Mutatest
7.2#1 in mutation testing toolsFree planFree planAPILinuxmacOSSelf-hosted
VisitMutatest vs Muter
What both publish
| Fact | Mutatest | Muter |
|---|---|---|
| Integrations | The documentation describes running test commands such as pytest and using coverage data to filter mutation targets. | The README documents Xcode integration, Homebrew installation, and configuration support for Xcode projects and workspaces and Swift Package Manager. |
| Mutation operators | Supported operators include arithmetic, bitwise, Boolean, comparison, membership, identity, conditional and index mutations. | The documented operators are RelationalOperatorReplacement, RemoveSideEffects, ChangeLogicalConnector, and SwapTernary. |
| Purpose | Mutatest is a diagnostic command-line tool for assessing test coverage by checking whether tests detect small code mutations. | Muter is a mutation testing utility for assessing the quality of Swift test suites. |
Mutatest plans
- MutatestFree
Muter plans
- Open-source MuterFree
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 Muter if…
Muter suits Swift developers using Xcode test targets or Swift Package Manager tests who want to assess how their test suite responds to code changes. The utility runs on macOS 10.15 or later.