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GiammeGiamme/linear-spanks/skills/extras/exec-testing/SKILL.md

exec-testing

Skill1 starsChanged 28 days agoMITView on GitHub

Execution skill loaded when writing tests or implementing code that requires test coverage.

The file

We split this skill into the rules it gives an agent

3 rules. About 0 are common, 3 are distinctive, and 0 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈3

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Edge Cases: Do not just test the "happy path".

    line 13
  2. Distinctive:

    Mocking: Do not overmock. Mocking internal implementation details makes tests brittle.

    line 14
  3. Distinctive:

    Regression: If fixing a bug, write a failing test that reproduces the bug *before* writing the fix.

    line 15

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Testing Execution Strategy

Choose checks proportional to the behavior changed and follow required repository checks. Reuse the existing verification plan when it still applies. Do not add tests for reversible, low-impact edits or tests that merely restate the implementation. For behavior changes, follow these guidelines:

  1. Existing Style: Identify whether the project uses TDD, BDD, or standard unit tests. Match the syntax (e.g., Jest, Mocha, Vitest).
  2. Level of Testing: Focus on unit tests for pure logic and integration tests for boundaries (e.g., database, external APIs).
  3. Edge Cases: Do not just test the "happy path". Test null inputs, boundary conditions, and unexpected types.
  4. Mocking: Do not overmock. Mocking internal implementation details makes tests brittle. Mock external boundaries only.
  5. Regression: If fixing a bug, write a failing test that reproduces the bug before writing the fix.

During repair, rerun failed checks and checks affected by the edit. Run required final checks against the actual candidate before completion. Do not repeat passing checks on unchanged inputs unless new evidence, environment/toolchain changes, or a repository requirement makes repetition necessary.

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