Have Rietveld.get_description() consistently strip CR and whitespace.

tests/rietveld_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Unit tests for rietveld.py."""
 
 import logging
 import os
 import sys
@@ skipping 385 matching lines @@
 
   def test_get_description(self):
     self.requests = [
       ('/1/description', 'Blah blah blah'),
     ]
     expected = 'Blah blah blah'
     self.assertEqual(expected, self.rietveld.get_description(1))
     self.assertEqual(expected, self.rietveld.get_description(1))
 
   def test_get_issue_properties(self):
+    data = {'description': 'wow\r\nno CR!', 'messages': 'foo'}
     self.requests = [
-      ('/api/1?messages=true', rietveld.json.dumps({'messages': 'foo'})),
+      ('/api/1?messages=true', rietveld.json.dumps(data)),
     ]
-    expected = {}
-    expected_msg = {'messages': 'foo'}
+    expected = {u'description': u'wow\nno CR!'}
+    expected_msg = {u'description': u'wow\nno CR!', u'messages': u'foo'}
     self.assertEqual(expected, self.rietveld.get_issue_properties(1, False))
     self.assertEqual(expected_msg, self.rietveld.get_issue_properties(1, True))
 
   def test_get_patchset_properties(self):
     self.requests = [
       ('/api/1/2', '{}'),
     ]
     expected = {}
     self.assertEqual(expected, self.rietveld.get_patchset_properties(1, 2))
     self.assertEqual(expected, self.rietveld.get_patchset_properties(1, 2))
 
 
 
 if __name__ == '__main__':
   logging.basicConfig(level=[
     logging.ERROR, logging.INFO, logging.DEBUG][min(2, sys.argv.count('-v'))])
   unittest.main()