--- /dev/null
+/*
+ * Copyright (C) 2015, Google Inc.
+ * 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.revwalk;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
+import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
+import org.eclipse.jgit.junit.TestRepository;
+import org.eclipse.jgit.lib.AnyObjectId;
+import org.eclipse.jgit.lib.Sets;
+import org.eclipse.jgit.revwalk.ObjectWalk;
+import org.eclipse.jgit.revwalk.filter.MessageRevFilter;
+import org.eclipse.jgit.revwalk.filter.NotRevFilter;
+import org.eclipse.jgit.revwalk.filter.ObjectFilter;
+
+import java.io.IOException;
+import java.util.Set;
+
+public class ObjectWalkFilterTest {
+ private TestRepository<InMemoryRepository> tr;
+ private ObjectWalk rw;
+
+ // 3 commits, 2 top-level trees, 4 subtrees, 3 blobs
+ private static final int OBJECT_COUNT = 12;
+
+ @Before
+ public void setUp() throws Exception {
+ tr = new TestRepository<>(new InMemoryRepository(
+ new DfsRepositoryDescription("test")));
+ rw = new ObjectWalk(tr.getRepository());
+
+ rw.markStart(tr.branch("master").commit()
+ .add("a/a", "1")
+ .add("b/b", "2")
+ .add("c/c", "3")
+ .message("initial commit")
+
+ .child()
+ .rm("a/a")
+ .add("a/A", "1")
+ .message("capitalize a/a")
+
+ .child()
+ .rm("a/A")
+ .add("a/a", "1")
+ .message("make a/A lowercase again")
+ .create());
+ }
+
+ @After
+ public void tearDown() {
+ rw.close();
+ tr.getRepository().close();
+ }
+
+ private static class BlacklistObjectFilter extends ObjectFilter {
+ final Set<AnyObjectId> badObjects;
+
+ BlacklistObjectFilter(Set<AnyObjectId> badObjects) {
+ this.badObjects = badObjects;
+ }
+
+ @Override
+ public boolean include(ObjectWalk walker, AnyObjectId o) {
+ return !badObjects.contains(o);
+ }
+ }
+
+ private AnyObjectId resolve(String revstr) throws Exception {
+ return tr.getRepository().resolve(revstr);
+ }
+
+ private int countObjects() throws IOException {
+ int n = 0;
+ while (rw.next() != null) {
+ n++;
+ }
+ while (rw.nextObject() != null) {
+ n++;
+ }
+ return n;
+ }
+
+ @Test
+ public void testDefaultFilter() throws Exception {
+ assertTrue("filter is ALL",
+ rw.getObjectFilter() == ObjectFilter.ALL);
+ assertEquals(OBJECT_COUNT, countObjects());
+ }
+
+ @Test
+ public void testObjectFilterCanFilterOutBlob() throws Exception {
+ AnyObjectId one = rw.parseAny(resolve("master:a/a"));
+ AnyObjectId two = rw.parseAny(resolve("master:b/b"));
+ rw.setObjectFilter(new BlacklistObjectFilter(Sets.of(one, two)));
+
+ // 2 blobs filtered out
+ assertEquals(OBJECT_COUNT - 2, countObjects());
+ }
+
+ @Test
+ public void testFilteringCommitsHasNoEffect() throws Exception {
+ AnyObjectId initial = rw.parseCommit(resolve("master^^"));
+ rw.setObjectFilter(new BlacklistObjectFilter(Sets.of(initial)));
+ assertEquals(OBJECT_COUNT, countObjects());
+ }
+
+ @Test
+ public void testRevFilterAndObjectFilterCanCombine() throws Exception {
+ AnyObjectId one = rw.parseAny(resolve("master:a/a"));
+ AnyObjectId two = rw.parseAny(resolve("master:b/b"));
+ rw.setObjectFilter(new BlacklistObjectFilter(Sets.of(one, two)));
+ rw.setRevFilter(NotRevFilter.create(
+ MessageRevFilter.create("capitalize")));
+
+ // 2 blobs, one commit, two trees filtered out
+ assertEquals(OBJECT_COUNT - 5, countObjects());
+ }
+
+ @Test
+ public void testFilteringTreeFiltersSubtrees() throws Exception {
+ AnyObjectId capitalizeTree = rw.parseAny(resolve("master^:"));
+ rw.setObjectFilter(new BlacklistObjectFilter(
+ Sets.of(capitalizeTree)));
+
+ // trees "master^:" and "master^:a" filtered out
+ assertEquals(OBJECT_COUNT - 2, countObjects());
+ }
+
+ @Test
+ public void testFilteringTreeFiltersReferencedBlobs() throws Exception {
+ AnyObjectId a1 = rw.parseAny(resolve("master:a"));
+ AnyObjectId a2 = rw.parseAny(resolve("master^:a"));
+ rw.setObjectFilter(new BlacklistObjectFilter(Sets.of(a1, a2)));
+
+ // 2 trees, one blob filtered out
+ assertEquals(OBJECT_COUNT - 3, countObjects());
+ }
+}
projects / jgit.git / commitdiff