/**
* Copyright 2011 Nube Technologies
*
* Licensed 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 co.nubetech.hiho.dedup;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.IOException;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Counter;
import org.apache.hadoop.mapreduce.Counters;
import org.apache.hadoop.mapreduce.Mapper;
import org.junit.Test;
public class TestDedupKeyMapper {
@Test
public final void testMapperValidValues() throws IOException,
InterruptedException {
Mapper.Context context = mock(Mapper.Context.class);
Counters counters = new Counters();
Counter counter = counters
.findCounter(DedupRecordCounter.TOTAL_RECORDS_READ);
when(context.getCounter(DedupRecordCounter.TOTAL_RECORDS_READ))
.thenReturn(counter);
DedupKeyMapper<Text, String> mapper = new DedupKeyMapper<Text, String>();
Text key = new Text("abc123");
String val = "valueOfKey";
mapper.map(key, val, context);
HihoTuple<Text> hihoTuple = new HihoTuple<Text>();
hihoTuple.setKey(key);
verify(context).write(hihoTuple, val);
assertEquals(1,
context.getCounter(DedupRecordCounter.TOTAL_RECORDS_READ)
.getValue());
}
@Test(expected = IOException.class)
public final void testMapperForNullKeyValue() throws IOException,
InterruptedException {
Mapper.Context context = mock(Mapper.Context.class);
Counters counters = new Counters();
Counter counter = counters.findCounter(DedupRecordCounter.BAD_RECORD);
when(context.getCounter(DedupRecordCounter.BAD_RECORD)).thenReturn(
counter);
DedupKeyMapper mapper = new DedupKeyMapper();
String val = "valueOfKey";
mapper.map(null, val, context);
}
}