misc: include cell key in config json cell CSS class names (#23079)

combo/data/models.py

@@ -1098,6 +1098,10 @@ class ConfigJsonCell(JsonCellBase):
     def set_variant(self, variant):
         self.key = variant
 
+    @property
+    def css_class_names(self):
+        return super(ConfigJsonCell, self).css_class_names + ' ' + self.key
+
     @property
     def ajax_refresh(self):
         return settings.JSON_CELL_TYPES[self.key].get('auto_refresh', None)

tests/test_cells.py

@@ -304,6 +304,7 @@ def test_config_json_cell():
         assert cell.get_label() == 'Foobar'
         assert cell.url == 'http://test/'
         assert cell.template_name == 'combo/json/foobar.html'
+        assert cell.css_class_names.split() == ['configjsoncell', 'foobar']
 
         with mock.patch('combo.utils.requests.get') as requests_get:
             requests_get.return_value = mock.Mock(content=json.dumps({'hello': 'world'}), status_code=200)