swaf/test/ModelQuery.test.ts

import ModelQuery, {WhereOperator} from "../src/db/ModelQuery";
import ModelFactory from "../src/db/ModelFactory";
import Model from "../src/db/Model";

describe('Test ModelQuery', () => {
    test('groupWhere generates proper query', () => {
        const query = ModelQuery.select({table: 'model'} as unknown as ModelFactory<Model>, '*');
        query.where('f1', 'v1');
        query.groupWhere(q => q.where('f2', 'v2').where('f3', 'v3')
            .groupWhere(q => q.where('f4', 'v4'), WhereOperator.OR))
            .where('f5', 'v5');

        expect(query.toString(true)).toBe('SELECT * FROM `model`  WHERE `f1`=? AND (`f2`=? AND `f3`=? OR (`f4`=?)) AND `f5`=?  ');
        expect(query.variables.length).toBe(5);
    });

    test('recursive queries', () => {
        const query = ModelQuery.select({table: 'model'} as unknown as ModelFactory<Model>, '*');
        query.where('f1', 'v1');
        query.leftJoin('test').on('model.j1', 'test.j2');
        query.recursive({localKey: 'local', foreignKey: 'foreign'});
        query.sortBy('f2', 'ASC').limit(8);

        expect(query.toString(true)).toBe("WITH RECURSIVE cte AS (SELECT `model`.* FROM `model` WHERE `f1`=? UNION SELECT o.* FROM `model` AS o, cte AS c WHERE o.`foreign`=c.`local`) SELECT * FROM cte LEFT JOIN `test` ON `model`.`j1`=`test`.`j2` ORDER BY `f2` ASC LIMIT 8");
        expect(query.variables.length).toBe(1);
    });
});