/**
* 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* 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.bigtop.itest.datafu.numbers;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.List;
import org.apache.pig.data.Tuple;
import org.apache.pig.pigunit.PigTest;
import org.junit.Test;
import org.apache.bigtop.itest.datafu.PigTests;
public class NumberTests extends PigTests
{
/**
* Test the RandomIntRange UDF. The main purpose is to make sure it can be used in a Pig script.
* Also the range of output values is tested.
*
* @throws Exception
*/
@Test
public void randomIntRangeTest() throws Exception
{
PigTest test = createPigTest("datafu/numbers/randomIntRangeTest.pig",
"MIN=1", "MAX=10");
List<String> input = new ArrayList<String>();
for (int i=0; i<100; i++)
{
input.add(String.format("(%d)", i));
}
writeLinesToFile("input",
input.toArray(new String[0]));
test.runScript();
List<Tuple> tuples = getLinesForAlias(test, "data2", false);
for (Tuple tuple : tuples)
{
Integer randValue = (Integer)tuple.get(1);
assertTrue(randValue >= 1);
assertTrue(randValue <= 10);
}
}
}