1 files changed, 89 insertions, 0 deletions
diff --git a/deps/node/deps/npm/test/tap/locker.js b/deps/node/deps/npm/test/tap/locker.js
new file mode 100644
index 00000000..8c548095
--- /dev/null
+++ b/deps/node/deps/npm/test/tap/locker.js
@@ -0,0 +1,89 @@
+var test = require('tap').test
+var path = require('path')
+var fs = require('graceful-fs')
+var crypto = require('crypto')
+var rimraf = require('rimraf')
+var osenv = require('osenv')
+var mkdirp = require('mkdirp')
+var npm = require('../../')
+var locker = require('../../lib/utils/locker.js')
+var lock = locker.lock
+var unlock = locker.unlock
+
+var pkg = path.join(__dirname, '/locker')
+var cache = path.join(pkg, '/cache')
+var tmp = path.join(pkg, '/tmp')
+var nm = path.join(pkg, '/node_modules')
+
+function cleanup () {
+  process.chdir(osenv.tmpdir())
+  rimraf.sync(pkg)
+}
+
+test('setup', function (t) {
+  cleanup()
+  mkdirp.sync(cache)
+  mkdirp.sync(tmp)
+  t.end()
+})
+
+test('locking file puts lock in correct place', function (t) {
+  npm.load({cache: cache, tmpdir: tmp}, function (er) {
+    t.ifError(er, 'npm bootstrapped OK')
+
+    var n = 'correct'
+    var c = n.replace(/[^a-zA-Z0-9]+/g, '-').replace(/^-+|-+$/g, '')
+    var p = path.resolve(nm, n)
+    var h = crypto.createHash('sha1').update(p).digest('hex')
+    var l = c.substr(0, 24) + '-' + h.substr(0, 16) + '.lock'
+    var v = path.join(cache, '_locks', l)
+
+    lock(nm, n, function (er) {
+      t.ifError(er, 'locked path')
+
+      fs.exists(v, function (found) {
+        t.ok(found, 'lock found OK')
+
+        unlock(nm, n, function (er) {
+          t.ifError(er, 'unlocked path')
+
+          fs.exists(v, function (found) {
+            t.notOk(found, 'lock deleted OK')
+            t.end()
+          })
+        })
+      })
+    })
+  })
+})
+
+test('unlocking out of order errors out', function (t) {
+  npm.load({cache: cache, tmpdir: tmp}, function (er) {
+    t.ifError(er, 'npm bootstrapped OK')
+
+    var n = 'busted'
+    var c = n.replace(/[^a-zA-Z0-9]+/g, '-').replace(/^-+|-+$/g, '')
+    var p = path.resolve(nm, n)
+    var h = crypto.createHash('sha1').update(p).digest('hex')
+    var l = c.substr(0, 24) + '-' + h.substr(0, 16) + '.lock'
+    var v = path.join(cache, '_locks', l)
+
+    fs.exists(v, function (found) {
+      t.notOk(found, 'no lock to unlock')
+
+      t.throws(function () {
+        unlock(nm, n, function () {
+          t.fail("shouldn't get here")
+          t.end()
+        })
+      }, 'blew up as expected')
+
+      t.end()
+    })
+  })
+})
+
+test('cleanup', function (t) {
+  cleanup()
+  t.end()
+})