1// In these tests, we do the following: 2// try for 200ms (rt=2) 3// wait for 300ms 4// try for 200ms (rt=1) 5// wait for 300ms 6// try for 200ms (rt=0) 7// fail after 1200 8// Actual time will be more like 1220-ish for setTimeout irregularity 9// But it should NOT be as slow as 2000. 10 11var lockFile = require('../') 12var touch = require('touch') 13var test = require('tap').test 14var fs = require('fs') 15 16var RETRYWAIT = 100 17var WAIT = 100 18var RETRIES = 2 19var EXPECTTIME = (RETRYWAIT * RETRIES) + (WAIT * (RETRIES + 1)) 20var TOOLONG = EXPECTTIME * 1.5 21 22test('setup', function (t) { 23 touch.sync('file.lock') 24 t.end() 25}) 26 27var pollPeriods = [10, 100, 10000] 28pollPeriods.forEach(function (pp) { 29 test('retry+wait, poll=' + pp, function (t) { 30 var ended = false 31 var timer = setTimeout(function() { 32 t.fail('taking too long!') 33 ended = true 34 t.end() 35 }, 2000) 36 37 if (timer.unref) 38 timer.unref() 39 40 var start = Date.now() 41 lockFile.lock('file.lock', { 42 wait: WAIT, 43 retries: RETRIES, 44 retryWait: RETRYWAIT, 45 pollPeriod: pp 46 }, function (er) { 47 if (ended) return 48 var time = Date.now() - start 49 t.ok(time >= EXPECTTIME, 'should take at least ' + EXPECTTIME) 50 t.ok(time < TOOLONG, 'should take less than ' + TOOLONG) 51 clearTimeout(timer) 52 t.end() 53 }) 54 }) 55}) 56 57test('cleanup', function (t) { 58 fs.unlinkSync('file.lock') 59 t.end() 60 var timer = setTimeout(function() { 61 process.exit(1) 62 }, 500) 63 if (timer.unref) 64 timer.unref() 65 else 66 clearTimeout(timer) 67}) 68