Agent skill
Spring Boot Testing
Standards for unit, integration, and slice testing in Spring Boot 3
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npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/testing-fierzone-agent-skills-standar
Metadata
Additional technical details for this skill
- labels
-
spring-boot testing junit testcontainers
- triggers
-
{ "files": [ "**/*Test.java" ], "keywords": [ "webmvctest", "datajpatest", "testcontainers", "assertj" ] }
SKILL.md
Spring Boot Testing Standards
Priority: P0
Implementation Guidelines
Test Strategy
- Unit First: Prioritize pure unit tests (Mockito) over Context tests.
- Slice Testing: Use
@WebMvcTest(Controllers) and@DataJpaTest(Repos) to reduce build time. - Integration: Use
@SpringBootTestonly for critical end-to-end flows.
Best Practices
- Real Infrastructure: Use Testcontainers for DB/Queues. Avoid H2/Embedded.
- Assertions: Use AssertJ (
assertThat) over JUnit assertions. - Isolation: Use
@MockBeanfor downstream dependencies in Slice Tests.
Anti-Patterns
- Context Reloading:
**No Dirty Contexts**: Avoid @MockBean in base classes. - External Calls:
**No network I/O**: Use WireMock. - System Out:
**No System.out**: Use assertions.
References
- Implementation Examples
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