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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
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6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.project.inheritance.t04;
20  
21  import java.io.File;
22  import java.util.Set;
23  
24  import org.apache.maven.artifact.Artifact;
25  import org.apache.maven.project.MavenProject;
26  import org.apache.maven.project.inheritance.AbstractProjectInheritanceTestCase;
27  
28  /**
29   * Verifies the version of a dependency listed in a parent's
30   * dependencyManagement section is chosen over another version of the same
31   * dependency, listed transitively.
32   *
33   * @author <a href="mailto:pschneider@gmail.com">Patrick Schneider</a>
34   */
35  public class ProjectInheritanceTest extends AbstractProjectInheritanceTestCase {
36      // ----------------------------------------------------------------------
37      //
38      // p1 inherits from p0
39      // p0 inherits from super model
40      //
41      // or we can show it graphically as:
42      //
43      // p1 ---> p0 --> super model
44      //
45      // p1 has a depMgmt section that specifies versions 1.0 of jars "a" & "b"
46      // jar "a" has a transitive dependency on 2.0 of jar "b", but maven should
47      // prefer to use version 1.0.
48      //
49      // ----------------------------------------------------------------------
50  
51      public void testDependencyManagementOverridesTransitiveDependencyVersion() throws Exception {
52          File localRepo = getLocalRepositoryPath();
53          File pom0 = new File(localRepo, "p0/pom.xml");
54          File pom0Basedir = pom0.getParentFile();
55          File pom1 = new File(pom0Basedir, "p1/pom.xml");
56  
57          // load the child project, which inherits from p0...
58          MavenProject project0 = getProjectWithDependencies(pom0);
59          MavenProject project1 = getProjectWithDependencies(pom1);
60  
61          assertEquals(pom0Basedir, project1.getParent().getBasedir());
62          Set set = project1.getArtifacts();
63          assertNotNull("No artifacts", set);
64          assertTrue("No Artifacts", set.size() > 0);
65          assertTrue("Set size should be 3, is " + set.size(), set.size() == 3);
66  
67          for (Object aSet : set) {
68              Artifact artifact = (Artifact) aSet;
69              System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()
70                      + " Optional=" + (artifact.isOptional() ? "true" : "false"));
71              assertTrue(
72                      "Incorrect version for " + artifact.getDependencyConflictId(),
73                      artifact.getVersion().equals("1.0"));
74          }
75      }
76  }