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More on the HPFS in-place NPOIFS write tests, and a note about what is still to do for them 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1590319 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2014-04-26 22:50:00 +00:00
parent 813a43f2e5
commit 7b134ca25a
3 changed files with 54 additions and 4 deletions
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4
src/java/org/apache/poi/poifs/nio/FileBackedDataSource.java
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@ -31,6 +31,10 @@ import org.apache.poi.util.IOUtils;
/**
* A POIFS {@link DataSource} backed by a File
*
* TODO - Return the ByteBuffers in such a way that in RW mode,
* changes to the buffer end up on the disk (will fix the HPSF TestWrite
* currently failing unit test when done)
*/
public class FileBackedDataSource extends DataSource {
private FileChannel channel;

53
src/testcases/org/apache/poi/hpsf/basic/TestWrite.java
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@ -17,8 +17,10 @@
package org.apache.poi.hpsf.basic;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@ -65,6 +67,7 @@ import org.apache.poi.poifs.filesystem.DirectoryEntry;
import org.apache.poi.poifs.filesystem.DocumentNode;
import org.apache.poi.poifs.filesystem.NDocumentInputStream;
import org.apache.poi.poifs.filesystem.NDocumentOutputStream;
import org.apache.poi.poifs.filesystem.NPOIFSDocument;
import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.util.CodePageUtil;
@ -830,16 +833,17 @@ public class TestWrite
// Open the copy in read/write mode
fs = new NPOIFSFileSystem(copy);
fs = new NPOIFSFileSystem(copy, false);
root = fs.getRoot();
// Read the properties in there
sinfDoc = (DocumentNode)root.getEntry(SummaryInformation.DEFAULT_STREAM_NAME);
dinfDoc = (DocumentNode)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
sinf = (SummaryInformation)PropertySetFactory.create(new NDocumentInputStream(sinfDoc));
assertEquals(131077, sinf.getOSVersion());
dinfDoc = (DocumentNode)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
dinf = (DocumentSummaryInformation)PropertySetFactory.create(new NDocumentInputStream(dinfDoc));
assertEquals(131077, dinf.getOSVersion());
@ -853,7 +857,45 @@ public class TestWrite
assertEquals(null, dinf.getManager());
// Have them write themselves in-place with no changes
// Do an in-place replace via an InputStream
new NPOIFSDocument(sinfDoc).replaceContents(sinf.toInputStream());
new NPOIFSDocument(dinfDoc).replaceContents(dinf.toInputStream());
// Check it didn't get changed
sinfDoc = (DocumentNode)root.getEntry(SummaryInformation.DEFAULT_STREAM_NAME);
dinfDoc = (DocumentNode)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
sinf = (SummaryInformation)PropertySetFactory.create(new NDocumentInputStream(sinfDoc));
assertEquals(131077, sinf.getOSVersion());
dinf = (DocumentSummaryInformation)PropertySetFactory.create(new NDocumentInputStream(dinfDoc));
assertEquals(131077, dinf.getOSVersion());
// Start again!
fs.close();
inp = _samples.openResourceAsStream("TestShiftJIS.doc");
out = new FileOutputStream(copy);
IOUtils.copy(inp, out);
inp.close();
out.close();
fs = new NPOIFSFileSystem(copy, false);
root = fs.getRoot();
// Read the properties in once more
sinfDoc = (DocumentNode)root.getEntry(SummaryInformation.DEFAULT_STREAM_NAME);
dinfDoc = (DocumentNode)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
sinf = (SummaryInformation)PropertySetFactory.create(new NDocumentInputStream(sinfDoc));
assertEquals(131077, sinf.getOSVersion());
dinf = (DocumentSummaryInformation)PropertySetFactory.create(new NDocumentInputStream(dinfDoc));
assertEquals(131077, dinf.getOSVersion());
// Have them write themselves in-place with no changes, as an OutputStream
sinf.write(new NDocumentOutputStream(sinfDoc));
dinf.write(new NDocumentOutputStream(dinfDoc));
@ -868,7 +910,10 @@ public class TestWrite
sinfDoc = (DocumentNode)root.getEntry(SummaryInformation.DEFAULT_STREAM_NAME);
dinfDoc = (DocumentNode)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
// TODO
byte[] sinfData = IOUtils.toByteArray(new NDocumentInputStream(sinfDoc));
byte[] dinfData = IOUtils.toByteArray(new NDocumentInputStream(dinfDoc));
assertThat(sinfBytes.toByteArray(), equalTo(sinfData));
assertThat(dinfBytes.toByteArray(), equalTo(dinfData));
// Read back in as-is

1
src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSMiniStore.java
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@ -28,6 +28,7 @@ import org.apache.poi.poifs.common.POIFSConstants;
/**
* Tests for the Mini Store in the NIO POIFS
*/
@SuppressWarnings("resource")
public final class TestNPOIFSMiniStore extends TestCase {
private static final POIDataSamples _inst = POIDataSamples.getPOIFSInstance();