assertEquals(400, exception1.getStatusCode());
        assertEquals(401, exception2.getStatusCode());
        assertEquals(500, exception3.getStatusCode());

        assertTrue(exception1.getStatusCode() != exception2.getStatusCode());
        assertTrue(exception2.getStatusCode() != exception3.getStatusCode());
    }

    @Test
    public void test_exceptionWithLongMessage() {

                .when()
                .put(getApiPath() + "/upload/");

        // Storage may not be enabled, so accept various responses
        int statusCode = response.getStatusCode();
        assertTrue(statusCode == 200 || statusCode == 400 || statusCode == 500,
                "Status code should be 200, 400 or 500, but was " + statusCode);
    }

    @Test

        params.put("q", "*");

        Response response = given().contentType("application/x-ndjson").params(params).when().get("/api/v1/documents/all");

        assertEquals(200, response.getStatusCode());
        String body = response.getBody().asString();
        assertTrue(body != null && body.length() > 0, "Response body should not be empty");
        // NDJSON format: each line is a JSON object

        Response response =
                given().contentType("application/json").header("Authorization", getTestToken()).when().get(getApiPath() + "/download");

        assertEquals(200, response.getStatusCode());
        String body = response.getBody().asString();
        assertTrue(body != null, "CSV response should not be null");
        // CSV should contain the test data

        Response response =
                given().contentType("application/json").header("Authorization", getTestToken()).when().get(getApiPath() + "/download");

        assertEquals(200, response.getStatusCode());
        String body = response.getBody().asString();
        assertTrue(body != null, "CSV response should not be null");
    }

    @Test
    void testUploadCsv_ok() {

        } catch (final WebApiException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to process a popularWord request.", e);
            }
            writeJsonResponse(e.getStatusCode(), e);
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to process a popularWord request.", e);
            }

                    given().contentType("application/json").params(params).when().post("/api/v1/documents/" + docId + "/favorite");

            // Should return 200 or 201
            int statusCode = response.getStatusCode();
            assertTrue(statusCode == 200 || statusCode == 201, "Status code should be 200 or 201, but was " + statusCode);
        }
    }

    @Test
    public void testSetFavorite_noQueryId() {

                throw new WebApiException(HttpServletResponse.SC_FORBIDDEN, "Invalid session.");
            });
        } catch (final WebApiException e) {
            final int statusCode = e.getStatusCode();
            String message;
            if (Constants.TRUE.equalsIgnoreCase(ComponentUtil.getFessConfig().getApiJsonResponseExceptionIncluded())) {
                if (statusCode >= 400 && statusCode < 500) {