-
Notifications
You must be signed in to change notification settings - Fork 97
/
streams.test.js
42 lines (37 loc) · 1.08 KB
/
streams.test.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/*
* Copyright (c) 2015 by Greg Reimer <[email protected]>
* MIT License. See mit-license.txt for more info.
*/
import assert from 'assert'
import streams from '../src/streams'
import getMegaSource from './lib/megabyte-stream'
describe('Streams', function() {
it('should have a size', function() {
let fake = streams.from(new Buffer('x'.repeat(300), 'utf8'))
assert.strictEqual(fake.size(), 300)
})
it('should output input', function(done) {
let s = 'x'.repeat(300)
let fake = streams.from(new Buffer(s, 'utf8'))
let chunks = []
fake.on('data', function(buffer) {
chunks.push(buffer.toString('utf8'))
})
fake.on('end', function() {
assert.strictEqual(chunks.join(''), s)
done()
})
})
it('should brake a big stream', function() {
let start = Date.now()
, fake = getMegaSource()
, brake = streams.brake(1024 * 1000)
, piped = fake.pipe(brake)
return streams.collect(piped)
.then(() => {
let stop = Date.now()
, diff = stop - start
assert.ok(diff > 1000, `took ${diff}ms`)
})
})
})