}

    String getCrawlerMetadataNameMapping();

    default Tuple3<String, String, String> getCrawlerMetadataNameMapping(final String name) {
        @SuppressWarnings("unchecked")
        Map<String, Tuple3<String, String, String>> params =
                (Map<String, Tuple3<String, String, String>>) propMap.get(CRAWLER_METADATA_NAME_MAPPING);
        if (params == null) {

                getQuery("\\+-&&||!(){}[]^~*?;:/", new String[0], Collections.emptyMap(), Collections.emptyMap(), true));
    }

    private String getAsQuery(final String query, final Map<String, String[]> conditions) {
        return getQuery(query, new String[0], Collections.emptyMap(), conditions, false);
    }

    private String getAsQuery(final Map<String, String[]> conditions) {

        assertNull(user.getName());

        // Test with special characters in name
        user = new TestFessUser("******@****.***", new String[] {}, new String[] {}, new String[] {});
        assertEquals("******@****.***", user.getName());

        // Test with Unicode characters
        user = new TestFessUser("ユーザー名", new String[] {}, new String[] {}, new String[] {});

        assertEquals(4, separatorCount);
    }

    public void test_getCacheKey_emptyArrays() {
        String seed = "test_seed";
        String[] tags = new String[0];
        String[] roles = new String[0];
        String[] fields = new String[0];
        String[] excludes = new String[0];

        String result = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);

        assertNotNull(result);

            @Override
            public String[] getQueryAdditionalHighlightedFields(String... fields) {
                return fields;
            }

            @Override
            public String[] getQueryAdditionalSearchFields(String... fields) {
                return fields;
            }

            @Override
            public String[] getQueryAdditionalFacetFields(String... fields) {
                return fields;

            .withFeatures(CollectionFeature.SUPPORTS_ITERATOR_REMOVE)
            .createTestSuite());

    Function<String, String> removeFirstCharacter =
        new Function<String, String>() {
          @Override
          public String apply(String input) {
            return input.substring(1);
          }
        };

    suite.addTest(
        CollectionTestSuiteBuilder.using(

        }

        @Override
        public String toImplementationClassName(String className) {
            return className + "Impl";
        }

        @Override
        public String fromActionNameToPath(String actionName) {
            return "/" + actionName.toLowerCase();
        }

        @Override
        public String fromPathToActionName(String path) {
            return path.substring(1).toLowerCase();

    private static class MockHttpServletRequest implements HttpServletRequest {
        private String queryString;
        private String servletPath;
        private String method = "GET";
        private String requestURI = "/";
        private final Map<String, String> headers = new java.util.HashMap<>();

        public void setQueryString(String queryString) {
            this.queryString = queryString;
        }

            public String getRoleSearchUserPrefix() {
                return "U";
            }
        });

        ComponentUtil.register(new LdapManager() {
            @Override
            public String[] getRoles(LdapUser user, String baseDn, String accountFilter, String groupFilter, Consumer<String[]> callback) {
                return new String[] { "Rrole1", "Rrole2", "Ggroup1", "Uuser1" };
            }

     *
     * @param input the input object (String[], List, or String)
     * @return joined string with elements separated by spaces, or empty string if invalid input
     */
    public static String join(final Object input) {
        String[] values = null;
        if (input instanceof String[]) {
            values = (String[]) input;
        } else if (input instanceof List) {