001 package 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
022 import java.io.File;
023 import java.util.Iterator;
024 import java.util.Set;
025
026 import org.apache.maven.artifact.Artifact;
027 import org.apache.maven.project.MavenProject;
028 import 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 */
037 public 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 }