assertNull(result);
    }

    // Test logout method
    @Test
    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);

        // Verify

        assertNotNull(response);
        assertEquals(expectedResponse, response);
    }

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

    @Test
    public void test_logout_whenAvailableButNoAuthenticator() {

    }

    /**
     * SSO logout endpoint.
     *
     * This method handles SSO logout requests, coordinating with the SSO provider
     * to properly terminate the user's SSO session. It may involve redirecting
     * to the SSO provider's logout endpoint or performing local logout operations.
     *
     * @return ActionResponse directing to the logout page or SSO provider logout endpoint
     */
    @Execute

 * such as metadata requests and logout actions.
 */
public enum SsoResponseType {
    /**
     * Indicates a request for SSO metadata, which is typically used for
     * configuration and discovery in protocols like SAML.
     */
    METADATA,

    /**
     * Indicates a request to perform a logout operation, terminating the
     * user's SSO session.
     */
    LOGOUT;

        assertSame(metadata1, metadata2);

        SsoResponseType logout1 = SsoResponseType.LOGOUT;
        SsoResponseType logout2 = SsoResponseType.valueOf("LOGOUT");
        assertSame(logout1, logout2);
    }

    @Test
    public void test_switchStatement() {
        // Test enum usage in switch statement

		redirectPage.append("/error/systemerror/");
		response.sendRedirect(redirectPage.toString());
	} else {
		response.sendError(statusCode);
	}
} else if("logOut".equals(type)) {
	redirectPage.append("/login/?type=logout&code=" + statusCode);
	response.sendRedirect(redirectPage.toString());
} else if("badRequest".equals(type)) {
	redirectPage.append("/error/badrequest/");

		redirectPage.append("/error/systemerror/");
		response.sendRedirect(redirectPage.toString());
	} else {
		response.sendError(statusCode);
	}
} else if("logOut".equals(type)) {
	redirectPage.append("/login/?type=logout&code=" + statusCode);
	response.sendRedirect(redirectPage.toString());
} else if("badRequest".equals(type)) {
	redirectPage.append("/error/badrequest/");

    /**
     * Handles user logout and redirects to the login page.
     *
     * @return the HTML response after logout
     */
    @Execute
    public HtmlResponse index() {
        final OptionalThing<FessUserBean> userBean = getUserBean();
        activityHelper.logout(userBean);
        final String redirectUrl = userBean.map(user -> ComponentUtil.getSsoManager().logout(user)).orElse(null);
        fessLoginAssist.logout();

     * @return The action response.
     */
    ActionResponse getResponse(SsoResponseType responseType);

    /**
     * Performs logout for the specified user.
     * @param user The user to logout.
     * @return The logout URL or null if not applicable.
     */
    String logout(FessUserBean user);

            }
        }
        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()) {