test: CookieUtilsTest에 null 반환 테스트 추가

src/test/java/roomescape/auth/web/support/CookieUtilsTest.kt

@@ -33,6 +33,15 @@ class CookieUtilsTest : FunSpec({
                 this.value shouldBe ""
             }
         }
+
+        test("httpServletRequest.cookies가 null이면 accessToken에 빈 값을 담은 쿠키를 반환한다.") {
+            every { httpServletRequest.cookies } returns null
+
+            assertSoftly(httpServletRequest.accessTokenCookie()) {
+                this.name shouldBe ACCESS_TOKEN_COOKIE_NAME
+                this.value shouldBe ""
+            }
+        }
     }
 
     context("TokenResponse를 쿠키로 반환한다.") {
@@ -41,11 +50,11 @@ class CookieUtilsTest : FunSpec({
         val result: String = tokenResponse.toResponseCookie()
 
         result.split("; ") shouldContainAll listOf(
-                    "accessToken=test-token",
-                    "HttpOnly",
-                    "Secure",
-                    "Path=/",
-                    "Max-Age=1800"
+                "accessToken=test-token",
+                "HttpOnly",
+                "Secure",
+                "Path=/",
+                "Max-Age=1800"
         )
     }
 
@@ -53,11 +62,11 @@ class CookieUtilsTest : FunSpec({
         val result: String = expiredAccessTokenCookie()
 
         result.split("; ") shouldContainAll listOf(
-                    "accessToken=",
-                    "HttpOnly",
-                    "Secure",
-                    "Path=/",
-                    "Max-Age=0"
+                "accessToken=",
+                "HttpOnly",
+                "Secure",
+                "Path=/",
+                "Max-Age=0"
         )
     }
 })