[2.0.x] Fixed #29296 -- Fixed crashes in admindocs when a view is a callable object.

Backport of 33a0b7ac815588ed92dca215e153390af8bdbdda from master

4 files changed, 18 insertions, 0 deletions

diff --git a/tests/admin_docs/test_middleware.py b/tests/admin_docs/test_middleware.py
index 8a818e15d1..ab53716481 100644
--- a/tests/admin_docs/test_middleware.py
+++ b/tests/admin_docs/test_middleware.py
@@ -40,3 +40,8 @@ class XViewMiddlewareTest(TestDataMixin, AdminDocsTestCase):
         user.save()
         response = self.client.head('/xview/class/')
         self.assertNotIn('X-View', response)
+
+    def test_callable_object_view(self):
+        self.client.force_login(self.superuser)
+        response = self.client.head('/xview/callable_object/')
+        self.assertEqual(response['X-View'], 'admin_docs.views.XViewCallableObject')
diff --git a/tests/admin_docs/test_views.py b/tests/admin_docs/test_views.py
index b9955717f4..dbb48f8ac3 100644
--- a/tests/admin_docs/test_views.py
+++ b/tests/admin_docs/test_views.py
@@ -51,6 +51,12 @@ class AdminDocViewTests(TestDataMixin, AdminDocsTestCase):
         )
         self.assertContains(response, 'Views by namespace test')
         self.assertContains(response, 'Name: <code>test:func</code>.')
+        self.assertContains(
+            response,
+            '<h3><a href="/admindocs/views/admin_docs.views.XViewCallableObject/">'
+            '/xview/callable_object_without_xview/</a></h3>',
+            html=True,
+        )
 
     def test_view_index_with_method(self):
         """
diff --git a/tests/admin_docs/urls.py b/tests/admin_docs/urls.py
index 0bcdee4b4b..67c72b249c 100644
--- a/tests/admin_docs/urls.py
+++ b/tests/admin_docs/urls.py
@@ -13,4 +13,6 @@ urlpatterns = [
     url(r'^', include(ns_patterns, namespace='test')),
     url(r'^xview/func/$', views.xview_dec(views.xview)),
     url(r'^xview/class/$', views.xview_dec(views.XViewClass.as_view())),
+    url(r'^xview/callable_object/$', views.xview_dec(views.XViewCallableObject())),
+    url(r'^xview/callable_object_without_xview/$', views.XViewCallableObject()),
 ]
diff --git a/tests/admin_docs/views.py b/tests/admin_docs/views.py
index 31d253f7e2..21fe382bba 100644
--- a/tests/admin_docs/views.py
+++ b/tests/admin_docs/views.py
@@ -13,3 +13,8 @@ def xview(request):
 class XViewClass(View):
     def get(self, request):
         return HttpResponse()
+
+
+class XViewCallableObject(View):
+    def __call__(self, request):
+        return HttpResponse()