1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
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.t02;
20
21 import java.io.File;
22 import java.util.HashMap;
23 import java.util.List;
24 import java.util.Map;
25
26 import org.apache.maven.model.Build;
27 import org.apache.maven.model.Plugin;
28 import org.apache.maven.project.MavenProject;
29 import org.apache.maven.project.inheritance.AbstractProjectInheritanceTestCase;
30
31 /**
32 * A test which demonstrates maven's recursive inheritance where
33 * a distinct value is taken from each parent contributing to the
34 * the final model of the project being assembled. There is no
35 * overriding going on amongst the models being used in this test:
36 * each model in the lineage is providing a value that is not present
37 * anywhere else in the lineage. We are just making sure that values
38 * down in the lineage are bubbling up where they should.
39 *
40 * @author Jason van Zyl
41 */
42 public class ProjectInheritanceTest extends AbstractProjectInheritanceTestCase {
43 // ----------------------------------------------------------------------
44 //
45 // p4 inherits from p3
46 // p3 inherits from p2
47 // p2 inherits from p1
48 // p1 inherits from p0
49 // p0 inherits from super model
50 //
51 // or we can show it graphically as:
52 //
53 // p4 ---> p3 ---> p2 ---> p1 ---> p0 --> super model
54 //
55 // ----------------------------------------------------------------------
56
57 public void testProjectInheritance() throws Exception {
58 File localRepo = getLocalRepositoryPath();
59
60 System.out.println("Local repository is at: " + localRepo.getAbsolutePath());
61
62 File pom0 = new File(localRepo, "p0/pom.xml");
63 File pom1 = new File(pom0.getParentFile(), "p1/pom.xml");
64 File pom2 = new File(pom1.getParentFile(), "p2/pom.xml");
65 File pom3 = new File(pom2.getParentFile(), "p3/pom.xml");
66 File pom4 = new File(pom3.getParentFile(), "p4/pom.xml");
67 File pom5 = new File(pom4.getParentFile(), "p5/pom.xml");
68
69 System.out.println("Location of project-4's POM: " + pom4.getPath());
70
71 // load everything...
72 MavenProject project0 = getProject(pom0);
73 MavenProject project1 = getProject(pom1);
74 MavenProject project2 = getProject(pom2);
75 MavenProject project3 = getProject(pom3);
76 MavenProject project4 = getProject(pom4);
77 MavenProject project5 = getProject(pom5);
78
79 assertEquals("p4", project4.getName());
80
81 // ----------------------------------------------------------------------
82 // Value inherited from p3
83 // ----------------------------------------------------------------------
84
85 assertEquals("2000", project4.getInceptionYear());
86
87 // ----------------------------------------------------------------------
88 // Value taken from p2
89 // ----------------------------------------------------------------------
90
91 assertEquals("mailing-list", project4.getMailingLists().get(0).getName());
92
93 // ----------------------------------------------------------------------
94 // Value taken from p1
95 // ----------------------------------------------------------------------
96
97 assertEquals("scm-url/p2/p3/p4", project4.getScm().getUrl());
98
99 // ----------------------------------------------------------------------
100 // Value taken from p4
101 // ----------------------------------------------------------------------
102
103 assertEquals("Codehaus", project4.getOrganization().getName());
104
105 // ----------------------------------------------------------------------
106 // Value taken from super model
107 // ----------------------------------------------------------------------
108
109 assertEquals("4.0.0", project4.getModelVersion());
110
111 Build build = project4.getBuild();
112 List<Plugin> plugins = build.getPlugins();
113
114 Map<String, Integer> validPluginCounts = new HashMap<>();
115
116 String testPluginArtifactId = "maven-compiler-plugin";
117
118 // this is the plugin we're looking for.
119 validPluginCounts.put(testPluginArtifactId, 0);
120
121 // these are injected if -DperformRelease=true
122 validPluginCounts.put("maven-deploy-plugin", 0);
123 validPluginCounts.put("maven-javadoc-plugin", 0);
124 validPluginCounts.put("maven-source-plugin", 0);
125
126 Plugin testPlugin = null;
127
128 for (Plugin plugin : plugins) {
129 String pluginArtifactId = plugin.getArtifactId();
130
131 if (!validPluginCounts.containsKey(pluginArtifactId)) {
132 fail("Illegal plugin found: " + pluginArtifactId);
133 } else {
134 if (pluginArtifactId.equals(testPluginArtifactId)) {
135 testPlugin = plugin;
136 }
137
138 Integer count = validPluginCounts.get(pluginArtifactId);
139
140 if (count > 0) {
141 fail("Multiple copies of plugin: " + pluginArtifactId + " found in POM.");
142 } else {
143 count = count + 1;
144
145 validPluginCounts.put(pluginArtifactId, count);
146 }
147 }
148 }
149
150 List executions = testPlugin.getExecutions();
151
152 assertEquals(1, executions.size());
153 }
154 }