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CRAN: Package muttest

muttest: Mutation Testing

Measure quality of your tests. 'muttest' introduces small changes (mutations) to your code and runs your tests to check if they catch the changes. If they do, your tests are good. If not, your assertions are not specific enough. 'muttest' gives you percent score of how often your tests catch the changes.

Version: 0.2.0
Depends: R (≥ 4.1.0)
Imports: checkmate, cli, fs, mirai, R6, rlang, testthat, treesitter, treesitter.r, withr
Suggests: box, covr, cucumber (≥ 2.1.0), ggplot2, knitr, purrr, rmarkdown, shiny, stringr
Published: 2026-05-14
DOI: 10.32614/CRAN.package.muttest
Author: Jakub Sobolewski [aut, cre]
Maintainer: Jakub Sobolewski <jakupsob at gmail.com>
License: MIT + file LICENSE
URL: https://jakubsobolewski.com/muttest/
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: muttest results

Documentation:

Reference manual: muttest.html , muttest.pdf
Vignettes: Running muttest in CI (source, R code)
Getting Started with muttest (source, R code)
Reading mutation results and strengthening tests (source, R code)
What is Mutation Testing and Why Does it Matter? (source, R code)
Mutator Reference and Choosing the Right Mutators (source, R code)

Downloads:

Package source: muttest_0.2.0.tar.gz
Windows binaries: r-devel: muttest_0.2.0.zip, r-release: muttest_0.2.0.zip, r-oldrel: muttest_0.2.0.zip
macOS binaries: r-release (arm64): muttest_0.2.0.tgz, r-oldrel (arm64): muttest_0.2.0.tgz, r-release (x86_64): muttest_0.2.0.tgz, r-oldrel (x86_64): muttest_0.2.0.tgz
Old sources: muttest archive

Reverse dependencies:

Reverse suggests: cucumber

Linking:

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