001    package org.apache.maven.repository.legacy.resolver.conflict;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *  http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    import java.util.Collections;
023    
024    import org.apache.maven.artifact.resolver.ResolutionNode;
025    import org.apache.maven.repository.legacy.resolver.conflict.OldestConflictResolver;
026    
027    /**
028     * Tests <code>OldestConflictResolver</code>.
029     *
030     * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
031     * @see OldestConflictResolver
032     */
033    public class OldestConflictResolverTest
034        extends AbstractConflictResolverTest
035    {
036        // constructors -----------------------------------------------------------
037        
038        public OldestConflictResolverTest()
039            throws Exception
040        {
041            super("oldest");
042        }
043        
044        // tests ------------------------------------------------------------------
045    
046        /**
047         * Tests that <code>a:1.0</code> wins in the scenario:
048         * <pre>
049         * a:1.0
050         * b:1.0 -> a:2.0
051         * </pre>
052         */
053        public void testDepth()
054        {
055            ResolutionNode a1n = new ResolutionNode( a1, Collections.EMPTY_LIST );
056            ResolutionNode b1n = new ResolutionNode( b1, Collections.EMPTY_LIST );
057            ResolutionNode a2n = new ResolutionNode( a2, Collections.EMPTY_LIST, b1n );
058            
059            assertResolveConflict( a1n, a1n, a2n );
060        }
061    
062        /**
063         * Tests that <code>a:1.0</code> wins in the scenario:
064         * <pre>
065         * b:1.0 -> a:2.0
066         * a:1.0
067         * </pre>
068         */
069        public void testDepthReversed()
070        {
071            ResolutionNode b1n = new ResolutionNode( b1, Collections.EMPTY_LIST );
072            ResolutionNode a2n = new ResolutionNode( a2, Collections.EMPTY_LIST, b1n );
073            ResolutionNode a1n = new ResolutionNode( a1, Collections.EMPTY_LIST );
074            
075            assertResolveConflict( a1n, a2n, a1n );
076        }
077    
078        /**
079         * Tests that <code>a:1.0</code> wins in the scenario:
080         * <pre>
081         * a:1.0
082         * a:2.0
083         * </pre>
084         */
085        public void testEqual()
086        {
087            ResolutionNode a1n = new ResolutionNode( a1, Collections.EMPTY_LIST );
088            ResolutionNode a2n = new ResolutionNode( a2, Collections.EMPTY_LIST );
089            
090            assertResolveConflict( a1n, a1n, a2n );
091        }
092    
093        /**
094         * Tests that <code>a:1.0</code> wins in the scenario:
095         * <pre>
096         * a:2.0
097         * a:1.0
098         * </pre>
099         */
100        public void testEqualReversed()
101        {
102            ResolutionNode a2n = new ResolutionNode( a2, Collections.EMPTY_LIST );
103            ResolutionNode a1n = new ResolutionNode( a1, Collections.EMPTY_LIST );
104            
105            assertResolveConflict( a1n, a2n, a1n );
106        }
107    }