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* 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
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* See the License for the specific language governing permissions and
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package org.apache.pig.test;
import static org.junit.Assert.assertEquals;
import java.util.Map;
import java.util.Random;
import org.apache.pig.backend.executionengine.ExecException;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.Result;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POProject;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhysicalPlan;
import org.apache.pig.data.Tuple;
import org.apache.pig.data.TupleFactory;
import org.apache.pig.impl.plan.OperatorKey;
import org.apache.pig.impl.plan.PlanException;
import org.apache.pig.test.utils.GenRandomData;
import org.junit.Test;
public class TestPOMapLookUp {
Random r = new Random();
Map<String, Object> map;// = GenRandomData.genRandMap(r, 10);
@Test
public void testMapLookUp() throws PlanException, ExecException {
POProject prj = new POProject(new OperatorKey("", r.nextLong()), -1, 0);
POMapLookUp op = new POMapLookUp(new OperatorKey("", r.nextLong()), -1);
PhysicalPlan plan = new PhysicalPlan();
plan.add(op);
plan.add(prj);
plan.connect(prj, op);
for(int i = 0 ; i < 10; i++) {
map = GenRandomData.genRandMap(r, 10);
Tuple t = TupleFactory.getInstance().newTuple();
t.append(map);
for(Map.Entry<String, Object> e : map.entrySet()) {
op.setLookUpKey(e.getKey());
plan.attachInput(t);
Result res = op.getNextMap();
//System.out.println(e.getValue() + " : " + res.result);
assertEquals(e.getValue(), res.result);
}
}
}
}