Lib/test/test_dataclasses.py failed when ran as a script

[serhiy-storchaka]

BPO	34184
Nosy	@ericvsmith, @serhiy-storchaka
PRs	bpo-34184: Fix running Lib/test/test_dataclasses.py as a script. #8382 [3.7] bpo-34184: Fix running Lib/test/test_dataclasses.py as a script. (GH-8382) #8421

^{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 = 'https://github.com/serhiy-storchaka'
closed_at = <Date 2018-07-23.22:05:18.525>
created_at = <Date 2018-07-21.17:47:26.165>
labels = ['3.7', '3.8', 'type-bug', 'tests']
title = 'Lib/test/test_dataclasses.py failed when ran as a script'
updated_at = <Date 2018-07-23.22:05:18.524>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2018-07-23.22:05:18.524>
actor = 'serhiy.storchaka'
assignee = 'serhiy.storchaka'
closed = True
closed_date = <Date 2018-07-23.22:05:18.525>
closer = 'serhiy.storchaka'
components = ['Tests']
creation = <Date 2018-07-21.17:47:26.165>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 34184
keywords = ['patch']
message_count = 3.0
messages = ['322113', '322254', '322259']
nosy_count = 2.0
nosy_names = ['eric.smith', 'serhiy.storchaka']
pr_nums = ['8382', '8421']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue34184'
versions = ['Python 3.7', 'Python 3.8']

[serhiy-storchaka]

$ ./python Lib/test/test_dataclasses.py
...

======================================================================
ERROR: test_classvar_module_level_import (main.TestStringAnnotations)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Lib/test/test_dataclasses.py", line 2716, in test_classvar_module_level_import
    from . import dataclass_module_1
ImportError: cannot import name 'dataclass_module_1' from '__main__' (Lib/test/test_dataclasses.py)

======================================================================
FAIL: test_no_repr (main.TestRepr)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Lib/test/test_dataclasses.py", line 1970, in test_no_repr
    repr(C(3)))
AssertionError: 'test_dataclasses.TestRepr.test_no_repr.<locals>.C object at' not found in '<__main__.TestRepr.test_no_repr.<locals>.C object at 0x7f11745df2c8>'

---

[serhiy-storchaka]

New changeset 3fe5ccc by Serhiy Storchaka in branch 'master':
bpo-34184: Fix running Lib/test/test_dataclasses.py as a script. (GH-8382)
3fe5ccc

[serhiy-storchaka]

New changeset 6353382 by Serhiy Storchaka (Miss Islington (bot)) in branch '3.7':
bpo-34184: Fix running Lib/test/test_dataclasses.py as a script. (GH-8382) (GH-8421)
6353382