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// 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 * 1.1
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)
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
console.error('t=%d', time)
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()
setTimeout(function() {
process.exit(1)
}, 500).unref()
})
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