Spring Boot Test Patterns

Gives you battle-tested patterns for Spring Boot testing across the full stack: unit tests with Mockito, slice tests with @DataJpaTest and @WebMvcTest, and integration tests with Testcontainers. The real value is in the performance targets (unit under 50ms, slice under 100ms) and the opinionated guidance on when to use each approach. Covers the newer @ServiceConnection pattern for Spring Boot 3.5+ which cleans up container wiring considerably. The best practice section is blunt about avoiding @DirtiesContext and being strategic with @SpringBootTest since full context loading kills test suite speed. If you're tired of slow tests or confused about which annotation to reach for, this gives you a clear decision tree.

Install to Claude Code

npx -y skills add giuseppe-trisciuoglio/developer-kit --skill spring-boot-test-patterns --agent claude-code