test : MemberFinderTest 작성

Author: ekgns33

src/test/java/gdsc/konkuk/platformcore/application/member/MemberFinderTest.java

@@ -0,0 +1,63 @@
+package gdsc.konkuk.platformcore.application.member;
+
+import gdsc.konkuk.platformcore.application.member.exceptions.UserNotFoundException;
+import gdsc.konkuk.platformcore.domain.member.repository.MemberRepository;
+import gdsc.konkuk.platformcore.fixture.member.MemberFixture;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.function.Executable;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.List;
+import java.util.Optional;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.given;
+
+
+class MemberFinderTest {
+
+  private MemberFinder subject;
+
+  @Mock
+  private MemberRepository memberRepository;
+
+  @BeforeEach
+  void setUp() {
+    MockitoAnnotations.openMocks(this);
+    subject = new MemberFinder(memberRepository);
+  }
+
+  @DisplayName("fetchMemberById : 해당하는 멤버가 없으면 UserNotFoundException 발생")
+  @Test
+  void should_throw_UserNotFoundException_when_member_not_found() {
+    // given
+    Long memberId = 1L;
+    given(memberRepository.findById(any(Long.class))).willReturn(Optional.empty());
+
+    // when
+    Executable actual = () -> subject.fetchMemberById(memberId);
+
+    // then
+    assertThrows(UserNotFoundException.class, actual);
+  }
+
+  @DisplayName("fetchMemberByIdsAndBatch : 실제 조회된 유저수와 요청한 유저수가 다르면 UserNotFoundException 발생")
+  @Test
+  void should_throw_UserNotFoundException_when_member_count_not_match() {
+    // given
+    final List<Long> memberIds = List.of(1L, 2L, 3L);
+    final String batch = "24-25";
+    given(memberRepository.findAllByIdsAndBatch(any(), any())).willReturn(
+        List.of(
+            MemberFixture.builder().batch(batch).build().getFixture(),
+            MemberFixture.builder().batch(batch).build().getFixture()));
+    // when
+    Executable actual = () -> subject.fetchMembersByIdsAndBatch(memberIds, batch);
+    // then
+    assertThrows(UserNotFoundException.class, actual);
+  }
+}