Added test for the pretty.py extension and fixed sphinx docs.

* The pretty.py extension now has a proper test, although it is minimal.
* The latex/pdf Sphinx docs were building as a *single* chapter.  The
  fix was to add a 6th argument of True to the latex_documents entry
  in conf.py

IPython/extensions/tests/test_pretty.py

@@ -0,0 +1,56 b''
+#!/usr/bin/env python
+# encoding: utf-8
+"""
+Simple tests for :mod:`IPython.extensions.pretty`.
+"""
+
+#-----------------------------------------------------------------------------
+#  Copyright (C) 2008-2009  The IPython Development Team
+#
+#  Distributed under the terms of the BSD License.  The full license is in
+#  the file COPYING, distributed as part of this software.
+#-----------------------------------------------------------------------------
+
+#-----------------------------------------------------------------------------
+# Imports
+#-----------------------------------------------------------------------------
+
+import sys
+from unittest import TestCase
+
+from IPython.core.component import Component, masquerade_as
+from IPython.core.iplib import InteractiveShell
+from IPython.extensions import pretty as pretty_ext
+from IPython.external import pretty
+
+from IPython.utils.traitlets import Bool
+
+#-----------------------------------------------------------------------------
+# Tests
+#-----------------------------------------------------------------------------
+
+
+class InteractiveShellStub(Component):
+    pprint = Bool(True)
+
+class A(object):
+    pass
+
+def a_pprinter(o, p, c):
+    return p.text("<A>")
+
+class TestPrettyResultDisplay(TestCase):
+
+    def setUp(self):
+        self.ip = InteractiveShellStub(None)
+        # This allows our stub to be retrieved instead of the real InteractiveShell
+        masquerade_as(self.ip, InteractiveShell)
+        self.prd = pretty_ext.PrettyResultDisplay(self.ip, name='pretty_result_display')    
+
+    def test_for_type(self):
+        self.prd.for_type(A, a_pprinter)
+        a = A()
+        result = pretty.pretty(a)
+        self.assertEquals(result, "<A>")
+
+

docs/source/conf.py

@@ -164,7 +164,7 b" latex_font_size = '11pt'"
 
 latex_documents = [ ('index', 'ipython.tex', 'IPython Documentation',
                      ur"""The IPython Development Team""",
-                     'manual'),
+                     'manual', True),
                     ]
 
 # The name of an image file (relative to this directory) to place at the top of