我有一个用于测试的 jest supertest 设置,我试图在测试完成后关闭服务器,但它抛出错误,它说 server.close() 不是一个函数。这里有什么问题?是 express 还是 jest 还是 supertest 的问题我无法弄清楚我是测试新手,请帮助我。
server.js 文件:
const next = require('next');
const express = require('express');
const winston = require("winston");
const config = require("config");
const passport = require('passport');
const flash = require('connect-flash');
const path = require('path');
var cookieSession = require('cookie-session');
const cookieParser = require('cookie-parser');
var app = express();
const dev = process.env.NODE_ENV !== 'production';
const nextApp = next({dev});
const port = process.env.PORT || config.get("port");
const handleRequest = nextApp.getRequestHandler();
nextApp.prepare().then(() => {
require("./server/startup/cors")(app);
require("./server/startup/db")();
app.use(cookieParser('ilovescotchscotchyscotchscotch'));
app.use(express.json());
app.use(cookieSession({
name: 'MyAppName',
keys: ['very secret key'],
maxAge: 30 * 24 * 60 * 60 * 1000 // 30 days
}));
app.use(passport.initialize());
app.use(passport.session());
app.use(flash());
require('./server/services/passport')(passport);
require("./server/startup/logging")();
require("./server/startup/routes")(app);
require("./server/startup/prod")(app);
app.get('*', (req, res) => {
return handleRequest(req, res);
});
})
app.listen(port, () => console.log(`Listening at port ${port}`));
module.exports = app;
这是我的测试文件:
const request = require('supertest');
const {User} = require('./../../server/models/user');
const mongoose = require('mongoose');
let server ;
beforeEach(() => { server = require('./../../server'); });
afterEach(async () => {
await server.close();
});
describe('POST /api/signup', () => {
it('should signin successfully', () => {
})
});
这是我的错误:
TypeError: server.close is not a function
9 | beforeEach(() => { server = require('./../../server'); });
10 | afterEach(async () => { > 11 | await server.close();
| ^
12 |
13 | });
这里发生了什么?我在这里做错了什么吗?
最佳答案
要关闭服务器,您必须获取从listen
返回的实例。功能。在您的示例中,您似乎在这里调用了该函数:
app.listen(port, () => console.log(`Listening at port ${port}`));
因此,您需要返回实例并关闭它。例如。
let appServer = app.listen(port, () => console.log(`Listening at port ${port}`));
...
appServer.close()
关于express - server.close 不是一个函数,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54018820/