/**
* 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.merge;
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;
import co.nubetech.hiho.dedup.HihoTuple;
public class TestMergeKeyMapper {
@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(MergeRecordCounter.BAD_RECORD);
when(context.getCounter(MergeRecordCounter.BAD_RECORD)).thenReturn(
counter);
MergeKeyMapper mapper = new MergeKeyMapper();
Text val = new Text("valueOfKey");
mapper.map(null, val, context);
}
@Test
public final void testMapperValidValues() throws IOException,
InterruptedException {
Mapper.Context context = mock(Mapper.Context.class);
Counters counters = new Counters();
Counter counter = counters
.findCounter(MergeRecordCounter.TOTAL_RECORDS_NEW);
when(context.getCounter(MergeRecordCounter.TOTAL_RECORDS_NEW))
.thenReturn(counter);
MergeKeyMapper mapper = new MergeKeyMapper();
Text key = new Text("abc123");
Text val = new Text("valueOfKey");
mapper.isOld = false;
mapper.map(key, val, context);
HihoValue hihoValue = new HihoValue();
hihoValue.setVal(val);
hihoValue.setIsOld(false);
HihoTuple hihoTuple = new HihoTuple();
hihoTuple.setKey(key);
verify(context).write(hihoTuple, hihoValue);
assertEquals(1, context
.getCounter(MergeRecordCounter.TOTAL_RECORDS_NEW).getValue());
}
/*@Test
public final void testSetUp() throws IOException, InterruptedException {
Mapper.Context context = mock(Mapper.Context.class);
MergeKeyMapper mapper = new MergeKeyMapper();
when(context.getInputSplit())
.thenReturn(
new FileSplit(new Path("old"), 2l, 14l,
new String[] { "user" }));
mapper.setup(context);
}*/
}