[Zope3-checkins] SVN: Zope3/trunk/src/zope/app/wsgi/ Added some doctests

[Eckart Hertzler]

Log message for revision 28454:
  
    Added some doctests
  
  

Changed:
  U   Zope3/trunk/src/zope/app/wsgi/__init__.py
  A   Zope3/trunk/src/zope/app/wsgi/tests.py

-=-
Modified: Zope3/trunk/src/zope/app/wsgi/__init__.py
===================================================================
--- Zope3/trunk/src/zope/app/wsgi/__init__.py	2004-11-14 22:08:51 UTC (rev 28453)
+++ Zope3/trunk/src/zope/app/wsgi/__init__.py	2004-11-15 10:59:19 UTC (rev 28454)
@@ -28,6 +28,77 @@
 
     When write is first called by the response, it initiates
     the reponse by invoking the WSGI start_response callable.
+
+    Create a mock implementation of the wsgi write callable
+    >>> from StringIO import StringIO
+    >>> data = StringIO('')
+    >>> def start_response(status, headers):
+    ...     data.write('status and headers.')
+    ...     return data.write
+    ...
+
+    create an instance
+    >>> output = WsgiOutput(start_response)
+
+    Set the response status
+    >>> output.setResponseStatus("200", "OK")
+    >>> output._statusString
+    '200 OK'
+    
+    Set the headers as a mapping
+    >>> output.setResponseHeaders({'a':'b', 'c':'d'})
+
+    They must be returned as a list of tuples
+    >>> output.getHeaders()
+    [('a', 'b'), ('c', 'd')]
+    
+    calling setResponseHeaders again adds new values 
+    >>> output.setResponseHeaders({'x':'y', 'c':'d'})
+    >>> h = output.getHeaders()
+    >>> h.sort()
+    >>> h
+    [('a', 'b'), ('c', 'd'), ('x', 'y')]
+
+    Headers that can potentially repeat are added using
+    appendResponseHeaders
+    >>> output.appendResponseHeaders(['foo: bar'])
+    >>> h = output.getHeaders()
+    >>> h.sort()
+    >>> h    
+    [('a', 'b'), ('c', 'd'), ('foo', ' bar'), ('x', 'y')]
+    >>> output.appendResponseHeaders(['foo: bar'])
+    >>> h = output.getHeaders()
+    >>> h.sort()
+    >>> h    
+    [('a', 'b'), ('c', 'd'), ('foo', ' bar'), ('foo', ' bar'), ('x', 'y')]
+
+    Headers containing a colon should also work
+    >>> output.appendResponseHeaders(['my: brain:hurts'])
+    >>> h = output.getHeaders()
+    >>> h.sort()
+    >>> h    
+    [('a', 'b'), ('c', 'd'), ('foo', ' bar'), \
+('foo', ' bar'), ('my', ' brain:hurts'), ('x', 'y')]
+
+    The headers should not be written to the output
+    >>> output.wroteResponseHeader()
+    False
+    >>> data.getvalue()
+    ''
+    
+    now write something
+    >>> output.write('Now for something')
+
+    The headers should be sent and the data written to the stream
+    >>> output.wroteResponseHeader()
+    True
+    >>> data.getvalue()
+    'status and headers.Now for something'
+
+    calling write again the headers should not be sent again
+    >>> output.write(' completly different!')
+    >>> data.getvalue()
+    'status and headers.Now for something completly different!'
     """
 
     implements(IHeaderOutput)
@@ -56,10 +127,7 @@
 
         Takes a list of strings.
         """
-        accum = self._accumulatedHeaders
-        if accum is None:
-            self._accumulatedHeaders = accum = []
-            accum.extend(lst)
+        self._accumulatedHeaders.extend(lst)
 
     def wroteResponseHeader(self):
         """Returns a flag indicating whether the response
@@ -78,7 +146,9 @@
         to the WSGI spec
         """
         response_headers = self._headers.items()
+
         accum = [ tuple(line.split(':',1)) for line in self._accumulatedHeaders]
+            
         response_headers.extend(accum)
         return response_headers
 

Added: Zope3/trunk/src/zope/app/wsgi/tests.py
===================================================================
--- Zope3/trunk/src/zope/app/wsgi/tests.py	2004-11-14 22:08:51 UTC (rev 28453)
+++ Zope3/trunk/src/zope/app/wsgi/tests.py	2004-11-15 10:59:19 UTC (rev 28454)
@@ -0,0 +1,27 @@
+##############################################################################
+#
+# Copyright (c) 2004 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""WSGI tests
+
+$Id$
+"""
+import unittest
+from zope.testing.doctestunit import DocTestSuite
+
+def test_suite():
+    return unittest.TestSuite((
+        DocTestSuite('zope.app.wsgi'),
+        ))
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='test_suite')


Property changes on: Zope3/trunk/src/zope/app/wsgi/tests.py
___________________________________________________________________
Name: svn:keywords
   + Id
Name: svn:eol-style
   + native