Testing Anti-Patterns

关于

The Testing Anti-Patterns skill serves as a quality gate for developers using Claude Code, ensuring that test suites remain maintainable and meaningful. It enforces 'Iron Laws' of testing, such as verifying real behavior instead of mock existence, keeping production classes clean of test-only methods, and prioritizing user-visible outcomes over internal component state. By guiding the AI to avoid common pitfalls like partial mocks and incomplete dependency mapping, this skill helps teams build resilient test suites that survive refactoring and provide genuine confidence in software stability.

主要功能

• Prioritizes accessible, user-centric queries over internal implementation details.
• Blocks the pollution of production classes with test-specific lifecycle methods.
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• Ensures mock data structures are complete and mirror real-world API schemas.
• Prevents assertions on mock existence to focus on real component behavior.
• Mandates accessibility (a11y) testing and full UI state coverage.

使用场景

• Audit and cleanup of legacy production codebases containing test-only helper methods.
• Standardizing testing protocols across a team to ensure consistent mock behavior and dependency handling.
• Refactoring frontend components from state-based to context-based logic without breaking tests.