Classification tree nwise
Skill jovd83/test-design-orchestrator/classification-tree-nwise
Transforms requirements and business rules into structured software test artifacts using the right black-box design technique.
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Use this skill when Codex needs to model interacting parameters and generate reduced pairwise or n-wise combinations instead of an impractical full Cartesian set.
SKILL.md
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Classification Tree and N-Wise Testing
Read First
./references/classification-tree-nwise.md./references/test-design-shared-conventions.md./assets/templates/minimum-criterion-table.j2./assets/templates/pairwise-table.j2./assets/templates/threewise-table.j2./assets/templates/nwise-table.j2
Workflow
- List classifications and allowed values.
- Capture constraints and impossible combinations before generating data.
- Default to pairwise coverage unless the user asks for a different interaction depth.
- Escalate to 3-wise or n-wise only when the risk justifies the extra volume.
- Preserve traceability from each generated combination back to the parameter values it covers.
Required Output
- classification inventory
- explicit constraint list
- selected interaction depth and rationale
- generated combination set
- note on remaining uncovered higher-order interactions
Guardrails
- Do not emit a full Cartesian product unless the user explicitly wants exhaustive coverage or the space is already small.
- Remove impossible combinations before counting coverage.
- If one parameter dominates the risk, say so instead of pretending all dimensions matter equally.