}

    @Test
    public void test_getLogFilePath() {
        final File logFile = new File(systemHelper.getLogFilePath());
        assertEquals("logs", logFile.getName());
        assertEquals("target", logFile.getParentFile().getName());
        try {
            System.setProperty("fess.log.path", "logpath");

    @Test
    public void test_isValidUploadPath_pathTraversal_outsideBase() throws Exception {
        // Test file outside base directory
        File baseDir = new File(tempDir.toFile(), "images");
        baseDir.mkdirs();
        File outsideFile = new File(tempDir.toFile(), "css/style.css");

        Boolean result = invokeIsValidUploadPath(outsideFile, baseDir);
        assertFalse("File outside base directory should be blocked", result);

            assertTrue("Error message should contain var path: " + message, message.contains(varDir.toFile().getCanonicalPath()));
            assertTrue("Error message should contain webapp path: " + message, message.contains(webappDir.toFile().getCanonicalPath()));
            assertTrue("Error message should contain conf path: " + message, message.contains(confDir.toFile().getCanonicalPath()));
        }
    }

    @Test

    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
        thumbnailGenerator = new TestThumbnailGenerator();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {

        .listFiles()
        ?.associateWith { dir ->
            val dirPath = dir.toPath()
            Files.walk(dirPath).use { paths ->
                paths.filter { !it.toFile().isDirectory }
                    .limit(4)
                    .map { dirPath.relativize(it).toString() }
                    .collect(Collectors.toList())
            }
        }?.filter {

    @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
        thumbnailManager = new TestThumbnailManager();
        thumbnailManager.baseDir = tempDir;

    fun File.withUniqueDirectory(prefixPath: String): File =
        Files.createTempDirectory(
            withDirectory(prefixPath.substringBeforeLast("/")).toPath(),
            prefixPath.substringAfterLast("/")
        ).toFile()

    private
    fun File.withDirectory(path: String): File =
        resolve(path).apply {
            mkdirs()
        }

    private

     */
    public static File[] getPluginJarFiles(final FilenameFilter filter) {
        final File libDir = getPluginPath().toFile();
        if (!libDir.exists()) {
            return new File[0];
        }
        return libDir.listFiles(filter);
    }

    /**
     * Resolves system properties in a given string.

            if (normalizedPath.contains("..")) {
                throw new IllegalArgumentException("Invalid file path: path=" + path);
            }
            final File file = filePath.toFile();
            final String canonicalPath = file.getCanonicalPath();
            final String[] allowedPathProperties = { "fess.var.path", "fess.webapp.path", "fess.conf.path" };
            boolean isAllowed = false;

            // Read and verify file content
            List<String> lines = new ArrayList<>();
            try (BufferedReader reader =
                    new BufferedReader(new InputStreamReader(new FileInputStream(tempFile.toFile()), Constants.CHARSET_UTF_8))) {
                String line;
                while ((line = reader.readLine()) != null) {
                    lines.add(line);
                }
            }