Follow shadir and shacache spec change.

src/zc/buildout/testing.py

@@ -557,9 +557,8 @@ class Handler(BaseHTTPServer.BaseHTTPRequestHandler):
 class NCHandler(Handler):
     def do_POST(self):
         path = os.path.abspath(os.path.join(self.tree, *self.path.split('/')))
-        d = os.path.dirname(path)
-        if not os.path.exists(d):
-            os.makedirs(d)
+        if not os.path.exists(path):
+            os.makedirs(path)
         data = self.rfile.read(int(self.headers.getheader('content-length')))
         sha512 = hashlib.sha512(data).hexdigest()
         try:
@@ -568,7 +567,7 @@ class NCHandler(Handler):
             pass
         else:
             data = json.dumps([d])
-        open(path, 'wb').write(data)
+        open(os.path.join(path, sha512), 'wb').write(data)
         self.send_response(201)
         self.send_header('Content-Length', str(len(sha512)))
         self.send_header('Content-Type', 'text/html')