unittest assertSequenceEqual can lead to Difflib.compare() crashing on mostly different sequences

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Evaluación

Dificultad
3/5
Tiempo estimado
1-2 días
Aptitud para principiantes
38/100
Tipo de issue
Error
Claridad
Bastante claro
Estado de actividad
Estancado
Stack tecnológico
python
Área
testing-qa

Línea de trabajo

Start by reproducing the failure described in diff_bug34.py through unittest.assertSequenceEqual and inspect the related difflib.compare() behavior. Identify the existing unittest and difflib tests covering sequence comparison, then add coverage for the mostly different sequences so the crash is prevented and the regression is verified.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

3.7 (EOL) 3.8 (EOL) stdlib type-bug
BPO 21253
Nosy @tim-one, @terryjreedy, @gpshead, @bitdancer, @jftuga, @nnja, @ilevkivskyi
Files
  • diff_bug34.py
    		•

    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 2014-04-16.15:54:46.162>
labels = ['3.7', '3.8', 'type-bug', 'library']
title = 'unittest assertSequenceEqual can lead to Difflib.compare() crashing on mostly different sequences'
updated_at = <Date 2019-03-08.15:56:27.847>
user = 'https://github.com/nnja'

    bugs.python.org fields:

    activity = <Date 2019-03-08.15:56:27.847>
actor = 'Ernesto Eduardo Medina N\xc3\xba\xc3\xb1ez'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2014-04-16.15:54:46.162>
creator = 'nnja'
dependencies = []
files = ['34911']
hgrepos = []
issue_num = 21253
keywords = []
message_count = 7.0
messages = ['216479', '216809', '216816', '216830', '216835', '248905', '337498']
nosy_count = 8.0
nosy_names = ['tim.peters', 'terry.reedy', 'gregory.p.smith', 'r.david.murray', 'jftuga', 'nnja', 'levkivskyi', 'Ernesto Eduardo Medina N\xc3\xba\xc3\xb1ez']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue21253'
versions = ['Python 2.7', 'Python 3.6', 'Python 3.7', 'Python 3.8']

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