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- /*
- * Copyright (C) 2013, Robin Rosenberg
- * 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 static org.junit.Assert.assertArrayEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.fail;
-
- import java.io.IOException;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
- import java.util.Set;
-
- 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.errors.IncorrectObjectTypeException;
- import org.eclipse.jgit.errors.MissingObjectException;
- import org.eclipse.jgit.errors.StopWalkException;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.lib.ObjectReader;
- import org.eclipse.jgit.lib.Sets;
- import org.eclipse.jgit.treewalk.TreeWalk;
- import org.junit.Before;
- import org.junit.Test;
-
- public class PathFilterGroupTest {
-
- private TreeFilter filter;
-
- private Map<String, TreeFilter> singles;
-
- @Before
- public void setup() {
- // @formatter:off
- String[] paths = new String[] {
- "/a", // never match
- "/a/b", // never match
- "a",
- "b/c",
- "c/d/e",
- "c/d/f",
- "d/e/f/g",
- "d/e/f/g.x"
- };
- // @formatter:on
- filter = PathFilterGroup.createFromStrings(paths);
- singles = new HashMap<>();
- for (String path : paths) {
- singles.put(path, PathFilterGroup.createFromStrings(path));
- }
- }
-
- @Test
- public void testExact() throws MissingObjectException,
- IncorrectObjectTypeException, IOException {
- assertMatches(Sets.of("a"), fakeWalk("a"));
- assertMatches(Sets.of("b/c"), fakeWalk("b/c"));
- assertMatches(Sets.of("c/d/e"), fakeWalk("c/d/e"));
- assertMatches(Sets.of("c/d/f"), fakeWalk("c/d/f"));
- assertMatches(Sets.of("d/e/f/g"), fakeWalk("d/e/f/g"));
- assertMatches(Sets.of("d/e/f/g.x"), fakeWalk("d/e/f/g.x"));
- }
-
- @Test
- public void testNoMatchButClose() throws MissingObjectException,
- IncorrectObjectTypeException, IOException {
- assertNoMatches(fakeWalk("a+"));
- assertNoMatches(fakeWalk("b+/c"));
- assertNoMatches(fakeWalk("c+/d/e"));
- assertNoMatches(fakeWalk("c+/d/f"));
- assertNoMatches(fakeWalk("c/d.a"));
- assertNoMatches(fakeWalk("d+/e/f/g"));
- }
-
- @Test
- public void testJustCommonPrefixIsNotMatch() throws MissingObjectException,
- IncorrectObjectTypeException, IOException {
- assertNoMatches(fakeWalk("b/a"));
- assertNoMatches(fakeWalk("b/d"));
- assertNoMatches(fakeWalk("c/d/a"));
- assertNoMatches(fakeWalk("d/e/e"));
- assertNoMatches(fakeWalk("d/e/f/g.y"));
- }
-
- @Test
- public void testKeyIsPrefixOfFilter() throws MissingObjectException,
- IncorrectObjectTypeException, IOException {
- assertMatches(Sets.of("b/c"), fakeWalkAtSubtree("b"));
- assertMatches(Sets.of("c/d/e", "c/d/f"), fakeWalkAtSubtree("c/d"));
- assertMatches(Sets.of("c/d/e", "c/d/f"), fakeWalkAtSubtree("c"));
- assertMatches(Sets.of("d/e/f/g", "d/e/f/g.x"),
- fakeWalkAtSubtree("d/e/f"));
- assertMatches(Sets.of("d/e/f/g", "d/e/f/g.x"),
- fakeWalkAtSubtree("d/e"));
- assertMatches(Sets.of("d/e/f/g", "d/e/f/g.x"), fakeWalkAtSubtree("d"));
-
- assertNoMatches(fakeWalk("b"));
- assertNoMatches(fakeWalk("c/d"));
- assertNoMatches(fakeWalk("c"));
- assertNoMatches(fakeWalk("d/e/f"));
- assertNoMatches(fakeWalk("d/e"));
- assertNoMatches(fakeWalk("d"));
-
- }
-
- @Test
- public void testFilterIsPrefixOfKey() throws MissingObjectException,
- IncorrectObjectTypeException, IOException {
- assertMatches(Sets.of("a"), fakeWalk("a/b"));
- assertMatches(Sets.of("b/c"), fakeWalk("b/c/d"));
- assertMatches(Sets.of("c/d/e"), fakeWalk("c/d/e/f"));
- assertMatches(Sets.of("c/d/f"), fakeWalk("c/d/f/g"));
- assertMatches(Sets.of("d/e/f/g"), fakeWalk("d/e/f/g/h"));
- assertMatches(Sets.of("d/e/f/g"), fakeWalk("d/e/f/g/y"));
- assertMatches(Sets.of("d/e/f/g.x"), fakeWalk("d/e/f/g.x/h"));
- }
-
- @Test
- public void testLongPaths() throws MissingObjectException,
- IncorrectObjectTypeException, IOException {
- TreeFilter longPathFilter = PathFilterGroup
- .createFromStrings(
- "tst/org/eclipse/jgit/treewalk/filter/PathFilterGroupTest.java",
- "tst/org/eclipse/jgit/treewalk/filter/PathFilterGroupTest2.java");
- assertFalse(longPathFilter
- .include(fakeWalk("tst/org/eclipse/jgit/treewalk/FileTreeIteratorTest.java")));
- assertFalse(longPathFilter.include(fakeWalk("tst/a-other-in-same")));
- assertFalse(longPathFilter.include(fakeWalk("a-nothing-in-common")));
- }
-
- @Test
- public void testStopWalk() throws MissingObjectException,
- IncorrectObjectTypeException, IOException {
- // Obvious
- filter.include(fakeWalk("d/e/f/f"));
-
- // Obvious
- try {
- filter.include(fakeWalk("de"));
- fail("StopWalkException expected");
- } catch (StopWalkException e) {
- // good
- }
-
- // less obvious due to git sorting order
- filter.include(fakeWalk("d-"));
-
- // less obvious due to git sorting order
- try {
- filter.include(fakeWalk("d0"));
- fail("StopWalkException expected");
- } catch (StopWalkException e) {
- // good
- }
-
- // less obvious #2 due to git sorting order
- filter.include(fakeWalk("d/e/f/g/h.txt"));
-
- // listed before g/y, so can't StopWalk here
- filter.include(fakeWalk("d/e/f/g.y"));
- singles.get("d/e/f/g").include(fakeWalk("d/e/f/g.y"));
-
- // non-ascii
- try {
- filter.include(fakeWalk("\u00C0"));
- fail("StopWalkException expected");
- } catch (StopWalkException e) {
- // good
- }
- }
-
- private void assertNoMatches(TreeWalk tw) throws MissingObjectException,
- IncorrectObjectTypeException, IOException {
- assertMatches(Sets.<String> of(), tw);
- }
-
- private void assertMatches(Set<String> expect, TreeWalk tw)
- throws MissingObjectException, IncorrectObjectTypeException,
- IOException {
- List<String> actual = new ArrayList<>();
- for (String path : singles.keySet()) {
- if (includes(singles.get(path), tw)) {
- actual.add(path);
- }
- }
-
- String[] e = expect.toArray(new String[expect.size()]);
- String[] a = actual.toArray(new String[actual.size()]);
- Arrays.sort(e);
- Arrays.sort(a);
- assertArrayEquals(e, a);
-
- if (expect.isEmpty()) {
- assertFalse(includes(filter, tw));
- } else {
- assertTrue(includes(filter, tw));
- }
- }
-
- private static boolean includes(TreeFilter f, TreeWalk tw)
- throws MissingObjectException, IncorrectObjectTypeException,
- IOException {
- try {
- return f.include(tw);
- } catch (StopWalkException e) {
- return false;
- }
- }
-
- TreeWalk fakeWalk(final String path) throws IOException {
- DirCache dc = DirCache.newInCore();
- DirCacheEditor dce = dc.editor();
- dce.add(new DirCacheEditor.PathEdit(path) {
-
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.REGULAR_FILE);
- }
- });
- dce.finish();
-
- TreeWalk ret = new TreeWalk((ObjectReader) null);
- ret.reset();
- ret.setRecursive(true);
- ret.addTree(new DirCacheIterator(dc));
- ret.next();
- return ret;
- }
-
- TreeWalk fakeWalkAtSubtree(final String path) throws IOException {
- DirCache dc = DirCache.newInCore();
- DirCacheEditor dce = dc.editor();
- dce.add(new DirCacheEditor.PathEdit(path + "/README") {
- public void apply(DirCacheEntry ent) {
- ent.setFileMode(FileMode.REGULAR_FILE);
- }
- });
- dce.finish();
-
- TreeWalk ret = new TreeWalk((ObjectReader) null);
- ret.addTree(new DirCacheIterator(dc));
- ret.next();
- while (!path.equals(ret.getPathString())) {
- if (ret.isSubtree()) {
- ret.enterSubtree();
- }
- ret.next();
- }
- return ret;
- }
- }
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