/*
* Copyright (C) 2012-2013, Robin Rosenberg <robin.rosenberg@dewire.com>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.treewalk;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.ResetCommand.ResetType;
import org.eclipse.jgit.dircache.DirCache;
import org.eclipse.jgit.dircache.DirCacheEditor;
import org.eclipse.jgit.dircache.DirCacheEntry;
import org.eclipse.jgit.dircache.DirCacheIterator;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.ObjectInserter;
import org.eclipse.jgit.util.FS;
import org.eclipse.jgit.util.FileUtils;
import org.junit.Test;
public class FileTreeIteratorJava7Test extends RepositoryTestCase {
@Test
public void testFileModeSymLinkIsNotATree() throws IOException {
org.junit.Assume.assumeTrue(FS.DETECTED.supportsSymlinks());
FS fs = db.getFS();
// mål = target in swedish, just to get som unicode in here
writeTrashFile("mål/data", "targetdata");
fs.createSymLink(new File(trash, "länk"), "mål");
FileTreeIterator fti = new FileTreeIterator(db);
assertFalse(fti.eof());
assertEquals("länk", fti.getEntryPathString());
assertEquals(FileMode.SYMLINK, fti.getEntryFileMode());
fti.next(1);
assertFalse(fti.eof());
assertEquals("mål", fti.getEntryPathString());
assertEquals(FileMode.TREE, fti.getEntryFileMode());
fti.next(1);
assertTrue(fti.eof());
}
@Test
public void testSymlinkNotModifiedThoughNormalized() throws Exception {
DirCache dc = db.lockDirCache();
DirCacheEditor dce = dc.editor();
final String UNNORMALIZED = "target/";
final byte[] UNNORMALIZED_BYTES = Constants.encode(UNNORMALIZED);
try (ObjectInserter oi = db.newObjectInserter()) {
final ObjectId linkid = oi.insert(Constants.OBJ_BLOB,
UNNORMALIZED_BYTES, 0, UNNORMALIZED_BYTES.length);
dce.add(new DirCacheEditor.PathEdit("link") {
@Override
public void apply(DirCacheEntry ent) {
ent.setFileMode(FileMode.SYMLINK);
ent.setObjectId(linkid);
ent.setLength(UNNORMALIZED_BYTES.length);
}
});
assertTrue(dce.commit());
}
try (Git git = new Git(db)) {
git.commit().setMessage("Adding link").call();
git.reset().setMode(ResetType.HARD).call();
DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
FileTreeIterator fti = new FileTreeIterator(db);
// self-check
assertEquals("link", fti.getEntryPathString());
assertEquals("link", dci.getEntryPathString());
// test
assertFalse(fti.isModified(dci.getDirCacheEntry(), true,
db.newObjectReader()));
}
}
/**
* Like #testSymlinkNotModifiedThoughNormalized but there is no
* normalization being done.
*
* @throws Exception
*/
@Test
public void testSymlinkModifiedNotNormalized() throws Exception {
DirCache dc = db.lockDirCache();
DirCacheEditor dce = dc.editor();
final String NORMALIZED = "target";
final byte[] NORMALIZED_BYTES = Constants.encode(NORMALIZED);
try (ObjectInserter oi = db.newObjectInserter()) {
final ObjectId linkid = oi.insert(Constants.OBJ_BLOB,
NORMALIZED_BYTES, 0, NORMALIZED_BYTES.length);
dce.add(new DirCacheEditor.PathEdit("link") {
@Override
public void apply(DirCacheEntry ent) {
ent.setFileMode(FileMode.SYMLINK);
ent.setObjectId(linkid);
ent.setLength(NORMALIZED_BYTES.length);
}
});
assertTrue(dce.commit());
}
try (Git git = new Git(db)) {
git.commit().setMessage("Adding link").call();
git.reset().setMode(ResetType.HARD).call();
DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
FileTreeIterator fti = new FileTreeIterator(db);
// self-check
assertEquals("link", fti.getEntryPathString());
assertEquals("link", dci.getEntryPathString());
// test
assertFalse(fti.isModified(dci.getDirCacheEntry(), true,
db.newObjectReader()));
}
}
/**
* Like #testSymlinkNotModifiedThoughNormalized but here the link is
* modified.
*
* @throws Exception
*/
@Test
public void testSymlinkActuallyModified() throws Exception {
org.junit.Assume.assumeTrue(FS.DETECTED.supportsSymlinks());
final String NORMALIZED = "target";
final byte[] NORMALIZED_BYTES = Constants.encode(NORMALIZED);
try (ObjectInserter oi = db.newObjectInserter()) {
final ObjectId linkid = oi.insert(Constants.OBJ_BLOB,
NORMALIZED_BYTES, 0, NORMALIZED_BYTES.length);
DirCache dc = db.lockDirCache();
DirCacheEditor dce = dc.editor();
dce.add(new DirCacheEditor.PathEdit("link") {
@Override
public void apply(DirCacheEntry ent) {
ent.setFileMode(FileMode.SYMLINK);
ent.setObjectId(linkid);
ent.setLength(NORMALIZED_BYTES.length);
}
});
assertTrue(dce.commit());
}
try (Git git = new Git(db)) {
git.commit().setMessage("Adding link").call();
git.reset().setMode(ResetType.HARD).call();
FileUtils.delete(new File(trash, "link"), FileUtils.NONE);
FS.DETECTED.createSymLink(new File(trash, "link"), "newtarget");
DirCacheIterator dci = new DirCacheIterator(db.readDirCache());
FileTreeIterator fti = new FileTreeIterator(db);
// self-check
assertEquals("link", fti.getEntryPathString());
assertEquals("link", dci.getEntryPathString());
// test
assertTrue(fti.isModified(dci.getDirCacheEntry(), true,
db.newObjectReader()));
}
}
}