feat: inherit most logic from wuttaweb, for GridAction

tests/views/test_master.py

@@ -3,6 +3,7 @@
 from unittest.mock import patch
 
 from tailbone.views import master as mod
+from wuttaweb.grids import GridAction
 from tests.util import WebTestCase
 
 
@@ -24,3 +25,11 @@ class TestMasterView(WebTestCase):
             # sanity / coverage check
             kw = view.make_form_kwargs(model_instance=setting)
             self.assertIsNotNone(kw['action_url'])
+
+    def test_make_action(self):
+        model = self.app.model
+        with patch.multiple(mod.MasterView, create=True,
+                            model_class=model.Setting):
+            view = self.make_view()
+            action = view.make_action('view')
+            self.assertIsInstance(action, GridAction)