Mutatest
7.2#1 in mutation testing toolsFree planFree planAPILinuxmacOSSelf-hosted
VisitMutatest vs MutPy
What both publish
| Fact | Mutatest | MutPy |
|---|---|---|
| Integrations | The documentation describes running test commands such as pytest and using coverage data to filter mutation targets. | The documented test runner integrations are unittest and experimental pytest; no other integrations are listed. |
| Mutation method | It uses Python’s Abstract Syntax Tree grammar to produce valid mutants and changes local __pycache__ files instead of source files. | It applies mutations at the abstract syntax tree level. |
| Purpose | Mutatest is a diagnostic command-line tool for assessing test coverage by checking whether tests detect small code mutations. | MutPy is a mutation testing tool for Python source code that evaluates the quality of software tests. |
Mutatest plans
- MutatestFree
MutPy plans
- MutPyFree
Pick Mutatest if…
Mutatest suits Python developers who want to check whether their tests detect code changes, especially when they need mutation thresholds in automated runs. It is intended for diagnostic use rather than repeated runs across an entire codebase on every commit.
Pick MutPy if…
MutPy suits developers and software testers who want to assess Python tests through mutation testing. It is especially relevant to projects using unittest; pytest users should account for its experimental status.