TEST: Add a non-notebook file to directory test.

IPython/html/services/contents/tests/test_manager.py

@@ -227,22 +227,40 b' class TestContentsManager(TestCase):'
         self.assertEqual(model2['name'], 'Untitled.ipynb')
         self.assertEqual(model2['path'], '{0}/{1}'.format(sub_dir.strip('/'), name))
 
+        # Test with a regular file.
+        file_model_path = cm.new_untitled(path=sub_dir, ext='.txt')['path']
+        file_model = cm.get(file_model_path)
+        self.assertDictContainsSubset(
+            {
+                'content': u'',
+                'format': 'text',
+                'mimetype': u'text/plain',
+                'name': u'untitled.txt',
+                'path': u'foo/untitled.txt',
+                'type': u'file',
+                'writable': True,
+            },
+            file_model,
+        )
+        self.assertIn('created', file_model)
+        self.assertIn('last_modified', file_model)
+
         # Test getting directory model
 
         # Create a sub-sub directory to test getting directory contents with a
         # subdir.
         self.make_dir('foo/bar')
-
         dirmodel = cm.get('foo')
         self.assertEqual(dirmodel['type'], 'directory')
         self.assertIsInstance(dirmodel['content'], list)
-        self.assertEqual(len(dirmodel['content']), 2)
+        self.assertEqual(len(dirmodel['content']), 3)
         self.assertEqual(dirmodel['path'], 'foo')
         self.assertEqual(dirmodel['name'], 'foo')
 
         # Directory contents should match the contents of each individual entry
         # when requested with content=False.
         model2_no_content = cm.get(sub_dir + name, content=False)
+        file_model_no_content = cm.get(u'foo/untitled.txt', content=False)
         sub_sub_dir_no_content = cm.get('foo/bar', content=False)
         self.assertEqual(sub_sub_dir_no_content['path'], 'foo/bar')
         self.assertEqual(sub_sub_dir_no_content['name'], 'bar')
@@ -254,6 +272,8 b' class TestContentsManager(TestCase):'
                 self.assertEqual(entry, sub_sub_dir_no_content)
             elif entry['path'] == model2_no_content['path']:
                 self.assertEqual(entry, model2_no_content)
+            elif entry['path'] == file_model_no_content['path']:
+                self.assertEqual(entry, file_model_no_content)
             else:
                 self.fail("Unexpected directory entry: %s" % entry())