domains / families / software-engineering / testing-patterns

testing-patterns

authentic

Jest testing patterns, factory functions, mocking strategies, and TDD workflow. Use when writing unit tests, creating test factories, or following TDD red-green-refactor cycle.

When to use

• Use when writing Jest unit tests, test factories and mocks, or diagnosing a failing test through a red-green-refactor cycle.

When not to use

• Use this skill only when the task clearly matches the scope described above.
• Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
• Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

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