Caught by the Fuzz! - A Minimalistic Fuzz-Test Runner
Overview
A simple runner for fuzz-testing functions in an R package's public interface. Fuzz testing helps identify functions lacking sufficient argument validation, and uncovers problematic inputs that, while valid by function signature, may cause issues within the function body.
New features
- Add the "time" class of inputs to
test_inputs(). - Add the
groupargument to print() to control how the results should be grouped when printing: either by "input" (default) or by "function" (#10). - Add support for
show = "none"inprint()to output only the summary statistics (#13).
Updates
- Add more inputs in
test_inputs(), bringing the total number of inputs from 70 to 85. - Use the full terminal size to display the progress report, so that the list of arguments currently tested is shown as much as possible (#11).
- Fix a crash in the strange case when
conditionMessage()produces more than one error message (#12).
Show all changes in 0.7.0Hide the rest of the changes in 0.7.0
- Return multiple warnings as a concatenated string, instead of returning only the last one (#14).
From NEWS.md in the release
Install
Health
- OK13 OK2026-08-05
- NOTE12 OK, 1 NOTE2026-08-01
- OK14 OK2026-03-10
Documentation
- Help pages
- 9includes a package overview page
- Examples that run
- 100%8 run in a plain check
- Exported functions with examples
- 100%
- Documented parameters
- 100%
- Return-value docs
- 100%
- Help pages citing references
- 0%
Downloads
Repository
- PRs merged (all time)
- 0%
- Median days to close, 50 most recently updated closed issues
- 1
- Median days to close, 50 most recently updated closed PRs
- 0
Stars over time
Forks over time
Releases over time
Issues over time
Commits over time
6 development-tooling and community-health practices detected across 2 families in the upstream repository
Checks run against github.com/mcol/caught-by-the-fuzz on 2026-10-18.
The R CMD check workflow runs on Linux and Windows, and on R-devel
GitHub Pages site last deployed 2026-07-29 · The repository has a site deploy workflow
pkgdown site last built 2026-07-29
Dependencies
Code & Tests
People & History
Pick two releases to compare their code metrics.
- 0.7.0Latest
- RR 4.6.0 released · 2026-04-24
- 0.6.0
- 0.5.0
- 0.4.02025-08-19
- RR 4.5.0 released · 2025-04-11
Package metadata
- First published
- 2025-08-19
- Total releases
- 4 / 1 yrs
- License
- GPL-3 OSI
- Download size
- 52 KB
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("CBTF")This package has no citation file, so citation() returns this entry built from DESCRIPTION.
Cite the R Observatory
For a number measured here: a download total, a coverage figure, an archival date.
From data release v2026-10-22, which the citation names so these numbers can be found later. More on citing and the projects behind them.