python / python/cpython

unittest.mock.create_autospec(Obj, instance=True) has self keyword in _spec_signature if Obj implements __call__

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Description

BPO 41915
Nosy @tirkarthi, @CendioOssman

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 = None
created_at = <Date 2020-10-03.01:23:47.938>
labels = ['library']
title = 'unittest.mock.create_autospec(Obj, instance=True) has self keyword in _spec_signature if Obj implements __call__'
updated_at = <Date 2020-12-04.08:06:53.012>
user = 'https://bugs.python.org/ettang'

bugs.python.org fields:

activity = <Date 2020-12-04.08:06:53.012>
actor = 'CendioOssman'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-10-03.01:23:47.938>
creator = 'ettang'
dependencies = []
files = []
hgrepos = []
issue_num = 41915
keywords = []
message_count = 2.0
messages = ['377846', '382470']
nosy_count = 3.0
nosy_names = ['xtreak', 'CendioOssman', 'ettang']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue41915'
versions = ['Python 3.6']

Contributor guide

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start at unittest.mock.create_autospec with an object implementing call and instance=True, then reproduce the reported _spec_signature behavior. Compare the generated signature with the expected instance signature and identify the relevant tests in the unittest.mock test suite. Done means the self keyword is no longer present in _spec_signature for this case, with regression coverage.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
testing-qa
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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