| package org.eclipse.aether.util.graph.visitor; |
| |
| /* |
| * 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. |
| */ |
| |
| import static org.junit.Assert.*; |
| |
| import java.util.List; |
| |
| import org.eclipse.aether.graph.DependencyNode; |
| import org.eclipse.aether.internal.test.util.DependencyGraphParser; |
| import org.junit.Test; |
| |
| public class PostorderNodeListGeneratorTest |
| { |
| |
| private DependencyNode parse( String resource ) |
| throws Exception |
| { |
| return new DependencyGraphParser( "visitor/ordered-list/" ).parseResource( resource ); |
| } |
| |
| private void assertSequence( List<DependencyNode> actual, String... expected ) |
| { |
| assertEquals( actual.toString(), expected.length, actual.size() ); |
| for ( int i = 0; i < expected.length; i++ ) |
| { |
| DependencyNode node = actual.get( i ); |
| assertEquals( actual.toString(), expected[i], node.getDependency().getArtifact().getArtifactId() ); |
| } |
| } |
| |
| @Test |
| public void testOrdering() |
| throws Exception |
| { |
| DependencyNode root = parse( "simple.txt" ); |
| |
| PostorderNodeListGenerator visitor = new PostorderNodeListGenerator(); |
| root.accept( visitor ); |
| |
| assertSequence( visitor.getNodes(), "c", "b", "e", "d", "a" ); |
| } |
| |
| @Test |
| public void testDuplicateSuppression() |
| throws Exception |
| { |
| DependencyNode root = parse( "cycles.txt" ); |
| |
| PostorderNodeListGenerator visitor = new PostorderNodeListGenerator(); |
| root.accept( visitor ); |
| |
| assertSequence( visitor.getNodes(), "c", "b", "e", "d", "a" ); |
| } |
| |
| } |