MavenProject projectA = createSucceededMavenProject("A");
        MavenProject projectB = createFailedMavenProject("B");
        MavenProject projectC = createSkippedMavenProject("C");
        projectC.setDependencies(singletonList(toDependency(projectB)));
        executionResult.setTopologicallySortedProjects(asList(projectA, projectB, projectC));

        this(projects, projects);
    }

    /**
     * Creates a new project dependency graph based on the specified projects.
     *
     * @param allProjects All collected projects.
     * @param projects    The projects to create the dependency graph with.
     * @throws DuplicateProjectException
     * @throws CycleDetectedException
     * @since 3.5.0

        // load the child project, which inherits from p0...
        MavenProject project0 = getProjectWithDependencies(pom0);
        MavenProject project1 = getProjectWithDependencies(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        System.out.println("Project " + project1.getId() + " " + project1);
        Map map = project1.getArtifactMap();
        assertNotNull(map, "No artifacts");

        File pom0Basedir = pom0.getParentFile();

        File pom1 = new File(pom0Basedir, "p1/pom.xml");

        // load everything...
        MavenProject project0 = getProject(pom0);
        MavenProject project1 = getProject(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
    }

 * under the License.
 */
package org.apache.maven.project;

import java.io.File;

/**
 * Exception that occurs when the project list contains duplicate projects instead of ignoring one.
 *
 */
public class DuplicateProjectException extends Exception {
    private final String projectId;

    private final File existingProjectFile;

    private final File conflictingProjectFile;

        // compute the projects mapping
        if (projects == null) {
            List<MavenProject> projects = session.getProjects();
            if (projects != null) {
                Map<String, Map<String, Map<String, MavenProject>>> map = new HashMap<>();
                projects.forEach(project -> map.computeIfAbsent(project.getGroupId(), k -> new HashMap<>())

        projects.add(project1);
        MavenProject project2 = createProject("groupId", "artifactId2", "1.0");
        projects.add(project2);
        project1.getDependencies().add(createDependency(project2));

        projects = new ProjectSorter(projects).getSortedProjects();

        assertEquals(project2, projects.get(0));
        assertEquals(project1, projects.get(1));
    }

    @Test

import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuilder;
import org.apache.maven.project.ProjectBuildingException;
import org.apache.maven.project.ProjectBuildingRequest;
import org.apache.maven.project.ProjectBuildingResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Utility to select projects for a given set of pom.xml files.
 */
@Named

            MavenProject project = new MavenProject(model);
            project.setOriginalModel(model);
            DefaultConsumerPomArtifactTransformer t = new DefaultConsumerPomArtifactTransformer((s, p, f) -> {
                try (InputStream is = Files.newInputStream(f)) {
                    return DefaultConsumerPomBuilder.transform(new MavenStaxReader().read(is), project);
                }
            });

                            .getData()
                            .computeIfAbsent(PROJECT_INDEX, () -> new ProjectIndex(session.getProjects()));

                    int index = projectIndex.getIndices().get(projectId);

                    MavenProject forkedProject = projectIndex.getProjects().get(projectId);

                    forkedProjects.add(forkedProject);

                    MavenProject executedProject = forkedProject.clone();