import org.codelibs.core.lang.StringUtil;

/**
 * Constants class that extends CoreLibConstants and contains application-wide constant values for the Fess search engine.
 * This class provides constants for system configuration, crawling and indexing defaults, user agent strings,
 * status values, field names, date/time formats, authentication types, and various reserved words and patterns.
 *
 * <p>Key constant categories include:</p>
 * <ul>

import org.codelibs.fess.Constants;
import org.codelibs.fess.unit.UnitFessTestCase;

public class SystemUtilTest extends UnitFessTestCase {

    public void test_getSearchEngineHttpAddress_null() {
        // Clear the system property to test null case
        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
        System.clearProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        getMockRequest().setAttribute(Constants.FIELD_LOGS, new HashMap<String, List<String>>());
        queryContext = new QueryContext("test", true);
        assertEquals("test", queryContext.getQueryString());

        // Verify that highlighting and field log are initialized
        assertNotNull(getMockRequest().getAttribute(Constants.HIGHLIGHT_QUERIES));

        }

        final String[] searchers = DocumentUtil.getValue(docMap, Constants.SEARCHER, String[].class);
        if (searchers != null) {
            docMap.put(Constants.SEARCHER, ArrayUtil.add(searchers, getName()));
        } else {
            docMap.put(Constants.SEARCHER, new String[] { getName() });
        }

        return docMap;
    }

                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();
                        copyOp.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE),
                                Stream.of(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS)).toArray(n -> new String[n]));
                    });
                    final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();

            }
        }

        assertEquals("Should have exactly one serialVersionUID", 1, serialVersionUIDCount);
        assertTrue("Should have many label constants", labelConstantCount > 100);
    }

    /**
     * Test that label constant values match their field names
     */
    public void test_labelConstantValueMatchesName() throws Exception {
        Field[] fields = FessLabels.class.getDeclaredFields();

    public static String formatDate(final Date date) {
        if (date == null) {
            return StringUtil.EMPTY;
        }
        final SimpleDateFormat sdf = new SimpleDateFormat(Constants.ISO_DATETIME_FORMAT);
        sdf.setTimeZone(Constants.TIMEZONE_UTC);
        return sdf.format(date);
    }

    /**
     * Formats a LocalDateTime object to ISO datetime string format.
     *

        int result = crawler.doCrawl(options);
        assertEquals(Constants.EXIT_OK, result);
    }

    public void test_doCrawl_withWebConfigIds() {
        Crawler.Options options = new Crawler.Options();
        options.sessionId = "test-session";
        options.webConfigIds = "web1,web2";

        int result = crawler.doCrawl(options);
        assertEquals(Constants.EXIT_OK, result);
    }

            System.clearProperty(Constants.FESS_CONFIG_PREFIX + testKey);
        }
    }

    // Test getting numeric configuration values
    public void test_get_numericValues() {
        String intKey = "numeric.int";
        String floatKey = "numeric.float";

        System.setProperty(Constants.FESS_CONFIG_PREFIX + intKey, "123");
        System.setProperty(Constants.FESS_CONFIG_PREFIX + floatKey, "45.67");

    }

    public void test_getProcessTypeList_crawlerMode() {
        System.setProperty("lasta.env", Constants.EXECUTE_TYPE_CRAWLER);
        try {
            final List<String> ptList = pathMappingHelper.getProcessTypeList();
            assertEquals(1, ptList.size());
            assertEquals(Constants.PROCESS_TYPE_REPLACE, ptList.get(0));
        } finally {
            System.clearProperty("lasta.env");
        }