1 package org.apache.maven.project.inheritance.t02;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.File;
23 import java.util.HashMap;
24 import java.util.List;
25 import java.util.Map;
26
27 import org.apache.maven.model.Build;
28 import org.apache.maven.model.Plugin;
29 import org.apache.maven.project.MavenProject;
30 import org.apache.maven.project.inheritance.AbstractProjectInheritanceTestCase;
31
32 /**
33 * A test which demonstrates maven's recursive inheritance where
34 * a distinct value is taken from each parent contributing to the
35 * the final model of the project being assembled. There is no
36 * overriding going on amongst the models being used in this test:
37 * each model in the lineage is providing a value that is not present
38 * anywhere else in the lineage. We are just making sure that values
39 * down in the lineage are bubbling up where they should.
40 *
41 * @author Jason van Zyl
42 */
43 public class ProjectInheritanceTest
44 extends AbstractProjectInheritanceTestCase
45 {
46 // ----------------------------------------------------------------------
47 //
48 // p4 inherits from p3
49 // p3 inherits from p2
50 // p2 inherits from p1
51 // p1 inherits from p0
52 // p0 inherits from super model
53 //
54 // or we can show it graphically as:
55 //
56 // p4 ---> p3 ---> p2 ---> p1 ---> p0 --> super model
57 //
58 // ----------------------------------------------------------------------
59
60 public void testProjectInheritance()
61 throws Exception
62 {
63 File localRepo = getLocalRepositoryPath();
64
65 System.out.println( "Local repository is at: " + localRepo.getAbsolutePath() );
66
67 File pom0 = new File( localRepo, "p0/pom.xml" );
68 File pom1 = new File( pom0.getParentFile(), "p1/pom.xml" );
69 File pom2 = new File( pom1.getParentFile(), "p2/pom.xml" );
70 File pom3 = new File( pom2.getParentFile(), "p3/pom.xml" );
71 File pom4 = new File( pom3.getParentFile(), "p4/pom.xml" );
72 File pom5 = new File( pom4.getParentFile(), "p5/pom.xml" );
73
74 System.out.println( "Location of project-4's POM: " + pom4.getPath() );
75
76 // load everything...
77 MavenProject project0 = getProject( pom0 );
78 MavenProject project1 = getProject( pom1 );
79 MavenProject project2 = getProject( pom2 );
80 MavenProject project3 = getProject( pom3 );
81 MavenProject project4 = getProject( pom4 );
82 MavenProject project5 = getProject( pom5 );
83
84 assertEquals( "p4", project4.getName() );
85
86 // ----------------------------------------------------------------------
87 // Value inherited from p3
88 // ----------------------------------------------------------------------
89
90 assertEquals( "2000", project4.getInceptionYear() );
91
92 // ----------------------------------------------------------------------
93 // Value taken from p2
94 // ----------------------------------------------------------------------
95
96 assertEquals( "mailing-list", project4.getMailingLists().get( 0 ).getName() );
97
98 // ----------------------------------------------------------------------
99 // Value taken from p1
100 // ----------------------------------------------------------------------
101
102 assertEquals( "scm-url/p2/p3/p4", project4.getScm().getUrl() );
103
104 // ----------------------------------------------------------------------
105 // Value taken from p4
106 // ----------------------------------------------------------------------
107
108 assertEquals( "Codehaus", project4.getOrganization().getName() );
109
110 // ----------------------------------------------------------------------
111 // Value taken from super model
112 // ----------------------------------------------------------------------
113
114 assertEquals( "4.0.0", project4.getModelVersion() );
115
116 Build build = project4.getBuild();
117 List<Plugin> plugins = build.getPlugins();
118
119 Map<String, Integer> validPluginCounts = new HashMap<>();
120
121 String testPluginArtifactId = "maven-compiler-plugin";
122
123 // this is the plugin we're looking for.
124 validPluginCounts.put( testPluginArtifactId, 0 );
125
126 // these are injected if -DperformRelease=true
127 validPluginCounts.put( "maven-deploy-plugin", 0 );
128 validPluginCounts.put( "maven-javadoc-plugin", 0 );
129 validPluginCounts.put( "maven-source-plugin", 0 );
130
131 Plugin testPlugin = null;
132
133 for ( Plugin plugin : plugins )
134 {
135 String pluginArtifactId = plugin.getArtifactId();
136
137 if ( !validPluginCounts.containsKey( pluginArtifactId ) )
138 {
139 fail( "Illegal plugin found: " + pluginArtifactId );
140 }
141 else
142 {
143 if ( pluginArtifactId.equals( testPluginArtifactId ) )
144 {
145 testPlugin = plugin;
146 }
147
148 Integer count = validPluginCounts.get( pluginArtifactId );
149
150 if ( count > 0 )
151 {
152 fail( "Multiple copies of plugin: " + pluginArtifactId + " found in POM." );
153 }
154 else
155 {
156 count = count + 1;
157
158 validPluginCounts.put( pluginArtifactId, count );
159 }
160 }
161 }
162
163 List executions = testPlugin.getExecutions();
164
165 assertEquals( 1, executions.size() );
166 }
167 }