*/
    @Test
    @DisplayName("Test constructor initializes fields correctly")
    public void testConstructor() throws Exception {
        // Given
        String oldFileName = "oldFile.txt";
        String newFileName = "newFile.txt";

        // When
        smbComRename = new SmbComRename(config, oldFileName, newFileName);

        // Then

        assertNull(result);
    }

    @Test
    void testGetByNameWithValidEntry() throws IOException {
        // Create a temporary lmhosts file
        File lmhostsFile = tempDir.resolve("lmhosts").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("192.168.1.100 TESTHOST\n");
            writer.write("10.0.0.1      SERVER01\n");
        }

        NetworkExplorer spyExplorer = spy(networkExplorer);
        doNothing().when(spyExplorer).doFile(any(), any(), any());

        // Call the method
        spyExplorer.doFile(request, response, smbFile);

        // Verify the method was called
        verify(spyExplorer).doFile(eq(request), eq(response), eq(smbFile));
    }

    /**
     * Test doDirectory method directly - simplified test

     */
    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 (varPath != null) {
                baseDir = new File(varPath, THUMBNAILS_DIR_NAME);
            } else {
                baseDir = ResourceUtil.getThumbnailPath().toFile();
            }
        }
        if (baseDir.mkdirs()) {
            logger.info("Created thumbnail directory: {}", baseDir.getAbsolutePath());
        }
        if (!baseDir.isDirectory()) {

     * @param req the HTTP servlet request
     * @param resp the HTTP servlet response
     * @param file the SMB file to download
     * @throws IOException if an I/O error occurs
     */
    protected void doFile(final HttpServletRequest req, final HttpServletResponse resp, final SmbFile file) throws IOException {
        final byte[] buf = new byte[8192];

        @SuppressWarnings("resource")

     * @return The base directory above the root package.
     */
    protected static File getBaseDir(final URL url, final String baseName) {
        assertArgumentNotNull("url", url);

        File file = URLUtil.toFile(url);
        final String[] paths = StringUtil.split(baseName, "/");
        for (final String path : paths) {
            file = file.getParentFile();
        }
        return file;
    }

    /**

/**
 * @author koichik
 *
 */
public class FileUtilTest {

    URL url = ResourceUtil.getResource(getClass().getName().replace('.', '/') + ".txt");

    File inputFile = URLUtil.toFile(url);

    @Rule
    public TemporaryFolder tempFolder = new TemporaryFolder();

    /**
     * @throws Exception
     */
    @Test
    public void testFileToFile() throws Exception {

     * @param req the HTTP servlet request
     * @param resp the HTTP servlet response
     * @param file the SMB file to download
     * @throws IOException if an I/O error occurs
     */
    protected void doFile(final HttpServletRequest req, final HttpServletResponse resp, final SmbFile file) throws IOException {
        final byte[] buf = new byte[8192];
        String url, type;
        int n;

                }
            } catch (final Exception e) {
                throw new PluginException("Failed to install the artifact " + artifact.getName(), e);
            }
        } else {
            try (final InputStream in = new FileInputStream(url)) {
                CopyUtil.copy(in, ResourceUtil.getPluginPath(fileName).toFile());
            } catch (final Exception e) {