// Verify
        assertTrue(result.isPresent());
        assertEquals(Locale.UK, result.get());
    }

    // Test findBusinessLocale with blank parameter name
    public void test_findBusinessLocale_withBlankParameterName() {
        // Setup mock config with blank parameter name
        FessConfig mockConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getQueryBrowserLangParameterName() {

        // Test empty string (should be valid)
        bean.setCronExpression("");
        violations = validator.validate(bean);
        assertTrue(violations.isEmpty());

        // Test blank string (should be valid)
        bean.setCronExpression("   ");
        violations = validator.validate(bean);
        assertTrue(violations.isEmpty());
    }

    // Test validation with invalid cron expressions

        // Test that constructor works properly
        assertNotNull(new LtrQueryRescorer());
    }

    public void test_evaluate_withBlankModelName() {
        // Test when model name is blank
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getLtrModelName() {
                return "";
            }

            @Override

// of leak checking. It excludes testing or runtime ones.
func pickRelevantGoroutines() (gs []string) {
	// get runtime stack buffer.
	buf := debug.Stack()
	// runtime stack of go routines will be listed with 2 blank spaces between each of them, so split on "\n\n" .
	for g := range strings.SplitSeq(string(buf), "\n\n") {
		// Again split on a new line, the first line of the second half contains the info about the go routine.

        queryContext = new QueryContext("", false);
        assertEquals("*", queryContext.getQueryString());
        assertNull(queryContext.getDefaultField());
    }

    // Test constructor with blank query string
    public void test_constructor_blankQueryString() {
        queryContext = new QueryContext("   ", false);
        assertEquals("*", queryContext.getQueryString());

        docMap.put("_id", "nonexistent");

        File result = thumbnailManager.getThumbnailFile(docMap);
        assertNull(result);
    }

    // Test getThumbnailFile with blank path
    public void test_getThumbnailFile_blankPath() {
        Map<String, Object> docMap = new HashMap<>();
        // No _id field, so docid will be null

        corsFilter.doFilter(mockRequest, mockResponse, mockFilterChain);

        assertTrue(mockFilterChain.wasDoFilterCalled());
        assertFalse(corsHandlerFactory.wasGetCalled());
    }

    // Test with blank Origin header
    public void test_doFilter_blankOriginHeader() throws IOException, ServletException {
        mockRequest.setHeader("Origin", "");

        corsFilter.doFilter(mockRequest, mockResponse, mockFilterChain);

        LdapUser user = new LdapUser(emptyEnv, "user");
        assertTrue(user.getEnvironment().isEmpty());
    }

    public void test_getPermissions_withoutLdapConfig() {
        // Test when baseDn or accountFilter is blank
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getLdapBaseDn() {
                return "";
            }

            @Override

        assertTrue(result.contains("Session Id:"));
        assertTrue(result.contains("Process is terminated due to 60 second exceeded") || result.contains("Process terminated"));
    }

    // Test executePython with blank filename
    public void test_executePython_blankFilename() {
        pythonJob.filename("");

        try {
            pythonJob.executePython();
            fail("Should throw JobProcessingException");

        assertFalse(searchRequestParams.hasConditionQuery());
    }

    public void test_hasConditionQuery_withBlankQuery() {
        // Test with blank query parameter
        testParams.conditions.put(SearchRequestParams.AS_Q, new String[] { "   " });
        assertFalse(searchRequestParams.hasConditionQuery());
    }