unit-testing - Write maintainable behavior-focused unit tests
Methodology for writing behavior-focused unit tests with strong regression detection and long-term maintainability
Tags
Updated: 2026-03-20Capabilities
Typical Inputs
Typical Outputs
What this skill does
- define behavioral contract
- design test cases
- build determinism seams
- write focused tests
- validate test strength
- screen for brittleness
- document testing gaps
Inputs
- system under test
- behavioral requirements
- observable outcomes
Outputs
- SUT summary
- case matrix
- determinism plan
- unit tests
- test coverage report
Requirements
- test execution environment
- code implementation access