/**
* 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.generic;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF;
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.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
import org.apache.hadoop.io.Text;
import junit.framework.TestCase;
public class TestGenericUDFInitCap extends TestCase {
public void testInitCap() throws HiveException {
GenericUDFInitCap udf = new GenericUDFInitCap();
ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
ObjectInspector[] arguments = { valueOI };
udf.initialize(arguments);
runAndVerify(" hello World! ", " Hello World! ", udf);
runAndVerify("helLo world! ", "Hello World! ", udf);
runAndVerify("hello world!", "Hello World!", udf);
runAndVerify(" \t\r\nhello \t\r\nworld! \t\r\n", " \t\r\nHello \t\r\nWorld! \t\r\n", udf);
runAndVerify("Hello World!", "Hello World!", udf);
runAndVerify(" ", " ", udf);
}
private void runAndVerify(String str, String expResult, GenericUDF udf) throws HiveException {
DeferredObject valueObj = new DeferredJavaObject(new Text(str));
DeferredObject[] args = { valueObj };
Text output = (Text) udf.evaluate(args);
assertEquals("initcap() test ", expResult, output.toString());
}
}