| /* |
| * 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.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| |
| import org.apache.pig.backend.executionengine.ExecException; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.POStatus; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator; |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.Result; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.test.utils.GenPhyOp; |
| import org.apache.pig.test.utils.GenRandomData; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestPhyOp { |
| PhysicalOperator op; |
| |
| PhysicalOperator inpOp; |
| |
| Tuple t; |
| |
| @Before |
| public void setUp() throws Exception { |
| op = GenPhyOp.topFilterOp(); |
| inpOp = GenPhyOp.topFilterOpWithExPlan(25, 10); |
| t = GenRandomData.genRandSmallBagTuple(new Random(), 10, 100); |
| } |
| |
| @Test |
| public void testProcessInput() throws ExecException { |
| // Stand-alone tests |
| Result res = op.processInput(); |
| assertEquals(POStatus.STATUS_EOP, res.returnStatus); |
| op.attachInput(t); |
| res = op.processInput(); |
| assertEquals(POStatus.STATUS_OK, res.returnStatus); |
| assertEquals(t, res.result); |
| op.detachInput(); |
| res = op.processInput(); |
| assertEquals(POStatus.STATUS_EOP, res.returnStatus); |
| |
| // With input operator |
| List<PhysicalOperator> inp = new ArrayList<PhysicalOperator>(); |
| inp.add(inpOp); |
| op.setInputs(inp); |
| op.processInput(); |
| assertEquals(POStatus.STATUS_EOP, res.returnStatus); |
| |
| inpOp.attachInput(t); |
| res = op.processInput(); |
| assertEquals(POStatus.STATUS_OK, res.returnStatus); |
| assertEquals(t, res.result); |
| inpOp.detachInput(); |
| res = op.processInput(); |
| assertEquals(POStatus.STATUS_EOP, res.returnStatus); |
| } |
| } |