tomevault-io TDD Protocol
Core Principle
- TDD First: Test-Driven Development is the default approach.
- Goal: Prioritize behavioral correctness and regression safety over formal compliance.
Workflow
- Requirement Synthesis: Briefly summarize the requirements before coding.
- Test Specification: Write tests describing the expected behavior (unit, integration, or E2E).
- Implementation: Update the logic only to the extent required to satisfy those tests.
Mandatory Rules
- No Test, No Code: Every new feature or bugfix must include relevant test coverage.
- Black-Box Testing: Validate observable behavior, not internal implementation details.
- Merge Requirement: Tests are mandatory for completion unless an explicit exception is documented.
Preferred Practice
- Red-Green-Refactor: Start with a failing test whenever practical.
- Right-Sized Testing:
- Unit Tests: For pure logic and isolated functions.
- Integration Tests: For system interactions and API boundaries.
- E2E Tests: For critical user journeys and "happy paths."
Explicit Exceptions (Must be justified)
- Pure refactoring (where behavior remains identical).
- Exploratory spikes or R&D.
- UI/Styling iterations where unit tests offer diminishing returns.
- Complex integrations where mocking is counterproductive.
- Emergency hotfixes (requires a follow-up ticket for test debt).
Quality Bar
- Readability: Tests must serve as documentation for the feature.
- Reliability: Tests must be deterministic (no flakes) and decoupled from implementation internals.
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