Spring Boot Testing

Guide to testing strategies and examples for Spring Boot applications.

When to Use This Skill

• Write unit tests for services and components (JUnit 5 + Mockito)
• Write controller tests: unit (standalone MockMVC) or integration (@WebMvcTest, @SpringBootTest)
• Test JPA repositories with @DataJpaTest
• Use Testcontainers for real database integration tests
• Implement Consumer Driven Contracts with Spring Cloud Contract
• Diagnose or simulate thread pool starvation
• Benchmark performance with JMH

Reference Guide