Add Test for Unbound Filter Form

tests/test_views.py

@@ -123,6 +123,17 @@ class View(FilterView):
         self.assertEqual(message, expected)
         self.assertEqual(len(recorded), 0)
 
+    def test_view_with_unbound_filter_form_returns_initial_queryset(self):
+        factory = RequestFactory()
+        request = factory.get(self.base_url)
+        queryset = Book.objects.filter(title='Snowcrash')
+        view = FilterView.as_view(model=Book, queryset=queryset)
+        response = view(request)
+        titles = [o.title for o in response.context_data['object_list']]
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(titles, ['Snowcrash'], )
+
 
 class GenericFunctionalViewTests(GenericViewTestCase):
     base_url = '/books-legacy/'