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gerard-labsgerard-labs/superpowers-api-platform/skills/tdd-with-pest/SKILL.md

tdd-with-pest

Skill2 starsChanged 6 months agoMITView on GitHub

Apply RED-GREEN-REFACTOR TDD with Pest PHP on a Symfony project — `test()` / `it()` blocks, expectation pipeline (`expect($x)->toBe()->toBeInstanceOf()`), `beforeEach()` / `afterEach()`, datasets via `with(...)`, higher-order tests, Pest plugins (Faker, Stress, Snapshot), parallel runner. Use Foundry factories for fixtures, DAMA Doctrine Test Bundle for transaction-rollback. Trigger on "write a Pest test", "TDD this feature", or "convert PHPUnit to Pest". For PHPUnit-syntax preference, see `gerard:tdd-with-phpunit`.

The file

We split this skill into the rules it gives an agent

5 rules. About 0 are common, 5 are distinctive, and 0 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈5

    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:

    Write failing test for target behavior and one boundary case.

    line 21
  2. Distinctive:

    Prefer deterministic fixtures/builders.

    line 27
  3. Distinctive:

    Keep tests isolated and stable in CI.

    line 29
  4. Distinctive:

    Use this file for execution posture and risk controls.

    line 32
  5. Distinctive:

    Test files changed and executed commands.

    line 37

≈ “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

Tdd With Pest (Symfony)

Use when

  • Building regression-safe behavior with TDD/functional/e2e tests.
  • Converting bug reports into executable failing tests.

Default workflow

  1. Write failing test for target behavior and one boundary case.
  2. Implement minimal code to pass.
  3. Refactor while preserving green suite.
  4. Broaden coverage for invalid/unauthorized/not-found paths.

Guardrails

  • Prefer deterministic fixtures/builders.
  • Assert observable behavior, not internal implementation.
  • Keep tests isolated and stable in CI.

Progressive disclosure

  • Use this file for execution posture and risk controls.
  • Open references when deep implementation details are needed.

Output contract

  • RED/GREEN/REFACTOR trace.
  • Test files changed and executed commands.
  • Coverage and confidence notes.

References

  • reference.md
  • docs/complexity-tiers.md

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