generator hack for mocha tests (don't use this code)

hack.js

var globals = [
  'suiteSetup',
  'test'
];

var Task = (function() {
  var current, done;

  return {
    start: function(generator, cb) {
      current = generator;
      if (!current.next) {
        current = generator.call(this);
      }

      done = cb;

      if (current && current.next) {
        current.next();
      }

      return this;
    },

    next: function(value) {
      try {
        current.send(value);
      } catch (e) {
        if (e instanceof StopIteration) {
          done();
          current = null;
          done = null;
        } else {
          current = null;
          done = null;
          throw e;
          done();
        }
      }
    }
  };
}());


globals.forEach(function(type) {
  window['g' + type] = function() {
    var orig = window[type];
    var args = Array.prototype.slice.call(arguments),
        cb = args.pop();

    function wrapper(done) {
      var gen, useDone = cb.length > 0;

      if (useDone) {
        gen = cb(done);
      } else {
        gen = cb();
      }

      if (gen.next) {
        Task.start(gen, function() {
          done();
        });
      } else {
        if (!useDone) {
          done();
        }
      }
    }

    wrapper.toString = function() {
      return cb.toString();
    }

    args.push(wrapper);

    orig.apply(window, args);
  }
});

function complete(val) {
  setTimeout(function() {
    Task.next(val);
  }, 250);
}