.body("data", notNullValue());
    }

    @Test
    public void testPopularWords_withLabel() {
        Map<String, String> params = new HashMap<>();
        params.put("label", "testlabel");

        given().contentType("application/json")
                .params(params)
                .when()
                .get("/api/v1/popular-words")
                .then()
                .statusCode(200)

        }
    }

    @Test
    public void testSuggestWords_withLabel() {
        Map<String, String> params = new HashMap<>();
        params.put("q", "test");
        params.put("label", "testlabel");

        given().contentType("application/json")
                .header("Referer", getFessUrl())
                .params(params)
                .when()
                .get("/api/v1/suggest-words")

    private static String testLabelId;

    @BeforeAll
    protected static void initAll() {
        RestAssured.baseURI = getFessUrl();
        settingTestToken();
    }

    @AfterAll
    protected static void tearDownAll() {
        if (testLabelId != null) {
            deleteLabel(testLabelId);
        }
        deleteTestToken();
    }

    @Test

        assertEquals("long", Constants.MAPPING_TYPE_LONG);
        assertEquals("double", Constants.MAPPING_TYPE_DOUBLE);
        assertEquals("date", Constants.MAPPING_TYPE_DATE);
    }

    /**
     * Testable implementation of AbstractFessFileTransformer for unit testing.
     */
    private static class TestableAbstractFessFileTransformer extends AbstractFessFileTransformer {