[Django] #24827: assertRaisesMessage() fails with Python 2.7.10~rc1

[Django]

#24827: assertRaisesMessage() fails with Python 2.7.10~rc1
-----------------------------------+--------------------
Reporter: rhertzog | Owner: nobody
Type: Uncategorized | Status: new
Component: Testing framework | Version: 1.8
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
-----------------------------------+--------------------
Currently Debian Unstable has Python 2.7.10~rc1 and the Django test suite
is falling apart since all calls to assertRaisesMessage() fail. All those
errrors are gone when I run the test in Debian 8 Jessie with Python 2.7.9.

I'm not sure if it's a Python bug or a Django bug.

Here are two examples of failures in the test suite:

{{{
======================================================================
ERROR: test_avoid_infinite_loop_on_too_many_subqueries
(queries.tests.Queries1Tests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/«PKGBUILDDIR»/tests/queries/tests.py", line 393, in
test_avoid_infinite_loop_on_too_many_subquer
ies
with self.assertRaisesMessage(RuntimeError, msg):
File "/«PKGBUILDDIR»/django/test/testcases.py", line 582, in
assertRaisesMessage
re.escape(expected_message), callable_obj, *args, **kwargs)
File "/«PKGBUILDDIR»/django/utils/six.py", line 643, in
assertRaisesRegex
return getattr(self, _assertRaisesRegex)(*args, **kwargs)
File "/usr/lib/python2.7/unittest/case.py", line 995, in
assertRaisesRegexp
callable_obj(*args, **kwargs)
TypeError: 'NoneType' object is not callable

======================================================================
FAIL: test_recipients_as_string (mail.tests.MailTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/«PKGBUILDDIR»/tests/mail/tests.py", line 115, in
test_recipients_as_string
with self.assertRaisesMessage(TypeError, '"to" argument must be a list
or tuple'):
File "/«PKGBUILDDIR»/django/test/testcases.py", line 582, in
assertRaisesMessage
re.escape(expected_message), callable_obj, *args, **kwargs)
File "/«PKGBUILDDIR»/django/utils/six.py", line 643, in
assertRaisesRegex
return getattr(self, _assertRaisesRegex)(*args, **kwargs)
AssertionError: "\"to\"\ argument\ must\ be\ a\ list\ or\ tuple" does not
match "'NoneType' object is not callable"
}}}

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Ticket URL: <https://code.djangoproject.com/ticket/24827>
Django <https://code.djangoproject.com/>
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[Django]

#24827: assertRaisesMessage() fails with Python 2.7.10~rc1

-----------------------------------+--------------------------------------
Reporter: rhertzog | Owner: nobody
Type: Uncategorized | Status: closed

Component: Testing framework | Version: 1.8

Severity: Normal | Resolution: fixed
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0

Easy pickings: 0 | UI/UX: 0

-----------------------------------+--------------------------------------
Changes (by claudep):

* status: new => closed
* needs_better_patch: => 0
* resolution: => fixed
* needs_tests: => 0
* needs_docs: => 0

Comment:

Thanks for the report, but I think this has been reverted in Python:
https://bugs.python.org/issue24134

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Ticket URL: <https://code.djangoproject.com/ticket/24827#comment:1>