README.md

replace

var manta = require('manta');

with

var manta = require('./mock-manta');

note that not all functions have been mapped, and this may not work for every case

$ node test.js 
client.createWriteStream worked
client.createReadStream worked
client.put worked
client.get worked

mock-manta.js

var fs = require('fs');

module.exports.createClient = createClient;

function createClient() {
  return new Client();
}

function Client() {
}

function noop(a, b, c) {
  if (typeof a === 'function')
    c = a;
  if (typeof b === 'function')
    c = b;
  if (typeof c === 'function')
    process.nextTick(c);
}

Client.prototype.mkdir = noop;
Client.prototype.mkdirp = noop;

Client.prototype.put = function put(path, stream, opts, cb) {
  if (typeof opts === 'function')
    cb = opts;
  var devnull = fs.createWriteStream('/dev/null');
  stream.pipe(devnull);
  stream.on('end', function() {
    if (cb)
      cb();
  });
};

Client.prototype.createWriteStream = function createWriteStream(path, opts) {
  return fs.createWriteStream('/dev/null');
};

Client.prototype.get = function get(path, cb) {
  process.nextTick(function() {
    cb(null, fs.createReadStream('/dev/null'));
  });
};

Client.prototype.createReadStream = function createReadStream(path, opts) {
  return fs.createReadStream('/dev/null');
};

test.js

var fs = require('fs');

var manta = require('./mock-manta');

var client = manta.createClient();

var opts = {};

var stream = fs.createReadStream('/dev/null');
client.put('/jill/stor/hello_world.txt', stream, opts, function (err) {
  if (err)
    throw err;
  console.log('client.put worked');
});

var ws = client.createWriteStream('/jill/stor/hello_world.txt', opts);
console.log('client.createWriteStream worked');
ws.write('hello');
ws.end('goodbye');

client.get('/jill/stor/hello_world.txt', function (err, stream) {
  if (err)
    throw err;

  stream.setEncoding('utf8');
  stream.on('data', function (chunk) {
    console.log(chunk);
  });
  stream.on('end', function () {
    console.log('client.get worked');
  });
});

var stream = client.createReadStream('/jill/stor/hello_world.txt');
stream.pipe(process.stdout);
console.log('client.createReadStream worked');