From 787faf33b7239b840bf5b61993ad7fd3b84d6c3a Mon Sep 17 00:00:00 2001
From: hong seokho <seokho7799@gmail.com>
Date: Thu, 25 Jul 2024 20:59:39 +0900
Subject: [PATCH] =?UTF-8?q?test=20:=20=EA=B3=B5=EC=A7=80=EC=82=AC=ED=95=AD?=
 =?UTF-8?q?=20=EC=A1=B0=ED=9A=8C=20=EC=8B=9C=20=EC=A0=95=EB=A0=AC=20?=
 =?UTF-8?q?=ED=85=8C=EC=8A=A4=ED=8A=B8=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../domain/AnnouncementTestFixture.java       | 22 +++++++++++++
 .../service/AnnouncementServiceTest.java      | 33 +++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/domain/AnnouncementTestFixture.java
 create mode 100644 backend/core/src/test/java/site/timecapsulearchive/core/domain/announcement/service/AnnouncementServiceTest.java

diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/domain/AnnouncementTestFixture.java b/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/domain/AnnouncementTestFixture.java
new file mode 100644
index 000000000..84877598a
--- /dev/null
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/domain/AnnouncementTestFixture.java
@@ -0,0 +1,22 @@
+package site.timecapsulearchive.core.common.fixture.domain;
+
+import java.time.ZonedDateTime;
+import java.util.ArrayList;
+import java.util.List;
+import site.timecapsulearchive.core.domain.announcement.data.dto.AnnouncementDto;
+
+public class AnnouncementTestFixture {
+
+    public static List<AnnouncementDto> announcementDtos(int size) {
+        List<AnnouncementDto> result = new ArrayList<>();
+        ZonedDateTime now = ZonedDateTime.now();
+        for (int index = 0; index < size; index++) {
+            result.add(
+                new AnnouncementDto("title" + index, "content" + index, String.valueOf(index),
+                    now.plusSeconds(index))
+            );
+        }
+
+        return result;
+    }
+}
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/announcement/service/AnnouncementServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/announcement/service/AnnouncementServiceTest.java
new file mode 100644
index 000000000..090578723
--- /dev/null
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/announcement/service/AnnouncementServiceTest.java
@@ -0,0 +1,33 @@
+package site.timecapsulearchive.core.domain.announcement.service;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+
+import java.util.Comparator;
+import java.util.List;
+import org.junit.jupiter.api.Test;
+import site.timecapsulearchive.core.common.fixture.domain.AnnouncementTestFixture;
+import site.timecapsulearchive.core.domain.announcement.data.dto.AnnouncementDto;
+import site.timecapsulearchive.core.domain.announcement.repository.AnnouncementRepository;
+
+class AnnouncementServiceTest {
+
+    private final AnnouncementRepository announcementRepository = mock(
+        AnnouncementRepository.class);
+    private final AnnouncementService announcementService = new AnnouncementService(
+        announcementRepository);
+
+    @Test
+    void 공지사항을_조회하면_가장_최근에_생성된_공지사항이_최상단에_위치한다() {
+        //given
+        given(announcementRepository.findAll()).willReturn(AnnouncementTestFixture.announcementDtos(10));
+
+        //when
+        List<AnnouncementDto> announcements = announcementService.findAll();
+
+        //then
+        assertThat(announcements)
+            .isSortedAccordingTo(Comparator.comparing(AnnouncementDto::createdAt).reversed());
+    }
+}