| /* |
| * 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.document; |
| |
| import org.apache.jackrabbit.oak.json.JsopDiff; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import static org.apache.jackrabbit.oak.plugins.document.TestUtils.merge; |
| import static org.apache.jackrabbit.oak.plugins.document.TestUtils.persistToBranch; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class DocumentNodeStoreBranchTest { |
| |
| @Rule |
| public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider(); |
| |
| @Test |
| public void branchedBranch() throws Exception { |
| DocumentNodeStore ns = builderProvider.newBuilder().getNodeStore(); |
| NodeBuilder b1 = ns.getRoot().builder(); |
| b1.child("a"); |
| persistToBranch(b1); |
| NodeBuilder b2 = b1.getNodeState().builder(); |
| b1.child("b"); |
| persistToBranch(b1); |
| |
| b2.child("c"); |
| persistToBranch(b2); |
| assertTrue(b2.hasChildNode("a")); |
| assertFalse(b2.hasChildNode("b")); |
| assertTrue(b2.hasChildNode("c")); |
| |
| // b1 must still see 'a' and 'b', but not 'c' |
| assertTrue(b1.hasChildNode("a")); |
| assertTrue(b1.hasChildNode("b")); |
| assertFalse(b1.hasChildNode("c")); |
| |
| merge(ns, b1); |
| |
| assertTrue(ns.getRoot().getChildNode("a").exists()); |
| assertTrue(ns.getRoot().getChildNode("b").exists()); |
| assertFalse(ns.getRoot().getChildNode("c").exists()); |
| |
| // b2 must not be able to merge |
| try { |
| merge(ns, b2); |
| fail("Merge must fail with IllegalStateException"); |
| } catch (IllegalStateException e) { |
| // expected |
| } |
| } |
| |
| /** |
| * Similar test as {@link #branchedBranch()} but without persistent branch. |
| */ |
| @Test |
| public void builderFromStateFromBuilder() throws Exception { |
| DocumentNodeStore ns = builderProvider.newBuilder().getNodeStore(); |
| NodeBuilder b1 = ns.getRoot().builder(); |
| b1.child("a"); |
| |
| NodeBuilder b2 = b1.getNodeState().builder(); |
| b1.child("b"); |
| |
| b2.child("c"); |
| assertTrue(b2.hasChildNode("a")); |
| assertFalse(b2.hasChildNode("b")); |
| assertTrue(b2.hasChildNode("c")); |
| |
| // b1 must still see 'a' and 'b', but not 'c' |
| assertTrue(b1.hasChildNode("a")); |
| assertTrue(b1.hasChildNode("b")); |
| assertFalse(b1.hasChildNode("c")); |
| |
| merge(ns, b1); |
| |
| assertTrue(ns.getRoot().getChildNode("a").exists()); |
| assertTrue(ns.getRoot().getChildNode("b").exists()); |
| assertFalse(ns.getRoot().getChildNode("c").exists()); |
| |
| // b2 must not be able to merge |
| try { |
| merge(ns, b2); |
| fail("Merge must fail with IllegalStateException"); |
| } catch (IllegalStateException e) { |
| // expected |
| } |
| } |
| |
| @Test |
| public void noopChanges() throws Exception { |
| DocumentNodeStore ns = builderProvider.newBuilder().setUpdateLimit(10).getNodeStore(); |
| NodeBuilder builder = ns.getRoot().builder(); |
| builder.child("a").setProperty("p", 1); |
| merge(ns, builder); |
| NodeState root = ns.getRoot(); |
| builder = root.builder(); |
| builder.child("b"); |
| for (int i = 0; i < ns.getUpdateLimit() * 2000; i++) { |
| builder.child("a").setProperty("p", 1); |
| } |
| builder.getNodeState().compareAgainstBaseState(root, new JsopDiff()); |
| } |
| } |