/*
* 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.kernel;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
import org.apache.jackrabbit.mk.core.MicroKernelImpl;
import org.apache.jackrabbit.oak.api.CommitFailedException;
import org.apache.jackrabbit.oak.plugins.memory.MemoryNodeStore;
import org.apache.jackrabbit.oak.spi.commit.EmptyHook;
import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
import org.apache.jackrabbit.oak.spi.state.NodeState;
import org.apache.jackrabbit.oak.spi.state.NodeStore;
import org.junit.Test;
public class KernelNodeBuilderTest {
@Test
public void deletesKernelNodeStore() throws CommitFailedException {
NodeStore store = new KernelNodeStore(new MicroKernelImpl());
init(store);
run(store);
}
@Test
public void deletesMemoryNodeStore() throws CommitFailedException {
NodeStore store = new MemoryNodeStore();
init(store);
run(store);
}
@Test
public void rebasePreservesNew() {
NodeStore store = new KernelNodeStore(new MicroKernelImpl());
NodeBuilder root = store.getRoot().builder();
NodeBuilder added = root.setChildNode("added");
assertTrue(root.hasChildNode("added"));
assertTrue(added.isNew());
store.rebase(root);
assertTrue(added.exists());
assertTrue(root.hasChildNode("added"));
assertTrue(added.isNew());
}
@Test
public void rebaseInvariant() {
NodeStore store = new KernelNodeStore(new MicroKernelImpl());
NodeBuilder root = store.getRoot().builder();
NodeBuilder added = root.setChildNode("added");
NodeState base = root.getBaseState();
store.rebase(root);
assertEquals(base, root.getBaseState());
}
@Test
public void rebase() throws CommitFailedException {
NodeStore store = new KernelNodeStore(new MicroKernelImpl());
NodeBuilder root = store.getRoot().builder();
modify(store);
store.rebase(root);
assertEquals(store.getRoot(), root.getBaseState());
}
private static void modify(NodeStore store) throws CommitFailedException {
NodeBuilder root = store.getRoot().builder();
root.setChildNode("added");
store.merge(root, EmptyHook.INSTANCE, null);
}
private static void init(NodeStore store) throws CommitFailedException {
NodeBuilder builder = store.getRoot().builder();
builder.child("x").child("y").child("z");
store.merge(builder, EmptyHook.INSTANCE, null);
}
private static void run(NodeStore store) throws CommitFailedException {
NodeBuilder builder = store.getRoot().builder();
assertTrue("child node x should be present", builder.hasChildNode("x"));
assertTrue("child node x/y should be present", builder.child("x")
.hasChildNode("y"));
assertTrue("child node x/y/z should be present", builder.child("x")
.child("y").hasChildNode("z"));
builder.getChildNode("x").remove();
assertFalse("child node x not should be present",
builder.hasChildNode("x"));
assertFalse("child node x/y not should be present", builder.child("x")
.hasChildNode("y"));
// See OAK-531
assertFalse("child node x/y/z not should not be present", builder
.child("x").child("y").hasChildNode("z"));
store.merge(builder, EmptyHook.INSTANCE, null);
}
}