failing test for https://github.com/Voxer/zag/issues/11

agent.test.js

test("rogue socket.close, then flush", function(t) {
  var mc, done
  dgramServer(function(pool, _done) {
    mc = new MetricsAgent(pool)
    var socket = mc.socket
      , _close = mc.socket.close
    mc.socket.close = function() {
        console.trace()
        _close.apply(socket, arguments)
    };
    pool.emit("health")
    mc.histogram("foo", 123)
    done = _done
  }, function(msg) {
    mc.counter("THIS_WILL_SEND_AFTER_THE_SOCKET_IS_CLOSED")
    // Someone closes the socket out from under us
    mc.socket.close()
    // Wait until PacketQueue's interval timer wakes up.
    setTimeout(function() { done(); t.end() }, 1500)
  })
})

output.txt

Trace
    at Socket.mc.socket.close (/home/x/Code/modules/zag/agent/test/agent.test.js:65:19)
    at Socket.<anonymous> (/home/x/Code/modules/zag/agent/test/agent.test.js:74:17)
    at Socket.EventEmitter.emit (events.js:98:17)
    at UDP.onMessage (dgram.js:440:8)
{ domain: null,
  _events: { error: [Function] },
  _maxListeners: 10,
  _handle: null,
  _receiving: false,
  _bindState: 2,
  type: 'udp4',
  fd: null,
  close: [Function],
  _sendQueue: undefined }

dgram.js:420
    throw new Error('Not running'); // error message from dgram_legacy.js
          ^
Error: Not running
    at Socket._healthCheck (dgram.js:420:11)
    at Socket.send (dgram.js:272:8)
    at MetricsAgent.sendBulk (/home/x/Code/modules/zag/agent/lib/agent.js:104:15)
    at PacketQueue.send (/home/x/Code/modules/zag/agent/lib/agent.js:30:11)
    at PacketQueue.sendPacket (/home/x/Code/modules/zag/agent/lib/packet-queue.js:46:8)
    at PacketQueue.flush (/home/x/Code/modules/zag/agent/lib/packet-queue.js:51:31)
    at null.<anonymous> (/home/x/Code/modules/zag/agent/lib/packet-queue.js:23:50)
    at wrapper [as _onTimeout] (timers.js:252:14)
    at Timer.listOnTimeout [as ontimeout] (timers.js:110:15)