// Copyright (C) 2011-2012 CRS4.
//
// This file is part of Seal.
//
// Seal is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// Seal is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with Seal. If not, see <http://www.gnu.org/licenses/>.
package tests.it.crs4.seal.recab;
import it.crs4.seal.common.IMRContext;
import it.crs4.seal.common.TestContext;
import it.crs4.seal.recab.RecabTable;
import it.crs4.seal.recab.RecabTableCombiner;
import it.crs4.seal.recab.ObservationCount;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.Text;
import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.junit.*;
import static org.junit.Assert.*;
public class TestRecabTableCombiner
{
private RecabTableCombiner combiner;
private TestContext<Text, ObservationCount> context;
private Configuration conf;
@Before
public void setup()
{
conf = new Configuration();
context = new TestContext<Text, ObservationCount>();
combiner = new RecabTableCombiner();
combiner.setup(conf);
}
@Test
public void testSimpleReduce() throws IOException, InterruptedException
{
Text key = TestRecabTableMapper.prepKey("rg", "30", "1", "AG");
List<ObservationCount> values = Arrays.asList( new ObservationCount(3,1) );
combiner.reduce(key, values, context);
Set<Text> keys = context.getKeys();
assertEquals(1, keys.size());
assertEquals(key, keys.iterator().next());
List<ObservationCount> emittedValues = context.getAllValues();
assertEquals(1, emittedValues.size());
ObservationCount output = emittedValues.get(0);
assertEquals(3, output.getObservations());
assertEquals(1, output.getMismatches());
}
@Test
public void testReduceMoreObs() throws IOException, InterruptedException
{
Text key = TestRecabTableMapper.prepKey("rg", "30", "1", "AG");
List<ObservationCount> values = Arrays.asList(
new ObservationCount(43,5),
new ObservationCount(34,10),
new ObservationCount(23,5) );
combiner.reduce(key, values, context);
Set<Text> keys = context.getKeys();
assertEquals(1, keys.size());
assertEquals(key, keys.iterator().next());
List<ObservationCount> emittedValues = context.getAllValues();
assertEquals(1, emittedValues.size());
ObservationCount output = emittedValues.get(0);
assertEquals(43+34+23, output.getObservations());
assertEquals(5+10+5, output.getMismatches());
}
public static void main(String args[]) {
org.junit.runner.JUnitCore.main(TestRecabTableReducer.class.getName());
}
}