Add test for overriding views without overriding app

tests/_site/apps/customer/models.py

@@ -0,0 +1 @@
+from oscar.apps.customer.models import *

tests/_site/apps/customer/views.py

@@ -0,0 +1,6 @@
+from oscar.apps.customer.views import AccountSummaryView as OscarAccountSummaryView
+
+
+class AccountSummaryView(OscarAccountSummaryView):
+    # just here to test import in loading_tests:ClassLoadingWithLocalOverrideTests
+    pass

tests/config.py

@@ -35,7 +35,7 @@ def configure():
                 # Use a custom partner app to test overriding models.  I can't
                 # find a way of doing this on a per-test basis, so I'm using a
                 # global change.
-            ] + oscar.get_core_apps(['tests._site.apps.partner']),
+            ] + oscar.get_core_apps(['tests._site.apps.partner', 'tests._site.apps.customer']),
             'TEMPLATE_CONTEXT_PROCESSORS': (
                 "django.contrib.auth.context_processors.auth",
                 "django.core.context_processors.request",

tests/unit/core/loading_tests.py

@@ -82,6 +82,15 @@ def test_loading_classes_with_root_app(self):
                 (Free,) = get_classes('shipping.methods', ('Free',))
                 self.assertEqual('shipping.methods', Free.__module__)
 
+    def test_overriding_view_is_possible_without_overriding_app(self):
+        from oscar.apps.customer.app import application, CustomerApplication
+        # If test fails, it's helpful to know if it's caused by order of
+        # execution
+        self.assertEqual(CustomerApplication().summary_view.__module__,
+                         'tests._site.apps.customer.views')
+        self.assertEqual(application.summary_view.__module__,
+                         'tests._site.apps.customer.views')
+
 
 class ClassLoadingWithLocalOverrideWithMultipleSegmentsTests(TestCase):