--- /dev/null
+/*
+ * Copyright (C) 2017 Magnus Vigerlöf (magnus.vigerlof@gmail.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.filter;
+
+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.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+public class PathFilterLogicTest extends RepositoryTestCase {
+
+ private ObjectId treeId;
+
+ @Before
+ public void setup() throws IOException {
+ String[] paths = new String[] {
+ "a.txt",
+ "sub1.txt",
+ "sub1/suba/a.txt",
+ "sub1/subb/b.txt",
+ "sub2/suba/a.txt"
+ };
+ treeId = createTree(paths);
+ }
+
+ @Test
+ public void testSinglePath() throws IOException {
+ List<String> expected = Arrays.asList("sub1/suba/a.txt",
+ "sub1/subb/b.txt");
+
+ TreeFilter tf = PathFilter.create("sub1");
+ List<String> paths = getMatchingPaths(treeId, tf);
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testSingleSubPath() throws IOException {
+ List<String> expected = Collections.singletonList("sub1/suba/a.txt");
+
+ TreeFilter tf = PathFilter.create("sub1/suba");
+ List<String> paths = getMatchingPaths(treeId, tf);
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testSinglePathNegate() throws IOException {
+ List<String> expected = Arrays.asList("a.txt", "sub1.txt",
+ "sub2/suba/a.txt");
+
+ TreeFilter tf = PathFilter.create("sub1").negate();
+ List<String> paths = getMatchingPaths(treeId, tf);
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testSingleSubPathNegate() throws IOException {
+ List<String> expected = Arrays.asList("a.txt", "sub1.txt",
+ "sub1/subb/b.txt", "sub2/suba/a.txt");
+
+ TreeFilter tf = PathFilter.create("sub1/suba").negate();
+ List<String> paths = getMatchingPaths(treeId, tf);
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testOrMultiTwoPath() throws IOException {
+ List<String> expected = Arrays.asList("sub1/suba/a.txt",
+ "sub1/subb/b.txt", "sub2/suba/a.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1"),
+ PathFilter.create("sub2")};
+ List<String> paths = getMatchingPaths(treeId, OrTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testOrMultiThreePath() throws IOException {
+ List<String> expected = Arrays.asList("sub1.txt", "sub1/suba/a.txt",
+ "sub1/subb/b.txt", "sub2/suba/a.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1"),
+ PathFilter.create("sub2"), PathFilter.create("sub1.txt")};
+ List<String> paths = getMatchingPaths(treeId, OrTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testOrMultiTwoSubPath() throws IOException {
+ List<String> expected = Arrays.asList("sub1/subb/b.txt",
+ "sub2/suba/a.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1/subb"),
+ PathFilter.create("sub2/suba")};
+ List<String> paths = getMatchingPaths(treeId, OrTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testOrMultiTwoMixSubPath() throws IOException {
+ List<String> expected = Arrays.asList("sub1/subb/b.txt",
+ "sub2/suba/a.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1/subb"),
+ PathFilter.create("sub2")};
+ List<String> paths = getMatchingPaths(treeId, OrTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testOrMultiTwoMixSubPathNegate() throws IOException {
+ List<String> expected = Arrays.asList("a.txt", "sub1.txt",
+ "sub1/suba/a.txt", "sub2/suba/a.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1").negate(),
+ PathFilter.create("sub1/suba")};
+ List<String> paths = getMatchingPaths(treeId, OrTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testOrMultiThreeMixSubPathNegate() throws IOException {
+ List<String> expected = Arrays.asList("a.txt", "sub1.txt",
+ "sub1/suba/a.txt", "sub2/suba/a.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1").negate(),
+ PathFilter.create("sub1/suba"), PathFilter.create("no/path")};
+ List<String> paths = getMatchingPaths(treeId, OrTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testPatternParentFileMatch() throws IOException {
+ List<String> expected = Collections.emptyList();
+
+ TreeFilter tf = PathFilter.create("a.txt/test/path");
+ List<String> paths = getMatchingPaths(treeId, tf);
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testAndMultiPath() throws IOException {
+ List<String> expected = Collections.emptyList();
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1"),
+ PathFilter.create("sub2")};
+ List<String> paths = getMatchingPaths(treeId, AndTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testAndMultiPathNegate() throws IOException {
+ List<String> expected = Arrays.asList("sub1/suba/a.txt",
+ "sub1/subb/b.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1"),
+ PathFilter.create("sub2").negate()};
+ List<String> paths = getMatchingPaths(treeId, AndTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testAndMultiSubPathDualNegate() throws IOException {
+ List<String> expected = Arrays.asList("a.txt", "sub1.txt",
+ "sub1/subb/b.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1/suba").negate(),
+ PathFilter.create("sub2").negate()};
+ List<String> paths = getMatchingPaths(treeId, AndTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testAndMultiSubPath() throws IOException {
+ List<String> expected = Collections.emptyList();
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1"),
+ PathFilter.create("sub2/suba")};
+ List<String> paths = getMatchingPaths(treeId, AndTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testAndMultiSubPathNegate() throws IOException {
+ List<String> expected = Collections.singletonList("sub1/subb/b.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1"),
+ PathFilter.create("sub1/suba").negate()};
+ List<String> paths = getMatchingPaths(treeId, AndTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testAndMultiThreeSubPathNegate() throws IOException {
+ List<String> expected = Collections.singletonList("sub1/subb/b.txt");
+
+ TreeFilter[] tf = new TreeFilter[]{PathFilter.create("sub1"),
+ PathFilter.create("sub1/suba").negate(),
+ PathFilter.create("no/path").negate()};
+ List<String> paths = getMatchingPaths(treeId, AndTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testTopAndMultiPathDualNegate() throws IOException {
+ List<String> expected = Arrays.asList("a.txt", "sub1.txt");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1").negate(),
+ PathFilter.create("sub2").negate()};
+ List<String> paths = getMatchingPathsFlat(treeId, AndTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testTopAndMultiSubPathDualNegate() throws IOException {
+ List<String> expected = Arrays.asList("a.txt", "sub1.txt", "sub1");
+
+ // Filter on 'sub1/suba' is kind of silly for a non-recursive walk.
+ // The result is interesting though as the 'sub1' path should be
+ // returned, due to the fact that there may be hits once the pattern
+ // is tested with one of the leaf paths.
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1/suba").negate(),
+ PathFilter.create("sub2").negate()};
+ List<String> paths = getMatchingPathsFlat(treeId, AndTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testTopOrMultiPathDual() throws IOException {
+ List<String> expected = Arrays.asList("sub1.txt", "sub2");
+
+ TreeFilter[] tf = new TreeFilter[] {PathFilter.create("sub1.txt"),
+ PathFilter.create("sub2")};
+ List<String> paths = getMatchingPathsFlat(treeId, OrTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ @Test
+ public void testTopNotPath() throws IOException {
+ List<String> expected = Arrays.asList("a.txt", "sub1.txt", "sub2");
+
+ TreeFilter tf = PathFilter.create("sub1");
+ List<String> paths = getMatchingPathsFlat(treeId, NotTreeFilter.create(tf));
+
+ assertEquals(expected, paths);
+ }
+
+ private List<String> getMatchingPaths(final ObjectId objId,
+ TreeFilter tf) throws IOException {
+ return getMatchingPaths(objId, tf, true);
+ }
+
+ private List<String> getMatchingPathsFlat(final ObjectId objId,
+ TreeFilter tf) throws IOException {
+ return getMatchingPaths(objId, tf, false);
+ }
+
+ private List<String> getMatchingPaths(final ObjectId objId,
+ TreeFilter tf, boolean recursive) throws IOException {
+ try (TreeWalk tw = new TreeWalk(db)) {
+ tw.setFilter(tf);
+ tw.setRecursive(recursive);
+ tw.addTree(objId);
+
+ List<String> paths = new ArrayList<>();
+ while (tw.next()) {
+ paths.add(tw.getPathString());
+ }
+ return 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 objId = dc.writeTree(odi);
+ odi.flush();
+ return objId;
+ }
+}
+