Make it possible for node types to have a 'custom view'

This 'custom view' means that the URL to view the node (as returned by
url_for_node(…)) cannot be loaded via XHR and embedded in the project
viewer, but should rather be used as the actual browser URL instead.

Currently only blogs use this.

tests/test_web/test_jstree.py

@@ -39,7 +39,42 @@ class JSTreeTest(AbstractPillarTest):
             'text': Markup('Live <strong>Edit</strong>'),
             'type': 'file',
             'children': False,
+            'custom_view': False,
         })
+
+    def test_jstree_parse_blog_node(self):
+        from pillar.web.utils.jstree import jstree_parse_node
+
+        node_doc = {'_id': ObjectId('55f338f92beb3300c4ff99fe'),
+                    '_created': parse('2015-09-11T22:26:33.000+0200'),
+                    '_updated': parse('2015-10-30T22:44:27.000+0100'),
+                    '_etag': '5248485b4ea7e55e858ff84b1bd4aae88917a37c',
+                    'picture': ObjectId('55f338f92beb3300c4ff99de'),
+                    'description': 'Play the full movie and see how it was cobbled together.',
+                    'parent': ObjectId('55f338f92beb3300c4ff99f9'),
+                    'project': ObjectId('55f338f92beb3300c4ff99e5'),
+                    'node_type': 'blog',
+                    'user': ObjectId('552b066b41acdf5dec4436f2'),
+                    'properties': {'status': 'published',
+                                   'file': ObjectId('55f338f92beb3300c4ff99c2'),
+                                   'content_type': 'file'},
+                    'name': 'Live <strong>Edit</strong>'}
+
+        # Mocking url_for_node prevents us from setting up a project and an URLer service.
+        with mock.patch('pillar.web.nodes.routes.url_for_node') as mock_url_for_node:
+            mock_url_for_node.return_value = '/the/url'
+            parsed = jstree_parse_node(Node(node_doc))
+
+        self.assertEqual(parsed, {
+            'id': 'n_55f338f92beb3300c4ff99fe',
+            'a_attr': {'href': '/the/url'},
+            'li_attr': {'data-node-type': 'blog'},
+            'text': Markup('Live &lt;strong&gt;Edit&lt;/strong&gt;'),
+            'type': 'blog',
+            'children': False,
+            'custom_view': True,
+        })
+
     def test_jstree_parse_just_created_node(self):
         from pillar.web.utils.jstree import jstree_parse_node
 
@@ -64,4 +99,5 @@ class JSTreeTest(AbstractPillarTest):
             'text': Markup('Live &lt;strong&gt;Edit&lt;/strong&gt;'),
             'type': 'asset',
             'children': False,
+            'custom_view': False,
         })