1 var path = require('path')
3 var test = require('tap').test
5 var readdir = require('graceful-fs').readdir
6 var readdirSync = require('graceful-fs').readdirSync
7 var rmdir = require('graceful-fs').rmdir
8 var statSync = require('graceful-fs').statSync
9 var writeFile = require('graceful-fs').writeFile
10 var mkdirp = require('mkdirp')
11 var mkdtemp = require('tmp').dir
12 var tmpFile = require('tmp').file
13 var EEXIST = require('errno').code.EEXIST
14 var ENOTEMPTY = require('errno').code.ENOTEMPTY
16 var requireInject = require('require-inject')
17 var vacuum = requireInject('../vacuum.js', {
19 'lstat': require('graceful-fs').lstat,
20 'readdir': function (dir, cb) {
21 readdir(dir, function (err, files) {
22 // Simulate racy removal by creating a file after vacuum
23 // thinks the directory is empty
24 if (dir === partialPath && files.length === 0) {
25 tmpFile({dir: dir}, function (err, path, fd) {
34 'rmdir': function (dir, cb) {
35 rmdir(dir, function (err) {
36 // Force EEXIST error from rmdir if the directory is non-empty
39 if (err.code === ENOTEMPTY.code) {
40 err.code = err.errno = mockErr.code
41 err.message = mockErr.code + ': ' + mockErr.description + ', ' + err.syscall + ' \'' + dir + '\''
47 'unlink': require('graceful-fs').unlink
56 var SHORT_PATH = path.join('i', 'am', 'a', 'path')
57 var PARTIAL_PATH = path.join(SHORT_PATH, 'that', 'ends', 'at', 'a')
58 var FULL_PATH = path.join(PARTIAL_PATH, 'file')
61 function log () { messages.push(Array.prototype.slice.call(arguments).join(' ')) }
63 var testBase, partialPath, fullPath
64 test('xXx setup xXx', function (t) {
65 mkdtemp(TEMP_OPTIONS, function (er, tmpdir) {
66 t.ifError(er, 'temp directory exists')
68 testBase = path.resolve(tmpdir, SHORT_PATH)
69 partialPath = path.resolve(tmpdir, PARTIAL_PATH)
70 fullPath = path.resolve(tmpdir, FULL_PATH)
72 mkdirp(partialPath, function (er) {
73 t.ifError(er, 'made test path')
75 writeFile(fullPath, new Buffer('hi'), function (er) {
76 t.ifError(er, 'made file')
84 test('racy removal should quit gracefully', function (t) {
85 vacuum(fullPath, {purge: false, base: testBase, log: log}, function (er) {
86 t.ifError(er, 'cleaned up to base')
88 t.equal(messages.length, 3, 'got 2 removal & 1 quit message')
89 t.equal(messages[2], 'quitting because new (racy) entries in ' + partialPath)
92 var verifyPath = fullPath
94 function verify () { stat = statSync(verifyPath) }
96 // handle the file separately
97 t.throws(verify, verifyPath + ' cannot be statted')
98 t.notOk(stat && stat.isFile(), verifyPath + ' is totally gone')
99 verifyPath = path.dirname(verifyPath)
101 for (var i = 0; i < 4; i++) {
102 t.doesNotThrow(function () {
103 stat = statSync(verifyPath)
104 }, verifyPath + ' can be statted')
105 t.ok(stat && stat.isDirectory(), verifyPath + ' is still a directory')
106 verifyPath = path.dirname(verifyPath)
109 t.doesNotThrow(function () {
110 stat = statSync(testBase)
111 }, testBase + ' can be statted')
112 t.ok(stat && stat.isDirectory(), testBase + ' is still a directory')
114 var files = readdirSync(testBase)
115 t.equal(files.length, 1, 'base directory untouched')