001package org.apache.maven.project.inheritance.t04;
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
022import java.io.File;
023import java.util.Iterator;
024import java.util.Set;
025
026import org.apache.maven.artifact.Artifact;
027import org.apache.maven.project.MavenProject;
028import org.apache.maven.project.inheritance.AbstractProjectInheritanceTestCase;
029
030/**
031 * Verifies the version of a dependency listed in a parent's
032 * dependencyManagement section is chosen over another version of the same
033 * dependency, listed transitively.
034 *
035 * @author <a href="mailto:pschneider@gmail.com">Patrick Schneider</a>
036 */
037public class ProjectInheritanceTest
038    extends AbstractProjectInheritanceTestCase
039{
040    // ----------------------------------------------------------------------
041    //
042    // p1 inherits from p0
043    // p0 inhertis from super model
044    //
045    // or we can show it graphically as:
046    //
047    // p1 ---> p0 --> super model
048    //
049    // p1 has a depMgmt section that specifies versions 1.0 of jars "a" & "b"
050    // jar "a" has a transitive dependency on 2.0 of jar "b", but maven should
051    // prefer to use version 1.0.
052    //
053    // ----------------------------------------------------------------------
054
055    public void testDependencyManagementOverridesTransitiveDependencyVersion()
056        throws Exception
057    {
058        File localRepo = getLocalRepositoryPath();
059        File pom0 = new File( localRepo, "p0/pom.xml" );
060        File pom0Basedir = pom0.getParentFile();
061        File pom1 = new File( pom0Basedir, "p1/pom.xml" );
062
063        // load the child project, which inherits from p0...
064        MavenProject project0 = getProjectWithDependencies( pom0 );
065        MavenProject project1 = getProjectWithDependencies( pom1 );
066
067        assertEquals( pom0Basedir, project1.getParent().getBasedir() );
068        Set set = project1.getArtifacts();
069        assertNotNull( "No artifacts", set );
070        assertTrue( "No Artifacts", set.size() > 0 );
071        assertTrue( "Set size should be 3, is " + set.size(), set.size() == 3 );
072
073        for ( Object aSet : set )
074        {
075            Artifact artifact = (Artifact) aSet;
076            System.out.println(
077                "Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion() + " Optional=" + (
078                    artifact.isOptional()
079                        ? "true"
080                        : "false" ) );
081            assertTrue( "Incorrect version for " + artifact.getDependencyConflictId(),
082                        artifact.getVersion().equals( "1.0" ) );
083        }
084
085    }
086}