python / python/cpython

Run Python's slowest tests in the first 3/4 of tests when using -r

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3.7 (EOL) tests
Dominant language
Python
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Description

BPO 30498
Nosy @brettcannon, @terryjreedy, @serhiy-storchaka

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 2017-05-28.19:41:20.833>
labels = ['3.7', 'tests']
title = "Run Python's slowest tests in the first 3/4 of tests when using -r"
updated_at = <Date 2017-06-03.18:25:10.238>
user = 'https://github.com/brettcannon'

bugs.python.org fields:

activity = <Date 2017-06-03.18:25:10.238>
actor = 'brett.cannon'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Tests']
creation = <Date 2017-05-28.19:41:20.833>
creator = 'brett.cannon'
dependencies = []
files = []
hgrepos = []
issue_num = 30498
keywords = []
message_count = 5.0
messages = ['294658', '294660', '295061', '295090', '295095']
nosy_count = 3.0
nosy_names = ['brett.cannon', 'terry.reedy', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue30498'
versions = ['Python 3.7']

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  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 by locating the test runner entry point that handles the -r option and reviewing the tests-related logic around ordering. Confirm how test durations are tracked or selected, then verify that the slowest tests run within the first three-quarters of the test run when -r is used.

Written by the indexing model from the issue text.

Assessment

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

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