#32409: TestCase async tests are not transaction-aware
-------------------------------------+-------------------------------------
Reporter: David | Owner: nobody
Type: Bug | Status: new
Component: Testing | Version: 3.1
framework | Keywords: TestCase, async,
Severity: Normal | transaction
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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`SimpleTestCase` wraps each ''async'' test with `async_to_sync` (see
[https://github.com/django/django/commit/17009e910538b9c3709d302f54c2d10eb245cf38
commit]).
When using `TestCase` this results in problems while accessing the
database via `sync_to_async` (or with channels `database_sync_to_async`).
Since under-the-hood `aync_to_sync` runs the async code in an other thread
and savepoints (aka: transactions) are thread-bound what happens is that
those tests do not interact with the actual ("expected") database which is
wrapped in a transaction bound to main thread.
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Ticket URL: <https://code.djangoproject.com/ticket/32409>
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