extract-move.js
3.06 KB
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// Set the umask, so that it works the same everywhere.
process.umask(parseInt('22', 8))
var tap = require("tap")
, tar = require("../tar.js")
, fs = require("fs")
, gfs = require("graceful-fs")
, path = require("path")
, file = path.resolve(__dirname, "fixtures/dir.tar")
, target = path.resolve(__dirname, "tmp/extract-test")
, index = 0
, fstream = require("fstream")
, rimraf = require("rimraf")
, mkdirp = require("mkdirp")
, ee = 0
, expectEntries = [
{
"path" : "dir/",
"mode" : "750",
"type" : "5",
"depth" : undefined,
"size" : 0,
"linkpath" : "",
"nlink" : undefined,
"dev" : undefined,
"ino" : undefined
},
{
"path" : "dir/sub/",
"mode" : "750",
"type" : "5",
"depth" : undefined,
"size" : 0,
"linkpath" : "",
"nlink" : undefined,
"dev" : undefined,
"ino" : undefined
} ]
function slow (fs, method, t1, t2) {
var orig = fs[method]
if (!orig) return null
fs[method] = function () {
var args = [].slice.call(arguments)
console.error("slow", method, args[0])
var cb = args.pop()
setTimeout(function () {
orig.apply(fs, args.concat(function(er, data) {
setTimeout(function() {
cb(er, data)
}, t2)
}))
}, t1)
}
}
// Make sure we get the graceful-fs that fstream is using.
var gfs2
try {
gfs2 = require("fstream/node_modules/graceful-fs")
} catch (er) {}
var slowMethods = ["chown", "chmod", "utimes", "lutimes"]
slowMethods.forEach(function (method) {
var t1 = 500
var t2 = 0
slow(fs, method, t1, t2)
slow(gfs, method, t1, t2)
if (gfs2) {
slow(gfs2, method, t1, t2)
}
})
// The extract class basically just pipes the input
// to a Reader, and then to a fstream.DirWriter
// So, this is as much a test of fstream.Reader and fstream.Writer
// as it is of tar.Extract, but it sort of makes sense.
tap.test("preclean", function (t) {
rimraf.sync(target)
/mkdirp.sync(target)
t.pass("cleaned!")
t.end()
})
tap.test("extract test", function (t) {
var extract = tar.Extract(target)
var inp = fs.createReadStream(file)
// give it a weird buffer size to try to break in odd places
inp.bufferSize = 1234
inp.pipe(extract)
extract.on("end", function () {
rimraf.sync(target)
t.equal(ee, expectEntries.length, "should see "+ee+" entries")
// should get no more entries after end
extract.removeAllListeners("entry")
extract.on("entry", function (e) {
t.fail("Should not get entries after end!")
})
t.end()
})
extract.on("entry", function (entry) {
var found =
{ path: entry.path
, mode: entry.props.mode.toString(8)
, type: entry.props.type
, depth: entry.props.depth
, size: entry.props.size
, linkpath: entry.props.linkpath
, nlink: entry.props.nlink
, dev: entry.props.dev
, ino: entry.props.ino
}
var wanted = expectEntries[ee ++]
t.equivalent(found, wanted, "tar entry " + ee + " " + wanted.path)
})
})