signal-channel/examples/simple/node_modules/scuttlebutt/test/dispose.js

A signal channel that empowers webrtc

/*
we need to be able to stream the state of the model to disk,
and then call doc.dispose()
and end the stream.
*/

var EE = require('../events')
var assert = require('assert')
var es = require('event-stream')
var mac = require('macgyver')()
process.on('exit', mac.validate)

var emitter = new EE()
var ended = false

var fs = require('fs')

var s = emitter.createReadStream({tail: true})
  s.on('readable', function () {
    console.log('READABLE')
  })
//  s.pipe(fs.createWriteStream('/tmp/dispose-test'))
  s.pipe(es.writeArray(function (err, ary) {
    console.log(ary)
    ended = true
  }))
  
emitter.emit('message', 'hello')
emitter.emit('message', 'hello')

emitter.on('dispose', function () {
  console.log('DISPOSE')
})

process.nextTick(function () {
  console.log('dispose')
  emitter.dispose()
  assert(ended, 'dispose must trigger end on all streams')
})