feature/#98 User 단위 및 통합 테스트코드 구현 (#101)

* refactor: User 코드 포맷팅

* refactor: Dept 코드로 축약

* feat: UserDomainTest 테스트 코드 구현

* refactor: coderabbit yaml 삭제

* feat: 통합 테스트를 위한 testFixtures 적용

* feat: UserServiceTest 구현

* feat: AuthServiceTest 구현

* feat: AuthControllerTest 구현

* feat: 중형 테스트 설명

* feat: AtomicLong 사용 예시

* Update aics-common/src/main/java/kgu/developers/common/auth/jwt/JwtProperties.java

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

* fix: JwtProperties 컴파일 에러 해결

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

aics-api/build.gradle

@@ -3,12 +3,20 @@ bootJar {
 }
 
 jar {
-    enabled = false
+    enabled = true
 }
 
 dependencies {
     implementation project(':aics-domain')
     implementation project(':aics-common')
     implementation project(':aics-infra')
     implementation project(':aics-global-utils')
+
+    testFixturesImplementation project(':aics-domain')
+    testFixturesImplementation project(':aics-common')
+    testFixturesImplementation project(':aics-infra')
+    testFixturesImplementation project(':aics-global-utils')
+
+    testFixturesImplementation testFixtures(project(':aics-domain'))
+    testFixturesImplementation testFixtures(project(':aics-global-utils'))
 }

aics-api/src/main/java/kgu/developers/api/auth/application/AuthService.java

@@ -12,9 +12,11 @@
 import kgu.developers.api.user.application.UserService;
 import kgu.developers.common.auth.jwt.TokenProvider;
 import kgu.developers.domain.user.domain.User;
+import lombok.Builder;
 import lombok.RequiredArgsConstructor;
 
 @Service
+@Builder
 @RequiredArgsConstructor
 public class AuthService {
 	private final UserService userService;

aics-api/src/main/java/kgu/developers/api/auth/presentation/AuthController.java

@@ -9,13 +9,15 @@
 import kgu.developers.api.auth.application.AuthService;
 import kgu.developers.api.auth.presentation.request.LoginRequest;
 import kgu.developers.api.auth.presentation.response.TokenResponse;
+import lombok.Builder;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+@Builder
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/api/v1/auth")

aics-api/src/main/java/kgu/developers/api/auth/presentation/request/LoginRequest.java

@@ -4,7 +4,9 @@
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotNull;
+import lombok.Builder;
 
+@Builder
 public record LoginRequest(
 	@Schema(description = "학번", example = "202412345", requiredMode = REQUIRED)
 	@NotNull

aics-api/src/main/java/kgu/developers/api/user/application/UserService.java

@@ -18,9 +18,11 @@
 import kgu.developers.domain.user.domain.User;
 import kgu.developers.domain.user.domain.UserRepository;
 import kgu.developers.domain.user.exception.UserNotFoundException;
+import lombok.Builder;
 import lombok.RequiredArgsConstructor;
 
 @Service
+@Builder
 @RequiredArgsConstructor
 public class UserService {
 	private final BCryptPasswordEncoder bCryptPasswordEncoder;

aics-api/src/main/java/kgu/developers/api/user/presentation/request/UserCreateRequest.java

@@ -6,7 +6,9 @@
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Pattern;
 import kgu.developers.domain.user.domain.Major;
+import lombok.Builder;
 
+@Builder
 public record UserCreateRequest(
 
 	@Schema(description = "학번", example = "202412345", requiredMode = REQUIRED)

aics-api/src/main/java/kgu/developers/api/user/presentation/request/UserUpdateRequest.java

@@ -4,7 +4,9 @@
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.Pattern;
+import lombok.Builder;
 
+@Builder
 public record UserUpdateRequest(
 	@Schema(description = "전화번호", example = "010-1234-5678", requiredMode = REQUIRED)
 	@Pattern(regexp = "^\\d{2,4}-\\d{3,4}-\\d{4}$", message = "유효한 전화번호 형식이 아닙니다.")

aics-api/src/testFixtures/java/auth/application/AuthServiceTest.java

@@ -0,0 +1,89 @@
+package auth.application;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThatCode;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+
+import kgu.developers.api.auth.application.AuthService;
+import kgu.developers.api.auth.presentation.exception.InvalidPasswordException;
+import kgu.developers.api.auth.presentation.request.LoginRequest;
+import kgu.developers.api.user.application.UserService;
+import kgu.developers.common.auth.jwt.JwtProperties;
+import kgu.developers.common.auth.jwt.TokenProvider;
+import kgu.developers.domain.user.domain.Major;
+import kgu.developers.domain.user.domain.User;
+import mock.FakeUserRepository;
+
+public class AuthServiceTest {
+	private AuthService authService;
+
+	@BeforeEach
+	public void init() {
+		FakeUserRepository fakeUserRepository = new FakeUserRepository();
+		BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
+
+		this.authService = AuthService.builder()
+			.userService(
+				UserService.builder()
+					.userRepository(fakeUserRepository)
+					.bCryptPasswordEncoder(bCryptPasswordEncoder)
+					.build()
+			)
+			.passwordEncoder(bCryptPasswordEncoder)
+			.tokenProvider(
+				TokenProvider.builder()
+					.jwtProperties(new JwtProperties("testIssuer", "testSecretKey"))
+					.build()
+			)
+			.build();
+
+		fakeUserRepository.save(User.builder()
+			.id("202411345")
+			.password(bCryptPasswordEncoder.encode("password1234"))
+			.name("홍길동")
+			.email("test@kyonggi.ac.kr")
+			.phone("010-1234-5678")
+			.major(Major.CSE)
+			.build());
+	}
+
+	@Test
+	@DisplayName("login은 토큰을 발급할 수 있다")
+	public void login_Success() {
+		// given
+		String userId = "202411345";
+		String password = "password1234";
+
+		// when
+		// then
+		assertThatCode(() -> {
+			authService.login(LoginRequest.builder()
+				.userId(userId)
+				.password(password)
+				.build()
+			);
+		}).doesNotThrowAnyException();
+	}
+
+	@Test
+	@DisplayName("login은 비밀번호가 틀리면 InvalidPasswordException을 발생시킨다")
+	public void login_InvalidPassword_ThrowsException() {
+		// given
+		String userId = "202411345";
+		String password = "wrongPassword";
+
+		// when
+		// then
+		assertThatThrownBy(() -> {
+			authService.login(LoginRequest.builder()
+				.userId(userId)
+				.password(password)
+				.build()
+			);
+		}).isInstanceOf(InvalidPasswordException.class);
+	}
+}

aics-api/src/testFixtures/java/auth/presentation/AuthControllerTest.java

@@ -0,0 +1,48 @@
+package auth.presentation;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.Objects;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.http.HttpStatusCode;
+import org.springframework.http.ResponseEntity;
+
+import kgu.developers.api.auth.presentation.request.LoginRequest;
+import kgu.developers.api.auth.presentation.response.TokenResponse;
+import kgu.developers.api.user.presentation.request.UserCreateRequest;
+import kgu.developers.domain.user.domain.Major;
+import mock.TestContainer;
+/*
+ * 추후 Controller 테스트는 medium test로 전환할 예정입니다.
+ * medium test는 Controller / Service / Repository 계층을 함께 테스트합니다.
+ */
+public class AuthControllerTest {
+
+	@Test
+	@DisplayName("로그인 성공 후 200 상태 코드와 토큰을 정상적으로 발급받는다")
+	public void login_Success() {
+		// given
+		TestContainer testContainer = new TestContainer();
+		testContainer.userService.createUser(UserCreateRequest.builder()
+			.userId("202411345")
+			.password("password0000")
+			.name("김철수")
+			.email("kim@kyonggi.ac.kr")
+			.phone("010-0000-0000")
+			.major(Major.CSE)
+			.build());
+
+		// when
+		ResponseEntity<TokenResponse> result = testContainer.authController.login(LoginRequest.builder()
+			.userId("202411345")
+			.password("password0000")
+			.build());
+
+		// then
+		assertThat(result.getStatusCode()).isEqualTo(HttpStatusCode.valueOf(200));
+		assertThat(Objects.requireNonNull(result.getBody()).accessToken()).isNotNull();
+		assertThat(Objects.requireNonNull(result.getBody()).refreshToken()).isNotNull();
+	}
+}

aics-api/src/testFixtures/java/mock/TestContainer.java

@@ -0,0 +1,37 @@
+package mock;
+
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+
+import kgu.developers.api.auth.application.AuthService;
+import kgu.developers.api.auth.presentation.AuthController;
+import kgu.developers.api.user.application.UserService;
+import kgu.developers.common.auth.jwt.JwtProperties;
+import kgu.developers.common.auth.jwt.TokenProvider;
+import kgu.developers.domain.user.domain.UserRepository;
+
+public class TestContainer {
+	public final UserRepository userRepository;
+	public final UserService userService;
+	public final AuthService authService;
+	public final AuthController authController;
+
+	public TestContainer() {
+		BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
+		this.userRepository = new FakeUserRepository();
+		this.userService = UserService.builder()
+			.userRepository(this.userRepository)
+			.bCryptPasswordEncoder(bCryptPasswordEncoder)
+			.build();
+		this.authService = AuthService.builder()
+			.userService(this.userService)
+			.passwordEncoder(bCryptPasswordEncoder)
+			.tokenProvider(TokenProvider.builder()
+				.jwtProperties(new JwtProperties("testIssuer", "testSecretKey"))
+				.build()
+			)
+			.build();
+		this.authController = AuthController.builder()
+			.authService(this.authService)
+			.build();
+	}
+}