@Override
    public int getDegreeOfConcurrency() {
        return getMavenSession().getRequest().getDegreeOfConcurrency();
    }

    @Nonnull
    @Override
    public Instant getStartTime() {
        return getMavenSession().getRequest().getStartInstant();
    }

    @Override
    public Path getRootDirectory() {
        return getMavenSession().getRequest().getRootDirectory();
    }

    @Override

    @Override
    public Optional<Path> getPath(@Nonnull Artifact artifact) {
        String id = id(requireNonNull(artifact, "artifact cannot be null"));
        if (session.getMavenSession().getAllProjects() != null) {
            for (MavenProject project : session.getMavenSession().getAllProjects()) {
                if (id.equals(id(project.getArtifact()))
                        && project.getArtifact().getFile() != null) {

        }
        return result;
    }

    public static MavenSession getMavenSession(MavenProject mavenProject) {
        final MavenSession session = getMavenSession();
        session.setCurrentProject(mavenProject);
        return session;
    }

    public static MavenSession getMavenSession() {
        final DefaultMavenExecutionResult defaultMavenExecutionResult = new DefaultMavenExecutionResult();

        ProjectDependencyGraph dependencyGraph = new ProjectDependencyGraphStub();
        final MavenSession session = ProjectDependencyGraphStub.getMavenSession();

        ConcurrencyDependencyGraph graph =
                new ConcurrencyDependencyGraph(getProjectBuildList(session), dependencyGraph);

                dependencyResolver));
        return services;
    }

    @Test
    void testTrivialConsumer() throws Exception {
        InternalMavenSession.from(InternalSession.from(session))
                .getMavenSession()
                .getRequest()
                .setRootDirectory(Paths.get("src/test/resources/consumer/trivial"));

        Path file = Paths.get("src/test/resources/consumer/trivial/child/pom.xml");

/**
 */
class BuilderCommonTest {
    private Logger logger = mock(Logger.class);

    @Test
    void testResolveBuildPlan() throws Exception {
        MavenSession original = ProjectDependencyGraphStub.getMavenSession();

        final TaskSegment taskSegment1 = new TaskSegment(false);
        final MavenSession session1 = original.clone();
        session1.setCurrentProject(ProjectDependencyGraphStub.A);

    @Test
    void testGraph() throws Exception {

        ProjectBuildList projectBuildList =
                ProjectDependencyGraphStub.getProjectBuildList(ProjectDependencyGraphStub.getMavenSession());

        ProjectDependencyGraph projectDependencyGraph = new ProjectDependencyGraphStub();

        ConcurrencyDependencyGraph graph = new ConcurrencyDependencyGraph(projectBuildList, projectDependencyGraph);

        BuildListCalculator buildListCalculator = new BuildListCalculator();
        final MavenSession session = ProjectDependencyGraphStub.getMavenSession();
        List<TaskSegment> taskSegments = lifecycleTaskSegmentCalculator.calculateTaskSegments(session);

        final ProjectBuildList buildList = buildListCalculator.calculateProjectBuilds(session, taskSegments);

/**
 */
class ProjectBuildListTest {
    @Test
    void testGetByTaskSegment() throws Exception {
        final MavenSession session = ProjectDependencyGraphStub.getMavenSession();
        ProjectBuildList projectBuildList = ProjectDependencyGraphStub.getProjectBuildList(session);
        TaskSegment taskSegment = projectBuildList.get(0).getTaskSegment();
        assertTrue(

        BuildListCalculator buildListCalculator = new BuildListCalculator();
        final MavenSession session = ProjectDependencyGraphStub.getMavenSession();
        List<TaskSegment> taskSegments = lifecycleTaskSegmentCalculator.calculateTaskSegments(session);
        final ProjectBuildList buildList = buildListCalculator.calculateProjectBuilds(session, taskSegments);