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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
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.lifecycle.internal;
20  
21  import java.util.List;
22  
23  import org.apache.maven.execution.MavenSession;
24  import org.apache.maven.execution.ProjectDependencyGraph;
25  import org.apache.maven.lifecycle.LifecycleNotFoundException;
26  import org.apache.maven.lifecycle.LifecyclePhaseNotFoundException;
27  import org.apache.maven.lifecycle.internal.builder.multithreaded.ConcurrencyDependencyGraph;
28  import org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub;
29  import org.apache.maven.plugin.InvalidPluginDescriptorException;
30  import org.apache.maven.plugin.MojoNotFoundException;
31  import org.apache.maven.plugin.PluginDescriptorParsingException;
32  import org.apache.maven.plugin.PluginNotFoundException;
33  import org.apache.maven.plugin.PluginResolutionException;
34  import org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException;
35  import org.apache.maven.plugin.version.PluginVersionResolutionException;
36  import org.apache.maven.project.MavenProject;
37  
38  import static org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub.A;
39  import static org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub.B;
40  import static org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub.C;
41  import static org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub.X;
42  import static org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub.Y;
43  import static org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub.Z;
44  import static org.apache.maven.lifecycle.internal.stub.ProjectDependencyGraphStub.getProjectBuildList;
45  
46  /**
47   * @author Kristian Rosenvold
48   */
49  public class ConcurrencyDependencyGraphTest extends junit.framework.TestCase {
50      public void testConcurrencyGraphPrimaryVersion()
51              throws InvalidPluginDescriptorException, PluginVersionResolutionException, PluginDescriptorParsingException,
52                      NoPluginFoundForPrefixException, MojoNotFoundException, PluginNotFoundException,
53                      PluginResolutionException, LifecyclePhaseNotFoundException, LifecycleNotFoundException {
54          ProjectDependencyGraph dependencyGraph = new ProjectDependencyGraphStub();
55          final MavenSession session = ProjectDependencyGraphStub.getMavenSession();
56  
57          ConcurrencyDependencyGraph graph =
58                  new ConcurrencyDependencyGraph(getProjectBuildList(session), dependencyGraph);
59  
60          final List<MavenProject> projectBuilds = graph.getRootSchedulableBuilds();
61          assertEquals(1, projectBuilds.size());
62          assertEquals(A, projectBuilds.iterator().next());
63  
64          final List<MavenProject> subsequent = graph.markAsFinished(A);
65          assertEquals(2, subsequent.size());
66          assertEquals(B, subsequent.get(0));
67          assertEquals(C, subsequent.get(1));
68  
69          final List<MavenProject> bDescendants = graph.markAsFinished(B);
70          assertEquals(1, bDescendants.size());
71          assertEquals(Y, bDescendants.get(0));
72  
73          final List<MavenProject> cDescendants = graph.markAsFinished(C);
74          assertEquals(2, cDescendants.size());
75          assertEquals(X, cDescendants.get(0));
76          assertEquals(Z, cDescendants.get(1));
77      }
78  
79      public void testConcurrencyGraphDifferentCompletionOrder()
80              throws InvalidPluginDescriptorException, PluginVersionResolutionException, PluginDescriptorParsingException,
81                      NoPluginFoundForPrefixException, MojoNotFoundException, PluginNotFoundException,
82                      PluginResolutionException, LifecyclePhaseNotFoundException, LifecycleNotFoundException {
83          ProjectDependencyGraph dependencyGraph = new ProjectDependencyGraphStub();
84          final MavenSession session = ProjectDependencyGraphStub.getMavenSession();
85          ConcurrencyDependencyGraph graph =
86                  new ConcurrencyDependencyGraph(getProjectBuildList(session), dependencyGraph);
87  
88          graph.markAsFinished(A);
89          final List<MavenProject> cDescendants = graph.markAsFinished(C);
90          assertEquals(1, cDescendants.size());
91          assertEquals(Z, cDescendants.get(0));
92  
93          final List<MavenProject> bDescendants = graph.markAsFinished(B);
94          assertEquals(2, bDescendants.size());
95          assertEquals(X, bDescendants.get(0));
96          assertEquals(Y, bDescendants.get(1));
97      }
98  }