/*
* 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.util;
import java.util.HashSet;
import java.util.Set;
import junit.framework.Assert;
import org.apache.pig.data.DataBag;
import org.apache.pig.data.Tuple;
import org.apache.pig.data.TupleFactory;
import org.apache.pig.piggybank.evaluation.util.ToBag;
import org.apache.pig.piggybank.evaluation.util.ToTuple;
import org.junit.Test;
public class TestToBagToTuple {
@Test
public void toBag() throws Exception{
ToBag tb = new ToBag();
Tuple input = TupleFactory.getInstance().newTuple();
for (int i = 0; i < 100; ++i) {
input.append(i);
}
Set<Integer> s = new HashSet<Integer>();
DataBag db = tb.exec(input);
for (Tuple t : db) {
s.add((Integer) t.get(0));
}
// finally check the bag had everything we put in the tuple.
Assert.assertEquals(100, s.size());
for (int i = 0; i < 100; ++i) {
Assert.assertTrue(s.contains(i));
}
}
@Test
public void toTuple() throws Exception{
ToTuple tb = new ToTuple();
Tuple input = TupleFactory.getInstance().newTuple();
for (int i = 0; i < 100; ++i) {
input.append(i);
}
Tuple output = tb.exec(input);
Assert.assertFalse(input == output);
Assert.assertEquals(input, output);
}
}