[#3128] Render resource view descriptions as Markdown.

Previously, CKAN rendered resource view descriptions as plain text, in
contrast to the help text given in the resource view edit form which
says that Markdown is supported.

ckan/templates/package/snippets/resource_view.html

@@ -10,7 +10,7 @@
       <i class="icon-code"></i>
       {{ _("Embed") }}
     </a>
-    <p class="desc">{{ resource_view['description'] }}</p>
+    <p class="desc">{{ h.render_markdown(resource_view['description']) }}</p>
     <div class="m-top ckanext-datapreview">
       {% if not to_preview and h.resource_view_is_filterable(resource_view) %}
         {% snippet 'package/snippets/resource_view_filters.html', resource=resource %}

ckan/tests/controllers/test_package.py

@@ -1050,6 +1050,17 @@ def test_inexistent_resource_view_page_returns_not_found_code(self):
         app = self._get_test_app()
         app.get(url, status=404)
 
+    def test_resource_view_description_is_rendered_as_markdown(self):
+        resource_view = factories.ResourceView(description="Some **Markdown**")
+        url = url_for(controller='package',
+                      action='resource_read',
+                      id=resource_view['package_id'],
+                      resource_id=resource_view['resource_id'],
+                      view_id=resource_view['id'])
+        app = self._get_test_app()
+        response = app.get(url)
+        response.mustcontain('Some <strong>Markdown</strong>')
+
 
 class TestResourceRead(helpers.FunctionalTestBase):
     @classmethod