/**
 * sql拼接器单元测试
 *
 * @author CaiAoLin
 * @date 2017/10/20
 * @version
 */

'use strict';

const { app, assert } = require('egg-mock/bootstrap');
const SqlBuilder = require('../../../app/lib/sql_builder');

describe('test/app/lib/sql_builder.test.js', () => {
    it('set where like', function* () {
        const sqlBuilder = new SqlBuilder();
        sqlBuilder.setAndWhere('field', {
            value: app.mysql.escape('value%'),
            operate: 'like',
        });

        const [sql, param] = sqlBuilder.build('table');
        const finalSql = app.mysql.format(sql, param);
        // 最后组合后应该获得的数据
        const matchSql = "SELECT * FROM `table` WHERE  `field` like 'value%'";
        assert(finalSql === matchSql);
    });

    it('set normal sql', function* () {
        const sqlBuilder = new SqlBuilder();
        sqlBuilder.columns = ['id'];
        sqlBuilder.limit = 10;
        sqlBuilder.offset = 1;
        sqlBuilder.orderBy = [['id', 'DESC']];

        const [sql, param] = sqlBuilder.build('table');
        const finalSql = app.mysql.format(sql, param);
        // 最后组合后应该获得的数据
        const matchSql = 'SELECT `id` FROM `table` LIMIT 1,10 ORDER BY  `id` DESC';
        assert(finalSql === matchSql);
    });

    it('update sql', function* () {
        const sqlBuilder = new SqlBuilder();
        sqlBuilder.setUpdateData('create_time', {
            value: 1,
            selfOperate: '+',
        });
        sqlBuilder.setUpdateData('office', {
            value: 2,
        });
        sqlBuilder.setAndWhere('group_id', {
            value: 1,
            operate: '>=',
        });
        const [sql, sqlParam] = sqlBuilder.build('table', 'update');
        const finalSql = app.mysql.format(sql, sqlParam);

        const matchSql = 'UPDATE `table` SET  `create_time` = `create_time` + 1, `office` = 2 WHERE  `group_id` >= 1';
        assert(finalSql === matchSql);
    });
});