@zkochan/pnpm/cached_node_modules/sepia/examples/http.js

A fast implementation of npm install

// Copyright 2013 LinkedIn Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/**
 * -- HTTP ---------------------------------------------------------------------
 *
 * rm -r fixtures
 * VCR_MODE=record   node examples/http
 * VCR_MODE=playback node examples/http
 *
 * The most basic test of sepia functionality: record a http.request call, then
 * play it back.
 */

var http = require('http');
var _ = require('lodash');
var step = require('step');
require('should');
var common = require('./common');

common.ensureNonCacheMode('http.js');

require('..');

// -- TEST SERVER --------------------------------------------------------------

// 1. Reverses the value of the x-to-reverse header
// 2. Uppercases the request body

var httpServer = http.createServer(function(req, res) {
  var headers = { 'Content-Type': 'text/plain' };
  var toReverse = req.headers['x-to-reverse'];
  if (toReverse) {
    headers['x-reversed'] = toReverse.split('').reverse().join('');
  }

  req.setEncoding('utf-8');
  var body = '';
  req.on('data', function(chunk) {
    body += chunk;
  });

  req.on('end', function() {
    headers['Content-Type'] = 'application/json';
    var resBody = JSON.stringify({ data: body.toUpperCase() });

    // simulate server latency
    setTimeout(function() {
      res.writeHead(200, headers);
      res.end(resBody);
    }, 500);
  });
}).listen(1337, '0.0.0.0');

// -- HTTP REQUEST -------------------------------------------------------------

function makeHttpRequest(next) {
  var start;

  var httpReq = http.request({
    host: 'localhost',
    port: 1337,
    method: 'POST',
    path: '/upper?page=12',
    headers: {
      'x-to-reverse': 'hello'
    }
  }, function(res) {
    res.setEncoding('utf8');
    var body = '';
    res.on('data', function(chunk) {
      body += chunk;
    });

    res.on('end', function() {
      var time = Date.now() - start;

      var filteredHeaders = _.pick(res.headers, 'x-reversed');
      console.log('FROM HTTP');
      console.log('  status :', res.statusCode);
      console.log('  headers:', JSON.stringify(filteredHeaders));
      console.log('  body   :', body);
      console.log('  time   :', time);

      common.verify(function() {
        filteredHeaders.should.eql({ 'x-reversed': 'olleh' });
        JSON.parse(body).should.eql({ data: 'HELLO-WORLD' });
        common.shouldBeDynamicallyTimed(time);
      });

      console.log();

      next();
    });
  });

  start = Date.now();
  httpReq.end('hello-world');
}

// -- RUN EVERYTHING -----------------------------------------------------------

step(
  function() { setTimeout(this, 100); }, // let the server start up
  function() { makeHttpRequest(this); },
  _.bind(httpServer.close, httpServer)
);