crawlerThread.run();

        verify(urlQueueService, times(1)).poll(anyString());
    }

    /**
     * Test run method with crawler status DONE.
     */
    public void test_run_statusDone() throws Exception {
        crawlerContext.setStatus(CrawlerStatus.DONE);

        crawlerThread.run();

        verify(urlQueueService, times(0)).poll(anyString());
    }

    /**

        final String sessionId = "session1";
        final String urlPattern = "http://example.com/.*";

        urlFilterService.addIncludeUrlFilter(sessionId, urlPattern);

        // Verify the filter is stored
        assertTrue(fesenClient.prepareSearch("fess_crawler.filter")
                .setQuery(QueryBuilders.termQuery("sessionId", sessionId))
                .setSize(0)
                .execute()

        logger.info(content);

        // Verify content contains expected fields
        assertTrue(content.contains("title"));
        assertTrue(content.contains("Sample Document"));
        assertTrue(content.contains("author"));
        assertTrue(content.contains("John Doe"));

        // Verify metadata extraction
        assertNotNull(extractData.getValues("title"));

        final String content = extractData.getContent();
        logger.info(content);

        // Verify header extraction
        assertTrue(content.contains("Name"));
        assertTrue(content.contains("Email"));
        assertTrue(content.contains("Age"));
        assertTrue(content.contains("Department"));

        // Verify data extraction
        assertTrue(content.contains("John Doe"));

        String[] passwords = { "secret123", "pass456" };
        data.putValues(ExtractData.FILE_PASSWORDS, passwords);

        // Verify content
        assertEquals(content, data.getContent());

        // Verify single values
        assertEquals("document.pdf", data.getValues(ExtractData.RESOURCE_NAME_KEY)[0]);

        assertEquals(0, deleted);
        // Verify it used the same search logic (type parameter is ignored)
        verify(mockClient).prepareSearch("test-index");
    }

    /**
     * Test: Verify that OnConnectListener is properly invoked
     */
    @Test
    public void testOnConnectListenerInvoked() {

        assertNotNull("Should have search alias", aliasResponse.getAliases());

        // Call switchIndex - should return early without error since they're already the same
        suggester.switchIndex();

        // Verify indices still exist and are functional
        final GetAliasesResponse afterResponse = client.admin().indices().prepareGetAliases(suggester.getIndex()).execute().actionGet();

        final ExtractData extractData = markdownExtractor.getText(in, null);
        CloseableUtil.closeQuietly(in);

        final String content = extractData.getContent();
        logger.info(content);

        // Verify plain text extraction
        assertTrue(content.contains("Introduction"));
        assertTrue(content.contains("This is a sample Markdown document"));
        assertTrue(content.contains("Features"));

        }

        // Verify content is valid JSON
        assertTrue("Content should start with {", contentNew.trim().startsWith("{"));
        assertTrue("Content should end with }", contentNew.trim().endsWith("}"));
        assertTrue("Content should be substantial", contentNew.length() > 100);

        // Verify it contains expected mapping fields

            }
        };

        File tempFile = ResponseDataUtil.createResponseBodyFile(responseData);

        assertNotNull(tempFile);
        assertTrue(tempFile.exists());

        // Read and verify content
        try (FileInputStream fis = new FileInputStream(tempFile)) {
            byte[] buffer = new byte[1024];
            int bytesRead = fis.read(buffer);
            String content = new String(buffer, 0, bytesRead);