Do not ignore overridden View.get_view_name() in breadcrumbs

rest_framework/utils/breadcrumbs.py

@@ -32,8 +32,7 @@ def get_breadcrumbs(url, request=None):
                 # Don't list the same view twice in a row.
                 # Probably an optional trailing slash.
                 if not seen or seen[-1] != view:
-                    suffix = getattr(view, 'suffix', None)
-                    name = view_name_func(cls, suffix)
+                    name = cls().get_view_name()
                     insert_url = preserve_builtin_query_params(prefix + url, request)
                     breadcrumbs_list.insert(0, (name, insert_url))
                     seen.append(view)

tests/test_utils.py

@@ -31,10 +31,15 @@ class NestedResourceRoot(APIView):
 class NestedResourceInstance(APIView):
     pass
 
+class CustomNameResourceInstance(APIView):
+    def get_view_name(self):
+        return "Foo"
+
 
 urlpatterns = [
     url(r'^$', Root.as_view()),
     url(r'^resource/$', ResourceRoot.as_view()),
+    url(r'^resource/customname$', CustomNameResourceInstance.as_view()),
     url(r'^resource/(?P<key>[0-9]+)$', ResourceInstance.as_view()),
     url(r'^resource/(?P<key>[0-9]+)/$', NestedResourceRoot.as_view()),
     url(r'^resource/(?P<key>[0-9]+)/(?P<other>[A-Za-z]+)$', NestedResourceInstance.as_view()),
@@ -75,6 +80,17 @@ class BreadcrumbTests(TestCase):
             ]
         )
 
+    def test_resource_instance_customname_breadcrumbs(self):
+        url = '/resource/customname'
+        self.assertEqual(
+            get_breadcrumbs(url),
+            [
+                ('Root', '/'),
+                ('Resource Root', '/resource/'),
+                ('Foo', '/resource/customname')
+            ]
+        )  
+
     def test_nested_resource_breadcrumbs(self):
         url = '/resource/123/'
         self.assertEqual(