}

    @Test
    public void test_nullSafeGetResponse() {
        SpnegoAuthenticator authenticator = new SpnegoAuthenticator();

        // SPNEGO typically doesn't provide special response handling
        org.lastaflute.web.response.ActionResponse response = authenticator.getResponse(org.codelibs.fess.sso.SsoResponseType.METADATA);
        assertNull(response);

    @Test
    public void test_isValid_basic() {
        final CustomSize annotation = createBasicAnnotation();
        validator.initialize(annotation);

        // Test that the method can be called (even if context handling is complex)
        try {
            final boolean result = validator.isValid("test", null);
            assertNotNull(Boolean.valueOf(result), "isValid should return a boolean result");

 *
 * <ul>
 *   <li>happy‑path behaviour</li>
 *   <li>boundary arguments (e.g., negative indices, large values)</li>
 *   <li>string representation containing the class name</li>
 *   <li>null buffer handling</li>
 * </ul>
 */
final class TransWaitNamedPipeResponseTest {

    /**
     * Verify that the default constructor creates an instance.
     */
    @Test
    void constructorInitialisesInstance() {

import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Query command implementation for handling Boolean queries.
 * Converts Lucene BooleanQuery objects to OpenSearch BoolQueryBuilder objects.
 */
public class BooleanQueryCommand extends QueryCommand {
    /**
     * Default constructor for BooleanQueryCommand.

import org.junit.jupiter.api.Test;

/**
 * Unit tests for {@link NegTokenTarg}. The class has no external
 * collaborators so tests are mostly focused on round‑trip
 * serialisation and invalid input handling.
 */
class NegTokenTargTest {

    @Test
    @DisplayName("happy path – full token round‑trip")
    void testRoundTripFull() throws IOException {
        // Arrange – create a fully populated token

 *
 * <p>Key features include:</p>
 * <ul>
 * <li>Incremental crawling support with last-modified timestamp checking</li>
 * <li>Document expiration handling</li>
 * <li>Child URL extraction and queueing</li>
 * <li>Integration with Fess configuration and permission systems</li>
 * <li>Client selection based on URL patterns</li>
 * </ul>
 *
 * @see CrawlerThread

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

/**
 * Unit tests for the {@link AbstractUpgradeGoal} class.
 * Tests the shared functionality across upgrade goals including option handling,
 * .mvn directory creation, and upgrade orchestration.
 */
@DisplayName("AbstractUpgradeGoal")
class AbstractUpgradeGoalTest {

    @TempDir
    Path tempDir;

            assertTrue(afterRead.contains("pathConsumed="));
            assertTrue(afterRead.contains("numReferrals="));
        }
    }

    @Nested
    @DisplayName("Edge Cases and Error Handling")
    class EdgeCasesTests {

        @Test
        @DisplayName("Should handle malformed buffer gracefully")
        void testReadDataWireFormatMalformedBuffer() {

import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;

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

/**
 * Action class for handling thumbnail image requests.
 * Serves thumbnail images for documents in the search results.
 */
public class ThumbnailAction extends FessSearchAction {

    /**
     * Default constructor for ThumbnailAction.
     */

import org.lastaflute.web.util.LaRequestUtil;

/**
 * Utility class for web API operations.
 * Provides functionality for setting and retrieving objects from request attributes,
 * error handling, and validation in web API context.
 */
public final class WebApiUtil {

    /**
     * Request attribute key for storing web API exceptions.
     */