*/
    @Test
    public void test_getAnchorSet_withUnsupportedType() {
        FessCrawlerThread crawlerThread = new FessCrawlerThread();

        Integer unsupportedType = 123;

        Set<RequestData> result = crawlerThread.getAnchorSet(unsupportedType);
        assertNull(result, "getAnchorSet should return null for unsupported type");
    }

    /**

        // CSV with numbers and mixed data types - quoted fields keep quotes
        value = "123,\"Product Name\",45.67,\"Description with, comma\"";
        result = KuromojiCSVUtil.parse(value);
        assertEquals(4, result.length);
        assertEquals("123", result[0]);
        assertEquals("Product Name", result[1]);
        assertEquals("45.67", result[2]);

        assertNull(user.getPermissions());

        // Test with complex permission strings
        permissions = new String[] { "admin:*", "user:read", "document:write:123" };
        user = new TestFessUser("testuser", new String[] {}, new String[] {}, permissions);
        assertArrayEquals(permissions, user.getPermissions());
    }

    @Test

    public void test_getArtifactFromFileName_complexName() {
        Artifact artifact = pluginHelper.getArtifactFromFileName(ArtifactType.DATA_STORE, "fess-ds-web-crawler-1.2.3-beta.jar");
        assertEquals("fess-ds-web-crawler", artifact.getName());
        assertEquals("1.2.3-beta", artifact.getVersion());
    }

    @Test
    public void test_getArtifactFromFileName_singleVersion() {

    public void test_process_withCustomSessionId() throws Exception {
        // Test that custom sessionId is sanitized
        Crawler.Options options = new Crawler.Options();
        options.sessionId = "test-session-123";

        // Simulate what process() does - sanitize sessionId
        if (options.sessionId != null) {
            options.sessionId = options.sessionId.replaceAll("-", "_");
        }

        assertEquals("http://proxy.example.com/file.doc", source.getUrlLink());
        assertNull(source.getGoUrl());

        source.setGoUrl("/go/?rt=123&docId=doc123&queryId=q1&order=0");
        assertEquals("/go/?rt=123&docId=doc123&queryId=q1&order=0", source.getGoUrl());
    }

    // ========== searchWithQuery with filters tests ==========

    @Test

        stringData.put("text", "test value");
        callback.store(params, stringData);

        // Test with numeric data
        Map<String, Object> numericData = new HashMap<>();
        numericData.put("integer", 123);
        numericData.put("long", 456L);
        numericData.put("double", 789.0);
        callback.store(params, numericData);

        // Test with boolean data

        final DeleteForm form = new DeleteForm();
        assertNull(form.q);
        assertNull(form.docId);

        form.q = "test query";
        form.docId = "doc-123";

        assertEquals("test query", form.q);
        assertEquals("doc-123", form.docId);
    }

    @Test
    public void test_listForm_defaults() {
        final ListForm form = new ListForm();
        assertNull(form.q);

      parameters:
        - name: seed
          in: query
          description: Random seed to return popular words
          required: false
          schema:
            type: string
            example: 123
        - name: label
          in: query
          description: Filtered label name
          required: false
          style: form
          explode: true
          schema:
            type: array

curl "http://localhost:8080/json/?q=search&num=10"
```

**Response**:
```json
{
  "response": {
    "version": 1,
    "status": 0,
    "q": "search",
    "exec_time": 0.123,
    "page_size": 10,
    "page_number": 1,
    "record_count": 234,
    "result": [
      {
        "url": "http://example.com/page1",
        "title": "Example Page",