/**
* 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.pig;
import static org.junit.Assert.assertEquals;
import java.sql.Types;
import java.util.ArrayList;
import org.junit.Test;
import co.nubetech.hiho.common.HIHOException;
import co.nubetech.hiho.mapreduce.lib.db.ColumnInfo;
import co.nubetech.hiho.mapreduce.lib.db.GenericDBWritable;
public class TestPigUtility {
@Test
public void testGetColumnType() throws HIHOException {
assertEquals("int", PigUtility.getColumnType(Types.INTEGER));
assertEquals("long", PigUtility.getColumnType(Types.BIGINT));
assertEquals("float", PigUtility.getColumnType(Types.FLOAT));
assertEquals("double", PigUtility.getColumnType(Types.DOUBLE));
assertEquals("chararray", PigUtility.getColumnType(Types.CHAR));
assertEquals("bytearray", PigUtility.getColumnType(Types.BINARY));
assertEquals("bytearray", PigUtility.getColumnType(Types.BLOB));
assertEquals("bytearray", PigUtility.getColumnType(Types.CLOB));
try {
PigUtility.getColumnType(Types.DATALINK);
} catch (HIHOException h) {
// ok
}
}
@Test
public void testGetColumns() throws HIHOException {
ColumnInfo intColumn = new ColumnInfo(0, Types.INTEGER, "intColumn");
ColumnInfo stringColumn = new ColumnInfo(1, Types.VARCHAR,
"stringColumn");
ArrayList<ColumnInfo> columns = new ArrayList<ColumnInfo>();
columns.add(intColumn);
columns.add(stringColumn);
GenericDBWritable writable = new GenericDBWritable(columns, null);
assertEquals("intColumn:int,stringColumn:chararray",
PigUtility.getColumns(writable));
}
@Test
public void testGetLoadScript() throws HIHOException {
ColumnInfo intColumn = new ColumnInfo(0, Types.INTEGER, "intColumn");
ColumnInfo stringColumn = new ColumnInfo(1, Types.VARCHAR,
"stringColumn");
ArrayList<ColumnInfo> columns = new ArrayList<ColumnInfo>();
columns.add(intColumn);
columns.add(stringColumn);
GenericDBWritable writable = new GenericDBWritable(columns, null);
assertEquals(
"A = LOAD '/home/sgoyal/output' USING PigStorage(',') AS (intColumn:int,stringColumn:chararray);",
PigUtility.getLoadScript("/home/sgoyal/output", writable));
}
}