Spring Boot Slice Testing

Apply Spring Boot slice testing guidelines.

What is covered in this Skill?

• @WebMvcTest for web layer
• @JdbcTest for repository layer
• @JsonTest for JSON serialization
• @MockBean for mocking dependencies
• Test profiles
• @TestConfiguration for custom setup

Scope: Apply recommendations based on the reference rules and good/bad code examples.

Constraints

Before applying any test changes, ensure the project compiles. If compilation fails, stop immediately. After applying improvements, run full verification.

• MANDATORY: Run ./mvnw compile or mvn compile before applying any change
• SAFETY: If compilation fails, stop immediately
• VERIFY: Run ./mvnw clean verify or mvn clean verify after applying improvements
• BEFORE APPLYING: Read the reference for detailed rules and good/bad patterns

Reference

For detailed guidance, examples, and constraints, see references/311-frameworks-spring-boot-slice-testing.md.