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119 lines
3.6 KiB
119 lines
3.6 KiB
var path = require('path')
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var test = require('tap').test
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var readdir = require('graceful-fs').readdir
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var readdirSync = require('graceful-fs').readdirSync
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var rmdir = require('graceful-fs').rmdir
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var statSync = require('graceful-fs').statSync
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var writeFile = require('graceful-fs').writeFile
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var mkdirp = require('mkdirp')
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var mkdtemp = require('tmp').dir
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var tmpFile = require('tmp').file
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var EEXIST = require('errno').code.EEXIST
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var ENOTEMPTY = require('errno').code.ENOTEMPTY
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var requireInject = require('require-inject')
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var vacuum = requireInject('../vacuum.js', {
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'graceful-fs': {
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'lstat': require('graceful-fs').lstat,
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'readdir': function (dir, cb) {
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readdir(dir, function (err, files) {
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// Simulate racy removal by creating a file after vacuum
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// thinks the directory is empty
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if (dir === partialPath && files.length === 0) {
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tmpFile({dir: dir}, function (err, path, fd) {
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if (err) throw err
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cb(err, files)
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})
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} else {
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cb(err, files)
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}
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})
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},
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'rmdir': function (dir, cb) {
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rmdir(dir, function (err) {
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// Force ENOTEMPTY error from rmdir if the directory is non-empty
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var mockErr = ENOTEMPTY
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if (err) {
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if (err.code === EEXIST.code) {
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err.code = err.errno = mockErr.code
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err.message = mockErr.code + ': ' + mockErr.description + ', ' + err.syscall + ' \'' + dir + '\''
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}
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}
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cb(err)
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})
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},
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'unlink': require('graceful-fs').unlink
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}
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})
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// CONSTANTS
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var TEMP_OPTIONS = {
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unsafeCleanup: true,
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mode: '0700'
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}
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var SHORT_PATH = path.join('i', 'am', 'a', 'path')
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var PARTIAL_PATH = path.join(SHORT_PATH, 'that', 'ends', 'at', 'a')
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var FULL_PATH = path.join(PARTIAL_PATH, 'file')
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var messages = []
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function log () { messages.push(Array.prototype.slice.call(arguments).join(' ')) }
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var testBase, partialPath, fullPath
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test('xXx setup xXx', function (t) {
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mkdtemp(TEMP_OPTIONS, function (er, tmpdir) {
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t.ifError(er, 'temp directory exists')
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testBase = path.resolve(tmpdir, SHORT_PATH)
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partialPath = path.resolve(tmpdir, PARTIAL_PATH)
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fullPath = path.resolve(tmpdir, FULL_PATH)
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mkdirp(partialPath, function (er) {
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t.ifError(er, 'made test path')
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writeFile(fullPath, new Buffer('hi'), function (er) {
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t.ifError(er, 'made file')
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t.end()
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})
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})
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})
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})
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test('racy removal should quit gracefully', function (t) {
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vacuum(fullPath, {purge: false, base: testBase, log: log}, function (er) {
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t.ifError(er, 'cleaned up to base')
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t.equal(messages.length, 3, 'got 2 removal & 1 quit message')
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t.equal(messages[2], 'quitting because new (racy) entries in ' + partialPath)
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var stat
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var verifyPath = fullPath
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function verify () { stat = statSync(verifyPath) }
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// handle the file separately
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t.throws(verify, verifyPath + ' cannot be statted')
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t.notOk(stat && stat.isFile(), verifyPath + ' is totally gone')
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verifyPath = path.dirname(verifyPath)
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for (var i = 0; i < 4; i++) {
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t.doesNotThrow(function () {
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stat = statSync(verifyPath)
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}, verifyPath + ' can be statted')
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t.ok(stat && stat.isDirectory(), verifyPath + ' is still a directory')
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verifyPath = path.dirname(verifyPath)
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}
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t.doesNotThrow(function () {
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stat = statSync(testBase)
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}, testBase + ' can be statted')
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t.ok(stat && stat.isDirectory(), testBase + ' is still a directory')
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var files = readdirSync(testBase)
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t.equal(files.length, 1, 'base directory untouched')
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t.end()
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})
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})
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