/**
* 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.mapreduce;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.IOException;
import java.sql.Time;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Date;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;
import org.junit.Test;
import co.nubetech.hiho.common.HIHOConf;
import co.nubetech.hiho.mapreduce.lib.db.ColumnInfo;
import co.nubetech.hiho.mapreduce.lib.db.GenericDBWritable;
public class TestDBInputDelimMapper {
@Test
public final void testMapperValidValues() throws IOException,
InterruptedException {
Mapper.Context context = mock(Mapper.Context.class);
Configuration conf = new Configuration();
conf.set(HIHOConf.INPUT_OUTPUT_DELIMITER, ",");
when(context.getConfiguration()).thenReturn(conf);
DBInputDelimMapper mapper = new DBInputDelimMapper();
ColumnInfo intColumn = new ColumnInfo(0, Types.INTEGER, "intColumn");
ColumnInfo stringColumn = new ColumnInfo(1, Types.VARCHAR,
"stringColumn");
ColumnInfo dateColumn = new ColumnInfo(1, Types.DATE, "dateColumn");
ColumnInfo longColumn = new ColumnInfo(1, Types.BIGINT, "longColumn");
ColumnInfo booleanColumn = new ColumnInfo(1, Types.BOOLEAN,
"booleanColumn");
ColumnInfo doubleColumn = new ColumnInfo(1, Types.DOUBLE,
"doubleColumn");
ColumnInfo charColumn = new ColumnInfo(1, Types.CHAR, "charColumn");
ColumnInfo timeColumn = new ColumnInfo(1, Types.TIME, "timeColumn");
ColumnInfo timeStampColumn = new ColumnInfo(1, Types.TIMESTAMP,
"timeStampColumn");
ColumnInfo floatColumn = new ColumnInfo(1, Types.FLOAT, "floatColumn");
ArrayList<ColumnInfo> columns = new ArrayList<ColumnInfo>();
columns.add(intColumn);
columns.add(stringColumn);
columns.add(dateColumn);
columns.add(longColumn);
columns.add(booleanColumn);
columns.add(doubleColumn);
columns.add(charColumn);
columns.add(timeColumn);
columns.add(timeStampColumn);
columns.add(floatColumn);
ArrayList<Comparable> values = new ArrayList<Comparable>();
values.add(new Integer(12));
values.add(new String("sam"));
values.add(new Date());
values.add(new Long(26564l));
values.add(true);
values.add(1.235);
values.add('a');
values.add(new Time(new Date().getTime()));
values.add(new Time(new Date().getTime()));
values.add(new Float(1.0f));
GenericDBWritable val = new GenericDBWritable(columns, values);
LongWritable key = new LongWritable(1);
mapper.map(key, val, context);
Text outkey = new Text();
Text outval = new Text();
StringBuilder builder = new StringBuilder();
builder.append(new Integer(12) + "," + new String("sam") + ","
+ new Date() + "," + new Long(26564l) + "," + true + ","
+ 1.235 + "," + 'a' + "," + new Time(new Date().getTime())
+ "," + new Time(new Date().getTime()) + "," + new Float(1.0f));
outval.set(builder.toString());
verify(context).write(outkey, outval);
}
@Test
public final void testMapperValidValuesDelmiter() throws IOException,
InterruptedException {
Mapper.Context context = mock(Mapper.Context.class);
Configuration conf = new Configuration();
String delimiter = "DELIM";
conf.set(HIHOConf.INPUT_OUTPUT_DELIMITER, delimiter);
when(context.getConfiguration()).thenReturn(conf);
DBInputDelimMapper mapper = new DBInputDelimMapper();
ColumnInfo intColumn = new ColumnInfo(0, Types.INTEGER, "intColumn");
ColumnInfo stringColumn = new ColumnInfo(1, Types.VARCHAR,
"stringColumn");
ColumnInfo dateColumn = new ColumnInfo(1, Types.DATE, "dateColumn");
ColumnInfo longColumn = new ColumnInfo(1, Types.BIGINT, "longColumn");
ColumnInfo booleanColumn = new ColumnInfo(1, Types.BOOLEAN,
"booleanColumn");
ColumnInfo doubleColumn = new ColumnInfo(1, Types.DOUBLE,
"doubleColumn");
ColumnInfo charColumn = new ColumnInfo(1, Types.CHAR, "charColumn");
ColumnInfo timeColumn = new ColumnInfo(1, Types.TIME, "timeColumn");
ColumnInfo timeStampColumn = new ColumnInfo(1, Types.TIMESTAMP,
"timeStampColumn");
ColumnInfo floatColumn = new ColumnInfo(1, Types.FLOAT, "floatColumn");
ArrayList<ColumnInfo> columns = new ArrayList<ColumnInfo>();
columns.add(intColumn);
columns.add(stringColumn);
columns.add(dateColumn);
columns.add(longColumn);
columns.add(booleanColumn);
columns.add(doubleColumn);
columns.add(charColumn);
columns.add(timeColumn);
columns.add(timeStampColumn);
columns.add(floatColumn);
ArrayList<Comparable> values = new ArrayList<Comparable>();
values.add(new Integer(12));
values.add(new String("sam"));
values.add(new Date());
values.add(new Long(26564l));
values.add(true);
values.add(1.235);
values.add('a');
values.add(new Time(new Date().getTime()));
values.add(new Time(new Date().getTime()));
values.add(new Float(1.0f));
GenericDBWritable val = new GenericDBWritable(columns, values);
LongWritable key = new LongWritable(1);
mapper.map(key, val, context);
Text outkey = new Text();
Text outval = new Text();
StringBuilder builder = new StringBuilder();
builder.append(new Integer(12) + delimiter + new String("sam") + delimiter
+ new Date() + delimiter + new Long(26564l) + delimiter + true + delimiter
+ 1.235 + delimiter + 'a' + delimiter + new Time(new Date().getTime())
+ delimiter + new Time(new Date().getTime()) + delimiter + new Float(1.0f));
outval.set(builder.toString());
verify(context).write(outkey, outval);
}
@Test
public final void testMapperNullValues() throws IOException,
InterruptedException {
Mapper.Context context = mock(Mapper.Context.class);
Configuration conf = new Configuration();
conf.set(HIHOConf.INPUT_OUTPUT_DELIMITER, ",");
when(context.getConfiguration()).thenReturn(conf);
DBInputDelimMapper mapper = new DBInputDelimMapper();
ArrayList<ColumnInfo> columns = new ArrayList<ColumnInfo>();
ArrayList values = new ArrayList();
GenericDBWritable val = new GenericDBWritable(columns, values);
LongWritable key = new LongWritable(1);
mapper.map(key, val, context);
Text outkey = new Text();
Text outval = new Text();
verify(context).write(outkey, outval);
}
}