[BE] feat: 리뷰 단건 조회 API 업데이트

backend/src/main/java/reviewme/template/domain/Section.java

@@ -55,4 +55,8 @@ public Section(VisibleType visibleType, List<Long> questionIds,
         this.header = header;
         this.position = position;
     }
+
+    public boolean isVisibleBySelectedOptionIds(Collection<Long> selectedOptionIds) {
+        return visibleType == VisibleType.ALWAYS || selectedOptionIds.contains(onSelectedOptionId);
+    }
 }

backend/src/test/java/reviewme/template/domain/SectionTest.java

@@ -0,0 +1,45 @@
+package reviewme.template.domain;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+class SectionTest {
+
+    @Test
+    void 조건_옵션을_선택하면_섹션이_보인다() {
+        // given
+        Section section = new Section(VisibleType.CONDITIONAL, List.of(), 1L, "1", 1);
+
+        // when
+        boolean actual = section.isVisibleBySelectedOptionIds(List.of(1L, 2L, 3L));
+
+        // then
+        assertThat(actual).isTrue();
+    }
+
+    @Test
+    void 조건_옵션을_선택하지_않으면_섹션이_보이지_않는다() {
+        // given
+        Section section = new Section(VisibleType.CONDITIONAL, List.of(), 1L, "1", 1);
+
+        // when
+        boolean actual = section.isVisibleBySelectedOptionIds(List.of(4L, 5L, 6L));
+
+        // then
+        assertThat(actual).isFalse();
+    }
+
+    @Test
+    void 타입이_ALWAYS라면_조건과_상관없이_모두_보인다() {
+        // given
+        Section section = new Section(VisibleType.ALWAYS, List.of(), null, "1", 1);
+
+        // when
+        boolean actual = section.isVisibleBySelectedOptionIds(List.of());
+
+        // then
+        assertThat(actual).isTrue();
+    }
+}