private ThumbnailManager thumbnailManager;
    private File tempDir;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);

        // Create temp directory for testing
        tempDir = Files.createTempDirectory("thumbnail_test").toFile();
        tempDir.deleteOnExit();

        // Create a test thumbnail manager with minimal initialization

    }

    @Override
    protected Parser createParser() {
        return new MavenParser();
    }

    @Test
    void defaultFs(
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path cwd,
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path userHome)
            throws Exception {
        invoke(cwd, userHome, List.of("verify"), List.of());
    }

        // Clean up temp directory
        if (tempDir != null && Files.exists(tempDir)) {
            Files.walk(tempDir)
                    .sorted((a, b) -> b.compareTo(a)) // Delete files before directories
                    .forEach(path -> {
                        try {
                            Files.delete(path);
                        } catch (IOException e) {
                            // Ignore cleanup errors

 * .mvn directory creation, and upgrade orchestration.
 */
@DisplayName("AbstractUpgradeGoal")
class AbstractUpgradeGoalTest {

    @TempDir
    Path tempDir;

    private TestableAbstractUpgradeGoal upgradeGoal;
    private StrategyOrchestrator mockOrchestrator;

    @BeforeEach
    void setUp() {
        mockOrchestrator = mock(StrategyOrchestrator.class);

 */
@DisplayName("Upgrade Workflow Integration")
class UpgradeWorkflowIntegrationTest {

    @TempDir
    Path tempDir;

    private Apply applyGoal;
    private Check checkGoal;

    @BeforeEach
    void setUp() {
        // Create real strategy instances for integration testing
        List<UpgradeStrategy> strategies = List.of(
                new ModelUpgradeStrategy(),

        }
    }

    protected static File createDocRoot(final int count, final int port) {
        try {
            final File tempDir = File.createTempFile("crawlerDocRoot", "");
            tempDir.delete();
            tempDir.mkdirs();

            // robots.txt
            StringBuilder buf = new StringBuilder();
            buf.append("User-agent: *").append('\n');

    private ThumbnailGenerator thumbnailGenerator;
    private File tempOutputFile;
    private Path tempDir;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        tempDir = Files.createTempDirectory("thumbnail-test");
        tempOutputFile = Files.createTempFile(tempDir, "thumbnail", ".png").toFile();

        // Create a test implementation of ThumbnailGenerator

        testServletContext = new TestServletContext();
        testServletContext.tempDir = tempDir;
        ComponentUtil.register(testServletContext, ServletContext.class.getCanonicalName());
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        if (tempDir != null && tempDir.exists()) {
            deleteDirectory(tempDir);
        }
        ComponentUtil.setFessConfig(null);

    }

    protected static File createDocRoot(final int count) {
        try {
            final File tempDir = File.createTempFile("crawlerDocRoot", "");
            tempDir.delete();
            tempDir.mkdirs();

            final StringBuilder buf = new StringBuilder();
            buf.append("User-agent: *").append('\n');

            UpgradeContext context = createMockContext();

            // Create a temporary directory with a POM file for the test
            Path tempDir = Files.createTempDirectory("apply-test");
            try {
                Path pomFile = tempDir.resolve("pom.xml");
                String pomContent = PomBuilder.create()
                        .groupId("test")
                        .artifactId("test")