mutator vs MutPy
| mutator | MutPy | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | — |
| Free plan | Yes | — |
| Supported languages | R | Python 3.3+ |
| Test frameworks | testthat; tinytest; generic installed-tests fallback | unittest; pytest (experimental) |
| Parallel execution | Yes | — |
| Surviving mutant reports | Yes | Yes |
| Mutation quality gate | Yes | — |
| Mutation operators | Arithmetic (+/- and */), comparison (==/!=, </>, <=/>=), logical (&/|, &&/||, ! and condition negation), assignment and call values, scalar constants, return values, statement deletion | AOD, AOR, ASR, BCR, COD, COI, CRP, DDL, EHD, EXS, IHD, IOD, IOP, LCR, LOD, LOR, ROR, SCD, SCI, SIR; experimental: CDI, OIL, RIL, SDI, SDL, SVD, ZIL |
Both are listed in Best Mutation Testing Tools. On Samsung Mobile US Press, mutator scores higher on our published basis.