Added tests for nb2nb Exporter

Also fixed some small things in template exporter tests.

IPython/nbconvert/exporters/tests/test_exporter.py

@@ -0,0 +1,59 b''
+"""
+Module with tests for exporter.py
+"""
+
+#-----------------------------------------------------------------------------
+# Copyright (c) 2013, the IPython Development Team.
+#
+# Distributed under the terms of the Modified BSD License.
+#
+# The full license is in the file COPYING.txt, distributed with this software.
+#-----------------------------------------------------------------------------
+
+#-----------------------------------------------------------------------------
+# Imports
+#-----------------------------------------------------------------------------
+
+from IPython.config import Config
+
+from .base import ExportersTestsBase
+from ...preprocessors.base import Preprocessor
+from ..exporter import Exporter
+
+
+#-----------------------------------------------------------------------------
+# Class
+#-----------------------------------------------------------------------------
+
+class PizzaPreprocessor(Preprocessor):
+    """Simple preprocessor that adds a 'pizza' entry to the NotebookNode.  Used 
+    to test Exporter.
+    """
+
+    def preprocess(self, nb, resources):
+        nb['pizza'] = 'cheese'
+        return nb, resources
+
+
+class TestExporter(ExportersTestsBase):
+    """Contains test functions for exporter.py"""
+
+
+    def test_constructor(self):
+        """Can an Exporter be constructed?"""
+        Exporter()
+
+
+    def test_export(self):
+        """Can an Exporter export something?"""
+        exporter = Exporter()
+        (notebook, resources) = exporter.from_filename(self._get_notebook())
+        assert isinstance(notebook, dict)
+
+
+    def test_preprocessor(self):
+        """Do preprocessors work?"""
+        config = Config({'Exporter': {'preprocessors': [PizzaPreprocessor()]}})
+        exporter = Exporter(config=config)
+        (notebook, resources) = exporter.from_filename(self._get_notebook())
+        self.assertEqual(notebook['pizza'], 'cheese')

IPython/nbconvert/exporters/tests/test_templateexporter.py

@@ -1,5 +1,5 b''
 """
-Module with tests for exporter.py
+Module with tests for templateexporter.py
 """
 
 #-----------------------------------------------------------------------------
@@ -31,14 +31,14 b' class TestExporter(ExportersTestsBase):'
 
     def test_constructor(self):
         """
-        Can an TemplateExporter be constructed?
+        Can a TemplateExporter be constructed?
         """
         TemplateExporter()
 
 
     def test_export(self):
         """
-        Can an Exporter export something?
+        Can a TemplateExporter export something?
         """
         exporter = self._make_exporter()
         (output, resources) = exporter.from_filename(self._get_notebook())
@@ -102,7 +102,7 b' class TestExporter(ExportersTestsBase):'
 
 
     def _make_exporter(self, config=None):
-        #Create the exporter instance, make sure to set a template name since
-        #the base Exporter doesn't have a template associated with it.
+        # Create the exporter instance, make sure to set a template name since
+        # the base TemplateExporter doesn't have a template associated with it.
         exporter = TemplateExporter(config=config, template_file='python')
         return exporter