Rubric: L-TESTING

Lens: L-TESTING ยท Density: D-MED ยท Axes: TST, REL

Criteria

  1. Critical paths have tests that would fail if broken.
  2. Test pyramid sanity (too many E2E / too few unit).
  3. Flake signals; hidden sleeps; order dependence.
  4. Determinism (time, network, filesystem isolation).
  5. Coverage as signal, not a vanity gate โ€” look for untested packages that own risk.

Citations

Work Point
Kent Beck โ€” TDD by Example Characterization of fast feedback (not dogma that all code is TDD)
Google Testing Blog / SWE Book testing chapters Test sizes; hermetic tests
ISO/IEC 25010 Testability under maintainability

Pros / cons

Pros Cons
Focuses on risk coverage not % Hard without running tests โ€” reading tests still yields E2
Flake detection prevents false REL confidence Coverage tools may be missing โ€” tooling gap

Execution policy

Prefer static reading. Run only narrow tests when claim verification needs it; record command + timeout.