spring-boot-testing
Installation
SKILL.md
Spring Boot 4 Testing
Comprehensive testing patterns including slice tests, Testcontainers, security testing, and Modulith Scenario API.
Critical Breaking Change
| Old (Boot 3.x) | New (Boot 4.x) | Notes |
|---|---|---|
@MockBean |
@MockitoBean |
Required migration |
@SpyBean |
@MockitoSpyBean |
Required migration |
MockMvc (procedural) |
MockMvcTester (fluent) |
New AssertJ-style API |
Implicit @AutoConfigureMockMvc |
Explicit annotation required | Add to @SpringBootTest |
MockMvcTester (Spring Boot 4)
New fluent, AssertJ-style API for controller testing: