摩卡:超过2000ms的错误超时 [英] Mocha: Error Timeout of 2000ms exceeded
本文介绍了摩卡:超过2000ms的错误超时的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
以下是 seed.js
文件:
.......
const app = require('./ app')
const db = app.get('db')
const saveUsersToDB =(done)=> {
db.User.bulkCreate(users)
.then(()=>(done))
}
module.exports = {saveUsersToDB};
我的 app.test.js
文件:
.......
const expect = require('expect')
const请求= require('supertest')
const {saveUsersToDB} = require('./ seed / seed');
before(saveUsersToDB)
当我运行下面的测试是错误我得到:
快速侦听端口3000!
1)before all钩子:saveUsersToDB
0传递(2s)
1失败
1)之前钩子:saveUsersToDB:
错误:超出2000ms超时。对于异步测试和钩子,请确保done()被调用;如果返回承诺,确保解决。
npm ERR!测试失败。详见上文。
我以为返回 .then(()=>(done))
够了吗?我做错了什么?
解决方案
因为(done)
返回函数而不是调用它。为了调用完成
,你需要这样写。
.then(()=> done())
但是,我不建议使用完成
以及承诺。您只需要返回承诺,然后 mocha
将自动处理。
const saveUsersToDB =()=> db.User.bulkCreate(users)
I am trying to seed the database for unit test.
Below is the seed.js
file:
.......
const app = require('./app')
const db = app.get('db')
const saveUsersToDB = (done) => {
db.User.bulkCreate(users)
.then(() => (done))
}
module.exports = {saveUsersToDB};
My app.test.js
file:
.......
const expect = require('expect')
const request = require('supertest')
const {saveUsersToDB} = require('./seed/seed');
before(saveUsersToDB)
When I run the test below is the error I get:
Express listening on port 3000!
1) "before all" hook: saveUsersToDB
0 passing (2s)
1 failing
1) "before all" hook: saveUsersToDB:
Error: Timeout of 2000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves.
npm ERR! Test failed. See above for more details.
I thought returning .then(() => (done))
was enough? What am I doing wrong?
解决方案
Because (done)
will actually return the function instead of invoking it. In order to call done
, you need to write it this way.
.then(() => done())
However, I don't recommend using done
along with promises. You just simply need to return the promise then mocha
will handle it automatically.
const saveUsersToDB = () => db.User.bulkCreate(users)
这篇关于摩卡:超过2000ms的错误超时的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文