*
     * @param request the HTTP servlet request
     * @return the user code from request parameters, or null if not found or invalid
     */
    protected String getUserCodeFromRequest(final HttpServletRequest request) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String userCode = request.getParameter(fessConfig.getUserCodeRequestParameter());

    }

    /**
     * Processes a non-streaming chat request.
     *
     * @param request the HTTP request
     * @param response the HTTP response
     * @throws IOException if an I/O error occurs
     */
    protected void processChatRequest(final HttpServletRequest request, final HttpServletResponse response) throws IOException {
        if (!"POST".equalsIgnoreCase(request.getMethod())) {
            if (logger.isDebugEnabled()) {

        buf.append("12345ABCDE");
        request.setParameter("userCode", buf.toString());
        assertEquals("12345abcde12345ABCDE", userInfoHelper.getUserCodeFromRequest(request));
        request.setParameter("userCode", buf.toString() + "_");
        assertEquals("12345abcde12345ABCDE_", userInfoHelper.getUserCodeFromRequest(request));
        request.setParameter("userCode", buf.toString() + " ");

    /**
     * Deletes documents matching the specified search parameters.
     *
     * @param request The HTTP servlet request
     * @param params The search request parameters to identify documents to delete
     * @return Number of documents deleted
     */
    public long deleteByQuery(final HttpServletRequest request, final SearchRequestParams params) {

import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalThing;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;
import org.lastaflute.web.servlet.request.RequestManager;

public class FessUserLocaleProcessProviderTest extends UnitFessTestCase {

    private FessUserLocaleProcessProvider provider;

    @Override

        request.setParameterValues("facet.query", new String[] { "query1", "query2" });
        request.setParameter("facet.size", "100");
        request.setParameter("facet.minDocCount", "5");
        request.setParameter("facet.sort", "count");
        request.setParameter("facet.missing", "other");

        FacetInfo facetInfo = searchRequestParams.createFacetInfo(request);
        assertNotNull(facetInfo);

                assertSame(request, req);
                assertSame(response, res);
            }
        };

        // Setup WebApiManagerFactory that returns null
        WebApiManagerFactory factory = new WebApiManagerFactory() {
            @Override
            public WebApiManager get(HttpServletRequest req) {
                assertSame(request, req);
                return null;
            }

        CurlRequest request = curlHelper.delete("/test");

        assertNotNull(request);
        // The request should be properly created
    }

    @Test
    public void test_request_withMethodAndPath() {
        setupMockConfig("localhost:9200", "", "");

        curlHelper.init();
        CurlRequest request = curlHelper.request(Curl.Method.GET, "/test");

        assertNotNull(request);
    }

    @Test

        TestHttpServletRequest request = new TestHttpServletRequest();

        request.setRequestURI("/api/v1/search");
        assertTrue(manager.matches(request));

        request.setRequestURI("/api/v2/label");
        assertTrue(manager.matches(request));

        request.setRequestURI("/api/search");
        assertFalse(manager.matches(request));

        request.setRequestURI("/other/v1/search");

        }

        if (request != null) {
            request.setAttribute(USER_ROLES, roleSet);
        }
        return roleSet;
    }

    /**
     * Processes the access token.
     * @param request The HTTP request.
     * @param roleSet The set of roles.
     * @param isApiRequest Whether the request is an API request.