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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// In these tests, we do the following:
// try for 200ms (rt=2)
// wait for 300ms
// try for 200ms (rt=1)
// wait for 300ms
// try for 200ms (rt=0)
// fail after 1200
// Actual time will be more like 1220-ish for setTimeout irregularity
// But it should NOT be as slow as 2000.
var lockFile = require('../')
var touch = require('touch')
var test = require('tap').test
var fs = require('fs')
var RETRYWAIT = 100
var WAIT = 100
var RETRIES = 2
var EXPECTTIME = (RETRYWAIT * RETRIES) + (WAIT * (RETRIES + 1))
var TOOLONG = EXPECTTIME * 1.5
test('setup', function (t) {
touch.sync('file.lock')
t.end()
})
var pollPeriods = [10, 100, 10000]
pollPeriods.forEach(function (pp) {
test('retry+wait, poll=' + pp, function (t) {
var ended = false
var timer = setTimeout(function() {
t.fail('taking too long!')
ended = true
t.end()
}, 2000)
if (timer.unref)
timer.unref()
var start = Date.now()
lockFile.lock('file.lock', {
wait: WAIT,
retries: RETRIES,
retryWait: RETRYWAIT,
pollPeriod: pp
}, function (er) {
if (ended) return
var time = Date.now() - start
t.ok(time >= EXPECTTIME, 'should take at least ' + EXPECTTIME)
t.ok(time < TOOLONG, 'should take less than ' + TOOLONG)
clearTimeout(timer)
t.end()
})
})
})
test('cleanup', function (t) {
fs.unlinkSync('file.lock')
t.end()
var timer = setTimeout(function() {
process.exit(1)
}, 500)
if (timer.unref)
timer.unref()
else
clearTimeout(timer)
})
|
