}

    @Test
    @DisplayName("getSession(): may return null and should be observed as such")
    void getSession_returnsNull() {
        // Arrange
        when(handle.getSession()).thenReturn(null);

        // Act
        SmbSession result = handle.getSession();

        // Assert
        assertNull(result);
        verify(handle).getSession();
    }

    @Test

        final Parent parent = new Parent();
        parent.setGroupId("ut.simple");
        parent.setArtifactId("artifact");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,
                () -> newModelResolver().resolveModel(parent),

            break;
        default:
            messages.addErrorsBlankPassword(GLOBAL);
            break;
        }
    }

    private OptionalThing<HttpSession> getSession() {
        final HttpSession session = request.getSession(false);
        if (session != null) {
            return OptionalEntity.of(session);
        }
        return OptionalEntity.empty();
    }

                    plugin.setVersion(versions.get(plugin.getKey()));
                    if (plugin.getVersion() == null) {
                        PluginVersionRequest request = new DefaultPluginVersionRequest(
                                plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
                        plugin.setVersion(pluginVersionResolver.resolve(request).getVersion());

    @Inject
    private ArtifactRepositoryFactory artifactRepositoryFactory;

    @Override
    public AuthenticationInfo getAuthenticationInfo(String id) {
        MavenSession session = legacySupport.getSession();

        if (session != null && id != null) {
            MavenExecutionRequest request = session.getRequest();

            if (request != null) {
                List<Server> servers = request.getServers();

    @Override
    public void onEvent(Object arg) throws Exception {
        if (arg instanceof ExecutionEvent ee) {
            InternalMavenSession session =
                    InternalMavenSession.from(ee.getSession().getSession());
            EventType eventType = convert(ee.getType());
            Collection<Listener> listeners = session.getListeners();
            if (!listeners.isEmpty()) {

        Metadata metadata = new Metadata();
        metadata.setVersioning(versioning);
        metadata.setGroupId(artifact.getGroupId());
        metadata.setArtifactId(artifact.getArtifactId());
        metadata.setVersion(artifact.getBaseVersion());
        metadata.setModelVersion("1.1.0");
        return metadata;
    }

    public void bind(Artifact artifact) {
        artifacts.add(artifact);
    }

    @Deprecated

        InternalSession session = InternalSession.from(request.getSession());
        return session.request(request, this::doBuild);
    }

    protected ProjectBuilderResult doBuild(ProjectBuilderRequest request)
            throws ProjectBuilderException, IllegalArgumentException {
        InternalMavenSession session = InternalMavenSession.from(request.getSession());

        // Propagate the parallel flag to the root session and all the cloned sessions in each project segment
        session.setParallel(parallel);
        for (ProjectSegment segment : projectBuilds) {
            segment.getSession().setParallel(parallel);
        }
        ExecutorService executor = Executors.newFixedThreadPool(nThreads, new BuildThreadFactory());
        CompletionService<ProjectSegment> service = new ExecutorCompletionService<>(executor);

                }

                Plugin plugin = new Plugin();
                plugin.setGroupId(gs.groupId);
                plugin.setArtifactId(gs.artifactId);
                plugin.setVersion(gs.version);

                plugin.setLocation("", location);
                plugin.setLocation("groupId", location);
                plugin.setLocation("artifactId", location);