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- /*
- * Copyright (C) 2009, 2021 Google Inc. 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.filter;
-
- import static org.junit.Assert.assertEquals;
-
- import java.io.IOException;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.List;
-
- import org.eclipse.jgit.dircache.DirCache;
- import org.eclipse.jgit.dircache.DirCacheBuilder;
- import org.eclipse.jgit.dircache.DirCacheEntry;
- import org.eclipse.jgit.junit.RepositoryTestCase;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.ObjectInserter;
- import org.eclipse.jgit.treewalk.TreeWalk;
- import org.junit.Test;
-
- public class PathSuffixFilterTest extends RepositoryTestCase {
-
- @Test
- public void testNonRecursiveFiltering() throws IOException {
- ObjectId treeId = createTree("a.sth", "a.txt");
-
- List<String> paths = getMatchingPaths(".txt", treeId);
- List<String> expected = Arrays.asList("a.txt");
-
- assertEquals(expected, paths);
- }
-
- @Test
- public void testRecursiveFiltering() throws IOException {
- ObjectId treeId = createTree("a.sth", "a.txt", "sub/b.sth", "sub/b.txt",
- "t.sth", "t.txt");
-
- List<String> paths = getMatchingPaths(".txt", treeId, true);
- List<String> expected = Arrays.asList("a.txt", "sub/b.txt", "t.txt");
-
- assertEquals(expected, paths);
- }
-
- @Test
- public void testEdgeCases() throws IOException {
- ObjectId treeId = createTree("abc", "abcd", "bcd", "c");
- assertEquals(new ArrayList<String>(), getMatchingPaths("xbcd", treeId));
- assertEquals(new ArrayList<String>(), getMatchingPaths("abcx", treeId));
- assertEquals(Arrays.asList("abcd"), getMatchingPaths("abcd", treeId));
- assertEquals(Arrays.asList("abcd", "bcd"), getMatchingPaths("bcd", treeId));
- assertEquals(Arrays.asList("abc", "c"), getMatchingPaths("c", treeId));
- }
-
- @Test
- public void testNegated() throws IOException {
- ObjectId treeId = createTree("a.sth", "a.txt", "sub/b.sth",
- "sub/b.txt", "t.sth", "t.txt");
-
- List<String> paths = getMatchingPaths(".txt", treeId, true, true);
- List<String> expected = Arrays.asList("a.sth", "sub/b.sth", "t.sth");
-
- assertEquals(expected, paths);
- }
-
- private ObjectId createTree(String... paths) throws IOException {
- final ObjectInserter odi = db.newObjectInserter();
- final DirCache dc = db.readDirCache();
- final DirCacheBuilder builder = dc.builder();
- for (String path : paths) {
- DirCacheEntry entry = createEntry(path, FileMode.REGULAR_FILE);
- builder.add(entry);
- }
- builder.finish();
- final ObjectId treeId = dc.writeTree(odi);
- odi.flush();
- return treeId;
- }
-
- private List<String> getMatchingPaths(String suffixFilter,
- final ObjectId treeId) throws IOException {
- return getMatchingPaths(suffixFilter, treeId, false);
- }
-
- private List<String> getMatchingPaths(String suffixFilter,
- final ObjectId treeId, boolean recursiveWalk) throws IOException {
- return getMatchingPaths(suffixFilter, treeId, recursiveWalk, false);
- }
-
- private List<String> getMatchingPaths(String suffixFilter,
- final ObjectId treeId, boolean recursiveWalk, boolean negated)
- throws IOException {
- try (TreeWalk tw = new TreeWalk(db)) {
- TreeFilter filter = PathSuffixFilter.create(suffixFilter);
- if (negated) {
- filter = filter.negate();
- }
- tw.setFilter(filter);
- tw.setRecursive(recursiveWalk);
- tw.addTree(treeId);
-
- List<String> paths = new ArrayList<>();
- while (tw.next())
- paths.add(tw.getPathString());
- return paths;
- }
- }
-
- }
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