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90 lines
2.2 KiB
90 lines
2.2 KiB
10 years ago
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var test = require("tap").test
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, path = require("path")
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, fs = require("graceful-fs")
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, crypto = require("crypto")
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, rimraf = require("rimraf")
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, osenv = require("osenv")
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, mkdirp = require("mkdirp")
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, npm = require("../../")
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, locker = require("../../lib/utils/locker.js")
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, lock = locker.lock
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, unlock = locker.unlock
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var pkg = path.join(__dirname, "/locker")
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, cache = path.join(pkg, "/cache")
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, tmp = path.join(pkg, "/tmp")
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, nm = path.join(pkg, "/node_modules")
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function cleanup () {
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process.chdir(osenv.tmpdir())
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rimraf.sync(pkg)
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}
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test("setup", function (t) {
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cleanup()
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mkdirp.sync(cache)
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mkdirp.sync(tmp)
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t.end()
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})
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test("locking file puts lock in correct place", function (t) {
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npm.load({cache: cache, tmpdir: tmp}, function (er) {
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t.ifError(er, "npm bootstrapped OK")
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var n = "correct"
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, c = n.replace(/[^a-zA-Z0-9]+/g, "-").replace(/^-+|-+$/g, "")
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, p = path.resolve(nm, n)
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, h = crypto.createHash("sha1").update(p).digest("hex")
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, l = c.substr(0, 24)+"-"+h.substr(0, 16)+".lock"
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, v = path.join(cache, "_locks", l)
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lock(nm, n, function (er) {
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t.ifError(er, "locked path")
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fs.exists(v, function (found) {
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t.ok(found, "lock found OK")
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unlock(nm, n, function (er) {
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t.ifError(er, "unlocked path")
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fs.exists(v, function (found) {
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t.notOk(found, "lock deleted OK")
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t.end()
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})
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})
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})
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})
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})
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})
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test("unlocking out of order errors out", function (t) {
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npm.load({cache: cache, tmpdir: tmp}, function (er) {
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t.ifError(er, "npm bootstrapped OK")
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var n = "busted"
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, c = n.replace(/[^a-zA-Z0-9]+/g, "-").replace(/^-+|-+$/g, "")
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, p = path.resolve(nm, n)
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, h = crypto.createHash("sha1").update(p).digest("hex")
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, l = c.substr(0, 24)+"-"+h.substr(0, 16)+".lock"
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, v = path.join(cache, "_locks", l)
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fs.exists(v, function (found) {
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t.notOk(found, "no lock to unlock")
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t.throws(function () {
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unlock(nm, n, function () {
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t.fail("shouldn't get here")
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t.end()
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})
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}, "blew up as expected")
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t.end()
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})
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})
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})
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test("cleanup", function (t) {
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cleanup()
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t.end()
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})
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