private FilterChain filterChain;

    @Mock
    private HttpSession httpSession;

    @Mock
    private ServletOutputStream servletOutputStream;

    @BeforeEach
    void setUp() throws Exception {
        filter = new NtlmHttpFilter();

        // Setup lenient stubs for common mock interactions
        lenient().when(request.getSession()).thenReturn(httpSession);

        @Override
        public StringBuffer getRequestURL() {
            return null;
        }

        @Override
        public HttpSession getSession(boolean create) {
            return null;
        }

        @Override
        public HttpSession getSession() {
            return null;
        }

        @Override
        public String changeSessionId() {
            return null;

import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.WriteListener;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jcifs.SmbResourceLocator;
import jcifs.context.SingletonContext;
import jcifs.smb.NtlmPasswordAuthentication;
import jcifs.smb.SmbFile;

/**
 * Unit tests for the NetworkExplorer servlet.

import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jcifs.smb1.Config;
import jcifs.smb1.UniAddress;
import jcifs.smb1.smb1.NtStatus;
import jcifs.smb1.smb1.NtlmChallenge;
import jcifs.smb1.smb1.NtlmPasswordAuthentication;
import jcifs.smb1.smb1.SmbAuthException;

import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.render.RenderData;
import org.lastaflute.web.util.LaRequestUtil;

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpSession;

/**
 * The action for search operations.
 */
public class SearchAction extends FessSearchAction {

    /**
     * Default constructor.
     */
    public SearchAction() {
        super();
    }

import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Config;
import jcifs.config.PropertyConfiguration;
import jcifs.context.BaseContext;
import jcifs.netbios.UniAddress;

import com.google.common.io.BaseEncoding;
import com.google.common.io.BaseEncoding.DecodingException;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * OpenID Connect authenticator for SSO integration.
 */
public class OpenIdConnectAuthenticator implements SsoAuthenticator {

    /**
     * Default constructor.
     */

import jakarta.servlet.ServletConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.NameServiceClient;
import jcifs.smb.NtlmPasswordAuthentication;

/**

import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * Helper class for managing user information and session tracking in Fess search system.
 * This class handles user identification through cookies, session management, and query tracking.

import org.lastaflute.web.response.next.HtmlNext;
import org.lastaflute.web.ruts.process.ActionRuntime;

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * Abstract base class for search-related actions in the Fess search application.
 * Provides common functionality for search operations, including search form handling,