[4.1.x] Fixed #23718 -- Doc'd that test mirrors require TransactionTestCase.

Co-authored-by: Christian Bundy <me@christianbundy.com>

Backport of 0fbdb9784da915fce5dcc1fe82bac9b4785749e5 from main
This commit is contained in:
sarahboyce 2023-01-15 19:50:36 +01:00 committed by Mariusz Felisiak
parent d805010d68
commit d550e3cccd
2 changed files with 6 additions and 2 deletions

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@ -839,7 +839,9 @@ but for all apps.
Default: ``None``
The alias of the database that this database should mirror during
testing.
testing. It depends on transactions and therefore must be used within
:class:`~django.test.TransactionTestCase` instead of
:class:`~django.test.TestCase`.
This setting exists to allow for testing of primary/replica
(referred to as master/slave by some databases)

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@ -230,7 +230,9 @@ will *not* be created. Instead the connection to ``replica``
will be redirected to point at ``default``. As a result, writes to
``default`` will appear on ``replica`` -- but because they are actually
the same database, not because there is data replication between the
two databases.
two databases. As this depends on transactions, the tests must use
:class:`~django.test.TransactionTestCase` instead of
:class:`~django.test.TestCase`.
.. _topics-testing-creation-dependencies: