express-winston res.end testcase

index.js

'use strict';

const express = require('express');
const expressWinston = require('express-winston');
const stream = require('stream');
const winston = require('winston');

const app = express();

const requestLogger = new expressWinston.logger(({
  transports: [new winston.transports.Console({ json: true })]
}));

expressWinston.responseWhitelist.push('body');

app.all('*', requestLogger);

app.use('/', (req, res) => {
  res.setHeader('Content-Type', 'application/json');
  res.write('{"foo":"bar"', () => res.end('}'));
});

app.listen(8080, () => console.log('server ready on port 8080'));

package.json

{
  "name": "express-winston-res-end-testcase",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "express": "^4.13.4",
    "express-winston": "^1.4.0"
  }
}