protected long executionTimeout = 30L * 1000L; // 30sec

    /** The working directory for the command. */
    protected File workingDirectory = null;

    /** The encoding for the command's output. */
    protected String commandOutputEncoding = Charset.defaultCharset().displayName();

    /** The maximum number of lines to buffer from command output. */
    protected int maxOutputLine = 1000;

    /**
     * Test edge cases for rule ID
     */
    public void test_ruleId_edgeCases() {
        // Very long rule ID
        StringBuilder longId = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longId.append("verylongruleid");
        }
        testRule.setRuleId(longId.toString());
        assertEquals(longId.toString(), testRule.getRuleId());

        // Special characters in rule ID

        // Maximum practical length (avoid OutOfMemoryError)
        StringBuilder maxName = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            maxName.append("0123456789");
        }
        testTransformer.setName(maxName.toString());
        assertEquals(10000, testTransformer.getName().length());
        assertEquals(maxName.toString(), testTransformer.getName());
    }

    /**

            } else {
                LogStream.setLevel(0);
            }
        }

        LogStream.setInstance(new PrintStream(new OutputStream() {
            private static final int MAX_LEN = 1000;

            private final ByteArrayOutputStream buf = new ByteArrayOutputStream(MAX_LEN);

            @Override
            public void write(final int b) throws IOException {

    @Test
    public void testConvertWithLongText() throws IOException {
        // Test convert with long text
        converter.init();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            sb.append("word").append(i).append(" ");
        }
        String text = sb.toString();
        String field = "content";

        List<String> readings = converter.convert(text, field, "en");

        assertFalse(result);
    }

    /**
     * Test thread safety of enum
     */
    public void test_threadSafety() throws Exception {
        final int threadCount = 100;
        final int iterationsPerThread = 1000;
        final Set<Exception> exceptions = new HashSet<>();

        Thread[] threads = new Thread[threadCount];
        for (int i = 0; i < threadCount; i++) {

    /**
     * The number of URLs to fetch when polling.
     */
    protected int pollingFetchSize = 1000;

    /**
     * The maximum size of the crawling queue.
     */
    protected int maxCrawlingQueueSize = 100;

    /**
     * Creates a new instance of OpenSearchUrlQueueService.
     * @param crawlerConfig The crawler configuration.
     */

    }

    /**
     * Test rule with very long rule ID
     */
    public void test_veryLongRuleId() {
        StringBuilder longId = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longId.append("verylongruleid_");
        }

        TestRule rule = new TestRule(longId.toString(), new TestResponseProcessor("longProcessor"), true);

            final DocumentBuilder builder = factory.newDocumentBuilder();

            final Document doc = builder.parse(is);

            final StringBuilder buf = new StringBuilder(1000);
            buf.append(getResultDataHeader());
            for (final Map.Entry<String, String> entry : fieldRuleMap.entrySet()) {
                final List<String> nodeStrList = new ArrayList<>();
                try {

    /**
     * 同一ホストに対するクローリングのインターバルが正しく動作すること
     */
    public void test_delayBeforeProcessing() {
        // 同時実行数
        final int numTasks = 100;
        // インターバル
        final Long waittime = 100L;

        CrawlingParameterUtil.setUrlQueue(new UrlQueueImpl());
        final UrlQueue q = CrawlingParameterUtil.getUrlQueue();
        for (int i = 0; i < numTasks; i++) {