[Spring] 서비스 계층 Unit Test

[DrMaemi]

• Spring Boot - Service Layer 테스트하기

Trouble Shootings

• @RunWith(SpringRunner.class) 에 대해 알아야 함..
• found multiple declarations of @BootstrapWith for test class 오류에 관한 포스트
• java.lang.IllegalStateException: Unable to find a @SpringBootConfiguration, you need to use @ContextConfiguration or @SpringBootTest(classes=...) with your test
• [SpringBoot]SpringBoot 2.2.x 버전 Junit5에서 Junit4로 변경
• org.junit.platform.commons.JUnitException: TestEngine with ID 'junit-jupiter' failed to discover tests