Decimal test and benchmark are broken

[serhiy-storchaka]

BPO	45332
Nosy	@mdickinson, @vstinner, @serhiy-storchaka, @corona10, @miss-islington
PRs	bpo-45332: Fix broken Decimal test and benchmark #28680 [3.10] bpo-45332: Fix broken Decimal test and benchmark (GH-28680) #28681

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

Show more details

GitHub fields:

assignee = None
closed_at = <Date 2021-10-01.14:18:19.104>
created_at = <Date 2021-09-30.15:26:12.072>
labels = ['type-bug', '3.10', '3.11']
title = 'Decimal test and benchmark are broken'
updated_at = <Date 2021-10-01.14:18:19.103>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2021-10-01.14:18:19.103>
actor = 'corona10'
assignee = 'none'
closed = True
closed_date = <Date 2021-10-01.14:18:19.104>
closer = 'corona10'
components = ['Demos and Tools']
creation = <Date 2021-09-30.15:26:12.072>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 45332
keywords = ['patch']
message_count = 4.0
messages = ['402964', '403015', '403017', '403018']
nosy_count = 5.0
nosy_names = ['mark.dickinson', 'vstinner', 'serhiy.storchaka', 'corona10', 'miss-islington']
pr_nums = ['28680', '28681']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue45332'
versions = ['Python 3.10', 'Python 3.11']

[serhiy-storchaka]

The test and the benchmark for the decimal module are broken in 3.10+.

$ ./python Modules/_decimal/tests/deccheck.py
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Modules/_decimal/tests/deccheck.py", line 50, in <module>
    from test.support import import_fresh_module
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ImportError: cannot import name 'import_fresh_module' from 'test.support' (/home/serhiy/py/cpython/Lib/test/support/__init__.py)

$ ./python Modules/_decimal/tests/bench.py
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Modules/_decimal/tests/bench.py", line 11, in <module>
    from test.support import import_fresh_module
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ImportError: cannot import name 'import_fresh_module' from 'test.support' (/home/serhiy/py/cpython/Lib/test/support/__init__.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Modules/_decimal/tests/bench.py", line 13, in <module>
    from test.test_support import import_fresh_module
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ImportError: cannot import name 'import_fresh_module' from 'test.test_support' (/home/serhiy/py/cpython/Lib/test/test_support.py)

Modules/_decimal/tests/bench.py

[corona10]

New changeset 9eed75f by Dong-hee Na in branch 'main':
bpo-45332: Fix broken Decimal test and benchmark (GH-28680)
9eed75f

[miss-islington]

New changeset 282992b by Miss Islington (bot) in branch '3.10':
bpo-45332: Fix broken Decimal test and benchmark (GH-28680)
282992b

[corona10]

Now the code is fixed.
Thanks Serhiy for the report and review :)