Spring Boot TDD Workflow TDD guidance for Spring Boot services with 80%+ coverage (unit + integration). When to Use - New features or endpoints - Bug fixes or refactors - Adding data access logic or security rules Workflow 1) Write tests first (they should fail) 2) Implement minimal code to pass 3) Refactor with tests green 4) Enforce coverage (JaCoCo) Unit Tests (JUnit 5 + Mockito) Patterns: - Arrange-Act-Assert - Avoid partial mocks; prefer explicit stubbing - Use for variants Web Layer Tests (MockMvc) Integration Tests (SpringBootTest) Persistence Tests (DataJpaTest) Testcontainers - Use r…