viewHelper = new ViewHelper();
        viewHelper.init();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        propertiesFile.delete();
        super.tearDown(testInfo);
    }

    @Test
    public void test_facetQueries() {
        final List<FacetQueryView> list = viewHelper.getFacetQueryViewList();
        assertEquals(3, list.size());

        propFile.deleteOnExit();
        FileUtil.writeBytes(propFile.getAbsolutePath(), "fess.version=98.76.5".getBytes());
        final File desginJspRootFile = File.createTempFile("jsp", "");
        desginJspRootFile.delete();
        desginJspRootFile.deleteOnExit();
        systemHelper = new SystemHelper() {
            @Override
            protected void parseProjectProperties(final Path propPath) {

indexer.data.max.document.cache.size=10000
# Maximum document request size (bytes) for data in the indexer.
indexer.data.max.document.request.size=1048576
# Maximum delete cache size for data in the indexer.
indexer.data.max.delete.cache.size=100
# Maximum redirect count for data in the indexer.
indexer.data.max.redirect.count=10
# Fields used for language detection in the indexer.

     * Get the value for the key 'indexer.data.max.delete.cache.size'. <br>
     * The value is, e.g. 100 <br>
     * comment: Maximum delete cache size for data in the indexer.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexerDataMaxDeleteCacheSize();

    /**
     * Get the value for the key 'indexer.data.max.delete.cache.size' as {@link Integer}. <br>

            File[] files = dir.listFiles();
            if (files != null) {
                for (File file : files) {
                    deleteDirectory(file);
                }
            }
        }
        dir.delete();
    }

    // Test getExecuteType method
    @Test
    public void test_getExecuteType() {
        assertEquals(Constants.EXECUTE_TYPE_THUMBNAIL, thumbnailJob.getExecuteType());
    }

            if (children != null) {
                for (final File child : children) {
                    deleteRecursively(child);
                }
            }
        }
        file.delete();
    }

    // ===================================================================================
    //                                                                    Blank/Null Path

                        logger.info("Deleted .crawler indices.");
                        coordinator.completeOperation("clear_crawler_index");
                    }, e -> {
                        logger.warn("Failed to delete .crawler.* indices.", e);
                        coordinator.completeOperation("clear_crawler_index");
                    }));
        } catch (final Exception e) {

    }

    /**
     * Deletes documents matching the specified search parameters.
     *
     * @param request The HTTP servlet request
     * @param params The search request parameters to identify documents to delete
     * @return Number of documents deleted
     */
    public long deleteByQuery(final HttpServletRequest request, final SearchRequestParams params) {

    public void test_deleteDocument() {
        final Map<String, String> resultMap = new HashMap<>();
        final SearchEngineClient client = new SearchEngineClient() {
            @Override
            public boolean delete(final String index, final String id) {
                resultMap.put("index", index);
                resultMap.put("id", id);
                return true;
            }
        };

        assertTrue(messages.hasMessageOf(property));
    }

    @Test
    public void test_addErrorsFailedToDeleteFile() {
        String property = "testProperty";
        String arg0 = "delete.txt";
        FessMessages result = messages.addErrorsFailedToDeleteFile(property, arg0);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));
    }