| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.maven.graph; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.maven.execution.ProjectDependencyGraph; |
| import org.apache.maven.model.Dependency; |
| import org.apache.maven.project.DuplicateProjectException; |
| import org.apache.maven.project.MavenProject; |
| import org.codehaus.plexus.util.dag.CycleDetectedException; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| /** |
| * @author Kristian Rosenvold |
| */ |
| public class DefaultProjectDependencyGraphTest |
| { |
| |
| private final MavenProject aProject = createA(); |
| |
| private final MavenProject depender1 = createProject( Arrays.asList( toDependency( aProject ) ), "depender1" ); |
| |
| private final MavenProject depender2 = createProject( Arrays.asList( toDependency( aProject ) ), "depender2" ); |
| |
| private final MavenProject depender3 = createProject( Arrays.asList( toDependency( aProject ) ), "depender3" ); |
| |
| private final MavenProject depender4 = |
| createProject( Arrays.asList( toDependency( aProject ), toDependency( depender3 ) ), "depender4" ); |
| |
| private final MavenProject transitiveOnly = |
| createProject( Arrays.asList( toDependency( depender3 ) ), "depender5" ); |
| |
| @Test |
| public void testGetSortedProjects() |
| throws DuplicateProjectException, CycleDetectedException |
| { |
| ProjectDependencyGraph graph = new DefaultProjectDependencyGraph( Arrays.asList( depender1, aProject ) ); |
| final List<MavenProject> sortedProjects = graph.getSortedProjects(); |
| assertEquals( aProject, sortedProjects.get( 0 ) ); |
| assertEquals( depender1, sortedProjects.get( 1 ) ); |
| } |
| |
| @Test |
| public void testVerifyExpectedParentStructure() |
| throws CycleDetectedException, DuplicateProjectException |
| { |
| // This test verifies the baseline structure used in subsequent tests. If this fails, the rest will fail. |
| ProjectDependencyGraph graph = threeProjectsDependingOnASingle(); |
| final List<MavenProject> sortedProjects = graph.getSortedProjects(); |
| assertEquals( aProject, sortedProjects.get( 0 ) ); |
| assertEquals( depender1, sortedProjects.get( 1 ) ); |
| assertEquals( depender2, sortedProjects.get( 2 ) ); |
| assertEquals( depender3, sortedProjects.get( 3 ) ); |
| } |
| |
| @Test |
| public void testVerifyThatDownstreamProjectsComeInSortedOrder() |
| throws CycleDetectedException, DuplicateProjectException |
| { |
| final List<MavenProject> downstreamProjects = |
| threeProjectsDependingOnASingle().getDownstreamProjects( aProject, true ); |
| assertEquals( depender1, downstreamProjects.get( 0 ) ); |
| assertEquals( depender2, downstreamProjects.get( 1 ) ); |
| assertEquals( depender3, downstreamProjects.get( 2 ) ); |
| } |
| |
| @Test |
| public void testTransitivesInOrder() |
| throws CycleDetectedException, DuplicateProjectException |
| { |
| final ProjectDependencyGraph graph = |
| new DefaultProjectDependencyGraph( Arrays.asList( depender1, depender4, depender2, depender3, aProject ) ); |
| |
| final List<MavenProject> downstreamProjects = graph.getDownstreamProjects( aProject, true ); |
| assertEquals( depender1, downstreamProjects.get( 0 ) ); |
| assertEquals( depender3, downstreamProjects.get( 1 ) ); |
| assertEquals( depender4, downstreamProjects.get( 2 ) ); |
| assertEquals( depender2, downstreamProjects.get( 3 ) ); |
| } |
| |
| @Test |
| public void testNonTransitivesInOrder() |
| throws CycleDetectedException, DuplicateProjectException |
| { |
| final ProjectDependencyGraph graph = |
| new DefaultProjectDependencyGraph( Arrays.asList( depender1, depender4, depender2, depender3, aProject ) ); |
| |
| final List<MavenProject> downstreamProjects = graph.getDownstreamProjects( aProject, false ); |
| assertEquals( depender1, downstreamProjects.get( 0 ) ); |
| assertEquals( depender3, downstreamProjects.get( 1 ) ); |
| assertEquals( depender4, downstreamProjects.get( 2 ) ); |
| assertEquals( depender2, downstreamProjects.get( 3 ) ); |
| } |
| |
| @Test |
| public void testWithTransitiveOnly() |
| throws CycleDetectedException, DuplicateProjectException |
| { |
| final ProjectDependencyGraph graph = new DefaultProjectDependencyGraph( |
| Arrays.asList( depender1, transitiveOnly, depender2, depender3, aProject ) ); |
| |
| final List<MavenProject> downstreamProjects = graph.getDownstreamProjects( aProject, true ); |
| assertEquals( depender1, downstreamProjects.get( 0 ) ); |
| assertEquals( depender3, downstreamProjects.get( 1 ) ); |
| assertEquals( transitiveOnly, downstreamProjects.get( 2 ) ); |
| assertEquals( depender2, downstreamProjects.get( 3 ) ); |
| } |
| |
| @Test |
| public void testWithMissingTransitiveOnly() |
| throws CycleDetectedException, DuplicateProjectException |
| { |
| final ProjectDependencyGraph graph = new DefaultProjectDependencyGraph( |
| Arrays.asList( depender1, transitiveOnly, depender2, depender3, aProject ) ); |
| |
| final List<MavenProject> downstreamProjects = graph.getDownstreamProjects( aProject, false ); |
| assertEquals( depender1, downstreamProjects.get( 0 ) ); |
| assertEquals( depender3, downstreamProjects.get( 1 ) ); |
| assertEquals( depender2, downstreamProjects.get( 2 ) ); |
| } |
| |
| @Test |
| public void testGetUpstreamProjects() |
| throws CycleDetectedException, DuplicateProjectException |
| { |
| ProjectDependencyGraph graph = threeProjectsDependingOnASingle(); |
| final List<MavenProject> downstreamProjects = graph.getUpstreamProjects( depender1, true ); |
| assertEquals( aProject, downstreamProjects.get( 0 ) ); |
| } |
| |
| private ProjectDependencyGraph threeProjectsDependingOnASingle() |
| throws CycleDetectedException, DuplicateProjectException |
| { |
| return new DefaultProjectDependencyGraph( Arrays.asList( depender1, depender2, depender3, aProject ) ); |
| } |
| |
| private static MavenProject createA() |
| { |
| MavenProject result = new MavenProject(); |
| result.setGroupId( "org.apache" ); |
| result.setArtifactId( "A" ); |
| result.setVersion( "1.2" ); |
| return result; |
| } |
| |
| static Dependency toDependency( MavenProject mavenProject ) |
| { |
| final Dependency dependency = new Dependency(); |
| dependency.setArtifactId( mavenProject.getArtifactId() ); |
| dependency.setGroupId( mavenProject.getGroupId() ); |
| dependency.setVersion( mavenProject.getVersion() ); |
| return dependency; |
| } |
| |
| private static MavenProject createProject( List<Dependency> dependencies, String artifactId ) |
| { |
| MavenProject result = new MavenProject(); |
| result.setGroupId( "org.apache" ); |
| result.setArtifactId( artifactId ); |
| result.setVersion( "1.2" ); |
| result.setDependencies( dependencies ); |
| return result; |
| } |
| |
| } |