diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/many_to_many/tests.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/many_to_many/tests.py b/tests/many_to_many/tests.py index 933eb23a7a..adde2ac563 100644 --- a/tests/many_to_many/tests.py +++ b/tests/many_to_many/tests.py @@ -117,6 +117,16 @@ class ManyToManyTests(TestCase): ] ) + @skipUnlessDBFeature('supports_ignore_conflicts') + def test_add_ignore_conflicts(self): + manager_cls = self.a1.publications.__class__ + # Simulate a race condition between the missing ids retrieval and + # the bulk insertion attempt. + missing_target_ids = {self.p1.id} + with mock.patch.object(manager_cls, '_get_missing_target_ids', return_value=missing_target_ids) as mocked: + self.a1.publications.add(self.p1) + mocked.assert_called_once() + def test_related_sets(self): # Article objects have access to their related Publication objects. self.assertQuerysetEqual(self.a1.publications.all(), ['<Publication: The Python Journal>']) |