Merge branch 'uid'

lib/express/core.js

@@ -223,7 +223,7 @@ Server = Class({
           request.params = { post: {}}
           stream.addListener('part', function(part){
             if (part.filename) {
-              var file = new File(part.tempfile = '/tmp/express-' + Number(new Date), 'w')
+              var file = new File(part.tempfile = '/tmp/express-' + Number(new Date) + uid(), 'w')
               part.pos = 0
               part.addListener('body', function(chunk){
                 file.write(chunk, part.pos, 'binary')

lib/express/helpers.js

@@ -8,6 +8,20 @@
 JSON.encode = JSON.stringify
 JSON.decode = JSON.parse
 
+/**
+ * Return a unique identifier.
+ *
+ * @return {string}
+ * @api public
+ */
+
+exports.uid = function() {
+  var uid = ''
+  for (var n = 4; n; --n)
+    uid += (Math.abs((Math.random() * 0xFFFFFFF) | 0)).toString(16)
+  return uid
+}
+
 /**
  * Return the directory name of the given _path_.
  *

spec/spec.helpers.js

@@ -21,6 +21,13 @@ describe 'Express'
     end
   end
 
+  describe 'uid()'
+    it 'should return a string of random characters'
+      uid().should.not.eql uid()
+      uid().length.should.be_greater_than 20
+    end
+  end
+
   describe 'extname()'
     it 'should return the a files extension'
       extname('image.png').should.eql 'png'