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Add a (disabled) failing unit test on heavily nested NPOIFS copies, found working on #56791

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1678764 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2015-05-11 14:58:43 +00:00
parent 2df3bef375
commit 89890a247a
1 changed files with 50 additions and 4 deletions
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54
src/testcases/org/apache/poi/poifs/filesystem/TestFileSystemBugs.java
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@ -17,6 +17,9 @@
package org.apache.poi.poifs.filesystem;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
@ -30,6 +33,7 @@ import org.apache.poi.POIDataSamples;
*/
public final class TestFileSystemBugs extends TestCase {
protected static POIDataSamples _samples = POIDataSamples.getPOIFSInstance();
protected static POIDataSamples _ssSamples = POIDataSamples.getSpreadSheetInstance();
protected List<NPOIFSFileSystem> openedFSs;
protected void tearDown() throws Exception {
@ -45,15 +49,25 @@ public final class TestFileSystemBugs extends TestCase {
openedFSs = null;
}
protected DirectoryNode[] openSample(String name, boolean oldFails) throws Exception {
NPOIFSFileSystem nfs = new NPOIFSFileSystem(
_samples.openResourceAsStream(name));
return openSamples(new InputStream[] {
_samples.openResourceAsStream(name),
_samples.openResourceAsStream(name)
}, oldFails);
}
protected DirectoryNode[] openSSSample(String name, boolean oldFails) throws Exception {
return openSamples(new InputStream[] {
_ssSamples.openResourceAsStream(name),
_ssSamples.openResourceAsStream(name)
}, oldFails);
}
protected DirectoryNode[] openSamples(InputStream[] inps, boolean oldFails) throws Exception {
NPOIFSFileSystem nfs = new NPOIFSFileSystem(inps[0]);
if (openedFSs == null) openedFSs = new ArrayList<NPOIFSFileSystem>();
openedFSs.add(nfs);
POIFSFileSystem ofs = null;
try {
ofs = new POIFSFileSystem(
_samples.openResourceAsStream(name));
ofs = new POIFSFileSystem(inps[1]);
if (oldFails) fail("POIFSFileSystem should have failed but didn't");
} catch (Exception e) {
if (!oldFails) throw e;
@ -107,4 +121,36 @@ public final class TestFileSystemBugs extends TestCase {
assertEquals(42, root.getEntryCount());
}
}
/**
* With heavily nested documents, ensure we still re-write the same
*/
public void IGNOREDtestHeavilyNestedReWrite() throws Exception {
for (DirectoryNode root : openSSSample("ex42570-20305.xls", false)) {
// TODO Record the structure
// Prepare to copy
DirectoryNode dest;
if (root.getNFileSystem() != null) {
dest = (new NPOIFSFileSystem()).getRoot();
} else {
dest = (new OPOIFSFileSystem()).getRoot();
}
// Copy over
EntryUtils.copyNodes(root, dest);
// Re-load, always as NPOIFS
ByteArrayOutputStream baos = new ByteArrayOutputStream();
if (root.getNFileSystem() != null) {
root.getNFileSystem().writeFilesystem(baos);
} else {
root.getOFileSystem().writeFilesystem(baos);
}
NPOIFSFileSystem read = new NPOIFSFileSystem(
new ByteArrayInputStream(baos.toByteArray()));
// TODO Check the structure matches
}
}
}