- /*
- * Copyright (C) 2008-2009, Google Inc.
- * 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.dircache;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertNotNull;
- import static org.junit.Assert.assertSame;
- import static org.junit.Assert.assertTrue;
-
- import java.io.File;
- import java.util.Collections;
-
- import org.eclipse.jgit.junit.JGitTestUtil;
- import org.eclipse.jgit.junit.RepositoryTestCase;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.treewalk.AbstractTreeIterator;
- import org.eclipse.jgit.treewalk.TreeWalk;
- import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
- import org.eclipse.jgit.util.FS;
- import org.junit.Test;
-
- public class DirCacheIteratorTest extends RepositoryTestCase {
- @Test
- public void testEmptyTree_NoTreeWalk() throws Exception {
- final DirCache dc = DirCache.newInCore();
- assertEquals(0, dc.getEntryCount());
-
- final DirCacheIterator i = new DirCacheIterator(dc);
- assertTrue(i.eof());
- }
-
- @Test
- public void testEmptyTree_WithTreeWalk() throws Exception {
- final DirCache dc = DirCache.newInCore();
- assertEquals(0, dc.getEntryCount());
-
- try (TreeWalk tw = new TreeWalk(db)) {
- tw.addTree(new DirCacheIterator(dc));
- assertFalse(tw.next());
- }
- }
-
- @Test
- public void testNoSubtree_NoTreeWalk() throws Exception {
- final DirCache dc = DirCache.newInCore();
-
- final String[] paths = { "a-", "a0b" };
- final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
- for (int i = 0; i < paths.length; i++) {
- ents[i] = new DirCacheEntry(paths[i]);
- ents[i].setFileMode(FileMode.REGULAR_FILE);
- }
-
- final DirCacheBuilder b = dc.builder();
- for (int i = 0; i < ents.length; i++)
- b.add(ents[i]);
- b.finish();
-
- final DirCacheIterator i = new DirCacheIterator(dc);
- int pathIdx = 0;
- for (; !i.eof(); i.next(1)) {
- assertEquals(pathIdx, i.ptr);
- assertSame(ents[pathIdx], i.getDirCacheEntry());
- pathIdx++;
- }
- assertEquals(paths.length, pathIdx);
- }
-
- @Test
- public void testNoSubtree_WithTreeWalk() throws Exception {
- final DirCache dc = DirCache.newInCore();
-
- final String[] paths = { "a-", "a0b" };
- final FileMode[] modes = { FileMode.EXECUTABLE_FILE, FileMode.GITLINK };
- final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
- for (int i = 0; i < paths.length; i++) {
- ents[i] = new DirCacheEntry(paths[i]);
- ents[i].setFileMode(modes[i]);
- }
-
- final DirCacheBuilder b = dc.builder();
- for (int i = 0; i < ents.length; i++)
- b.add(ents[i]);
- b.finish();
-
- final DirCacheIterator i = new DirCacheIterator(dc);
- try (TreeWalk tw = new TreeWalk(db)) {
- tw.addTree(i);
- int pathIdx = 0;
- while (tw.next()) {
- assertSame(i, tw.getTree(0, DirCacheIterator.class));
- assertEquals(pathIdx, i.ptr);
- assertSame(ents[pathIdx], i.getDirCacheEntry());
- assertEquals(paths[pathIdx], tw.getPathString());
- assertEquals(modes[pathIdx].getBits(), tw.getRawMode(0));
- assertSame(modes[pathIdx], tw.getFileMode(0));
- pathIdx++;
- }
- assertEquals(paths.length, pathIdx);
- }
- }
-
- @Test
- public void testSingleSubtree_NoRecursion() throws Exception {
- final DirCache dc = DirCache.newInCore();
-
- final String[] paths = { "a-", "a/b", "a/c", "a/d", "a0b" };
- final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
- for (int i = 0; i < paths.length; i++) {
- ents[i] = new DirCacheEntry(paths[i]);
- ents[i].setFileMode(FileMode.REGULAR_FILE);
- }
-
- final DirCacheBuilder b = dc.builder();
- for (int i = 0; i < ents.length; i++)
- b.add(ents[i]);
- b.finish();
-
- final String[] expPaths = { "a-", "a", "a0b" };
- final FileMode[] expModes = { FileMode.REGULAR_FILE, FileMode.TREE,
- FileMode.REGULAR_FILE };
- final int expPos[] = { 0, -1, 4 };
-
- final DirCacheIterator i = new DirCacheIterator(dc);
- try (TreeWalk tw = new TreeWalk(db)) {
- tw.addTree(i);
- tw.setRecursive(false);
- int pathIdx = 0;
- while (tw.next()) {
- assertSame(i, tw.getTree(0, DirCacheIterator.class));
- assertEquals(expModes[pathIdx].getBits(), tw.getRawMode(0));
- assertSame(expModes[pathIdx], tw.getFileMode(0));
- assertEquals(expPaths[pathIdx], tw.getPathString());
-
- if (expPos[pathIdx] >= 0) {
- assertEquals(expPos[pathIdx], i.ptr);
- assertSame(ents[expPos[pathIdx]], i.getDirCacheEntry());
- } else {
- assertSame(FileMode.TREE, tw.getFileMode(0));
- }
-
- pathIdx++;
- }
- assertEquals(expPaths.length, pathIdx);
- }
- }
-
- @Test
- public void testSingleSubtree_Recursive() throws Exception {
- final DirCache dc = DirCache.newInCore();
-
- final FileMode mode = FileMode.REGULAR_FILE;
- final String[] paths = { "a-", "a/b", "a/c", "a/d", "a0b" };
- final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
- for (int i = 0; i < paths.length; i++) {
- ents[i] = new DirCacheEntry(paths[i]);
- ents[i].setFileMode(mode);
- }
-
- final DirCacheBuilder b = dc.builder();
- for (int i = 0; i < ents.length; i++)
- b.add(ents[i]);
- b.finish();
-
- final DirCacheIterator i = new DirCacheIterator(dc);
- try (TreeWalk tw = new TreeWalk(db)) {
- tw.addTree(i);
- tw.setRecursive(true);
- int pathIdx = 0;
- while (tw.next()) {
- final DirCacheIterator c = tw.getTree(0, DirCacheIterator.class);
- assertNotNull(c);
- assertEquals(pathIdx, c.ptr);
- assertSame(ents[pathIdx], c.getDirCacheEntry());
- assertEquals(paths[pathIdx], tw.getPathString());
- assertEquals(mode.getBits(), tw.getRawMode(0));
- assertSame(mode, tw.getFileMode(0));
- pathIdx++;
- }
- assertEquals(paths.length, pathIdx);
- }
- }
-
- @Test
- public void testTwoLevelSubtree_Recursive() throws Exception {
- final DirCache dc = DirCache.newInCore();
-
- final FileMode mode = FileMode.REGULAR_FILE;
- final String[] paths = { "a-", "a/b", "a/c/e", "a/c/f", "a/d", "a0b" };
- final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
- for (int i = 0; i < paths.length; i++) {
- ents[i] = new DirCacheEntry(paths[i]);
- ents[i].setFileMode(mode);
- }
-
- final DirCacheBuilder b = dc.builder();
- for (int i = 0; i < ents.length; i++)
- b.add(ents[i]);
- b.finish();
-
- try (TreeWalk tw = new TreeWalk(db)) {
- tw.addTree(new DirCacheIterator(dc));
- tw.setRecursive(true);
- int pathIdx = 0;
- while (tw.next()) {
- final DirCacheIterator c = tw.getTree(0, DirCacheIterator.class);
- assertNotNull(c);
- assertEquals(pathIdx, c.ptr);
- assertSame(ents[pathIdx], c.getDirCacheEntry());
- assertEquals(paths[pathIdx], tw.getPathString());
- assertEquals(mode.getBits(), tw.getRawMode(0));
- assertSame(mode, tw.getFileMode(0));
- pathIdx++;
- }
- assertEquals(paths.length, pathIdx);
- }
- }
-
- @Test
- public void testReset() throws Exception {
- final DirCache dc = DirCache.newInCore();
-
- final FileMode mode = FileMode.REGULAR_FILE;
- final String[] paths = { "a-", "a/b", "a/c/e", "a/c/f", "a/d", "a0b" };
- final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
- for (int i = 0; i < paths.length; i++) {
- ents[i] = new DirCacheEntry(paths[i]);
- ents[i].setFileMode(mode);
- }
-
- final DirCacheBuilder b = dc.builder();
- for (int i = 0; i < ents.length; i++)
- b.add(ents[i]);
- b.finish();
-
- DirCacheIterator dci = new DirCacheIterator(dc);
- assertFalse(dci.eof());
- assertEquals("a-", dci.getEntryPathString());
- dci.next(1);
- assertFalse(dci.eof());
- assertEquals("a", dci.getEntryPathString());
- dci.next(1);
- assertFalse(dci.eof());
- assertEquals("a0b", dci.getEntryPathString());
- dci.next(1);
- assertTrue(dci.eof());
-
- // same entries the second time
- dci.reset();
- assertFalse(dci.eof());
- assertEquals("a-", dci.getEntryPathString());
- dci.next(1);
- assertFalse(dci.eof());
- assertEquals("a", dci.getEntryPathString());
- dci.next(1);
- assertFalse(dci.eof());
- assertEquals("a0b", dci.getEntryPathString());
- dci.next(1);
- assertTrue(dci.eof());
-
- // Step backwards
- dci.back(1);
- assertFalse(dci.eof());
- assertEquals("a0b", dci.getEntryPathString());
- dci.back(1);
- assertFalse(dci.eof());
- assertEquals("a", dci.getEntryPathString());
- dci.back(1);
- assertFalse(dci.eof());
- assertEquals("a-", dci.getEntryPathString());
- assertTrue(dci.first());
-
- // forward
- assertFalse(dci.eof());
- assertEquals("a-", dci.getEntryPathString());
- dci.next(1);
- assertFalse(dci.eof());
- assertEquals("a", dci.getEntryPathString());
- dci.next(1);
- assertFalse(dci.eof());
- assertEquals("a0b", dci.getEntryPathString());
- dci.next(1);
- assertTrue(dci.eof());
-
- // backwqrd halways, and forward again
- dci.back(1);
- assertFalse(dci.eof());
- assertEquals("a0b", dci.getEntryPathString());
- dci.back(1);
- assertFalse(dci.eof());
- assertEquals("a", dci.getEntryPathString());
-
- dci.next(1);
- assertFalse(dci.eof());
- assertEquals("a0b", dci.getEntryPathString());
- dci.next(1);
- assertTrue(dci.eof());
-
- dci.reset(); // a.
- dci.next(1); // a
- AbstractTreeIterator sti = dci.createSubtreeIterator(null);
- assertEquals("a/b", sti.getEntryPathString());
- sti.next(1);
- assertEquals("a/c", sti.getEntryPathString());
- sti.next(1);
- assertEquals("a/d", sti.getEntryPathString());
- sti.back(2);
- assertEquals("a/b", sti.getEntryPathString());
-
- }
-
- @Test
- public void testBackBug396127() throws Exception {
- final DirCache dc = DirCache.newInCore();
-
- final FileMode mode = FileMode.REGULAR_FILE;
- final String[] paths = { "git-gui/po/fr.po",
- "git_remote_helpers/git/repo.py" };
- final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
- for (int i = 0; i < paths.length; i++) {
- ents[i] = new DirCacheEntry(paths[i]);
- ents[i].setFileMode(mode);
- }
-
- final DirCacheBuilder b = dc.builder();
- for (int i = 0; i < ents.length; i++)
- b.add(ents[i]);
- b.finish();
-
- DirCacheIterator dci = new DirCacheIterator(dc);
- assertFalse(dci.eof());
- assertEquals("git-gui", dci.getEntryPathString());
- dci.next(1);
- assertFalse(dci.eof());
- assertEquals("git_remote_helpers", dci.getEntryPathString());
- dci.back(1);
- assertFalse(dci.eof());
- assertEquals("git-gui", dci.getEntryPathString());
- dci.next(1);
- assertEquals("git_remote_helpers", dci.getEntryPathString());
- dci.next(1);
- assertTrue(dci.eof());
-
- }
-
- @Test
- public void testTwoLevelSubtree_FilterPath() throws Exception {
- final DirCache dc = DirCache.newInCore();
-
- final FileMode mode = FileMode.REGULAR_FILE;
- final String[] paths = { "a-", "a/b", "a/c/e", "a/c/f", "a/d", "a0b" };
- final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
- for (int i = 0; i < paths.length; i++) {
- ents[i] = new DirCacheEntry(paths[i]);
- ents[i].setFileMode(mode);
- }
-
- final DirCacheBuilder b = dc.builder();
- for (int i = 0; i < ents.length; i++)
- b.add(ents[i]);
- b.finish();
-
- try (TreeWalk tw = new TreeWalk(db)) {
- for (int victimIdx = 0; victimIdx < paths.length; victimIdx++) {
- tw.reset();
- tw.addTree(new DirCacheIterator(dc));
- tw.setFilter(PathFilterGroup.createFromStrings(Collections
- .singleton(paths[victimIdx])));
- tw.setRecursive(tw.getFilter().shouldBeRecursive());
- assertTrue(tw.next());
- final DirCacheIterator c = tw.getTree(0, DirCacheIterator.class);
- assertNotNull(c);
- assertEquals(victimIdx, c.ptr);
- assertSame(ents[victimIdx], c.getDirCacheEntry());
- assertEquals(paths[victimIdx], tw.getPathString());
- assertEquals(mode.getBits(), tw.getRawMode(0));
- assertSame(mode, tw.getFileMode(0));
- assertFalse(tw.next());
- }
- }
- }
-
- @Test
- public void testRemovedSubtree() throws Exception {
- final File path = JGitTestUtil
- .getTestResourceFile("dircache.testRemovedSubtree");
-
- final DirCache dc = DirCache.read(path, FS.DETECTED);
- assertEquals(2, dc.getEntryCount());
-
- try (TreeWalk tw = new TreeWalk(db)) {
- tw.setRecursive(true);
- tw.addTree(new DirCacheIterator(dc));
-
- assertTrue(tw.next());
- assertEquals("a/a", tw.getPathString());
- assertSame(FileMode.REGULAR_FILE, tw.getFileMode(0));
-
- assertTrue(tw.next());
- assertEquals("q", tw.getPathString());
- assertSame(FileMode.REGULAR_FILE, tw.getFileMode(0));
-
- assertFalse(tw.next());
- }
- }
- }
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