Added testing documentation

docs/api.rst

@@ -19,6 +19,8 @@ Application Object
 Incoming Request Data
 ---------------------
 
+.. autoclass:: Request
+
 .. class:: request
 
    To access incoming request data, you can use the global `request`
@@ -104,6 +106,20 @@ Incoming Request Data
       `root_url`    ``http://www.example.com/myapplication/``
       ============= ======================================================
 
+Response Objects
+----------------
+
+.. autoclass:: flask.Response
+   :members: set_cookie, data, mimetype
+
+   .. attribute:: headers
+
+      A :class:`Headers` object representing the response headers.
+
+   .. attribute:: status_code
+
+      The response status as integer.
+
 
 Sessions
 --------

docs/index.rst

@@ -21,4 +21,5 @@ you want to dive into all the internal parts of Flask, check out the
    patterns
    api
    deploying
+   testing
    becomingbig