小编Gou*_*aul的帖子

流程.js

const { getConnection, closeConnection } = require('./utils/db-connection.js');

const getQueryCount = query => new Promise((resolve, rejects) => {
  getConnection().then((conn) => {
    conn.query(query, (err, count) => {
      closeConnection(conn);
      if (err) {
        log.info(`Get Count Error:  ${err}`);
        return rejects(err);
      }
      return resolve(count[0][1]);
    });
  });
});

流程.test.js

const dbConn = require('../src/utils/db-connection.js');
describe('all count', () => {
    beforeEach(() => {
      sinon.stub(dbConn, 'getConnection').resolves({ query: sinon.stub().yields(null, [[0, 5]]) });
      sinon.stub(dbConn, 'closeConnection');
  const process = require('./src/process'); //module is loaded after dependencies are stubbed

    });

    it('getQueryCount', () => { …