org.zuinnote.hadoop.office.format.mapreduce.OfficeFormatHadoopExcelLowFootPrintSAXTest.java Source code

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/**
* Copyright 2016 ZuInnoTe (Jrn Franke) <zuinnote@gmail.com>
*
* Licensed 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.zuinnote.hadoop.office.format.mapreduce;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.File;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.List;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.ArrayWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.InputSplit;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.JobContext;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.RecordReader;
import org.apache.hadoop.mapreduce.RecordWriter;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import org.apache.hadoop.mapreduce.TaskAttemptID;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.mapreduce.task.JobContextImpl;
import org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.zuinnote.hadoop.office.format.common.dao.SpreadSheetCellDAO;

/**
 * @author jornfranke
 *
 */
public class OfficeFormatHadoopExcelLowFootPrintSAXTest {
    private static Configuration defaultConf = new Configuration();
    private static FileSystem localFs = null;
    private static final String attempt = "attempt_201612311111_0001_m_000000_0";
    private static final String taskAttempt = "task_201612311111_0001_m_000000";
    private static final TaskAttemptID taskID = TaskAttemptID.forName(attempt);
    private static final String tmpPrefix = "hadoopofficetest";
    private static final String outputbaseAppendix = "-m-00000";
    private static java.nio.file.Path tmpPath;

    @BeforeAll
    public static void oneTimeSetUp() throws IOException {
        // one-time initialization code
        defaultConf.set("fs.defaultFS", "file:///");
        localFs = FileSystem.getLocal(defaultConf);
        // create temp directory
        tmpPath = Files.createTempDirectory(tmpPrefix);

        // create shutdown hook to remove temp files after shutdown, may need to rethink
        // to avoid many threads are created
        Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    Files.walkFileTree(tmpPath, new SimpleFileVisitor<java.nio.file.Path>() {

                        @Override
                        public FileVisitResult visitFile(java.nio.file.Path file, BasicFileAttributes attrs)
                                throws IOException {
                            Files.delete(file);
                            return FileVisitResult.CONTINUE;
                        }

                        @Override
                        public FileVisitResult postVisitDirectory(java.nio.file.Path dir, IOException e)
                                throws IOException {
                            if (e == null) {
                                Files.delete(dir);
                                return FileVisitResult.CONTINUE;
                            }
                            throw e;
                        }
                    });
                } catch (IOException e) {
                    throw new RuntimeException(
                            "Error temporary files in following path could not be deleted " + tmpPath, e);
                }
            }
        }));
        // workaround for Apache POI 4.0
        System.setProperty("org.apache.xml.security.ignoreLineBreaks", "true");
    }

    @AfterAll
    public static void oneTimeTearDown() {
        // one-time cleanup code
    }

    @BeforeEach
    public void setUp() {
    }

    @AfterEach
    public void tearDown() {
    }

    @Test
    public void readExcelInputFormatExcel2013MultiSheetHeaderLowFootPrint()
            throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "multisheetheader.xlsx";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);
        // set locale to the one of the test data
        conf.set("hadoopoffice.locale.bcp47", "us");
        conf.set("hadoopoffice.read.header.read", "true");
        conf.set("hadoopoffice.read.header.skipheaderinallsheets", "true");
        conf.set("hadoopoffice.read.lowFootprint", "true");

        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        assertEquals("column1", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[0],
                " header column 1 correctly read");
        assertEquals("column2", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[1],
                " header column 2 correctly read");
        assertEquals("column3", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[2],
                " header column 3 correctly read");
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();

        // First Sheet
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A2 = \"1\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B2 = \"test1\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C2 = \"10\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C2", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A3 = \"2\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B3 = \"test3\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B3", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("15", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C3 = \"15\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");

        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A4 = \"10\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A4", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B4 = \"test2\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B4", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("20", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C4 = \"20\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C4", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");

        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1 (Second Sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("50", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A2 = \"50\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B2 = \"test1\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("80", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C2 = \"80\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C2", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");

        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2 (Second Sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("60", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A3 = \"60\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B3 = \"test3\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B3", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("90", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C3 = \"90\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");

        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3 (Second Sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("70", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A4 = \"70\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A4", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B4 = \"test2\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B4", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("10000", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "C4 = \"10000\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C4", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");
        assertFalse(reader.nextKeyValue(), "Input Split for Excel file contains no further row");
    }

    @Test
    public void readExcelInputFormatExcel2013MultiSheetHeaderRegExLowFootprint()
            throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "multisheetheader.xlsx";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "us");
        conf.set("hadoopoffice.read.header.read", "true");
        conf.set("hadoopoffice.read.header.skipheaderinallsheets", "true");
        conf.set("hadoopoffice.read.header.column.names.regex", "column");
        conf.set("hadoopoffice.read.header.column.names.replace", "spalte");
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);

        assertEquals("spalte1", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[0],
                " header column 1 correctly read");
        assertEquals("spalte2", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[1],
                " header column 2 correctly read");
        assertEquals("spalte3", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[2],
                " header column 3 correctly read");
    }

    @Test
    public void readExcelInputFormatExcel2003SingleSheetLowFootPrint() throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2003test.xls";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[excel2003test.xls]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[excel2003test.xls]Sheet1!A1\"");
        assertEquals(4, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 4 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(),
                "Input Split for Excel file contains row 1 with cell 1 sheetname == \"Sheet1\"");
        assertEquals("A1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(),
                "Input Split for Excel file contains row 1 with cell 1 address == \"A1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertEquals("test4", ((SpreadSheetCellDAO) spreadSheetValue.get()[3]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 4 == \"test4\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 2 with 1 column");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 2 with cell 1 == \"4\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(5, spreadSheetValue.get().length, "Input Split for Excel file contains row 3 with 5 columns");
        assertEquals("31/12/99", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"31/12/99\"");
        assertEquals("5", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"5\"");
        assertNull(spreadSheetValue.get()[2], "Input Split for Excel file contains row 3 with cell 3 == null");
        assertNull(spreadSheetValue.get()[3], "Input Split for Excel file contains row 3 with cell 4 == null");
        assertEquals("null", ((SpreadSheetCellDAO) spreadSheetValue.get()[4]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 5 == \"null\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 4 with 1 column");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 4 with cell 1 == \"1\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 5");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 5 with 3 columns");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 1 == \"2\"");
        assertEquals("6", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 2== \"6\"");
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 3== \"10\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 6");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 6 with 3 columns");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 1 == \"3\"");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 2== \"4\"");
        assertEquals("15", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 3== \"15\"");
    }

    @Test
    public void readExcelInputFormatExcel2003MultiSheetAllLowFootPrint() throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2003testmultisheet.xls";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[excel2003testmultisheet.xls]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[excel2003testmultisheet.xls]Sheet1!A1\"");
        assertEquals(4, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 4 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(),
                "Input Split for Excel file contains row 1 with cell 1 sheetname == \"Sheet1\"");
        assertEquals("A1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(),
                "Input Split for Excel file contains row 1 with cell 1 address == \"A1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertEquals("test4", ((SpreadSheetCellDAO) spreadSheetValue.get()[3]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 4 == \"test4\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 2 with 1 column");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 2 with cell 1 == \"4\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(5, spreadSheetValue.get().length, "Input Split for Excel file contains row 3 with 5 columns");
        assertEquals("31/12/99", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"31/12/99\"");
        assertEquals("5", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"5\"");
        assertNull(spreadSheetValue.get()[2], "Input Split for Excel file contains row 3 with cell 3 == null");
        assertNull(spreadSheetValue.get()[3], "Input Split for Excel file contains row 3 with cell 4 == null");
        assertEquals("null", ((SpreadSheetCellDAO) spreadSheetValue.get()[4]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 5 == \"null\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 4 with 1 column");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 4 with cell 1 == \"1\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 5 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 5 with 3 columns");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 1 == \"2\"");
        assertEquals("6", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 2== \"6\"");
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 3== \"10\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 6 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 6 with 3 columns");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 1 == \"3\"");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 2== \"4\"");
        assertEquals("15", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 3== \"15\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 7 (second sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("8", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 7 with cell 1 == \"8\"");
        assertEquals("99", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 7 with cell 2 == \"99\"");
        assertEquals(2, spreadSheetValue.get().length, "Input Split for Excel file contains row 7 with 2 columns");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 8 (second sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 8 with 1 column");
        assertEquals("test", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 8 with cell 1 == \"test\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 9 (second sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 9 with 3 columns");
        assertNull(spreadSheetValue.get()[0], "Input Split for Excel file contains row 9 with cell 1 == null");
        assertNull(spreadSheetValue.get()[1], "Input Split for Excel file contains row 9 with cell 2 == null");
        assertEquals("seven", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 9 with cell 3 == \"seven\"");
    }

    @Test
    public void readExcelInputFormatExcel2013SingleSheetLowFootPrint() throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2013test.xlsx";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[excel2013test.xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[excel2013test.xlsx]Sheet1!A1\"");
        assertEquals(4, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 4 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(),
                "Input Split for Excel file contains row 1 with cell 1 sheetname == \"Sheet1\"");
        assertEquals("A1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(),
                "Input Split for Excel file contains row 1 with cell 1 address == \"A1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertEquals("test4", ((SpreadSheetCellDAO) spreadSheetValue.get()[3]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 4 == \"test4\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 2 with 1 column");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 2 with cell 1 == \"4\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(5, spreadSheetValue.get().length, "Input Split for Excel file contains row 3 with 5 columns");
        assertEquals("31/12/99", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"31/12/99\"");
        assertEquals("5", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"5\"");
        assertNull(spreadSheetValue.get()[2], "Input Split for Excel file contains row 3 with cell 3 == null");
        assertNull(spreadSheetValue.get()[3], "Input Split for Excel file contains row 3 with cell 4 == null");
        assertEquals("null", ((SpreadSheetCellDAO) spreadSheetValue.get()[4]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 5 == \"null\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 4 with 1 column");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 4 with cell 1 == \"1\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 5");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 5 with 3 columns");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 1 == \"2\"");
        assertEquals("6", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 2== \"6\"");
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 3== \"10\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 6");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 6 with 3 columns");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 1 == \"3\"");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 2== \"4\"");
        assertEquals("15", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 3== \"15\"");
    }

    @Test
    public void readExcelInputFormatExcel2013MultiSheetAllLowFootPrint() throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2013testmultisheet.xlsx";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[excel2013testmultisheet.xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[excel2013testmultisheet.xlsx]Sheet1!A1\"");
        assertEquals(4, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 4 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(),
                "Input Split for Excel file contains row 1 with cell 1 sheetname == \"Sheet1\"");
        assertEquals("A1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(),
                "Input Split for Excel file contains row 1 with cell 1 address == \"A1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertEquals("test4", ((SpreadSheetCellDAO) spreadSheetValue.get()[3]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 4 == \"test4\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 2 with 1 column");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 2 with cell 1 == \"4\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(5, spreadSheetValue.get().length, "Input Split for Excel file contains row 3 with 5 columns");
        assertEquals("31/12/99", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"31/12/99\"");
        assertEquals("5", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"5\"");
        assertNull(spreadSheetValue.get()[2], "Input Split for Excel file contains row 3 with cell 3 == null");
        assertNull(spreadSheetValue.get()[3], "Input Split for Excel file contains row 3 with cell 4 == null");
        assertEquals("null", ((SpreadSheetCellDAO) spreadSheetValue.get()[4]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 5 == \"null\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 4 with 1 column");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 4 with cell 1 == \"1\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 5 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 5 with 3 columns");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 1 == \"2\"");
        assertEquals("6", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 2== \"6\"");
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 3== \"10\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 6 (first sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 6 with 3 columns");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 1 == \"3\"");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 2== \"4\"");
        assertEquals("15", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 3== \"15\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 7 (second sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("8", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 7 with cell 1 == \"8\"");
        assertEquals("99", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 7 with cell 2 == \"99\"");
        assertEquals(2, spreadSheetValue.get().length, "Input Split for Excel file contains row 7 with 2 columns");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 8 (second sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 8 with 1 column");
        assertEquals("test", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 8 with cell 1 == \"test\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 9 (second sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 9 with 3 columns");
        assertNull(spreadSheetValue.get()[0], "Input Split for Excel file contains row 9 with cell 1 == null");
        assertNull(spreadSheetValue.get()[1], "Input Split for Excel file contains row 9 with cell 2 == null");
        assertEquals("seven", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 9 with cell 3 == \"seven\"");
    }

    @Test
    public void readExcelInputFormatExcel2003SingleSheetEncryptedPositiveLowFootprint()
            throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2003encrypt.xls";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");

        // for decryption simply set the password
        conf.set("hadoopoffice.read.security.crypt.password", "test");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[excel2003encrypt.xls]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[excel2003encrypt.xls]Sheet1!A1\"");
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 3 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(),
                "Input Split for Excel file contains row 1 with cell 1 sheetname == \"Sheet1\"");
        assertEquals("A1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(),
                "Input Split for Excel file contains row 1 with cell 1 address == \"A1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
    }

    @Test
    public void readExcelInputFormatExcel2003SingleSheetEncryptedNegativeLowFootprint()
            throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2003encrypt.xls";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        // for decryption simply set the password
        conf.set("hadoopoffice.read.security.crypt.password", "test2");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);

        InterruptedException ex = assertThrows(InterruptedException.class,
                () -> reader.initialize(splits.get(0), context), "Exception is thrown in case of wrong password");
    }

    @Test
    public void readExcelInputFormatExcel2013SingleSheetEncryptedNegativeLowFootprint()
            throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2013encrypt.xlsx";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        // for decryption simply set the password
        conf.set("hadoopoffice.read.security.crypt.password", "test2");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        InterruptedException ex = assertThrows(InterruptedException.class,
                () -> reader.initialize(splits.get(0), context), "Exception is thrown in case of wrong password");
    }

    @Test
    public void readExcelInputFormatExcel2013SingleSheetEncryptedPositiveLowFootprint()
            throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2013encrypt.xlsx";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        // for decryption simply set the password
        conf.set("hadoopoffice.read.security.crypt.password", "test");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[excel2013encrypt.xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[excel2013encrypt.xlsx]Sheet1!A1\"");
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 3 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(),
                "Input Split for Excel file contains row 1 with cell 1 sheetname == \"Sheet1\"");
        assertEquals("A1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(),
                "Input Split for Excel file contains row 1 with cell 1 address == \"A1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
    }

    @Test
    public void readExcelInputFormatExcel2003EmptyRowsLowFootprint() throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2003testemptyrows.xls";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[excel2003testemptyrows.xls]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[excel2003testemptyrows.xls]Sheet1!A1\"");
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 0 columns");

        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(2, spreadSheetValue.get().length, "Input Split for Excel file contains row 2 with 2 columns");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 2 with cell 1 == \"4\"");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 2 with cell 1 == \"1\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contains row 3 with 0 columns");

        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 4 with 1 column");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 4 with cell 1 == \"1\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 5");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 5 with 3 columns");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 1 == \"2\"");
        assertEquals("6", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 2== \"6\"");
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 3== \"10\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 6");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 6 with 3 columns");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 1 == \"3\"");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 2== \"4\"");
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 3== \"10\"");
    }

    @Test
    public void readExcelInputFormatExcel2013EmptyRowsLowFootprint() throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "excel2013testemptyrows.xlsx";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[excel2013testemptyrows.xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[excel2013testemptyrows.xlsx]Sheet1!A1\"");
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 0 columns");

        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(2, spreadSheetValue.get().length, "Input Split for Excel file contains row 2 with 2 columns");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 2 with cell 1 == \"4\"");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 2 with cell 1 == \"1\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contains row 3 with 0 columns");

        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contains row 4 with 1 column");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 4 with cell 1 == \"1\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 5");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 5 with 3 columns");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 1 == \"2\"");
        assertEquals("6", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 2== \"6\"");
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 5 with cell 3== \"10\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 6");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 6 with 3 columns");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 1 == \"3\"");
        assertEquals("4", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 2== \"4\"");
        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 6 with cell 3== \"10\"");
    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetLowFootprint() throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");
        // empty row => nothing todo
        // one row numbers (1,2,3)
        SpreadSheetCellDAO a3 = new SpreadSheetCellDAO("", "", "1", "A3", "Sheet1");
        SpreadSheetCellDAO b3 = new SpreadSheetCellDAO("", "", "2", "B3", "Sheet1");
        SpreadSheetCellDAO c3 = new SpreadSheetCellDAO("", "", "3", "C3", "Sheet1");
        // one row formulas (=A3+B3)
        SpreadSheetCellDAO a4 = new SpreadSheetCellDAO("", "", "A3+B3", "A4", "Sheet1");
        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestout";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // Excel
        // format,
        // anyway
        // default,
        // but
        // here
        // for
        // illustrative
        // purposes
        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        // set generic outputformat settings
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.write(null, a3);
        writer.write(null, b3);
        writer.write(null, c3);
        writer.write(null, a4);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        FileInputFormat.setInputPaths(job, inputFile);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[" + fileName + ".xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[" + fileName + ".xlsx]Sheet1!A1\"");
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 3 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contain row 2 and is empty");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contain row 3 with 3 columns");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"1\"");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"2\"");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 3 == \"3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contain row 4 with 1 column");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"3\"");
    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetEncryptedPositiveLowFootprint()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");
        // empty row => nothing todo
        // one row numbers (1,2,3)
        SpreadSheetCellDAO a3 = new SpreadSheetCellDAO("", "", "1", "A3", "Sheet1");
        SpreadSheetCellDAO b3 = new SpreadSheetCellDAO("", "", "2", "B3", "Sheet1");
        SpreadSheetCellDAO c3 = new SpreadSheetCellDAO("", "", "3", "C3", "Sheet1");
        // one row formulas (=A3+B3)
        SpreadSheetCellDAO a4 = new SpreadSheetCellDAO("", "", "A3+B3", "A4", "Sheet1");
        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestoutencryptedpositivelowfootprint";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);
        // set generic outputformat settings
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // excel
        // format
        // security
        // for the new Excel format you need to decide on your own which algorithms are
        // secure
        conf.set("hadoopoffice.write.security.crypt.encrypt.mode", "agile");
        conf.set("hadoopoffice.write.security.crypt.encrypt.algorithm", "aes256");
        conf.set("hadoopoffice.write.security.crypt.chain.mode", "cbc");
        conf.set("hadoopoffice.write.security.crypt.hash.algorithm", "sha512");
        conf.set("hadoopoffice.write.security.crypt.password", "test");
        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.write(null, a3);
        writer.write(null, b3);
        writer.write(null, c3);
        writer.write(null, a4);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        // you just need to provide the password to read encrypted data
        conf.set("hadoopoffice.read.security.crypt.password", "test");
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[" + fileName + ".xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[" + fileName + ".xlsx]Sheet1!A1\"");
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 3 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contain row 2 and is empty");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contain row 3 with 3 columns");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"1\"");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"2\"");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 3 == \"3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contain row 4 with 1 column");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"3\"");
    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetEncryptedNegativeLowFootprint()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");
        // empty row => nothing todo
        // one row numbers (1,2,3)
        SpreadSheetCellDAO a3 = new SpreadSheetCellDAO("", "", "1", "A3", "Sheet1");
        SpreadSheetCellDAO b3 = new SpreadSheetCellDAO("", "", "2", "B3", "Sheet1");
        SpreadSheetCellDAO c3 = new SpreadSheetCellDAO("", "", "3", "C3", "Sheet1");
        // one row formulas (=A3+B3)
        SpreadSheetCellDAO a4 = new SpreadSheetCellDAO("", "", "A3+B3", "A4", "Sheet1");
        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();
        String fileName = "excel2013singlesheettestoutencryptednegativelowfootprint";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        FileOutputFormat.setOutputPath(job, outputPath);
        conf.set("mapreduce.output.basename", fileName);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // excel
        // format
        // security
        // for the new Excel format you need to decide on your own which algorithms are
        // secure
        conf.set("hadoopoffice.write.security.crypt.encrypt.mode", "agile");
        conf.set("hadoopoffice.write.security.crypt.encrypt.algorithm", "aes256");
        conf.set("hadoopoffice.write.security.crypt.chain.mode", "cbc");
        conf.set("hadoopoffice.write.security.crypt.hash.algorithm", "sha512");
        conf.set("hadoopoffice.write.security.crypt.password", "test");
        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.write(null, a3);
        writer.write(null, b3);
        writer.write(null, c3);
        writer.write(null, a4);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        FileInputFormat.setInputPaths(job, inputFile);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        // you just need to provide the password to read encrypted data
        conf.set("hadoopoffice.read.security.crypt.password", "test2");
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        TaskAttemptContext context2 = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context2);

        InterruptedException ex = assertThrows(InterruptedException.class,
                () -> reader.initialize(splits.get(0), context2), "Exception is thrown in case of wrong password");
    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetSignedPositive()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");
        // empty row => nothing todo
        // one row numbers (1,2,3)
        SpreadSheetCellDAO a3 = new SpreadSheetCellDAO("", "", "1", "A3", "Sheet1");
        SpreadSheetCellDAO b3 = new SpreadSheetCellDAO("", "", "2", "B3", "Sheet1");
        SpreadSheetCellDAO c3 = new SpreadSheetCellDAO("", "", "3", "C3", "Sheet1");
        // one row formulas (=A3+B3)
        SpreadSheetCellDAO a4 = new SpreadSheetCellDAO("", "", "A3+B3", "A4", "Sheet1");
        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestoutsignedpositive";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // Excel
        // format,
        // anyway
        // default,
        // but
        // here
        // for
        // illustrative
        // purposes
        /// signature
        String pkFileName = "testsigning.pfx"; // private key
        ClassLoader classLoader = getClass().getClassLoader();
        String fileNameKeyStore = classLoader.getResource(pkFileName).getFile();

        conf.set("hadoopoffice.write.security.sign.keystore.file", fileNameKeyStore);
        conf.set("hadoopoffice.write.security.sign.keystore.type", "PKCS12");
        conf.set("hadoopoffice.write.security.sign.keystore.password", "changeit");
        conf.set("hadoopoffice.write.security.sign.keystore.alias", "testalias");
        conf.set("hadoopoffice.write.security.sign.hash.algorithm", "sha512");
        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        // set generic outputformat settings
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.write(null, a3);
        writer.write(null, b3);
        writer.write(null, c3);
        writer.write(null, a4);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        FileInputFormat.setInputPaths(job, inputFile);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        conf.set("hadoopoffice.read.security.sign.verifysignature", "true");
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[" + fileName + ".xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[" + fileName + ".xlsx]Sheet1!A1\"");
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 3 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contain row 2 and is empty");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contain row 3 with 3 columns");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"1\"");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"2\"");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 3 == \"3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contain row 4 with 1 column");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"3\"");
    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetLowFootprintSignedPositive()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");
        // empty row => nothing todo
        // one row numbers (1,2,3)
        SpreadSheetCellDAO a3 = new SpreadSheetCellDAO("", "", "1", "A3", "Sheet1");
        SpreadSheetCellDAO b3 = new SpreadSheetCellDAO("", "", "2", "B3", "Sheet1");
        SpreadSheetCellDAO c3 = new SpreadSheetCellDAO("", "", "3", "C3", "Sheet1");
        // one row formulas (=A3+B3)
        SpreadSheetCellDAO a4 = new SpreadSheetCellDAO("", "", "A3+B3", "A4", "Sheet1");
        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestoutsignedpositive";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // Excel
        // format,
        // anyway
        // default,
        // but
        // here
        // for
        // illustrative
        // purposes
        /// signature
        String pkFileName = "testsigning.pfx"; // private key
        ClassLoader classLoader = getClass().getClassLoader();
        String fileNameKeyStore = classLoader.getResource(pkFileName).getFile();

        conf.set("hadoopoffice.write.security.sign.keystore.file", fileNameKeyStore);
        conf.set("hadoopoffice.write.security.sign.keystore.type", "PKCS12");
        conf.set("hadoopoffice.write.security.sign.keystore.password", "changeit");
        conf.set("hadoopoffice.write.security.sign.keystore.alias", "testalias");
        conf.set("hadoopoffice.write.security.sign.hash.algorithm", "sha512");
        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        // set generic outputformat settings
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.write(null, a3);
        writer.write(null, b3);
        writer.write(null, c3);
        writer.write(null, a4);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        FileInputFormat.setInputPaths(job, inputFile);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        conf.set("hadoopoffice.read.security.sign.verifysignature", "true");
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[" + fileName + ".xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[" + fileName + ".xlsx]Sheet1!A1\"");
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 3 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contain row 2 and is empty");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contain row 3 with 3 columns");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"1\"");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"2\"");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 3 == \"3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contain row 4 with 1 column");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"3\"");
    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetLowFootprintSignedNegative()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");
        // empty row => nothing todo
        // one row numbers (1,2,3)
        SpreadSheetCellDAO a3 = new SpreadSheetCellDAO("", "", "1", "A3", "Sheet1");
        SpreadSheetCellDAO b3 = new SpreadSheetCellDAO("", "", "2", "B3", "Sheet1");
        SpreadSheetCellDAO c3 = new SpreadSheetCellDAO("", "", "3", "C3", "Sheet1");
        // one row formulas (=A3+B3)
        SpreadSheetCellDAO a4 = new SpreadSheetCellDAO("", "", "A3+B3", "A4", "Sheet1");
        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestoutsignednegative";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // Excel
        // format,
        // anyway
        // default,
        // but
        // here
        // for
        // illustrative
        // purposes

        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        // set generic outputformat settings
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.write(null, a3);
        writer.write(null, b3);
        writer.write(null, c3);
        writer.write(null, a4);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        FileInputFormat.setInputPaths(job, inputFile);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        conf.set("hadoopoffice.read.security.sign.verifysignature", "true"); // will fail no signature present
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        TaskAttemptContext context2 = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context2);
        InterruptedException ex = assertThrows(InterruptedException.class,
                () -> reader.initialize(splits.get(0), context2),
                "Exception is thrown in case signature cannot be verified");

    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetEncryptedPositiveLowFootprintSignedPositive()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");
        // empty row => nothing todo
        // one row numbers (1,2,3)
        SpreadSheetCellDAO a3 = new SpreadSheetCellDAO("", "", "1", "A3", "Sheet1");
        SpreadSheetCellDAO b3 = new SpreadSheetCellDAO("", "", "2", "B3", "Sheet1");
        SpreadSheetCellDAO c3 = new SpreadSheetCellDAO("", "", "3", "C3", "Sheet1");
        // one row formulas (=A3+B3)
        SpreadSheetCellDAO a4 = new SpreadSheetCellDAO("", "", "A3+B3", "A4", "Sheet1");
        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestoutencryptedpositivelowfootprintsignedpositive";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);
        // set generic outputformat settings
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // excel
        // format
        // security
        // for the new Excel format you need to decide on your own which algorithms are
        // secure
        conf.set("hadoopoffice.write.security.crypt.encrypt.mode", "agile");
        conf.set("hadoopoffice.write.security.crypt.encrypt.algorithm", "aes256");
        conf.set("hadoopoffice.write.security.crypt.chain.mode", "cbc");
        conf.set("hadoopoffice.write.security.crypt.hash.algorithm", "sha512");
        conf.set("hadoopoffice.write.security.crypt.password", "test");
        /// signature
        String pkFileName = "testsigning.pfx"; // private key
        ClassLoader classLoader = getClass().getClassLoader();
        String fileNameKeyStore = classLoader.getResource(pkFileName).getFile();

        conf.set("hadoopoffice.write.security.sign.keystore.file", fileNameKeyStore);
        conf.set("hadoopoffice.write.security.sign.keystore.type", "PKCS12");
        conf.set("hadoopoffice.write.security.sign.keystore.password", "changeit");
        conf.set("hadoopoffice.write.security.sign.keystore.alias", "testalias");
        conf.set("hadoopoffice.write.security.sign.hash.algorithm", "sha512");
        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.write(null, a3);
        writer.write(null, b3);
        writer.write(null, c3);
        writer.write(null, a4);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        // you just need to provide the password to read encrypted data
        conf.set("hadoopoffice.read.security.crypt.password", "test");
        conf.set("hadoopoffice.read.security.sign.verifysignature", "true");
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[" + fileName + ".xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[" + fileName + ".xlsx]Sheet1!A1\"");
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 3 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(0, spreadSheetValue.get().length, "Input Split for Excel file contain row 2 and is empty");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contain row 3 with 3 columns");
        assertEquals("1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"1\"");
        assertEquals("2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 2 == \"2\"");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 3 == \"3\"");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 4");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals(1, spreadSheetValue.get().length, "Input Split for Excel file contain row 4 with 1 column");
        assertEquals("3", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 3 with cell 1 == \"3\"");
    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetEncryptedPositiveLowFootprintSignedNegative()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");
        // empty row => nothing todo
        // one row numbers (1,2,3)
        SpreadSheetCellDAO a3 = new SpreadSheetCellDAO("", "", "1", "A3", "Sheet1");
        SpreadSheetCellDAO b3 = new SpreadSheetCellDAO("", "", "2", "B3", "Sheet1");
        SpreadSheetCellDAO c3 = new SpreadSheetCellDAO("", "", "3", "C3", "Sheet1");
        // one row formulas (=A3+B3)
        SpreadSheetCellDAO a4 = new SpreadSheetCellDAO("", "", "A3+B3", "A4", "Sheet1");
        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestoutencryptedpositivelowfootprintsignednegative";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);
        // set generic outputformat settings
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // excel
        // format
        // security
        // for the new Excel format you need to decide on your own which algorithms are
        // secure
        conf.set("hadoopoffice.write.security.crypt.encrypt.mode", "agile");
        conf.set("hadoopoffice.write.security.crypt.encrypt.algorithm", "aes256");
        conf.set("hadoopoffice.write.security.crypt.chain.mode", "cbc");
        conf.set("hadoopoffice.write.security.crypt.hash.algorithm", "sha512");
        conf.set("hadoopoffice.write.security.crypt.password", "test");

        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.write(null, a3);
        writer.write(null, b3);
        writer.write(null, c3);
        writer.write(null, a4);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");
        // you just need to provide the password to read encrypted data
        conf.set("hadoopoffice.read.security.crypt.password", "test");
        conf.set("hadoopoffice.read.security.sign.verifysignature", "true"); // will fail because does not contain
        // signature
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        TaskAttemptContext context2 = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context2);
        InterruptedException ex = assertThrows(InterruptedException.class,
                () -> reader.initialize(splits.get(0), context2),
                "Exception is thrown in case signature cannot be verified");
    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetLowFootprintSignedPositiveReadLowFootprint()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");

        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestoutsignedpositivereadlowfootprint";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // Excel
        // format,
        // anyway
        // default,
        // but
        // here
        // for
        // illustrative
        // purposes
        /// signature
        String pkFileName = "testsigning.pfx"; // private key
        ClassLoader classLoader = getClass().getClassLoader();
        String fileNameKeyStore = classLoader.getResource(pkFileName).getFile();

        conf.set("hadoopoffice.write.security.sign.keystore.file", fileNameKeyStore);
        conf.set("hadoopoffice.write.security.sign.keystore.type", "PKCS12");
        conf.set("hadoopoffice.write.security.sign.keystore.password", "changeit");
        conf.set("hadoopoffice.write.security.sign.keystore.alias", "testalias");
        conf.set("hadoopoffice.write.security.sign.hash.algorithm", "sha512");
        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        // set generic outputformat settings
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        FileInputFormat.setInputPaths(job, inputFile);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        conf.set("hadoopoffice.read.security.sign.verifysignature", "true");
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("[" + fileName + ".xlsx]Sheet1!A1", spreadSheetKey.toString(),
                "Input Split for Excel file has keyname == \"[" + fileName + ".xlsx]Sheet1!A1\"");
        assertEquals(3, spreadSheetValue.get().length, "Input Split for Excel file contains row 1 with 3 columns");
        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 1 == \"test1\"");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 2 == \"test2\"");
        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(),
                "Input Split for Excel file contains row 1 with cell 3 == \"test3\"");

    }

    @Test
    public void writeExcelOutputFormatExcel2013SingleSheetLowFootprintSignedNegativeReadLowFootprint()
            throws IOException, InterruptedException {
        // one row string and three columns ("test1","test2","test3")
        // (String formattedValue, String comment, String formula, String address,String
        // sheetName)
        SpreadSheetCellDAO a1 = new SpreadSheetCellDAO("test1", "", "", "A1", "Sheet1");
        SpreadSheetCellDAO b1 = new SpreadSheetCellDAO("test2", "", "", "B1", "Sheet1");
        SpreadSheetCellDAO c1 = new SpreadSheetCellDAO("test3", "", "", "C1", "Sheet1");

        // write
        Job job = Job.getInstance();
        Configuration conf = job.getConfiguration();

        String fileName = "excel2013singlesheettestoutsignednegativereadlowfootprint";
        String tmpDir = tmpPath.toString();
        Path outputPath = new Path(tmpDir);
        conf.set("mapreduce.output.basename", fileName);

        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.write.lowFootprint", "true");
        conf.set("hadoopoffice.write.mimeType",
                "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); // new
        // Excel
        // format,
        // anyway
        // default,
        // but
        // here
        // for
        // illustrative
        // purposes

        conf.set(MRJobConfig.TASK_ATTEMPT_ID, attempt);
        conf.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID, 0);
        conf.setInt(FileOutputCommitter.FILEOUTPUTCOMMITTER_ALGORITHM_VERSION, 1);
        FileOutputFormat.setOutputPath(job, outputPath);
        JobContext jContext = new JobContextImpl(conf, taskID.getJobID());

        TaskAttemptContext context = new TaskAttemptContextImpl(conf, taskID);
        FileOutputCommitter committer = new FileOutputCommitter(outputPath, context);
        // setup
        committer.setupJob(jContext);
        committer.setupTask(context);
        // set generic outputformat settings
        ExcelFileOutputFormat outputFormat = new ExcelFileOutputFormat();
        RecordWriter<NullWritable, SpreadSheetCellDAO> writer = outputFormat.getRecordWriter(context);
        assertNotNull(writer, "Format returned  null RecordWriter");
        writer.write(null, a1);
        writer.write(null, b1);
        writer.write(null, c1);
        writer.close(context);
        committer.commitTask(context);
        // try to read it again
        conf = new Configuration(defaultConf);
        job = Job.getInstance(conf);
        fileName = fileName + this.outputbaseAppendix;
        Path inputFile = new Path(tmpDir + File.separator + "_temporary" + File.separator + "0" + File.separator
                + taskAttempt + File.separator + fileName + ".xlsx");
        FileInputFormat.setInputPaths(job, inputFile);
        // set locale to the one of the test data
        conf.set("hadoopoffice.read.locale.bcp47", "de");

        // low footprint
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        conf.set("hadoopoffice.read.security.sign.verifysignature", "true"); // will fail because no signature provided
        ExcelFileInputFormat inputFormat = new ExcelFileInputFormat();
        FileInputFormat.setInputPaths(job, inputFile);
        TaskAttemptContext context2 = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        List<InputSplit> splits = inputFormat.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = inputFormat.createRecordReader(splits.get(0), context2);
        InterruptedException ex = assertThrows(InterruptedException.class,
                () -> reader.initialize(splits.get(0), context2),
                "Exception is thrown in case signature cannot be verified");

    }

    @Test
    public void readExcelInputFormatExcel2013MultiSheetSkipWithHeaderLowFootprint()
            throws IOException, InterruptedException {
        Configuration conf = new Configuration(defaultConf);
        ClassLoader classLoader = getClass().getClassLoader();
        String fileName = "skipsheet.xlsx";
        String fileNameSpreadSheet = classLoader.getResource(fileName).getFile();
        Path file = new Path(fileNameSpreadSheet);
        // set locale to the one of the test data
        conf.set("hadoopoffice.locale.bcp47", "us");
        conf.set("hadoopoffice.read.header.read", "true");
        conf.set("hadoopoffice.read.header.skipheaderinallsheets", "true");
        conf.set("hadoopoffice.read.sheet.skiplines.num", "5");
        conf.set("hadoopoffice.read.sheet.skiplines.allsheets", "true");
        conf.set("hadoopoffice.read.lowFootprint", "true");
        conf.set("hadoopoffice.read.lowFootprint.parser", "sax");
        Job job = Job.getInstance(conf);
        FileInputFormat.setInputPaths(job, file);
        TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
        ExcelFileInputFormat format = new ExcelFileInputFormat();
        List<InputSplit> splits = format.getSplits(job);
        assertEquals(1, splits.size(), "Only one split generated for Excel file");
        RecordReader<Text, ArrayWritable> reader = format.createRecordReader(splits.get(0), context);
        assertNotNull(reader, "Format returned  null RecordReader");
        reader.initialize(splits.get(0), context);
        assertEquals("column1", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[0],
                " header column 1 correctly read");
        assertEquals("column2", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[1],
                " header column 2 correctly read");
        assertEquals("column3", ((ExcelRecordReader) reader).getOfficeReader().getCurrentParser().getHeader()[2],
                " header column 3 correctly read");
        Text spreadSheetKey = new Text();
        ArrayWritable spreadSheetValue = new ArrayWritable(SpreadSheetCellDAO.class);
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        // First Sheet
        assertEquals("20", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A7 = \"20\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A7", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");
        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B7 = \"test2\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B7", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");
        assertEquals("5", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C7 = \"5\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C7", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("30", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A8 = \"30\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A8", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B8 = \"test1\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B8", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("10", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C8 = \"10\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C8", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("40", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A9 = \"40\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A9", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B9 = \"test3\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B9", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("15", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C9 = \"15\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C9", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet1", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 1 (Second Sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("90", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A7 = \"90\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A7", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B7 = \"test2\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B7", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("230", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C7 = \"230\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C7", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 2 (Second Sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("200", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A8 = \"200\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A8", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test1", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B8 = \"test1\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B8", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("240", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C8 = \"240\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C8", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");
        assertTrue(reader.nextKeyValue(), "Input Split for Excel file contains row 3 (Second Sheet)");
        spreadSheetKey = reader.getCurrentKey();
        spreadSheetValue = reader.getCurrentValue();
        assertEquals("101", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormattedValue(), "A9 = \"101\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getFormula(), "Empty formula");
        assertEquals("A9", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[0]).getSheetName(), "Correct sheet");

        assertEquals("test3", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormattedValue(),
                "B9 = \"test3\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getFormula(), "Empty formula");
        assertEquals("B9", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[1]).getSheetName(), "Correct sheet");

        assertEquals("250", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormattedValue(), "C9 = \"250\"");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getComment(), "Empty Comment");
        assertEquals("", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getFormula(), "Empty formula");
        assertEquals("C9", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getAddress(), "Correct address");
        assertEquals("Sheet2", ((SpreadSheetCellDAO) spreadSheetValue.get()[2]).getSheetName(), "Correct sheet");
        // third sheet is skipped because it does not contain enough rows
        assertFalse(reader.nextKeyValue(), "Input Split for Excel file contains no further row");
    }
}