basic.js•825 B
var concat = require('../')
var stream = require('stream')
var test = require('tape')
test('basic', function (t) {
t.plan(2)
var s = new stream.PassThrough()
concat(s, function (err, buf) {
t.error(err)
t.deepEqual(buf, Buffer.from('abc123456789'))
})
s.write('abc')
setTimeout(function () {
s.write('123')
}, 10)
setTimeout(function () {
s.write('456')
}, 20)
setTimeout(function () {
s.end('789')
}, 30)
})
test('error', function (t) {
t.plan(2)
var s = new stream.PassThrough()
concat(s, function (err, buf) {
t.ok(err, 'got expected error')
t.ok(!buf)
})
s.write('abc')
setTimeout(function () {
s.write('123')
}, 10)
setTimeout(function () {
s.write('456')
}, 20)
setTimeout(function () {
s.emit('error', new Error('error'))
}, 30)
})