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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
* 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.piggybank.test.evaluation.decode;
import java.io.IOException;
import junit.framework.TestCase;
import org.apache.pig.data.Tuple;
import org.apache.pig.data.TupleFactory;
import org.apache.pig.piggybank.evaluation.decode.Bin;
import org.apache.pig.piggybank.evaluation.decode.BinCond;
import org.apache.pig.piggybank.evaluation.decode.Decode;
import org.junit.Test;
public class TestDecode extends TestCase {
@Test
public void testBin() throws Exception {
Tuple t1 = TupleFactory.getInstance().newTuple(8);
t1.set(0, new Integer(19));
t1.set(1, "infant");
t1.set(2, new Integer(5));
t1.set(3, "young");
t1.set(4, new Integer(20));
t1.set(5, "normal");
t1.set(6, new Integer(60));
t1.set(7, "old");
Tuple t2 = TupleFactory.getInstance().newTuple(8);
t2.set(0, new Double(1.78));
t2.set(1, "S");
t2.set(2, new Double(1.70));
t2.set(3, "M");
t2.set(4, new Double(1.80));
t2.set(5, "L");
t2.set(6, new Double(1.90));
t2.set(7, "XL");
Tuple t3 = TupleFactory.getInstance().newTuple(8);
t3.set(0, null);
t3.set(1, "S");
t3.set(2, new Double(1.70));
t3.set(3, "M");
t3.set(4, new Double(1.80));
t3.set(5, "L");
t3.set(6, new Double(1.90));
t3.set(7, "XL");
Tuple t4 = TupleFactory.getInstance().newTuple(8);
t4.set(0, new Double(1.78));
t4.set(1, null);
t4.set(2, new Double(1.70));
t3.set(3, "M");
t3.set(4, new Double(1.80));
t3.set(5, "L");
t3.set(6, new Double(1.90));
t4.set(7, "XL");
Bin func = new Bin();
String r = func.exec(t1);
assertTrue(r.equals("young"));
r = func.exec(t2);
assertTrue(r.equals("M"));
r = func.exec(t3);
assertTrue(r==null);
try {
r = func.exec(t4);
fail("Exception not triggered");
} catch (IOException e) {
assertTrue(e.getMessage().equals("Bin : Encounter null in the input"));
}
}
@Test
public void testBinCond() throws Exception {
Tuple t1 = TupleFactory.getInstance().newTuple(7);
t1.set(0, false);
t1.set(1, "s&a");
t1.set(2, false);
t1.set(3, "a");
t1.set(4, true);
t1.set(5, "s");
t1.set(6, "n");
Tuple t2 = TupleFactory.getInstance().newTuple(7);
t2.set(0, null);
t2.set(1, "s&a");
t2.set(2, false);
t2.set(3, "a");
t2.set(4, true);
t2.set(5, "s");
t2.set(6, "n");
Tuple t3 = TupleFactory.getInstance().newTuple(7);
t3.set(0, false);
t3.set(1, "s&a");
t3.set(2, null);
t3.set(3, "a");
t3.set(4, true);
t3.set(5, "s");
t3.set(6, "n");
BinCond func = new BinCond();
String r = func.exec(t1);
assertTrue(r.equals("s"));
r = func.exec(t2);
assertTrue(r==null);
try {
r = func.exec(t3);
fail("Exception not triggered");
} catch (IOException e) {
assertTrue(e.getMessage().equals("BinCond : Encounter null in the input"));
}
}
@Test
public void testDecode() throws Exception {
Tuple t1 = TupleFactory.getInstance().newTuple(6);
t1.set(0, new Integer(1));
t1.set(1, 0);
t1.set(2, "Sales");
t1.set(3, 1);
t1.set(4, "Engineering");
t1.set(5, "Other");
Tuple t2 = TupleFactory.getInstance().newTuple(6);
t2.set(0, new Integer(3));
t2.set(1, 0);
t2.set(2, "Sales");
t2.set(3, 1);
t2.set(4, "Engineering");
t2.set(5, "Other");
Tuple t3 = TupleFactory.getInstance().newTuple(6);
t3.set(0, null);
t3.set(1, 0);
t3.set(2, "Sales");
t3.set(3, 1);
t3.set(4, "Engineering");
t3.set(5, "Other");
Tuple t4 = TupleFactory.getInstance().newTuple(6);
t4.set(0, new Integer(1));
t4.set(1, null);
t4.set(2, "Sales");
t4.set(3, 1);
t4.set(4, "Engineering");
t4.set(5, "Other");
Decode func = new Decode();
String r = func.exec(t1);
assertTrue(r.equals("Engineering"));
r = func.exec(t2);
assertTrue(r.equals("Other"));
r = func.exec(t3);
assertTrue(r==null);
try {
r = func.exec(t4);
fail("Exception not triggered");
} catch (IOException e) {
assertTrue(e.getMessage().equals("Decode : Encounter null in the input"));
}
}
}