diff options
Diffstat (limited to 'deps/npm/node_modules/fs-vacuum/test/racy-entries.js')
-rw-r--r-- | deps/npm/node_modules/fs-vacuum/test/racy-entries.js | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/deps/npm/node_modules/fs-vacuum/test/racy-entries.js b/deps/npm/node_modules/fs-vacuum/test/racy-entries.js new file mode 100644 index 00000000000..c0ed53243de --- /dev/null +++ b/deps/npm/node_modules/fs-vacuum/test/racy-entries.js @@ -0,0 +1,104 @@ +var path = require('path') + +var test = require('tap').test + +var readdir = require('graceful-fs').readdir +var readdirSync = require('graceful-fs').readdirSync +var statSync = require('graceful-fs').statSync +var writeFile = require('graceful-fs').writeFile +var mkdirp = require('mkdirp') +var mkdtemp = require('tmp').dir +var tmpFile = require('tmp').file + +var requireInject = require('require-inject') +var vacuum = requireInject('../vacuum.js', { + 'graceful-fs': { + 'lstat': require('graceful-fs').lstat, + 'readdir': function (dir, cb) { + readdir(dir, function (err, files) { + // Simulate racy removal by creating a file after vacuum + // thinks the directory is empty + if (dir === partialPath && files.length === 0) { + tmpFile({dir: dir}, function (err, path, fd) { + if (err) throw err + cb(err, files) + }) + } else { + cb(err, files) + } + }) + }, + 'rmdir': require('graceful-fs').rmdir, + 'unlink': require('graceful-fs').unlink + } +}) + +// CONSTANTS +var TEMP_OPTIONS = { + unsafeCleanup: true, + mode: '0700' +} +var SHORT_PATH = path.join('i', 'am', 'a', 'path') +var PARTIAL_PATH = path.join(SHORT_PATH, 'that', 'ends', 'at', 'a') +var FULL_PATH = path.join(PARTIAL_PATH, 'file') + +var messages = [] +function log () { messages.push(Array.prototype.slice.call(arguments).join(' ')) } + +var testBase, partialPath, fullPath +test('xXx setup xXx', function (t) { + mkdtemp(TEMP_OPTIONS, function (er, tmpdir) { + t.ifError(er, 'temp directory exists') + + testBase = path.resolve(tmpdir, SHORT_PATH) + partialPath = path.resolve(tmpdir, PARTIAL_PATH) + fullPath = path.resolve(tmpdir, FULL_PATH) + + mkdirp(partialPath, function (er) { + t.ifError(er, 'made test path') + + writeFile(fullPath, new Buffer('hi'), function (er) { + t.ifError(er, 'made file') + + t.end() + }) + }) + }) +}) + +test('racy removal should quit gracefully', function (t) { + vacuum(fullPath, {purge: false, base: testBase, log: log}, function (er) { + t.ifError(er, 'cleaned up to base') + + t.equal(messages.length, 3, 'got 2 removal & 1 quit message') + t.equal(messages[2], 'quitting because new (racy) entries in ' + partialPath) + + var stat + var verifyPath = fullPath + + function verify () { stat = statSync(verifyPath) } + + // handle the file separately + t.throws(verify, verifyPath + ' cannot be statted') + t.notOk(stat && stat.isFile(), verifyPath + ' is totally gone') + verifyPath = path.dirname(verifyPath) + + for (var i = 0; i < 4; i++) { + t.doesNotThrow(function () { + stat = statSync(verifyPath) + }, verifyPath + ' can be statted') + t.ok(stat && stat.isDirectory(), verifyPath + ' is still a directory') + verifyPath = path.dirname(verifyPath) + } + + t.doesNotThrow(function () { + stat = statSync(testBase) + }, testBase + ' can be statted') + t.ok(stat && stat.isDirectory(), testBase + ' is still a directory') + + var files = readdirSync(testBase) + t.equal(files.length, 1, 'base directory untouched') + + t.end() + }) +}) |