import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;

public class InputStreamThreadTest extends UnitFessTestCase {

    @Test
    public void test_constructor() {

            fail("Should throw NullPointerException for null consumer");
        } catch (NullPointerException e) {
            // Expected behavior
        }
    }

    @Test
    public void test_processThreadDump_multipleThreads() {
        AtomicInteger threadCount = new AtomicInteger(0);
        AtomicInteger stackTraceCount = new AtomicInteger(0);

        Consumer<String> countingConsumer = line -> {

import java.time.format.DateTimeFormatter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
import java.util.stream.Collectors;

import org.apache.commons.text.StringEscapeUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

        this.highlightedFields = highlightedFields;
    }

    /**
     * Processes the highlighted fields using the provided stream consumer.
     *
     * @param stream consumer that processes the stream of highlighted field names
     */
    public void highlightedFields(final Consumer<Stream<String>> stream) {
        stream(highlightedFields).of(stream);
    }

    /**

        String sessionId = "test_session_buffer";
        List<String> cmdList = Arrays.asList("echo", "hello world");
        Consumer<ProcessBuilder> pbCall = pb -> {
            pb.redirectErrorStream(true);
        };

        List<String> outputs = new ArrayList<>();
        Consumer<String> outputCallback = output -> outputs.add(output);

        try {

     * @throws JobProcessingException if the process cannot be started
     */
    public synchronized JobProcess startProcess(final String sessionId, final List<String> cmdList, final Consumer<ProcessBuilder> pbCall,
            final int bufferSize, final Consumer<String> outputCallback) {
        final ProcessBuilder pb = new ProcessBuilder(cmdList);
        pbCall.accept(pb);

        // Remove and destroy any existing process for this session

        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_indexFromDocuments() {
        Consumer<Boolean> successCallback = (success) -> {
            assertTrue(success);
        };
        Consumer<Throwable> errorCallback = (error) -> {
            assertNotNull(error);
        };

        try {

errors.failed_to_delete_doc_in_admin = Não foi possível excluir o documento.
errors.failed_to_send_testmail=Não foi possível enviar o e-mail de teste.
errors.invalid_query_unknown = A consulta especificada tem condições desconhecidas.
errors.invalid_query_parse_error = A consulta fornecida é inválida.
errors.invalid_query_sort_value = A ordenação especificada {0} é inválida.

    }

    /**
     * Processes thumbnail generation with a consumer function.
     * @param id The document ID.
     * @param consumer The consumer function to process thumbnail and config ID.
     * @return True if processing was successful, false otherwise.
     */
    protected boolean process(final String id, final BiPredicate<String, String> consumer) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

     *
     * @param success A callback for successful indexing.
     * @param error   A callback for indexing errors.
     */
    public void indexFromDocuments(final Consumer<Boolean> success, final Consumer<Throwable> error) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final long interval = fessConfig.getSuggestUpdateRequestIntervalAsInteger().longValue();