/*
* 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.pig.impl.streaming;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import org.apache.pig.data.DataType;
import org.apache.pig.data.Tuple;
import org.apache.pig.data.TupleFactory;
import org.apache.pig.impl.io.BufferedPositionedInputStream;
import org.apache.pig.impl.logicalLayer.schema.Schema.FieldSchema;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class TestStreamingUDFOutputHandler {
TupleFactory tf = TupleFactory.getInstance();
@Test
public void testGetValue__noNewLine() throws Exception{
FieldSchema fs = new FieldSchema("", DataType.CHARARRAY);
String data = "a|_\n";
PigStreamingUDF deserializer = new PigStreamingUDF(fs);
OutputHandler outty = new StreamingUDFOutputHandler(deserializer);
outty.bindTo(null, getIn(data), 0, 0);
Tuple t = outty.getNext();
Assert.assertEquals(tf.newTuple("a"), t);
}
@Test
public void testGetValue__embeddedNewLine() throws Exception{
FieldSchema fs = new FieldSchema("", DataType.CHARARRAY);
String data = "abc\ndef\nghi\njkl|_\n";
PigStreamingUDF deserializer = new PigStreamingUDF(fs);
OutputHandler outty = new StreamingUDFOutputHandler(deserializer);
outty.bindTo(null, getIn(data), 0, 0);
Tuple t = outty.getNext();
Assert.assertEquals(tf.newTuple("abc\ndef\nghi\njkl"), t);
}
private BufferedPositionedInputStream getIn(String input) throws UnsupportedEncodingException {
InputStream stream = new ByteArrayInputStream(input.getBytes("UTF-8"));
BufferedPositionedInputStream result = new BufferedPositionedInputStream(stream);
return result;
}
}