src/main/kotlin/roomescape/auth/web/AuthController.kt

@@ -39,6 +39,6 @@ class AuthController(
     override fun logout(@MemberId memberId: Long): ResponseEntity<CommonApiResponse<Unit>> {
         authService.logout(memberId)
 
-        return ResponseEntity.ok(CommonApiResponse())
+        return ResponseEntity.noContent().build()
     }
 }

src/test/kotlin/roomescape/auth/web/AuthControllerTest.kt

@@ -125,17 +125,20 @@ class AuthControllerTest(
                 }
             }
         }
-
         Given("로그아웃 요청을 보낼 때") {
             val endpoint = "/logout"
 
-            When("토큰의 유효성 & 회원 존재 여부와 무관하게") {
+            When("토큰으로 memberId 조회가 가능하면") {
+                every {
+                    jwtHandler.getMemberIdFromToken(any())
+                } returns 1L
+
                 Then("정상 응답한다.") {
                     runPostTest(
                         mockMvc = mockMvc,
                         endpoint = endpoint,
                     ) {
-                        status { isOk() }
+                        status { isNoContent() }
                     }
                 }
             }

src/test/kotlin/roomescape/util/RoomescapeApiTest.kt

@@ -47,7 +47,7 @@ abstract class RoomescapeApiTest : BehaviorSpec() {
         log: Boolean = false,
         assert: MockMvcResultMatchersDsl.() -> Unit
     ): ResultActionsDsl = mockMvc.get(endpoint) {
-        header(HttpHeaders.COOKIE, "accessToken=token")
+        header(HttpHeaders.AUTHORIZATION, "Bearer token")
     }.apply {
         log.takeIf { it }?.let { this.andDo { print() } }
     }.andExpect(assert)
@@ -59,7 +59,7 @@ abstract class RoomescapeApiTest : BehaviorSpec() {
         log: Boolean = false,
         assert: MockMvcResultMatchersDsl.() -> Unit
     ): ResultActionsDsl = mockMvc.post(endpoint) {
-        this.header(HttpHeaders.COOKIE, "accessToken=token")
+        this.header(HttpHeaders.AUTHORIZATION, "Bearer token")
         body?.let {
             this.contentType = MediaType.APPLICATION_JSON
             this.content = objectMapper.writeValueAsString(it)
@@ -74,7 +74,7 @@ abstract class RoomescapeApiTest : BehaviorSpec() {
         log: Boolean = false,
         assert: MockMvcResultMatchersDsl.() -> Unit
     ): ResultActionsDsl = mockMvc.delete(endpoint) {
-        header(HttpHeaders.COOKIE, "accessToken=token")
+        header(HttpHeaders.AUTHORIZATION, "Bearer token")
     }.apply {
         log.takeIf { it }?.let { this.andDo { print() } }
     }.andExpect(assert)
@@ -109,14 +109,18 @@ abstract class RoomescapeApiTest : BehaviorSpec() {
     fun <T> MvcResult.readValue(valueType: Class<T>): T = this.response.contentAsString
         .takeIf { it.isNotBlank() }
         ?.let { readValue(it, valueType) }
-            ?: throw RuntimeException("""
+        ?: throw RuntimeException(
+            """
                 [Test] Exception occurred while reading response json: ${this.response.contentAsString} with value type: $valueType
-            """.trimIndent())
+            """.trimIndent()
+        )
 
     fun <T> readValue(responseJson: String, valueType: Class<T>): T = objectMapper
         .readTree(responseJson)["data"]
         ?.let { objectMapper.convertValue(it, valueType) }
-            ?: throw RuntimeException("""
+        ?: throw RuntimeException(
+            """
                 [Test] Exception occurred while reading response json: $responseJson with value type: $valueType
-            """.trimIndent())
+            """.trimIndent()
+        )
 }