fix: customize "view order item" page w/ panels

more to come soon..

tests/web/views/test_orders.py

@@ -11,6 +11,7 @@ from pyramid.response import Response
 from wuttaweb.forms.schema import WuttaMoney
 
 from sideshow.batch.neworder import NewOrderBatchHandler
+from sideshow.orders import OrderHandler
 from sideshow.testing import WebTestCase
 from sideshow.web.views import orders as mod
 from sideshow.web.forms.schema import OrderRef, PendingProductRef
@@ -30,6 +31,13 @@ class TestOrderView(WebTestCase):
     def make_handler(self):
         return NewOrderBatchHandler(self.config)
 
+    def test_order_handler(self):
+        view = self.make_view()
+        handler = view.order_handler
+        self.assertIsInstance(handler, OrderHandler)
+        handler2 = view.get_order_handler()
+        self.assertIs(handler2, handler)
+
     def test_configure_grid(self):
         model = self.app.model
         view = self.make_view()
@@ -1249,6 +1257,13 @@ class TestOrderItemView(WebTestCase):
     def make_view(self):
         return mod.OrderItemView(self.request)
 
+    def test_order_handler(self):
+        view = self.make_view()
+        handler = view.order_handler
+        self.assertIsInstance(handler, OrderHandler)
+        handler2 = view.get_order_handler()
+        self.assertIs(handler2, handler)
+
     def test_get_query(self):
         view = self.make_view()
         query = view.get_query(session=self.session)
@@ -1314,6 +1329,24 @@ class TestOrderItemView(WebTestCase):
             self.assertIsInstance(schema['order'].typ, OrderRef)
             self.assertNotIn('pending_product', form)
 
+    def test_get_template_context(self):
+        model = self.app.model
+        enum = self.app.enum
+        view = self.make_view()
+
+        order = model.Order()
+        item = model.OrderItem(order_qty=2, order_uom=enum.ORDER_UOM_CASE, case_size=8)
+        order.items.append(item)
+
+        with patch.object(view, 'viewing', new=True):
+            context = view.get_template_context({'instance': item})
+            self.assertIn('item', context)
+            self.assertIs(context['item'], item)
+            self.assertIn('order', context)
+            self.assertIs(context['order'], order)
+            self.assertIn('order_qty_uom_text', context)
+            self.assertEqual(context['order_qty_uom_text'], "2 Cases (× 8 = 16 Units)")
+
     def test_get_xref_buttons(self):
         self.pyramid_config.add_route('orders.view', '/orders/{uuid}')
         model = self.app.model