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var test = require('tap').test
var assert = require('assert')
var path = require('path')
var requireInject = require('require-inject')
var cache_dir = path.resolve(__dirname, 'correct-mkdir')
test('correct-mkdir: no race conditions', function (t) {
var mock_fs = {}
var did_hook = false
mock_fs.stat = function (path, cb) {
if (path === cache_dir) {
// Return a non-matching owner
cb(null, {
uid: +process.uid + 1,
isDirectory: function () {
return true
}
})
if (!did_hook) {
did_hook = true
doHook()
}
} else {
assert.ok(false, 'Unhandled stat path: ' + path)
}
}
var chown_in_progress = 0
var mock_chownr = function (path, uid, gid, cb) {
++chown_in_progress
process.nextTick(function () {
--chown_in_progress
cb(null)
})
}
var mocks = {
'graceful-fs': mock_fs,
'chownr': mock_chownr
}
var correctMkdir = requireInject('../../lib/utils/correct-mkdir.js', mocks)
var calls_in_progress = 3
function handleCallFinish () {
t.equal(chown_in_progress, 0, 'should not return while chown still in progress')
if (!--calls_in_progress) {
t.end()
}
}
function doHook () {
// This is fired during the first correctMkdir call, after the stat has finished
// but before the chownr has finished
// Buggy old code will fail and return a cached value before initial call is done
correctMkdir(cache_dir, handleCallFinish)
}
// Initial call
correctMkdir(cache_dir, handleCallFinish)
// Immediate call again in case of race condition there
correctMkdir(cache_dir, handleCallFinish)
})
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