#20382: random TransactionManagementError during tests in _fixture_setup
-------------------------------------+-------------------------------------
Reporter: joao@… | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.5
(models, ORM) | Keywords:
Severity: Normal | TransactionManagementError
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Automated Django 1.5.1 tests randomly fail with
**TransactionManagementError**. It is hard to track down because a failed
test can run again, without any changes, and pass.
I am NOT using the **@transaction.commit_manually** decorator and am aware
of the need for manual commit/rollback when it is used.
One view does have the **@transaction.commit_on_success** decorator. It
does NOT have any commands for manual commit/rollback and from the docs I
believe this is correct. But this might be irrelevant:
1. the view is not called in every fail case
1. error raised during fixture setup
Test database is set to django.db.backends.sqlite3
{{{
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/django/test/testcases.py", line
259, in __call__
self._pre_setup()
File "/usr/lib64/python2.7/site-packages/django/test/testcases.py", line
479, in _pre_setup
self._fixture_setup()
File "/usr/lib64/python2.7/site-packages/django/test/testcases.py", line
518, in _fixture_setup
**{'verbosity': 0, 'database': db_name, 'skip_validation': True})
File "/usr/lib64/python2.7/site-
packages/django/core/management/__init__.py", line 161, in call_command
return klass.execute(*args, **defaults)
File "/usr/lib64/python2.7/site-
packages/django/core/management/base.py", line 255, in execute
output = self.handle(*args, **options)
File "/usr/lib64/python2.7/site-
packages/django/core/management/commands/loaddata.py", line 234, in handle
transaction.leave_transaction_management(using=using)
File "/usr/lib64/python2.7/site-packages/django/db/transaction.py", line
66, in leave_transaction_management
connection.leave_transaction_management()
File "/usr/lib64/python2.7/site-
packages/django/db/backends/__init__.py", line 131, in
leave_transaction_management
"This code isn't under transaction management")
TransactionManagementError: This code isn't under transaction management
}}}
== Selenium Tests ==
* Using Selenium webdriver 2.32.0 (latest)
* BrowserTestCase extends django.test.LiveServerTestCase
* Test classes extend BrowserTestCase and inherit the same fixtures
== Unit Tests ==
* Error does NOT occur for tests extending django.test.TestCase or
django.utils.unittest
* Use the same fixtures as above
--
Ticket URL: <https://code.djangoproject.com/ticket/20382>
Django <https://code.djangoproject.com/>
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