feat: add basic MasterView to show all registered master views

also serves as anchor for "make new master view" feature, coming soon

tests/views/test_views.py

@@ -0,0 +1,46 @@
+# -*- coding: utf-8; -*-
+
+from wuttaweb.testing import WebTestCase
+from wuttaweb.views import views as mod
+from wuttaweb.views.users import UserView
+
+
+class TestMasterViewView(WebTestCase):
+
+    def make_view(self):
+        return mod.MasterViewView(self.request)
+
+    def test_includeme(self):
+        self.pyramid_config.include("wuttaweb.views.views")
+
+    def test_get_grid_data(self):
+        view = self.make_view()
+
+        # empty by default, since nothing registered in test setup
+        data = view.get_grid_data()
+        self.assertIsInstance(data, list)
+        self.assertEqual(len(data), 0)
+
+        # so let's register one and try again
+        self.pyramid_config.add_wutta_master_view(UserView)
+        data = view.get_grid_data()
+        self.assertGreater(len(data), 0)
+        master = data[0]
+        self.assertIsInstance(master, dict)
+        self.assertEqual(master["model_title_plural"], "Users")
+        self.assertEqual(master["model_name"], "User")
+        self.assertEqual(master["url_prefix"], "/users")
+
+    def test_configure_grid(self):
+        self.pyramid_config.add_route("users", "/users/")
+        self.pyramid_config.add_wutta_master_view(UserView)
+        view = self.make_view()
+
+        # sanity / coverage check
+        grid = view.make_grid(
+            columns=["model_title_plural", "url_prefix"], data=view.get_grid_data()
+        )
+        view.configure_grid(grid)
+
+        # nb. must invoke this to exercise the url logic
+        grid.get_vue_context()