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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
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*/
package org.apache.pig.test;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.*;
import org.apache.pig.LoadFunc;
import org.apache.pig.impl.io.ReadToEndLoader;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
import static org.mockito.Mockito.*;
import java.io.IOException;
import java.util.Arrays;
public class TestReadToEndLoader {
@Test
public void testIsReaderForLastSplitClosed() throws Exception {
final LoadFunc loadFunc = mock(LoadFunc.class);
final InputFormat inputFormat = mock(InputFormat.class);
final RecordReader recordReader = mock(RecordReader.class);
final InputSplit inputSplit = mock(InputSplit.class);
// Define behavior
when(loadFunc.getInputFormat()).thenReturn(inputFormat);
when(inputFormat.createRecordReader(
any(InputSplit.class), any(TaskAttemptContext.class))).thenReturn(recordReader);
when(inputFormat.getSplits(any(JobContext.class))).thenReturn(Arrays.asList(inputSplit));
Configuration conf = new Configuration();
ReadToEndLoader loader = new ReadToEndLoader(loadFunc, conf, "loc", 0);
// This will return null since we haven't specified any behavior for this method
Assert.assertNull(loader.getNext());
// Verify that RecordReader.close for the last input split is called once
verify(recordReader, times(1)).close();
}
}