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Spring Boot Testing with @SpringBootTest

Yapay zekadan makale özeti

Integration vs Unit Testing: Integration tests cover multiple units, layers, or entire application paths
Unit tests focus on single classes or cohesive classes
Spring Boot's @SpringBootTest creates complete application context
Test Slices: @WebMvcTest tests web controllers with MockMvc and auto-configuration
@WebFluxTest tests WebFlux controllers using WebTestClient
@DataJpaTest tests persistence layer with embedded database
@DataJdbcTest tests JDBC with embedded database and repositories
Customization Options: @ExtendWith enables Spring support in JUnit 5
Custom configuration properties can be set using @ActiveProfiles
@TestPropertySource loads properties from external files
@MockBean allows replacing beans with mock objects
@Import enables adding beans from other packages
Performance Considerations: Overusing @SpringBootTest can lead to long test suites
Single configuration can be reused across tests
JUnit Insights can help measure test setup time