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/*
* Copyright (C) 2009, Google Inc.
* Copyright (C) 2009, Tor Arne Vestbø <torarnv@gmail.com> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.treewalk;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectReader;
import org.junit.Test;
public class AbstractTreeIteratorTest {
private static String prefix(String path) {
final int s = path.lastIndexOf('/');
return s > 0 ? path.substring(0, s) : "";
}
public static class FakeTreeIterator extends WorkingTreeIterator {
public FakeTreeIterator(String pathName, FileMode fileMode) {
super(prefix(pathName), new Config().get(WorkingTreeOptions.KEY));
mode = fileMode.getBits();
final int s = pathName.lastIndexOf('/');
final byte[] name = Constants.encode(pathName.substring(s + 1));
ensurePathCapacity(pathOffset + name.length, pathOffset);
System.arraycopy(name, 0, path, pathOffset, name.length);
pathLen = pathOffset + name.length;
}
@Override
public AbstractTreeIterator createSubtreeIterator(ObjectReader reader)
throws IncorrectObjectTypeException, IOException {
return null;
}
}
@Test
public void testPathCompare() throws Exception {
assertTrue(new FakeTreeIterator("a", FileMode.REGULAR_FILE).pathCompare(
new FakeTreeIterator("a", FileMode.TREE)) < 0);
assertTrue(new FakeTreeIterator("a", FileMode.TREE).pathCompare(
new FakeTreeIterator("a", FileMode.REGULAR_FILE)) > 0);
assertTrue(new FakeTreeIterator("a", FileMode.REGULAR_FILE).pathCompare(
new FakeTreeIterator("a", FileMode.REGULAR_FILE)) == 0);
assertTrue(new FakeTreeIterator("a", FileMode.TREE).pathCompare(
new FakeTreeIterator("a", FileMode.TREE)) == 0);
}
@Test
public void testGrowPath() throws Exception {
final FakeTreeIterator i = new FakeTreeIterator("ab", FileMode.TREE);
final byte[] origpath = i.path;
assertEquals(i.path[0], 'a');
assertEquals(i.path[1], 'b');
i.growPath(2);
assertNotSame(origpath, i.path);
assertEquals(origpath.length * 2, i.path.length);
assertEquals(i.path[0], 'a');
assertEquals(i.path[1], 'b');
}
@Test
public void testEnsurePathCapacityFastCase() throws Exception {
final FakeTreeIterator i = new FakeTreeIterator("ab", FileMode.TREE);
final int want = 50;
final byte[] origpath = i.path;
assertEquals(i.path[0], 'a');
assertEquals(i.path[1], 'b');
assertTrue(want < i.path.length);
i.ensurePathCapacity(want, 2);
assertSame(origpath, i.path);
assertEquals(i.path[0], 'a');
assertEquals(i.path[1], 'b');
}
@Test
public void testEnsurePathCapacityGrows() throws Exception {
final FakeTreeIterator i = new FakeTreeIterator("ab", FileMode.TREE);
final int want = 384;
final byte[] origpath = i.path;
assertEquals(i.path[0], 'a');
assertEquals(i.path[1], 'b');
assertTrue(i.path.length < want);
i.ensurePathCapacity(want, 2);
assertNotSame(origpath, i.path);
assertEquals(512, i.path.length);
assertEquals(i.path[0], 'a');
assertEquals(i.path[1], 'b');
}
@Test
public void testEntryFileMode() {
for (FileMode m : new FileMode[] { FileMode.TREE,
FileMode.REGULAR_FILE, FileMode.EXECUTABLE_FILE,
FileMode.GITLINK, FileMode.SYMLINK }) {
final FakeTreeIterator i = new FakeTreeIterator("a", m);
assertEquals(m.getBits(), i.getEntryRawMode());
assertSame(m, i.getEntryFileMode());
}
}
@Test
public void testEntryPath() {
FakeTreeIterator i = new FakeTreeIterator("a/b/cd", FileMode.TREE);
assertEquals("a/b/cd", i.getEntryPathString());
assertEquals(2, i.getNameLength());
byte[] b = new byte[3];
b[0] = 0x0a;
i.getName(b, 1);
assertEquals(0x0a, b[0]);
assertEquals('c', b[1]);
assertEquals('d', b[2]);
}
@Test
public void testCreateEmptyTreeIterator() {
FakeTreeIterator i = new FakeTreeIterator("a/b/cd", FileMode.TREE);
EmptyTreeIterator e = i.createEmptyTreeIterator();
assertNotNull(e);
assertEquals(i.getEntryPathString() + "/", e.getEntryPathString());
}
}
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