Question

在数据库连接建立一个单元测试用例之前，我无法找到解决该问题的方法。如果有人知道此错误，请发布解决方案。

app.js：

import express from 'express';
const app = express();
app.use(cors());
const session = require('express-session');
const http = require('http').createServer(app);
const io = require('socket.io').listen(http);
import config from './config/environment';
import initializeDB from './config/seed';
import mongoose from 'mongoose';
const connecString = config.getConstants().mongo.uri;
import fileUpload from 'express-fileupload';
import registerRoutes from './routes';
import cors from 'cors';
import { run_cron_job } from './config/helper';
import passport from 'passport';
require('./config/passport');

require('dotenv').config();

mongoose.connect(connecString, {
    useNewUrlParser: false
}).then(()=>{
    console.log("Blik database connected successfully.");
    initializeDB();
})
.catch((err)=>{
    console.log(err);
});

//Middlware
app.use(passport.initialize());
app.use(fileUpload());
app.use(express.json());


registerRoutes(app);

io.on('connection', function(socket){
    // console.log('A user connected');
    socket.on('disconnect', function(){
        // console.log('A user disconnected');
    });
});

export function experiment(){
    io.sockets.emit('new_token');
}

http.listen(config.getPort(),async ()=>{
    run_cron_job();
    console.log("Server is running on port " + config.getPort());
})
export default app;

workspace.test.js：

import { expect } from 'chai';
import request from 'supertest';
import app from '../../app';


describe('Workspace', async () => {

    it('should return 200 if workspace created sucessfully', async () => {
        const payload = {
            workspace_name: 'testing workspace',
            email: 'abc@gmail.com',
            mobile: '9721867247',
            name: 'abc',

        };

        const res = await request(app).post('api/v1/workspace').send(payload);
        // console.log('response', res);
        console.log('responseWorkspace =>', res);
    });

});

package.json：

"scripts": {
    "start": "babel-node server/app.js",
    "prod": "babel-node server/app.js production",
    "test": "SET NODE_ENV=test&&mocha --require @babel/register --slow 100 --timeout 10000 server/**/*.test.js"
  }

我得到的错误代码

Server is running on port 3001
   Workspace
(node:20352) DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead.
Blik database connected successfully.
    1) should return 200 if workspace created sucessfully


  0 passing (2s)
  1 failing

  1) Workspace
       should return 200 if workspace created sucessfully:
     Error: ECONNREFUSED: Connection refused
      at Test.assert (node_modules\supertest\lib\test.js:165:15)
      at Server.localAssert (node_modules\supertest\lib\test.js:131:12)
      at emitCloseNT (net.js:1618:8)
      at process._tickCallback (internal/process/next_tick.js:63:19)

Answer 1

您应该更改

request(app).post("api/v1/workspace")

到

request(app).post("/api/v1/workspace")

否则，它将引发错误：

错误：ECONNREFUSED：连接被拒绝

例如

app.ts：

import express from "express";

const app = express();
const port = 3000;
const http = require("http").createServer(app);

app.post("/api/v1/workspace", (req, res) => {
  res.sendStatus(200);
});

if (require.main === module) {
  http.listen(port, () => {
    console.log("Server is running on port " + port);
  });
}

export default app;

app.test.ts：

import { expect } from "chai";
import request from "supertest";
import app from "./app";

describe("Workspace", () => {
  it("should return 200 if workspace created sucessfully", async () => {
    const payload = {
      workspace_name: "testing workspace",
      email: "abc@gmail.com",
      mobile: "9721867247",
      name: "abc",
    };

    const res = await request(app)
      .post("/api/v1/workspace")
      .send(payload);
    expect(res.status).to.be.eq(200);
  });
});

具有覆盖率报告的集成测试结果：

 Workspace
    ✓ should return 200 if workspace created sucessfully


  1 passing (28ms)

-------------|----------|----------|----------|----------|-------------------|
File         |  % Stmts | % Branch |  % Funcs |  % Lines | Uncovered Line #s |
-------------|----------|----------|----------|----------|-------------------|
All files    |       90 |       50 |       75 |    88.89 |                   |
 app.test.ts |      100 |      100 |      100 |      100 |                   |
 app.ts      |       80 |       50 |       50 |       80 |             12,13 |
-------------|----------|----------|----------|----------|-------------------|

源代码：https://github.com/mrdulin/mocha-chai-sinon-codelab/tree/master/src/stackoverflow/59065236

无法使用Mocha，Chai和Supertest运行单元测试用例，得到：-错误：ECONNREFUSED：连接被拒绝

1 个答案: