Add test case for PathFilterGroup
This is needed to prepare for optimization. Bug: 397185 Change-Id: If38507ef8cc5a161353cc07bf7cd1922f54d1f8a
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/*
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* Copyright (C) 2013, Robin Rosenberg
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* and other copyright owners as documented in the project's IP log.
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*
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* This program and the accompanying materials are made available
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* under the terms of the Eclipse Distribution License v1.0 which
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* accompanies this distribution, is reproduced below, and is
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* - Neither the name of the Eclipse Foundation, Inc. nor the
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* names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.eclipse.jgit.treewalk.filter;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import java.io.IOException;
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import org.eclipse.jgit.dircache.DirCache;
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import org.eclipse.jgit.dircache.DirCacheEditor;
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import org.eclipse.jgit.dircache.DirCacheEntry;
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import org.eclipse.jgit.dircache.DirCacheIterator;
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import org.eclipse.jgit.errors.IncorrectObjectTypeException;
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import org.eclipse.jgit.errors.MissingObjectException;
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import org.eclipse.jgit.errors.StopWalkException;
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import org.eclipse.jgit.lib.FileMode;
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import org.eclipse.jgit.lib.ObjectReader;
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import org.eclipse.jgit.treewalk.TreeWalk;
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import org.junit.Before;
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import org.junit.Test;
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public class PathFilterGroupTest {
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private TreeFilter filter;
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@Before
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public void setup() {
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// @formatter:off
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String[] paths = new String[] {
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"/a", // never match
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"/a/b", // never match
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"a",
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"b/c",
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"c/d/e",
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"c/d/f",
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"d/e/f/g"
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};
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// @formatter:on
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filter = PathFilterGroup.createFromStrings(paths);
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}
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@Test
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public void testExact() throws MissingObjectException,
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IncorrectObjectTypeException, IOException {
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assertTrue(filter.include(fakeWalk("a")));
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assertTrue(filter.include(fakeWalk("b/c")));
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assertTrue(filter.include(fakeWalk("c/d/e")));
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assertTrue(filter.include(fakeWalk("c/d/f")));
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assertTrue(filter.include(fakeWalk("d/e/f/g")));
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}
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@Test
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public void testNoMatchButClose() throws MissingObjectException,
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IncorrectObjectTypeException, IOException {
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assertFalse(filter.include(fakeWalk("a+")));
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assertFalse(filter.include(fakeWalk("b+/c")));
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assertFalse(filter.include(fakeWalk("c+/d/e")));
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assertFalse(filter.include(fakeWalk("c+/d/f")));
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assertFalse(filter.include(fakeWalk("c/d.a")));
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assertFalse(filter.include(fakeWalk("d+/e/f/g")));
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}
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@Test
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public void testJustCommonPrefixIsNotMatch() throws MissingObjectException,
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IncorrectObjectTypeException, IOException {
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assertFalse(filter.include(fakeWalk("b/a")));
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assertFalse(filter.include(fakeWalk("b/d")));
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assertFalse(filter.include(fakeWalk("c/d/a")));
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assertFalse(filter.include(fakeWalk("d/e/e")));
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}
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@Test
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public void testKeyIsPrefixOfFilter() throws MissingObjectException,
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IncorrectObjectTypeException, IOException {
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assertTrue(filter.include(fakeWalk("b")));
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assertTrue(filter.include(fakeWalk("c/d")));
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assertTrue(filter.include(fakeWalk("c/d")));
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assertTrue(filter.include(fakeWalk("c")));
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assertTrue(filter.include(fakeWalk("d/e/f")));
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assertTrue(filter.include(fakeWalk("d/e")));
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assertTrue(filter.include(fakeWalk("d")));
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}
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@Test
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public void testFilterIsPrefixOfKey() throws MissingObjectException,
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IncorrectObjectTypeException, IOException {
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assertTrue(filter.include(fakeWalk("a/b")));
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assertTrue(filter.include(fakeWalk("b/c/d")));
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assertTrue(filter.include(fakeWalk("c/d/e/f")));
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assertTrue(filter.include(fakeWalk("c/d/f/g")));
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assertTrue(filter.include(fakeWalk("d/e/f/g/h")));
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}
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@Test
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public void testStopWalk() throws MissingObjectException,
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IncorrectObjectTypeException, IOException {
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// Obvious
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filter.include(fakeWalk("d/e/f/f"));
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// Obvious
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try {
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filter.include(fakeWalk("de"));
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fail("StopWalkException expected");
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} catch (StopWalkException e) {
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// good
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}
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// less obvious due to git sorting order
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filter.include(fakeWalk("d."));
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// less obvious due to git sorting order
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try {
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filter.include(fakeWalk("d0"));
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fail("StopWalkException expected");
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} catch (StopWalkException e) {
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// good
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}
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// non-ascii
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try {
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filter.include(fakeWalk("\u00C0"));
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fail("StopWalkException expected");
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} catch (StopWalkException e) {
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// good
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}
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}
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TreeWalk fakeWalk(final String path) throws IOException {
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DirCache dc = DirCache.newInCore();
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DirCacheEditor dce = dc.editor();
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dce.add(new DirCacheEditor.PathEdit(path) {
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public void apply(DirCacheEntry ent) {
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ent.setFileMode(FileMode.REGULAR_FILE);
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}
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});
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dce.finish();
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TreeWalk ret = new TreeWalk((ObjectReader) null);
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ret.reset();
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ret.setRecursive(true);
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ret.addTree(new DirCacheIterator(dc));
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ret.next();
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return ret;
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}
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}
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