#28091: Hiding 'cursor does not exist' error doesn't work
-------------------------------------+-------------------------------------
Reporter: Claude Paroz | Owner: François
| Freitag
Type: Bug | Status: assigned
Component: Database layer | Version: 1.11
(models, ORM) |
Severity: Release blocker | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by François Freitag):
I updated the test because my cursor creating was flawed. I should have
used directly connection.chunked_cursor() instead of trying to be smart
and use create_cursor().
Fixing this error made the test fail with:
{{{
FAIL: test_cursor_close_failure_does_not_mask_original_exception
(backends.tests.BackendTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib64/python2.7/unittest/case.py", line 329, in run
testMethod()
File "/home/freitafr/dev/django/tests/backends/tests.py", line 700, in
test_cursor_close_failure_does_not_mask_original_exception
list(persons)
File "/usr/lib64/python2.7/contextlib.py", line 35, in __exit__
self.gen.throw(type, value, traceback)
File "/home/freitafr/dev/django/django/test/testcases.py", line 615, in
_assert_raises_message_cm
self.assertIn(expected_message, str(cm.exception))
File "/usr/lib64/python2.7/unittest/case.py", line 803, in assertIn
self.fail(self._formatMessage(msg, standardMsg))
File "/usr/lib64/python2.7/unittest/case.py", line 410, in fail
raise self.failureException(msg)
AssertionError: u'Real exception raised by the database on cursor.execute'
not found in 'Error when attempting to close the cursor, would mask the
actual exception'
}}}
I opened [https://github.com/django/django/pull/8371 #8371] with a
suggested way to fix this issue.
--
Ticket URL: <https://code.djangoproject.com/ticket/28091#comment:5>
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