assertNull(exception.getCause());
    }

    public void test_constructor_withLongUsername() {
        // Test with a very long username
        String username = "verylongusername".repeat(10);
        FessUserNotFoundException exception = new FessUserNotFoundException(username);

        assertNotNull(exception);

    // ============================================================

    /** Property key for user information configuration. */
    public static final String USER_INFO_PROPERTY = "user.info";

    /** Property key for user favorite functionality configuration. */
    public static final String USER_FAVORITE_PROPERTY = "user.favorite";

    /** Property key for search log configuration. */

Wants=network-online.target
After=network-online.target opensearch.service
Requires=opensearch.service

[Service]
Environment=FESS_HOME=${packaging.fess.home.dir}
EnvironmentFile=-${packaging.env.file}

User=${packaging.fess.user}
Group=${packaging.fess.group}

ExecStart=${packaging.fess.bin.dir}/fess

# Connects standard output to /dev/null
StandardOutput=null

# Connects standard error to journal
StandardError=journal

        }
        return null;
    }

    /**
     * Performs logout operations for the specified user using SSO.
     *
     * @param user The user to logout
     * @return The logout URL from the SSO authenticator, or null if SSO is not available
     */
    public String logout(final FessUserBean user) {
        if (available()) {
            final SsoAuthenticator authenticator = getAuthenticator();

import org.codelibs.fess.opensearch.user.exentity.Group;
import org.codelibs.fess.opensearch.user.exentity.User;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin group management.
 * Provides RESTful API endpoints for managing user group settings in the Fess search engine.

        runtime.registerData("adminUser",
                fessConfig.isAdminUser(username) || fessLoginAssist.getSavedUserBean()
                        .map(user -> user.hasRoles(fessConfig.getAuthenticationAdminRolesAsArray()))
                        .orElse(false));

        runtime.registerData("pageLoginLink", fessConfig.isLoginLinkEnabled());
    }

import org.codelibs.fess.app.pager.GroupPager;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.user.cbean.GroupCB;
import org.codelibs.fess.opensearch.user.exbhv.GroupBhv;
import org.codelibs.fess.opensearch.user.exbhv.UserBhv;
import org.codelibs.fess.opensearch.user.exentity.Group;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.cbean.result.PagingResultBean;

        Method userMethod = processHandleInfoClass.getMethod("user");
        Method orElseMethod = optionalClass.getMethod("orElse", Object.class);

        Object current = currentMethod.invoke(null);
        Object info = infoMethod.invoke(current);
        Object user = userMethod.invoke(info);
        return (String) requireNonNull(orElseMethod.invoke(user, fromSystemProperty));

            echo " OK"
        fi

        # Create fess user if not existing
        if ! id $FESS_USER > /dev/null 2>&1 ; then
            echo -n "Creating $FESS_USER user..."
            useradd --system \
                    -M \
                    --gid "$FESS_GROUP" \
                    --shell /sbin/nologin \
                    --comment "fess user" \
                    -d "$FESS_USER_HOME"  \

        // Setup
        FessUserBean user = FessUserBean.empty();
        String expectedUrl = "https://example.com/logout?user=testuser123";
        authenticator.setLogoutUrl(expectedUrl);

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

        // Verify
        assertNotNull(result);
        assertEquals(expectedUrl, result);
        assertEquals(user, authenticator.getLastLogoutUser());
    }