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89 lines
2.2 KiB
89 lines
2.2 KiB
var test = require('tap').test
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var path = require('path')
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var fs = require('graceful-fs')
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var crypto = require('crypto')
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var rimraf = require('rimraf')
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var osenv = require('osenv')
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var mkdirp = require('mkdirp')
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var npm = require('../../')
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var locker = require('../../lib/utils/locker.js')
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var lock = locker.lock
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var unlock = locker.unlock
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var pkg = path.join(__dirname, '/locker')
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var cache = path.join(pkg, '/cache')
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var tmp = path.join(pkg, '/tmp')
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var 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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var c = n.replace(/[^a-zA-Z0-9]+/g, '-').replace(/^-+|-+$/g, '')
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var p = path.resolve(nm, n)
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var h = crypto.createHash('sha1').update(p).digest('hex')
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var l = c.substr(0, 24) + '-' + h.substr(0, 16) + '.lock'
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var v = path.join(cache, '_locks', l)
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lock(nm, n, function (er) {
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t.ifError(er, 'locked path')
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fs.exists(v, function (found) {
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t.ok(found, 'lock found OK')
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unlock(nm, n, function (er) {
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t.ifError(er, 'unlocked path')
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fs.exists(v, function (found) {
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t.notOk(found, 'lock deleted OK')
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t.end()
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})
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})
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})
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})
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})
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})
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test('unlocking out of order errors out', function (t) {
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npm.load({cache: cache, tmpdir: tmp}, function (er) {
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t.ifError(er, 'npm bootstrapped OK')
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var n = 'busted'
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var c = n.replace(/[^a-zA-Z0-9]+/g, '-').replace(/^-+|-+$/g, '')
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var p = path.resolve(nm, n)
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var h = crypto.createHash('sha1').update(p).digest('hex')
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var l = c.substr(0, 24) + '-' + h.substr(0, 16) + '.lock'
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var 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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