String result = pingSearchEngineJob.execute();

        // Assert
        assertEquals("Status of test-cluster is changed to RED.", result);
        // Note: Notification sending is tested but we don't verify the mock since it uses complex callback mechanism
    }

    // Test state change with empty notification addresses
    @Test
    public void test_execute_stateChangeEmptyNotificationAddresses() {
        // Setup mock components

            // Override init to use our test config directly
            maxDocumentRequestSize = 1048576L;
            maxDocumentCacheSize = 10000;
            // Set ingestFactory using reflection since it's private
            if (ComponentUtil.hasComponent("ingestFactory")) {
                try {
                    java.lang.reflect.Field field = IndexUpdateCallbackImpl.class.getDeclaredField("ingestFactory");

     * This method catches exceptions for individual class registrations to ensure
     * that a failure to register one class doesn't prevent other classes from being registered.
     * Registration failures are logged at WARN level since they may cause serialization errors later.
     * </p>
     *
     * @param kryo the Kryo instance to register the class with
     * @param clazz the class to register
     */

                (field, text, boost) -> QueryBuilders.matchQuery(field, text).boost(boost));

        // Should fall back to default query builder since null != DEFAULT_FIELD and null is not a search field
        assertNotNull(result);
    }

    /**
     * Test FieldQueryBuilder functional interface.
     */
    @Test

            @Override
            public String getIndexFieldHost() {
                return "host";
            }

            @Override
            public String getIndexFieldSite() {
                return "site";
            }

            @Override
            public String getIndexFieldLastModified() {
                return "last_modified";
            }

            @Override

        crawlingInfoHelper.documentExpires = currentTime + 5000;

        // For this test, we'll focus on the documentExpires fallback logic
        // since creating full CrawlingConfig mocks would require implementing many abstract methods
        Date result = crawlingInfoHelper.documentExpires != null ? new Date(crawlingInfoHelper.documentExpires) : null;
        assertNotNull(result);

*[Fess Site Search](https://github.com/codelibs/fess-site-search)*は、[Google Site Search](https://enterprise.google.com/search/products/gss.html)の無料代替です。詳細については、[FSS JS Generatorのドキュメント](https://fss-generator.codelibs.org/docs/manual)を参照してください。

## 公式サイト

                if (getInputs() == null) {
                    return super.getInputsValue();
                }
                return super.getInputsValue();
            }
        };

        // Since we can't easily set inputs to null, test with empty array
        String[] emptyInputs = {};
        CharMappingItem emptyItem = new CharMappingItem(1L, emptyInputs, "output");
        assertEquals("", emptyItem.getInputsValue());

                    return "digest";
                case FessConfig.INDEX_FIELD_HOST:
                    return "host";
                case FessConfig.INDEX_FIELD_SITE:
                    return "site";
                case FessConfig.INDEX_FIELD_content_length:
                    return "content_length";
                case FessConfig.INDEX_FIELD_FILETYPE:
                    return "filetype";

 *
 * <p>Duplicate host configurations allow administrators to define hostname patterns
 * that should be treated as equivalent during crawling. This helps avoid indexing
 * duplicate content from the same logical site that may be accessible via different
 * hostnames (e.g., www.example.com and example.com).</p>
 */
public class DuplicateHostService extends FessAppService {

    /**
     * DBFlute behavior for duplicate host operations.