/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.hadoop.hive.ql.udf;
import java.sql.Date;
import java.sql.Timestamp;
import junit.framework.TestCase;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDFDate;
import org.apache.hadoop.hive.serde2.io.DateWritable;
import org.apache.hadoop.hive.serde2.io.TimestampWritable;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
import org.apache.hadoop.io.Text;
public class TestGenericUDFDate extends TestCase {
public void testStringToDate() throws HiveException {
GenericUDFDate udf = new GenericUDFDate();
ObjectInspector valueOI = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
ObjectInspector[] arguments = {valueOI};
udf.initialize(arguments);
DeferredObject valueObj = new DeferredJavaObject(new Text("2009-07-30"));
DeferredObject[] args = {valueObj};
Text output = (Text) udf.evaluate(args);
assertEquals("to_date() test for STRING failed ", "2009-07-30", output.toString());
// Try with null args
DeferredObject[] nullArgs = { new DeferredJavaObject(null) };
output = (Text) udf.evaluate(nullArgs);
assertNull("to_date() with null STRING", output);
}
public void testTimestampToDate() throws HiveException {
GenericUDFDate udf = new GenericUDFDate();
ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableTimestampObjectInspector;
ObjectInspector[] arguments = {valueOI};
udf.initialize(arguments);
DeferredObject valueObj = new DeferredJavaObject(new TimestampWritable(new Timestamp(109, 06,
30, 4, 17, 52, 0)));
DeferredObject[] args = {valueObj};
Text output = (Text) udf.evaluate(args);
assertEquals("to_date() test for TIMESTAMP failed ", "2009-07-30", output.toString());
// Try with null args
DeferredObject[] nullArgs = { new DeferredJavaObject(null) };
output = (Text) udf.evaluate(nullArgs);
assertNull("to_date() with null TIMESTAMP", output);
}
public void testDateWritablepToDate() throws HiveException {
GenericUDFDate udf = new GenericUDFDate();
ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableDateObjectInspector;
ObjectInspector[] arguments = {valueOI};
udf.initialize(arguments);
DeferredObject valueObj = new DeferredJavaObject(new DateWritable(new Date(109, 06, 30)));
DeferredObject[] args = {valueObj};
Text output = (Text) udf.evaluate(args);
assertEquals("to_date() test for DATEWRITABLE failed ", "2009-07-30", output.toString());
// Try with null args
DeferredObject[] nullArgs = { new DeferredJavaObject(null) };
output = (Text) udf.evaluate(nullArgs);
assertNull("to_date() with null DATE", output);
}
}