feat: #37 본인인증코드 발송 API 응답에 성공 여부 추가

src/main/java/com/ajou/hertz/common/auth/controller/AuthController.java

@@ -13,6 +13,7 @@
 import com.ajou.hertz.common.auth.dto.request.LoginRequest;
 import com.ajou.hertz.common.auth.dto.request.SendUserAuthCodeRequest;
 import com.ajou.hertz.common.auth.dto.response.JwtTokenInfoResponse;
+import com.ajou.hertz.common.auth.dto.response.SendUserAuthCodeResponse;
 import com.ajou.hertz.common.auth.service.AuthService;
 import com.ajou.hertz.common.auth.service.UserAuthCodeService;
 import com.ajou.hertz.common.kakao.service.KakaoService;
@@ -77,12 +78,12 @@ public JwtTokenInfoResponse kakaoLoginV1(@RequestBody @Valid KakaoLoginRequest k
 			"""
 	)
 	@ApiResponses({
-		@ApiResponse(responseCode = "204"),
+		@ApiResponse(responseCode = "200"),
 		@ApiResponse(responseCode = "Any", description = "[1002] 인증 코드 문자 발송 과정 중 오류가 발생한 경우", content = @Content)
 	})
 	@PostMapping(value = "/codes/send", headers = API_VERSION_HEADER_NAME + "=" + 1)
-	public ResponseEntity<Void> sendUserAuthCodeV1(@RequestBody @Valid SendUserAuthCodeRequest sendCodeRequest) {
+	public SendUserAuthCodeResponse sendUserAuthCodeV1(@RequestBody @Valid SendUserAuthCodeRequest sendCodeRequest) {
 		userAuthCodeService.sendUserAuthCodeViaSms(sendCodeRequest.getPhoneNumber());
-		return ResponseEntity.noContent().build();
+		return new SendUserAuthCodeResponse(true);
 	}
 }

src/main/java/com/ajou/hertz/common/auth/dto/response/SendUserAuthCodeResponse.java

@@ -0,0 +1,14 @@
+package com.ajou.hertz.common.auth.dto.response;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@AllArgsConstructor
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+@Getter
+public class SendUserAuthCodeResponse {
+
+	private Boolean isSuccess;
+}

src/test/java/com/ajou/hertz/unit/common/auth/controller/AuthControllerTest.java

@@ -106,7 +106,7 @@ public AuthControllerTest(MockMvc mvc, ObjectMapper objectMapper) {
 					.contentType(MediaType.APPLICATION_JSON)
 					.content(objectMapper.writeValueAsString(sendCodeRequest))
 			)
-			.andExpect(status().isNoContent());
+			.andExpect(status().isOk());
 		then(userAuthCodeService).should().sendUserAuthCodeViaSms(phoneNumber);
 		verifyEveryMocksShouldHaveNoMoreInteractions();
 	}