apache-poi/src/testcases/org/apache/poi/hpsf/basic/TestBasic.java

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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
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package org.apache.poi.hpsf.basic;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.List;

import junit.framework.TestCase;

import org.apache.poi.POIDataSamples;
import org.apache.poi.hpsf.DocumentSummaryInformation;
import org.apache.poi.hpsf.HPSFException;
import org.apache.poi.hpsf.MarkUnsupportedException;
import org.apache.poi.hpsf.NoPropertySetStreamException;
import org.apache.poi.hpsf.PropertySet;
import org.apache.poi.hpsf.PropertySetFactory;
import org.apache.poi.hpsf.Section;
import org.apache.poi.hpsf.SummaryInformation;
import org.apache.poi.hpsf.wellknown.SectionIDMap;

/**
 * <p>Tests the basic HPSF functionality.</p>
 *
 * @author Rainer Klute (klute@rainer-klute.de)
 */
public final class TestBasic extends TestCase {

    private static final String POI_FS = "TestGermanWord90.doc";
    private static final String[] POI_FILES = new String[]
        {
            "\005SummaryInformation",
            "\005DocumentSummaryInformation",
            "WordDocument",
            "\001CompObj",
            "1Table"
        };
    private static final int BYTE_ORDER = 0xfffe;
    private static final int FORMAT     = 0x0000;
    private static final int OS_VERSION = 0x00020A04;
    private static final byte[] CLASS_ID =
        {
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
        };
    private static final int[] SECTION_COUNT =
        {1, 2};
    private static final boolean[] IS_SUMMARY_INFORMATION =
        {true, false};
    private static final boolean[] IS_DOCUMENT_SUMMARY_INFORMATION =
        {false, true};

    private POIFile[] poiFiles;


    /**
     * <p>Read a the test file from the "data" directory.</p>
     *
     * @exception FileNotFoundException if the file to be read does not exist.
     * @exception IOException if any other I/O exception occurs.
     */
    public void setUp() throws IOException
    {
        POIDataSamples samples = POIDataSamples.getHPSFInstance();
        final File data = samples.getFile(POI_FS);
        poiFiles = Util.readPOIFiles(data);
    }

    /**
     * <p>Checks the names of the files in the POI filesystem. They
     * are expected to be in a certain order.</p>
     */
    public void testReadFiles()
    {
        String[] expected = POI_FILES;
        for (int i = 0; i < expected.length; i++)
            assertEquals(poiFiles[i].getName(), expected[i]);
    }

    /**
     * <p>Tests whether property sets can be created from the POI
     * files in the POI file system. This test case expects the first
     * file to be a {@link SummaryInformation}, the second file to be
     * a {@link DocumentSummaryInformation} and the rest to be no
     * property sets. In the latter cases a {@link
     * NoPropertySetStreamException} will be thrown when trying to
     * create a {@link PropertySet}.</p>
     *
     * @exception IOException if an I/O exception occurs.
     *
     * @exception UnsupportedEncodingException if a character encoding is not
     * supported.
     */
    public void testCreatePropertySets()
    throws UnsupportedEncodingException, IOException
    {
        Class<?>[] expected = new Class[]
            {
                SummaryInformation.class,
                DocumentSummaryInformation.class,
                NoPropertySetStreamException.class,
                NoPropertySetStreamException.class,
                NoPropertySetStreamException.class
            };
        for (int i = 0; i < expected.length; i++)
        {
            InputStream in = new ByteArrayInputStream(poiFiles[i].getBytes());
            Object o;
            try
            {
                o = PropertySetFactory.create(in);
            }
            catch (NoPropertySetStreamException ex)
            {
                o = ex;
            }
            catch (MarkUnsupportedException ex)
            {
                o = ex;
            }
            in.close();
            assertEquals(expected[i], o.getClass());
        }
    }

    /**
     * <p>Tests the {@link PropertySet} methods. The test file has two
     * property sets: the first one is a {@link SummaryInformation},
     * the second one is a {@link DocumentSummaryInformation}.</p>
     *
     * @exception IOException if an I/O exception occurs
     * @exception HPSFException if any HPSF exception occurs
     */
    public void testPropertySetMethods() throws IOException, HPSFException
    {
        /* Loop over the two property sets. */
        for (int i = 0; i < 2; i++)
        {
            byte[] b = poiFiles[i].getBytes();
            PropertySet ps =
                PropertySetFactory.create(new ByteArrayInputStream(b));
            assertEquals(ps.getByteOrder(), BYTE_ORDER);
            assertEquals(ps.getFormat(), FORMAT);
            assertEquals(ps.getOSVersion(), OS_VERSION);
            assertEquals(new String(ps.getClassID().getBytes()),
                                new String(CLASS_ID));
            assertEquals(ps.getSectionCount(), SECTION_COUNT[i]);
            assertEquals(ps.isSummaryInformation(),
                                IS_SUMMARY_INFORMATION[i]);
            assertEquals(ps.isDocumentSummaryInformation(),
                                IS_DOCUMENT_SUMMARY_INFORMATION[i]);
        }
    }

    /**
     * <p>Tests the {@link Section} methods. The test file has two
     * property sets: the first one is a {@link SummaryInformation},
     * the second one is a {@link DocumentSummaryInformation}.</p>
     *
     * @exception IOException if an I/O exception occurs
     * @exception HPSFException if any HPSF exception occurs
     */
    public void testSectionMethods() throws IOException, HPSFException
    {
        final SummaryInformation si = (SummaryInformation)
            PropertySetFactory.create(new ByteArrayInputStream
                (poiFiles[0].getBytes()));
        final List<Section> sections = si.getSections();
        final Section s = sections.get(0);
        assertTrue(org.apache.poi.hpsf.Util.equal
            (s.getFormatID().getBytes(), SectionIDMap.SUMMARY_INFORMATION_ID));
        assertNotNull(s.getProperties());
        assertEquals(17, s.getPropertyCount());
        assertEquals("Titel", s.getProperty(2));
        assertEquals(1764, s.getSize());
    }
}