private File tempOutputFile;
    private Path tempDir;

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

        // Create a test implementation of ThumbnailGenerator

    private File tempDir;

    @Override
    public void setUp() throws Exception {
        super.setUp();

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

        // Create a test thumbnail manager with minimal initialization
        thumbnailManager = new TestThumbnailManager();

    private ThemeHelper themeHelper;
    private Path tempDir;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        themeHelper = new ThemeHelper();
        tempDir = Files.createTempDirectory("theme-test");
        Files.createDirectories(Paths.get("target", "fess", "WEB-INF", "view"));
        Files.createDirectories(Paths.get("target", "fess", "WEB-INF", "plugin"));

            }
        };
        ComponentUtil.register(systemHelper, "systemHelper");

        // Create temporary directory for test JAR files
        tempDir = Files.createTempDirectory("datastore-test").toFile();
        tempDir.deleteOnExit();
    }

    @Override
    public void tearDown() throws Exception {
        // Clean up temporary files

    }

    public void test_writeThreadDump_withSpecialCharacters() throws IOException {
        // Test with file path containing special characters
        Path tempDir = Files.createTempDirectory("test-スレッドダンプ-dir");
        Path tempFile = tempDir.resolve("thread-dump-テスト.txt");

        try {
            ThreadDumpUtil.writeThreadDump(tempFile.toString());

    return new File(new File(path).toURI());
  }

  private static URL makeJarUrlWithName(String name) throws IOException {
    /*
     * TODO: cpovirk - Use java.nio.file.Files.createTempDirectory instead of
     * c.g.c.io.Files.createTempDir?
     */
    File fullPath = new File(Files.createTempDir(), name);
    File jarFile = pickAnyJarFile();
    Files.copy(jarFile, fullPath);

    @Override
    public void setUp() throws Exception {
        super.setUp();
        thumbnailJob = new GenerateThumbnailJob();

        // Create temporary directory
        tempDir = Files.createTempDirectory("test").toFile();
        tempDir.deleteOnExit();

        // Setup test components
        testProcessHelper = new TestProcessHelper();
        ComponentUtil.register(testProcessHelper, "processHelper");

        }
    }

    @Override
    public void setUp() throws Exception {
        super.setUp();
        execJob = new TestExecJob();
        tempDir = Files.createTempDirectory("execjob_test").toFile();

        // Store original helpers
        originalSystemHelper = ComponentUtil.hasComponent("systemHelper") ? ComponentUtil.getSystemHelper() : null;