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mutation_test

v1.8.1 · released 1 month ago · BSD-3-CLAUSE License

First published 4 years ago.

A command line application to measure the quality of your test cases by mutating your code and checking if your tests detect the changes.

View on pub.dev View source
#41 in Testing #1507 overall windowslinuxmacos
Downloads / day
1,399
as of 2026-10-19
GitHub stars
26
★ refreshed weekly
Likes
25
on pub.dev
Pub points
160 / 160
perfect score
2026-09-19 2026-10-19

Repository health

Last commit
1 month ago
Issue response
Maintainer replies within ~1 week (median over 5 closed issues (low confidence))
Commit activity
Open issues
3
Open PRs
0
Contributors
3 (top contributor 98%)
CI
GitHub Actions
License (repo)

Last refreshed 24 days ago.

License explained · BSD-3-Clause

BSD 3-Clause "New" License

Use freely, even commercially. Keep the notice. Don't use the author's name to endorse derived products without permission.

A permissive license similar to the BSD 2-Clause License, but with a 3rd clause that prohibits others from using the name of the copyright holder or its contributors to promote derived products without written consent.

You can

  • Commercial use
  • Distribution
  • Modification
  • Private use

You must

  • Include the license and copyright notice

The license does not

  • No liability
  • No warranty

Plain-English summary, not legal advice. Full text on SPDX or choosealicense.com. Summaries adapted from choosealicense.com (a GitHub project, MIT-licensed).

Commit activity, past 52 weeks

mutation_test

23 commits in the past year
Slowing -37% vs 9 months ago
5 3 0 52w ago36w ago18w agothis week
Weekly average
0.4 commits
Busiest week
4 commits, 45 weeks ago
Active weeks
10 of 52 (19%)
Longest quiet stretch
15 weeks with no commits

Weekly commits to the default branch on GitHub. Source: GET /stats/participation. Refreshed weekly. Excludes commits to other branches.

How mutation_test compares in Testing

Top of the Testing leaderboard, with mutation_test highlighted.

Rank Package Downloads / day Stars Likes
#1
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474.7K ★ 536 24
#2
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#3
test
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440.3K ★ 536 627
#4
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414.5K ★ 536 68
#41
mutation_test
 1.4K ★ 26 25