Backend Test-Driven Development
Guides the development of NestJS backends using a strict, iterative Test-Driven Development (TDD) methodology.
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Key features
- Enforces a strict Red-Green-Refactor TDD cycle
- Complements Clean Architecture and Domain-Driven Design (DDD) patterns
- Guides the use of Dependency Inversion and interface-based design for testability
- Promotes a 'Tests First' approach where tests are written before implementation
- Integrates quality metrics like test coverage into the development loop
Use cases
- Building a Minimum Viable Product (MVP) with mandatory quality gates and high test coverage
- Refactoring critical backend services to improve stability and maintainability
- Developing new features where strict quality requirements demand a tests-first approach
FAQ
When should I use this skill?
Activate this skill when building critical backend services, refactoring complex code, or starting a new NestJS project that requires high test coverage (e.g., ≥80%). It is ideal for projects where quality, testability, and maintainability are top priorities.
What does the Backend Test-Driven Development skill do?
This skill transforms Claude into a disciplined TDD practitioner for NestJS projects. It enforces a strict 'tests-first' methodology, guiding the development process through the Red-Green-Refactor cycle to create highly testable and maintainable code.
What core capabilities does it provide?
The skill provides a structured 7-step process for TDD, guidance on defining interfaces before implementation (Dependency Inversion), strict enforcement of the Red-Green-Refactor cycle, and continuous integration of quality metrics. It's designed to complement Clean Architecture and DDD patterns.
How does this skill improve my workflow?
It improves your workflow by forcing a design-first approach through tests. This leads to better architecture, encourages Dependency Inversion for decoupled components, and integrates quality metrics like test coverage directly into the development loop, catching bugs earlier.
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