diff options
Diffstat (limited to 'docs/topics/testing/tools.txt')
| -rw-r--r-- | docs/topics/testing/tools.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/topics/testing/tools.txt b/docs/topics/testing/tools.txt index 8c502d6c2e..f1667f757e 100644 --- a/docs/topics/testing/tools.txt +++ b/docs/topics/testing/tools.txt @@ -806,6 +806,12 @@ additions, including: (for instance, MySQL with the MyISAM engine), ``setUpTestData()`` will be called before each test, negating the speed benefits. + Be careful not to modify any objects created in ``setUpTestData()`` in + your test methods. Modifications to in-memory objects from setup work done + at the class level will persist between test methods. If you do need to + modify them, you could reload them in the ``setUp()`` method with + :meth:`~django.db.models.Model.refresh_from_db`, for example. + .. warning:: If you want to test some specific database transaction behavior, you should |