*/
public class ThumbnailGenerator {

    private static final Logger logger = LogManager.getLogger(ThumbnailGenerator.class);

    /**
     * OpenSearch client for accessing indexed documents.
     */
    @Resource
    public SearchEngineClient searchEngineClient;

    /**
     * Default constructor for ThumbnailGenerator.
     */
    public ThumbnailGenerator() {
        // Default constructor
    }

import org.lastaflute.di.core.factory.SingletonLaContainerFactory;

public class ThumbnailGeneratorTest extends UnitFessTestCase {

    private ThumbnailGenerator thumbnailGenerator;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        thumbnailGenerator = new ThumbnailGenerator();
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
    }

    }

    public void test_destroy() {
        // Test destroy method - should not throw exception
        thumbnailGenerator.destroy();
        // After destroy, generator should not be available
        assertFalse(thumbnailGenerator.isAvailable());
    }

    public void test_createTask_withValidParams() {
        // Test task creation with valid parameters

    /**
     * Base directory for storing thumbnail files.
     */
    protected File baseDir;

    /**
     * List of available thumbnail generators.
     */
    protected final List<ThumbnailGenerator> generatorList = new ArrayList<>();

    /**
     * Queue for thumbnail generation tasks containing URL, content, and path tuples.
     */
    protected BlockingQueue<Tuple3<String, String, String>> thumbnailTaskQueue;

import org.codelibs.fess.thumbnail.ThumbnailGenerator;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;

/**
 * Abstract base class for thumbnail generators.
 * Provides common functionality for thumbnail generation implementations.
 */
public abstract class BaseThumbnailGenerator implements ThumbnailGenerator {

        // This is primarily a logging method, so we just verify no exception
        assertTrue(true);
    }

    // Helper test thumbnail generator class
    private static class TestThumbnailGenerator implements ThumbnailGenerator {
        boolean available = false;
        boolean target = false;
        Tuple3<String, String, String> task = null;
        boolean generateResult = false;
        boolean generateCalled = false;