Doctest capture only AssertionError but not printed text

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
python
Domain
testing-qa

Research direction

Start with the reproducing example in doctest_bug.py and run it to observe the difference between the AssertionError and printed text. Then trace the doctest library behavior responsible for capturing failures. Done means the reported output includes the relevant printed text as well as the assertion failure, with regression coverage for the example.

Written by the indexing model from the issue text.

Description

stdlib type-feature
BPO 21183
Nosy @tim-one, @stevendaprano, @osantana
Files
  • doctest_bug.py: Example that reproduces error
  • 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 2014-04-09.02:13:50.991>
    labels = ['type-feature', 'library']
    title = 'Doctest capture only AssertionError but not printed text'
    updated_at = <Date 2014-04-09.03:18:12.649>
    user = 'https://github.com/osantana'
    

    bugs.python.org fields:

    activity = <Date 2014-04-09.03:18:12.649>
    actor = 'steven.daprano'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2014-04-09.02:13:50.991>
    creator = 'osantana'
    dependencies = []
    files = ['34771']
    hgrepos = []
    issue_num = 21183
    keywords = []
    message_count = 5.0
    messages = ['215796', '215797', '215798', '215799', '215800']
    nosy_count = 3.0
    nosy_names = ['tim.peters', 'steven.daprano', 'osantana']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = 'needs patch'
    status = 'open'
    superseder = None
    type = 'enhancement'
    url = 'https://bugs.python.org/issue21183'
    versions = ['Python 3.5']
    

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