinalityType(47, "predicate", 2)))
                .withOutput(new CompositeType(s + DELIM + p, 1),
                        new TripleCard(new CardinalityType(15, "subjectpredicate", Long.parseLong(ts)))).runTest();

    }

}