@reedchan/koa-http-proxy/test/support/proxyTarget.js

http proxy middleware for koa

"use strict";

var express = require("express");
var bodyParser = require("body-parser");
var cookieParser = require("cookie-parser");

function proxyTarget(port, timeout, handlers) {
  var target = express();

  timeout = timeout || 100;

  // parse application/x-www-form-urlencoded
  target.use(bodyParser.urlencoded({ extended: false }));

  // parse application/json
  target.use(bodyParser.json());
  target.use(cookieParser());

  target.use(function (req, res, next) {
    setTimeout(function () {
      next();
    }, timeout);
  });

  if (handlers) {
    handlers.forEach(function (handler) {
      target[handler.method](handler.path, handler.fn);
    });
  }

  target.post("/post", function (req, res) {
    req.pipe(res);
  });

  target.use(function (err, req, res, next) {
    res.send(err);
    next();
  });

  target.use(function (req, res) {
    res.sendStatus(404);
  });

  return target.listen(port);
}

module.exports = proxyTarget;