Refs #28999 -- Added tests for reversing a class-based view by instance.

tests/urlpatterns_reverse/tests.py

@@ -522,6 +522,15 @@ class URLPatternReverse(SimpleTestCase):
         with self.assertRaisesMessage(NoReverseMatch, msg):
             reverse("places", kwargs={"arg1": 2})
 
+    def test_func_view_from_cbv(self):
+        expected = "/hello/world/"
+        url = reverse(views.view_func_from_cbv, kwargs={"name": "world"})
+        self.assertEqual(url, expected)
+
+    def test_func_view_from_cbv_no_expected_kwarg(self):
+        with self.assertRaises(NoReverseMatch):
+            reverse(views.view_func_from_cbv)
+
 
 class ResolverTests(SimpleTestCase):
     def test_resolver_repr(self):

tests/urlpatterns_reverse/urls.py

@@ -8,6 +8,7 @@ from .views import (
     empty_view_partial,
     empty_view_wrapped,
     nested_view,
+    view_func_from_cbv,
 )
 
 other_patterns = [
@@ -136,4 +137,6 @@ urlpatterns = [
     path("includes/", include(other_patterns)),
     # Security tests
     re_path("(.+)/security/$", empty_view, name="security"),
+    # View function from cbv
+    path("hello/<slug:name>/", view_func_from_cbv),
 ]

tests/urlpatterns_reverse/views.py

@@ -3,7 +3,7 @@ from functools import partial, update_wrapper
 from django.contrib.auth.decorators import user_passes_test
 from django.http import HttpResponse
 from django.urls import reverse_lazy
-from django.views.generic import RedirectView
+from django.views.generic import RedirectView, View
 
 
 def empty_view(request, *args, **kwargs):
@@ -58,6 +58,13 @@ def bad_view(request, *args, **kwargs):
     raise ValueError("I don't think I'm getting good value for this view")
 
 
+class _HelloView(View):
+    def get(self, request, *args, **kwargs):
+        return HttpResponse(f"Hello {self.kwargs['name']}")
+
+
+view_func_from_cbv = _HelloView.as_view()
+
 empty_view_partial = partial(empty_view, template_name="template.html")
 empty_view_nested_partial = partial(
     empty_view_partial, template_name="nested_partial.html"