List<SortBuilder<?>> sorts = queryContext.sortBuilders();
        assertNotNull(sorts);
        assertTrue(sorts.isEmpty());

        SortBuilder<?> sort = SortBuilders.fieldSort("field");
        queryContext.addSorts(sort);

        sorts = queryContext.sortBuilders();
        assertEquals(1, sorts.size());
        assertEquals(sort, sorts.get(0));
    }

        DataStoreFactory testFactory = new DataStoreFactory();
        List<String> names = testFactory.loadDataStoreNameList();
        assertNotNull(names);
    }

    // Test loadDataStoreNameList sorts results
    @Test
    public void test_loadDataStoreNameList_sorted() {
        DataStoreFactory testFactory = new DataStoreFactory() {
            @Override
            protected List<String> loadDataStoreNameList() {

        this.additionalQuery = additionalQuery;
    }

    /**
     * Adds a default sort configuration to be applied when no explicit sorting is specified.
     * This method appends the new sort to existing default sorts.
     *
     * @param fieldName the field name to sort by
     * @param order the sort order ("ASC" or "DESC")
     */
    public void addDefaultSort(final String fieldName, final String order) {

    public void test_getSortFields() {
        String[] fields = { "sort1", "sort2", "sort3" };
        queryFieldConfig.setSortFields(fields);

        String[] result = queryFieldConfig.getSortFields();
        assertSame(fields, result);
    }

    @Test
    public void test_setSortFields() {
        String[] fields = { "sort1", "sort2", "sort3" };
        queryFieldConfig.setSortFields(fields);

        assertTrue(queryFieldConfig.facetFieldSet.contains("facet3"));
    }

    /**
     * Test that setting sort fields creates both array and Set.
     */
    @Test
    public void test_setSortFields_createsSet() {
        String[] fields = { "sort1", "sort2", "sort3" };
        queryFieldConfig.setSortFields(fields);

        // Verify array is set
        assertNotNull(queryFieldConfig.sortFields);

        return getQueryProcessor().execute(context, new PrefixQuery(new Term(field, text.substring(0, text.length() - 1))), boost);
    }

    /**
     * Converts a sort field query to add sort criteria to the context.
     *
     * @param fessConfig the Fess configuration
     * @param context the query context
     * @param termQuery the term query to convert

    }

    // Test getBucketOrder with invalid sort value
    @Test
    public void test_getBucketOrder_invalidSort() {
        facetInfo.sort = "invalid.desc";
        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);
        assertEquals(BucketOrder.count(false), order); // default
    }

    // Test getBucketOrder with null sort
    @Test
    public void test_getBucketOrder_nullSort() {

        return ComponentUtil.getQueryProcessor();
    }

    /**
     * Creates a sort builder for the specified field and order.
     * @param field The field name to sort by.
     * @param order The sort order (ascending or descending).
     * @return The appropriate sort builder for the field.
     */
    protected SortBuilder<?> createFieldSortBuilder(final String field, final SortOrder order) {

        this.params = params;
        return this;
    }

    /**
     * Sets the sort field for the query.
     * This method follows the builder pattern for method chaining.
     *
     * @param sortField the field name to sort by
     * @return this QueryStringBuilder instance for method chaining
     */
    public QueryStringBuilder sortField(final String sortField) {

    }

    /**
     * Checks if the specified sort value is valid for facet sorting.
     *
     * @param sort the sort value to check
     * @return true if the sort value is valid for facets ("count" or "index"), false otherwise
     */
    public boolean isFacetSortValue(final String sort) {
        return "count".equals(sort) || "index".equals(sort);
    }

    /**