test: 스터디 히스토리 테스트 추가

src/main/java/com/gdschongik/gdsc/domain/study/domain/StudyHistory.java

@@ -41,7 +41,7 @@ public class StudyHistory extends BaseEntity {
     private String repositoryLink;
 
     @Comment("수료 여부")
-    private boolean hasCompleted;
+    private Boolean hasCompleted;
 
     @Builder(access = AccessLevel.PRIVATE)
     private StudyHistory(Member student, Study study) {

src/test/java/com/gdschongik/gdsc/domain/study/domain/StudyHistoryTest.java

@@ -0,0 +1,61 @@
+package com.gdschongik.gdsc.domain.study.domain;
+
+import static org.assertj.core.api.Assertions.*;
+
+import com.gdschongik.gdsc.domain.member.domain.Member;
+import com.gdschongik.gdsc.domain.recruitment.domain.vo.Period;
+import com.gdschongik.gdsc.helper.FixtureHelper;
+import java.time.LocalDateTime;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+public class StudyHistoryTest {
+
+    FixtureHelper fixtureHelper = new FixtureHelper();
+
+    @Nested
+    class 스터디_히스토리_생성시 {
+
+        @Test
+        void 수료여부는_false이다() {
+            // given
+            Member student = fixtureHelper.createRegularMember(1L);
+            Member mentor = fixtureHelper.createRegularMember(2L);
+            LocalDateTime now = LocalDateTime.now();
+            Study study = fixtureHelper.createStudy(
+                    mentor,
+                    Period.createPeriod(now.plusDays(5), now.plusDays(10)),
+                    Period.createPeriod(now.minusDays(5), now));
+
+            // when
+            StudyHistory studyHistory = StudyHistory.create(student, study);
+
+            // then
+            assertThat(studyHistory.getHasCompleted()).isFalse();
+        }
+    }
+
+    @Nested
+    class 스터디_수료시 {
+
+        @Test
+        void 수료여부는_true이다() {
+            // given
+            Member student = fixtureHelper.createRegularMember(1L);
+            Member mentor = fixtureHelper.createRegularMember(2L);
+            LocalDateTime now = LocalDateTime.now();
+            Study study = fixtureHelper.createStudy(
+                    mentor,
+                    Period.createPeriod(now.plusDays(5), now.plusDays(10)),
+                    Period.createPeriod(now.minusDays(5), now));
+
+            StudyHistory studyHistory = StudyHistory.create(student, study);
+
+            // when
+            studyHistory.complete();
+
+            // then
+            assertThat(studyHistory.getHasCompleted()).isTrue();
+        }
+    }
+}