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node_modules/mux-demux/test/disconnections.js
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/*
connect two streams.
on a disconnect, both streams should emit 'close'
*/
var consistent = require('./consistent')
var MuxDemux = require('../')
var es = require('event-stream')
var test = require('tape')
module.exports = function (wrapper) {
function randomNumberStream (max, count) {
count = count || 20
max = max || 10
return es.readable(function (i, cb) {
this.emit('data', Math.random() * max)
if(i > count)
this.emit('end')
cb()
})
}
test('disconnections 1', function (a) {
var master = consistent(a)
var slave = master.createSlave()
var client = MuxDemux({error: true, wrapper: wrapper})
var server = MuxDemux({error: true, wrapper: wrapper})
client.pipe(server).pipe(client)
var count = 0, dCount = 1
server.on('connection', function (stream) {
a.equal(stream.meta, 'disconnect1')
stream
.on('error', function () {
console.log('<< ERROR')
})
.pipe(slave)
.pipe(es.log('<<'))//.pipe(stream)
.on('data', function () {
dCount ++
})
.on('end', function () {
a.equal(count, dCount, 'each stream should see the same items')
console.log('<< END')
})
})
var rns = randomNumberStream()
rns
.on('data', function (data) {
if(++ count < 12) return
if(client.writable) {
client.destroy()
console.log('DISCONNECT')
}
console.log('DATA', data, count)
})
.pipe(master)
.pipe(es.log('>>'))
.pipe(client.createWriteStream('disconnect1')
.on('error', function () {rns.destroy(); console.log('>> ERROR')})
.on('close', function () {
a.equal(count, dCount, 'each stream should see the same items')
console.log('>> END')
//not all the events are emitted,
//but since the streams are destroyed,
//and piping stops then they end up with
//the same data through them.
slave.validate()
a.end()
}))
/*
THERE are some problems with streams that close.
or rather, SHOULD close.
*/
});
test('simple', function simple (a) {
var client = MuxDemux({error: true, wrapper: wrapper})
var server = MuxDemux({error: true, wrapper: wrapper})
client.pipe(server).pipe(client)
client.resume()
server.resume()
var r1 = Math.random()
server.on('connection', function (stream) {
stream.on('data', function (data) {
a.equal(data, r1)
console.log('data')
})
stream.on('end', function () {
console.log('end')
a.end()
})
})
c = client.createWriteStream()
c.write(r1)
c.end()
});
}
if(!module.parent)
module.exports()
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