}

    @Test
    @DisplayName("Should perform DES encryption/decryption")
    void testDES() throws Exception {
        // Given
        byte[] key = "testkey1".getBytes(); // 8 bytes for DES
        byte[] plaintext = "12345678".getBytes(); // 8 bytes (DES block size)

        // When
        Cipher desCipher = Crypto.getDES(key);

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        curlHelper = new CurlHelper();
    }

    @Test
    public void test_get() {
        // Mock FessConfig and ResourceUtil
        setupMockConfig("localhost:9200", "", "");

        curlHelper.init();
        CurlRequest request = curlHelper.get("/test");

        assertNotNull(request);

import org.codelibs.curl.Curl.Method;
import org.junit.Test;

public class CurlTest {
    private static final Logger logger = Logger.getLogger(CurlTest.class.getName());

    @Test
    public void test_Get() {
        Curl.get("https://www.codelibs.org/").execute(response -> {
            final String content = response.getContentAsString();
            logger.info(content);
            assertTrue(content.length() > 0);

        String field = "content";

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

        assertNotNull(readings);
        assertEquals(3, readings.size());
        assertEquals("TEST_en", readings.get(0));
        assertEquals("TEST_ja", readings.get(1));
        assertEquals("TEST_fr", readings.get(2));
    }

    @Test
    public void testConvertWithNoLanguages() throws IOException {

        }
    }

    // Test sendMail method
    @Test
    public void test_sendMail_withNotificationDisabled() {
        Map<String, String> infoMap = new HashMap<>();
        infoMap.put("TestKey", "TestValue");

        // Should not throw exception when notification is disabled
        try {
            crawler.sendMail(infoMap);
        } catch (Exception e) {

            assertEquals("\\\\server\\share\\link", referralData.getLink());
        }

        @Test
        @DisplayName("Should get and set key")
        void testKey() {
            assertNull(referralData.getKey());
            referralData.setKey("cache-key-123");
            assertEquals("cache-key-123", referralData.getKey());
        }

        @Test

    }

    @Test
    public void test_writeWithUpdateButNonExistentItem() throws Exception {
        String[][] readings = new String[1][];
        readings[0] = new String[] { "test_new" };
        SuggestItem item = new SuggestItem(new String[] { "テスト新規" }, readings, new String[] { "content" }, 1, 0, -1,