update link fixed, thanks Niphlod

gluon/contrib/webclient.py

@@ -39,6 +39,7 @@ class WebClient(object):
                  session_regex = SESSION_REGEX):
         self.app = app
         self.postbacks = postbacks
+        self.forms = {}
         self.history = []
         self.cookies = {}
         self.default_headers = default_headers

gluon/tests/test_web.py

@@ -41,6 +41,11 @@ class TestWeb(unittest.TestCase):
         client.get('index')
         self.assertTrue('Welcome Homer' in client.text)
 
+        client = WebClient('http://127.0.0.1:8000/admin/default/')
+        client.post('index',data=dict(password='hello'))
+        client.get('site')
+        client.get('design/welcome')
+
 if __name__ == '__main__':
     unittest.main()