| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.jackrabbit.oak.plugins.commit; |
| |
| import static org.apache.jackrabbit.oak.api.Type.STRING; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.jackrabbit.oak.Oak; |
| import org.apache.jackrabbit.oak.api.ContentRepository; |
| import org.apache.jackrabbit.oak.api.PropertyState; |
| import org.apache.jackrabbit.oak.api.Root; |
| import org.apache.jackrabbit.oak.api.Tree; |
| import org.apache.jackrabbit.oak.plugins.memory.EmptyNodeState; |
| import org.apache.jackrabbit.oak.spi.commit.CommitInfo; |
| import org.apache.jackrabbit.oak.spi.commit.ThreeWayConflictHandler; |
| import org.apache.jackrabbit.oak.spi.security.OpenSecurityProvider; |
| import org.apache.jackrabbit.oak.spi.state.ConflictAnnotatingRebaseDiff; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| import org.jetbrains.annotations.NotNull; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class ThreeWayConflictHandlerTest { |
| |
| @Test |
| public void addExistingProperty() throws Exception { |
| AtomicBoolean called = new AtomicBoolean(false); |
| ThreeWayConflictHandler handler = new ErrorThreeWayConflictHandler() { |
| |
| @NotNull |
| @Override |
| public Resolution addExistingProperty(@NotNull NodeBuilder parent, @NotNull PropertyState ours, @NotNull PropertyState theirs) { |
| called.set(true); |
| assertEquals("ours", ours.getValue(STRING)); |
| assertEquals("theirs", theirs.getValue(STRING)); |
| return Resolution.IGNORED; |
| } |
| }; |
| |
| ContentRepository repo = newRepo(handler); |
| Root root = login(repo); |
| setup(root); |
| |
| Root ourRoot = login(repo); |
| Root theirRoot = login(repo); |
| |
| theirRoot.getTree("/c").setProperty("p0", "theirs"); |
| ourRoot.getTree("/c").setProperty("p0", "ours"); |
| |
| theirRoot.commit(); |
| ourRoot.commit(); |
| |
| assertTrue(called.get()); |
| } |
| |
| @Test |
| public void changeDeletedProperty() throws Exception { |
| AtomicBoolean called = new AtomicBoolean(false); |
| ThreeWayConflictHandler handler = new ErrorThreeWayConflictHandler() { |
| |
| @NotNull |
| @Override |
| public Resolution changeDeletedProperty(@NotNull NodeBuilder parent, @NotNull PropertyState ours, @NotNull PropertyState base) { |
| called.set(true); |
| assertEquals("ours", ours.getValue(STRING)); |
| assertEquals("base", base.getValue(STRING)); |
| return Resolution.IGNORED; |
| } |
| }; |
| |
| ContentRepository repo = newRepo(handler); |
| Root root = login(repo); |
| setup(root); |
| |
| Root ourRoot = login(repo); |
| Root theirRoot = login(repo); |
| |
| theirRoot.getTree("/c").removeProperty("p"); |
| ourRoot.getTree("/c").setProperty("p", "ours"); |
| |
| theirRoot.commit(); |
| ourRoot.commit(); |
| |
| assertTrue(called.get()); |
| } |
| |
| @Test |
| public void changeChangedProperty() throws Exception { |
| AtomicBoolean called = new AtomicBoolean(false); |
| ThreeWayConflictHandler handler = new ErrorThreeWayConflictHandler() { |
| @NotNull |
| @Override |
| public Resolution changeChangedProperty(@NotNull NodeBuilder parent, @NotNull PropertyState ours, @NotNull PropertyState theirs, |
| @NotNull PropertyState base) { |
| called.set(true); |
| assertEquals("ours", ours.getValue(STRING)); |
| assertEquals("theirs", theirs.getValue(STRING)); |
| assertEquals("base", base.getValue(STRING)); |
| return Resolution.IGNORED; |
| } |
| }; |
| |
| ContentRepository repo = newRepo(handler); |
| Root root = login(repo); |
| setup(root); |
| |
| Root ourRoot = login(repo); |
| Root theirRoot = login(repo); |
| |
| theirRoot.getTree("/c").setProperty("p", "theirs"); |
| ourRoot.getTree("/c").setProperty("p", "ours"); |
| |
| theirRoot.commit(); |
| ourRoot.commit(); |
| |
| assertTrue(called.get()); |
| } |
| |
| @Test |
| public void deleteDeletedProperty() throws Exception { |
| AtomicBoolean called = new AtomicBoolean(false); |
| ThreeWayConflictHandler handler = new ErrorThreeWayConflictHandler() { |
| @NotNull |
| @Override |
| public Resolution deleteDeletedProperty(@NotNull NodeBuilder parent, @NotNull PropertyState base) { |
| called.set(true); |
| assertEquals("base", base.getValue(STRING)); |
| return Resolution.IGNORED; |
| } |
| }; |
| |
| ContentRepository repo = newRepo(handler); |
| Root root = login(repo); |
| setup(root); |
| |
| Root ourRoot = login(repo); |
| Root theirRoot = login(repo); |
| |
| theirRoot.getTree("/c").removeProperty("p"); |
| ourRoot.getTree("/c").removeProperty("p"); |
| |
| theirRoot.commit(); |
| ourRoot.commit(); |
| |
| assertTrue(called.get()); |
| } |
| |
| @Test |
| public void deleteChangedProperty() throws Exception { |
| AtomicBoolean called = new AtomicBoolean(false); |
| ThreeWayConflictHandler handler = new ErrorThreeWayConflictHandler() { |
| @NotNull |
| @Override |
| public Resolution deleteChangedProperty(@NotNull NodeBuilder parent, @NotNull PropertyState theirs, @NotNull PropertyState base) { |
| called.set(true); |
| assertEquals("theirs", theirs.getValue(STRING)); |
| assertEquals("base", base.getValue(STRING)); |
| return Resolution.IGNORED; |
| } |
| }; |
| |
| ContentRepository repo = newRepo(handler); |
| Root root = login(repo); |
| setup(root); |
| |
| Root ourRoot = login(repo); |
| Root theirRoot = login(repo); |
| |
| theirRoot.getTree("/c").setProperty("p", "theirs"); |
| ourRoot.getTree("/c").removeProperty("p"); |
| |
| theirRoot.commit(); |
| ourRoot.commit(); |
| |
| assertTrue(called.get()); |
| } |
| |
| @Test |
| public void changeDeletedNode() throws Exception { |
| AtomicBoolean called = new AtomicBoolean(false); |
| ThreeWayConflictHandler handler = new ErrorThreeWayConflictHandler() { |
| @NotNull |
| @Override |
| public Resolution changeDeletedNode(@NotNull NodeBuilder parent, @NotNull String name, @NotNull NodeState ours, @NotNull NodeState base) { |
| called.set(true); |
| assertTrue(ours.hasProperty("p")); |
| assertTrue(base.hasProperty("p")); |
| assertEquals("ours", ours.getProperty("p").getValue(STRING)); |
| assertEquals("base", base.getProperty("p").getValue(STRING)); |
| return Resolution.IGNORED; |
| } |
| }; |
| |
| ContentRepository repo = newRepo(handler); |
| Root root = login(repo); |
| setup(root); |
| |
| Root ourRoot = login(repo); |
| Root theirRoot = login(repo); |
| |
| theirRoot.getTree("/c").remove(); |
| ourRoot.getTree("/c").setProperty("p", "ours"); |
| |
| theirRoot.commit(); |
| ourRoot.commit(); |
| |
| assertTrue(called.get()); |
| } |
| |
| @Test |
| public void deleteChangedNode() throws Exception { |
| AtomicBoolean called = new AtomicBoolean(false); |
| ThreeWayConflictHandler handler = new ErrorThreeWayConflictHandler() { |
| @NotNull |
| @Override |
| public Resolution deleteChangedNode(@NotNull NodeBuilder parent, @NotNull String name, @NotNull NodeState theirs, @NotNull NodeState base) { |
| called.set(true); |
| assertTrue(theirs.hasProperty("p")); |
| assertTrue(base.hasProperty("p")); |
| assertEquals("theirs", theirs.getProperty("p").getValue(STRING)); |
| assertEquals("base", base.getProperty("p").getValue(STRING)); |
| return Resolution.IGNORED; |
| } |
| }; |
| |
| ContentRepository repo = newRepo(handler); |
| Root root = login(repo); |
| setup(root); |
| |
| Root ourRoot = login(repo); |
| Root theirRoot = login(repo); |
| |
| theirRoot.getTree("/c").setProperty("p", "theirs"); |
| ourRoot.getTree("/c").remove(); |
| |
| theirRoot.commit(); |
| ourRoot.commit(); |
| |
| assertTrue(called.get()); |
| } |
| |
| @Test |
| public void deleteDeletedNode() throws Exception { |
| AtomicBoolean called = new AtomicBoolean(false); |
| ThreeWayConflictHandler handler = new ErrorThreeWayConflictHandler() { |
| @NotNull |
| @Override |
| public Resolution deleteDeletedNode(@NotNull NodeBuilder parent, @NotNull String name, @NotNull NodeState base) { |
| called.set(true); |
| assertTrue(base.hasProperty("p")); |
| assertEquals("base", base.getProperty("p").getValue(STRING)); |
| return Resolution.IGNORED; |
| } |
| }; |
| |
| ContentRepository repo = newRepo(handler); |
| Root root = login(repo); |
| setup(root); |
| |
| Root ourRoot = login(repo); |
| Root theirRoot = login(repo); |
| |
| theirRoot.getTree("/c").remove(); |
| ourRoot.getTree("/c").remove(); |
| |
| theirRoot.commit(); |
| ourRoot.commit(); |
| |
| assertTrue(called.get()); |
| } |
| |
| @Test |
| public void deletedNodesShouldNotBeRecreated() throws Exception { |
| NodeState root = EmptyNodeState.EMPTY_NODE; |
| |
| NodeState withProperty; |
| { |
| NodeBuilder builder = root.builder(); |
| builder.child("c").setProperty("foo", "bar"); |
| withProperty = builder.getNodeState(); |
| } |
| |
| NodeState withUpdatedProperty; |
| { |
| NodeBuilder builder = withProperty.builder(); |
| builder.child("c").setProperty("foo", "baz"); |
| withUpdatedProperty = builder.getNodeState(); |
| } |
| |
| NodeState withRemovedChild; |
| { |
| NodeBuilder builder = withProperty.builder(); |
| builder.child("c").remove(); |
| withRemovedChild = builder.getNodeState(); |
| } |
| |
| NodeBuilder mergedBuilder = withUpdatedProperty.builder(); |
| withRemovedChild.compareAgainstBaseState(withProperty, new ConflictAnnotatingRebaseDiff(mergedBuilder)); |
| NodeState merged = ConflictHook.of(DefaultThreeWayConflictHandler.OURS).processCommit( |
| mergedBuilder.getBaseState(), |
| mergedBuilder.getNodeState(), |
| CommitInfo.EMPTY |
| ); |
| assertFalse(merged.hasChildNode("c")); |
| } |
| |
| private static ContentRepository newRepo(ThreeWayConflictHandler handler) { |
| return new Oak().with(new OpenSecurityProvider()).with(handler).createContentRepository(); |
| } |
| |
| private static Root login(ContentRepository repo) throws Exception { |
| return repo.login(null, null).getLatestRoot(); |
| } |
| |
| private static void setup(Root root) throws Exception { |
| Tree tree = root.getTree("/"); |
| tree.addChild("c").setProperty("p", "base"); |
| root.commit(); |
| } |
| |
| private static class ErrorThreeWayConflictHandler implements ThreeWayConflictHandler { |
| |
| @NotNull |
| @Override |
| public Resolution addExistingProperty(@NotNull NodeBuilder parent, @NotNull PropertyState ours, @NotNull PropertyState theirs) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| |
| @NotNull |
| @Override |
| public Resolution changeDeletedProperty(@NotNull NodeBuilder parent, @NotNull PropertyState ours, @NotNull PropertyState base) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| |
| @NotNull |
| @Override |
| public Resolution changeChangedProperty(@NotNull NodeBuilder parent, @NotNull PropertyState ours, @NotNull PropertyState theirs, |
| @NotNull PropertyState base) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| |
| @NotNull |
| @Override |
| public Resolution deleteDeletedProperty(@NotNull NodeBuilder parent, @NotNull PropertyState base) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| |
| @NotNull |
| @Override |
| public Resolution deleteChangedProperty(@NotNull NodeBuilder parent, @NotNull PropertyState theirs, @NotNull PropertyState base) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| |
| @NotNull |
| @Override |
| public Resolution addExistingNode(@NotNull NodeBuilder parent, @NotNull String name, @NotNull NodeState ours, @NotNull NodeState theirs) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| |
| @NotNull |
| @Override |
| public Resolution changeDeletedNode(@NotNull NodeBuilder parent, @NotNull String name, @NotNull NodeState ours, @NotNull NodeState base) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| |
| @NotNull |
| @Override |
| public Resolution deleteChangedNode(@NotNull NodeBuilder parent, @NotNull String name, @NotNull NodeState theirs, @NotNull NodeState base) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| |
| @NotNull |
| @Override |
| public Resolution deleteDeletedNode(@NotNull NodeBuilder parent, @NotNull String name, @NotNull NodeState base) { |
| Assert.fail("method should not be called"); |
| return Resolution.IGNORED; |
| } |
| } |
| } |