}

    public FessUser getFessUser() {
        return user;
    }

    public static FessUserBean empty() {
        return new FessUserBean(null) {
            private static final long serialVersionUID = 1L;

            @Override
            public String getUserId() {
                return Constants.EMPTY_USER_ID;

        assertTrue(fessUserBean.hasGroup("developers"));
        assertTrue(fessUserBean.hasGroup("testers"));
        assertTrue(fessUserBean.hasGroup("managers"));
        assertFalse(fessUserBean.hasGroup("guests"));

        // Test with null check
        assertFalse(fessUserBean.hasGroup(null));
    }

    public void test_hasGroups() {
        // Test with no groups

import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.SearchRequestParams;
import org.codelibs.fess.helper.ViewHelper;
import org.codelibs.fess.mylasta.action.FessUserBean;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.client.SearchEngineClient.SearchCondition;
import org.codelibs.fess.opensearch.client.SearchEngineClient.SearchConditionBuilder;

        // Verify
        assertNull(result);
    }

    // Test logout method
    public void test_logout_withValidUser() {
        // Setup
        FessUserBean user = FessUserBean.empty();
        String expectedUrl = "https://example.com/logout?user=testuser123";
        authenticator.setLogoutUrl(expectedUrl);

        // Execute
        String result = authenticator.logout(user);

        assertEquals(expectedResponse, response);
    }

    // Test logout() method
    public void test_logout_whenNotAvailable() {
        currentSsoType = Constants.NONE;
        FessUserBean user = FessUserBean.empty();
        assertNull(ssoManager.logout(user));
    }

    public void test_logout_whenAvailableButNoAuthenticator() {
        currentSsoType = "invalid";
        ssoManager = new SsoManager() {

    /**
     * Gets the user bean type class.
     *
     * @return the FessUserBean class
     */
    @Override
    protected Class<FessUserBean> getUserBeanType() {
        return FessUserBean.class;
    }

    /**
     * Gets the login action type class.
     *
     * @return the LoginAction class
     */
    @Override

import java.util.function.Consumer;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.helper.ActivityHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.action.FessUserBean;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalThing;

        TestRankFusionSearcher testSearcher = new TestRankFusionSearcher();
        String query = "user query";
        SearchRequestParams params = createTestSearchRequestParams();
        FessUserBean user = FessUserBean.empty();
        OptionalThing<FessUserBean> userBean = OptionalThing.of(user);

        SearchResult result = testSearcher.search(query, params, userBean);

        assertNotNull(result);

import org.codelibs.fess.app.web.base.FessLoginAction;
import org.codelibs.fess.app.web.base.login.LocalUserCredential;
import org.codelibs.fess.app.web.profile.ProfileAction;
import org.codelibs.fess.mylasta.action.FessUserBean;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.Execute;

    /**
     * Log the login activity.
     * @param user The user.
     */
    public void login(final OptionalThing<FessUserBean> user) {
        final Map<String, String> valueMap = new LinkedHashMap<>();
        valueMap.put("action", Action.LOGIN.name());
        valueMap.put("user", user.map(FessUserBean::getUserId).orElse("-"));
        valueMap.put("permissions",