Spring Boot Testing & Migration FAQs

Question 1

What is the Modulith Scenario API?

Accepted Answer

It is a specialized API for testing event-driven architectures within Spring Modulith, allowing you to define and verify business scenarios across different application modules.

Question 2

Does this support database integration testing?

Accepted Answer

Yes, it includes modern patterns for using Testcontainers with @ServiceConnection, which automatically handles connection strings for PostgreSQL, Redis, and other services.

Question 3

Can I test Spring Security features with this skill?

Accepted Answer

Absolutely. The skill includes patterns for @WithMockUser, JWT mocking, and role-based access control verification for controller endpoints.

Question 4

Why is @MockitoBean used instead of @MockBean?

Accepted Answer

In Spring Boot 4, @MockBean and @SpyBean have been replaced by @MockitoBean and @MockitoSpyBean as part of the framework's modernization and migration to a dedicated testing module.

Question 5

How does this skill improve test performance?

Accepted Answer

It provides patterns for 'Slice Tests' (like @WebMvcTest or @DataJpaTest) which load only the necessary components of the Spring application context, making them significantly faster than @SpringBootTest.

Spring Boot Testing & Migration

Key Features

Use Cases

Spring Boot Testing & Migration

Key Features

Use Cases