testRegisterResult in test_unittest fails in verbose mode

[serhiy-storchaka]

BPO	33746
Nosy	@vstinner, @rbtcollins, @ezio-melotti, @voidspace, @serhiy-storchaka, @miss-islington
PRs	bpo-33746: Fix test_unittest in verbose mode #7389 bpo-33746: Fix test_unittest when run in verbose mode #7799 [3.7] bpo-33746: Fix test_unittest.testRegisterResult() in verbose mode (GH-7799) #7820 [3.6] bpo-33746: Fix test_unittest.testRegisterResult() in verbose mode (GH-7799) #7821

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2018-06-20.10:03:25.154>
created_at = <Date 2018-06-03.11:33:27.319>
labels = ['3.7', '3.8', 'type-bug', 'tests']
title = 'testRegisterResult in test_unittest fails in verbose mode'
updated_at = <Date 2018-06-20.10:04:16.990>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2018-06-20.10:04:16.990>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = True
closed_date = <Date 2018-06-20.10:03:25.154>
closer = 'vstinner'
components = ['Tests']
creation = <Date 2018-06-03.11:33:27.319>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 33746
keywords = ['patch']
message_count = 6.0
messages = ['318533', '320040', '320041', '320042', '320047', '320048']
nosy_count = 6.0
nosy_names = ['vstinner', 'rbcollins', 'ezio.melotti', 'michael.foord', 'serhiy.storchaka', 'miss-islington']
pr_nums = ['7389', '7799', '7820', '7821']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue33746'
versions = ['Python 3.6', 'Python 3.7', 'Python 3.8']

[serhiy-storchaka]

$ ./python -m test -m testRegisterResult test_unittest
Run tests sequentially
0:00:00 load avg: 4.42 [1/1] test_unittest

== Tests result: SUCCESS ==

1 test OK.

Total duration: 98 ms
Tests result: SUCCESS

$ ./python -m test -v -m testRegisterResult test_unittest
== CPython 3.8.0a0 (heads/master-dirty:a801cf164b, Jun 3 2018, 12:58:45) [GCC 7.3.0]
== Linux-4.15.0-22-generic-x86_64-with-glibc2.9 little-endian
== cwd: /home/serhiy/py/cpython/build/test_python_3610
== CPU count: 8
== encodings: locale=UTF-8, FS=utf-8
Run tests sequentially
0:00:00 load avg: 4.17 [1/1] test_unittest
testRegisterResult (unittest.test.test_break.TestBreak) ... FAIL
testRegisterResult (unittest.test.test_break.TestBreakDefaultIntHandler) ... ok
testRegisterResult (unittest.test.test_break.TestBreakSignalDefault) ... ok
testRegisterResult (unittest.test.test_break.TestBreakSignalIgnored) ... ok

======================================================================
FAIL: testRegisterResult (unittest.test.test_break.TestBreak)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/unittest/test/test_break.py", line 48, in testRegisterResult
    self.fail("odd object in result set")
AssertionError: odd object in result set

---

Ran 4 tests in 0.002s

FAILED (failures=1)
test test_unittest failed
test_unittest failed

== Tests result: FAILURE ==

1 test failed:
test_unittest

Total duration: 138 ms
Tests result: FAILURE

The test is passed in 2.7 and 3.4. It fails only starting from 3.5.

[vstinner]

New changeset fd8fbce by Victor Stinner in branch 'master':
bpo-33746: Fix test_unittest.testRegisterResult() in verbose mode (GH-7799)
fd8fbce

[miss-islington]

New changeset 232add0 by Miss Islington (bot) in branch '3.7':
bpo-33746: Fix test_unittest.testRegisterResult() in verbose mode (GH-7799)
232add0

[miss-islington]

New changeset 2b75742 by Miss Islington (bot) in branch '3.6':
bpo-33746: Fix test_unittest.testRegisterResult() in verbose mode (GH-7799)
2b75742

[vstinner]

I tested manually: "./python -m test -v test_unittest" pass in 2.7, 3.6, 3.7 and master.

[serhiy-storchaka]

Thanks Victor!