feat: 리뷰에 리뷰의 저자인지 확인하는 기능 추가

backend/src/main/java/com/funeat/review/domain/Review.java

@@ -88,6 +88,10 @@ public void minusFavoriteCount() {
         this.favoriteCount--;
     }
 
+    public boolean checkAuthor(final Member member) {
+        return Objects.equals(this.member, member);
+    }
+
     public Long getId() {
         return id;
     }

backend/src/main/java/com/funeat/review/dto/SortingReviewDto.java

@@ -55,7 +55,7 @@ public static SortingReviewDto toDto(final Review review, final Member member) {
                 review.getFavoriteCount(),
                 findReviewFavoriteChecked(review, member),
                 review.getCreatedAt(),
-                findAuthorChecked(review, member)
+                review.checkAuthor(member)
         );
     }
 
@@ -76,13 +76,6 @@ private static boolean findReviewFavoriteChecked(final Review review, final Memb
                 .orElse(false);
     }
 
-    private static boolean findAuthorChecked(final Review review, final Member member) {
-        final Long reviewMemberId = review.getMember().getId();
-        final Long loginMemberId = member.getId();
-
-        return reviewMemberId.equals(loginMemberId);
-    }
-
     public Long getId() {
         return id;
     }

backend/src/test/java/com/funeat/review/domain/ReviewTest.java

@@ -0,0 +1,54 @@
+package com.funeat.review.domain;
+
+import static org.assertj.core.api.Assertions.*;
+
+import com.funeat.member.domain.Member;
+import com.funeat.product.domain.Product;
+import java.util.ArrayList;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.DisplayNameGeneration;
+import org.junit.jupiter.api.DisplayNameGenerator.ReplaceUnderscores;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+@SuppressWarnings("NonAsciiCharacters")
+@DisplayNameGeneration(ReplaceUnderscores.class)
+public class ReviewTest {
+
+    @Nested
+    class isAuthor_성공테스트 {
+
+        @Test
+        void 리뷰를_작성한_멤버이면_true를_반환한다() {
+            // given
+            final var product = new Product("test", 1000L, "image", "content", null);
+
+            final var member = new Member("member1", "one", "1");
+
+            final var review = new Review(member, product, "imgae", 5L, "content", true);
+
+            // when
+            final var actual = review.checkAuthor(member);
+
+            // then
+            assertThat(actual).isTrue();
+        }
+
+        @Test
+        void 리뷰를_작성한_멤버가_아니면_false를_반환한다() {
+            // given
+            final var product = new Product("test", 1000L, "image", "content", null);
+
+            final var correctMember = new Member("realMember", "one", "1");
+            final var wrongMember = new Member("wrongMember", "one", "1");
+
+            final var review = new Review(correctMember, product, "imgae", 5L, "content", true);
+
+            // when
+            final var actual = review.checkAuthor(wrongMember);
+
+            // then
+            assertThat(actual).isFalse();
+        }
+    }
+}