final String sessionId = "session123";
        indexUpdater.addFinishedSessionId(sessionId);
        assertTrue(indexUpdater.finishedSessionIdList.contains(sessionId));
    }

    // Test addFinishedSessionId with multiple sessions
    public void test_addFinishedSessionId_multiple() {
        indexUpdater.addFinishedSessionId("session1");
        indexUpdater.addFinishedSessionId("session2");

    }

    /**
     * Extracts the canonical session ID by removing any suffix after the first hyphen.
     * If the session ID contains a hyphen, returns the portion before the first hyphen.
     * Otherwise, returns the original session ID.
     *
     * @param sessionId the session ID to process
     * @return the canonical session ID (portion before first hyphen, or original if no hyphen)
     */

        if (options.sessionId != null) {
            options.sessionId = options.sessionId.replaceAll("-", "_");
        }

        // Check that sessionId was sanitized (hyphens replaced with underscores)
        assertEquals("test_session_123", options.sessionId);
    }

    public void test_process_withPropertiesPath() throws Exception {
        // Test that properties path is properly handled

     * This method starts crawling only for the data configurations
     * specified in the configIdList parameter.
     *
     * @param sessionId unique identifier for this crawling session
     * @param configIdList list of data configuration IDs to crawl
     */
    public void crawl(final String sessionId, final List<String> configIdList) {

     */
    public static class Options {

        /** Session ID for the crawling session. If not provided, a timestamp-based ID will be generated. */
        @Option(name = "-s", aliases = "--sessionId", metaVar = "sessionId", usage = "Session ID")
        public String sessionId;

        /** Name for the crawling session for identification purposes. */

    /**
     * Adds a finished session ID to the cleanup list.
     * This method is thread-safe and adds the session ID to be cleaned up later.
     *
     * @param sessionId the crawler session ID that has finished processing
     */
    public void addFinishedSessionId(final String sessionId) {
        synchronized (finishedSessionIdList) {
            finishedSessionIdList.add(sessionId);
        }
    }

    /**

    public void test_execute_withCustomSessionId() {
        pythonJob.filename("test.py");
        pythonJob.sessionId = "custom-session-123";

        testProcessHelper.exitValue = 0;

        String result = pythonJob.execute();

        assertTrue(result.contains("Session Id: custom-session-123"));
        assertEquals("custom-session-123", pythonJob.sessionId);
    }

    // Test execute with process failure

        // Execute without setting session ID
        String result = crawlJob.execute();

        assertNotNull(crawlJob.sessionId);
        // Check format: yyyyMMddHHmmss
        assertEquals(14, crawlJob.sessionId.length());
        assertTrue(crawlJob.sessionId.matches("\\d{14}"));
        assertTrue(result.contains("Session Id: " + crawlJob.sessionId));
    }

    }

    // Test session ID generation
    public void test_sessionIdGeneration() {
        assertNull(suggestJob.sessionId);

        mockProcessHelper.setExitValue(0);
        suggestJob.execute();

        assertNotNull(suggestJob.sessionId);
        assertEquals(15, suggestJob.sessionId.length());
        // Check that session ID contains only alphabetic characters

    }

    /**
     * Retrieves or creates the result document IDs cache from the session.
     * The cache is implemented as an LRU map to limit memory usage.
     *
     * @param session the HTTP session
     * @return the result document IDs cache map
     */
    private Map<String, String[]> getResultDocIdsCache(final HttpSession session) {
        @SuppressWarnings("unchecked")