| /* |
| * 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.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); |
| } |
| |
| |
| } |
| |
| } |
| } |