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Spring test 규약

  • JUnit: Java 단위 test framework
    • 목적: Code 검증
    • 사용법: @Test, @BeforeEach 등 annotation으로 test 구성
  • Mockito: Mocking library
    • 목적: 의존성 격리
    • 사용법: 가짜 객체 생성으로 독립적 test 수행
  • JaCoCo: Code coverage 측정 도구
    • 목적: Test coverage 분석
    • 사용법: Test 후 coverage report 제공

Spring test 시 debugging

  1. @Slf4j annotation을 추가한다.
@Slf4j
class UserServiceTest {
  1. 아래와 같이 --info를 통해 logger 수준을 설정한다.
$ ./gradlew clean test --info | grep ERROR
    2025-01-07T21:21:19.197+09:00 ERROR 13537 --- [co-co-gong-server] [    Test worker] c.s.domain.user.service.UserServiceTest  : -----------------

JaCoCo

$ cd ./build/jacocoHtml && python -m http.server 8000
Serving HTTP on 0.0.0.0 port 8000 (http://0.0.0.0:8000/) ...
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET / HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/report.css HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/sort.js HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/redbar.gif HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/greenbar.gif HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/session.gif HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/report.gif HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/sort.gif HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/down.gif HTTP/1.1" 200 -
{IP}.{IP}.{IP}.{IP} - - [07/Jan/2025 21:44:45] "GET /jacoco-resources/package.gif HTTP/1.1" 200 -

jacoco

Codecov

codecov