unicode-http.js

var http = require('http');

var assert = require('assert');

// poo face, apple, many tigers
var STR = "💩🐅🐅🐅🐅🐅🐅🐅🐅";
var BUF = new Buffer(STR, 'utf8');

var server = http.createServer(function(req, res) {
  req.setEncoding('utf8');

  var str = '';
  req.on('data', function(chunk) {
    assert.ok(typeof chunk === 'string');
    console.error('SERVER got chunk %j', chunk);
    str += chunk;
  });

  req.on('end', function() {
    console.error('str = %j', str);
    // now send the response 1 byte at a time.
    var b = new Buffer(str, 'utf8');
    var i = 0;
    setTimeout(function r() {
      res.write(b.slice(i, i + 1));
      i++;
      if (i < b.length)
        setTimeout(r, 1);
      else
        res.end();
    }, 1);
  });
});

server.listen(1337);

var req = http.request({
  method: 'POST',
  path: '/',
  host: 'localhost',
  port: 1337
});

var i = 0;
setTimeout(function r() {
  req.write(BUF.slice(i, i + 1));
  i++;
  if (i < BUF.length)
    setTimeout(r, 1);
  else
    req.end();
}, 1);

req.on('response', function(res) {
  res.setEncoding('utf8');

  var str = '';
  res.on('data', function(chunk) {
    assert.ok(typeof chunk === 'string');
    console.error('CLIENT got chunk %j', chunk);
    str += chunk;
  });

  res.on('end', function() {
    console.error('response str = %j', str);
    assert.equal(str, STR);
    assert.equal(new Buffer(str, 'utf8').toString('hex'), BUF.toString('hex'));
    console.log('works');
    server.close();
  });
});