forked from apache/hive
/
TestGenericUDFQuote.java
57 lines (53 loc) · 2.31 KB
/
TestGenericUDFQuote.java
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/*
* 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.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;
/**
* Source for TestGenericUDFQuote.
*/
public class TestGenericUDFQuote extends TestCase {
public TestGenericUDFQuote() {}
public void testQuote() throws HiveException {
GenericUDFQuote udf = new GenericUDFQuote();
ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
ObjectInspector[] arguments = {valueOI};
udf.initialize(arguments);
runAndVerify("", "''", udf);
runAndVerify(" ", "' '", udf);
runAndVerify("'", "'\\''", udf);
runAndVerify("DONT", "'DONT'", udf);
runAndVerify(" DON'T", "' DON\\'T'", udf);
runAndVerify("DON\\'T", "'DON\\\\'T'", 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);
if (expResult != null) {
assertEquals("quote() test ", expResult, output.toString());
} else {
assertNull("quote() test ", output.toString());
}
}
}