Fixed #27991 -- Added obj arg to InlineModelAdmin.has_add_permission().

Thanks Vladimir Ivanov for the initial patch.

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/modeladmin/tests.py b/tests/modeladmin/tests.py
index 81c28cb0ff..d0123de722 100644
--- a/tests/modeladmin/tests.py
+++ b/tests/modeladmin/tests.py
@@ -709,6 +709,25 @@ class ModelAdminPermissionTests(SimpleTestCase):
         request.user = self.MockDeleteUser()
         self.assertFalse(ma.has_add_permission(request))
 
+    def test_inline_has_add_permission_uses_obj(self):
+        class ConcertInline(TabularInline):
+            model = Concert
+
+            def has_add_permission(self, request, obj):
+                return bool(obj)
+
+        class BandAdmin(ModelAdmin):
+            inlines = [ConcertInline]
+
+        ma = BandAdmin(Band, AdminSite())
+        request = MockRequest()
+        request.user = self.MockAddUser()
+        self.assertEqual(ma.get_inline_instances(request), [])
+        band = Band(name='The Doors', bio='', sign_date=date(1965, 1, 1))
+        inline_instances = ma.get_inline_instances(request, band)
+        self.assertEqual(len(inline_instances), 1)
+        self.assertIsInstance(inline_instances[0], ConcertInline)
+
     def test_has_change_permission(self):
         """
         has_change_permission returns True for users who can edit objects and