test(MessageConverter): 메시지 컨버팅 테스트 추가

Author: m-a-king

src/test/java/com/somemore/notification/converter/MessageConverterTest.java

@@ -0,0 +1,104 @@
+package com.somemore.notification.converter;
+
+import com.somemore.IntegrationTestSupport;
+import com.somemore.notification.domain.Notification;
+import com.somemore.notification.domain.NotificationSubType;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+class MessageConverterTest extends IntegrationTestSupport {
+
+    @Autowired
+    private MessageConverter messageConverter;
+
+    @Test
+    @DisplayName("VOLUNTEER_REVIEW_REQUEST 메시지를 변환하면 Notification 객체를 반환한다")
+    void testVolunteerReviewRequestConversion() {
+        // given
+        String message = """
+                {
+                    "type": "NOTIFICATION",
+                    "subType": "VOLUNTEER_REVIEW_REQUEST",
+                    "volunteerId": "123e4567-e89b-12d3-a456-426614174000",
+                    "volunteerApplyId": "1",
+                    "centerId": "123e4567-e89b-12d3-a456-426614174001",
+                    "recruitBoardId": 456,
+                    "createdAt": "2024-12-05T10:00:00"
+                }
+                """;
+
+        // when
+        Notification notification = messageConverter.from(message);
+
+        // then
+        assertThat(notification.getReceiverId()).isEqualTo(UUID.fromString("123e4567-e89b-12d3-a456-426614174000"));
+        assertThat(notification.getTitle()).isEqualTo("최근 활동하신 활동의 후기를 작성해 주세요!");
+        assertThat(notification.getType()).isEqualTo(NotificationSubType.VOLUNTEER_REVIEW_REQUEST);
+        assertThat(notification.getRelatedId()).isEqualTo(456L);
+    }
+
+    @Test
+    @DisplayName("임의의 필드가 추가된 VOLUNTEER_APPLY_STATUS_CHANGE 메시지를 변환해도 Notification 객체를 반환한다")
+    void testVolunteerApplyStatusChangeConversion() {
+        // given
+        String message = """
+                {
+                    "extraField": "this should be ignored",
+                    "extraField": "this should be ignored",
+                    "extraField": "this should be ignored",
+                    "extraField": "this should be ignored",
+                    "extraField": "this should be ignored",
+                    "type": "NOTIFICATION",
+                    "subType": "VOLUNTEER_APPLY_STATUS_CHANGE",
+                    "volunteerId": "123e4567-e89b-12d3-a456-426614174000",
+                    "centerId": "123e4567-e89b-12d3-a456-426614174001",
+                    "volunteerApplyId": "1",
+                    "recruitBoardId": 456,
+                    "oldStatus": "WAITING",
+                    "newStatus": "APPROVED",
+                    "createdAt": "2024-12-05T10:00:00"
+                }
+                """;
+
+        // when
+        Notification notification = messageConverter.from(message);
+
+        // then
+        assertThat(notification.getReceiverId()).isEqualTo(UUID.fromString("123e4567-e89b-12d3-a456-426614174000"));
+        assertThat(notification.getTitle()).isEqualTo("봉사 활동 신청이 승인되었습니다.");
+        assertThat(notification.getType()).isEqualTo(NotificationSubType.VOLUNTEER_APPLY_STATUS_CHANGE);
+        assertThat(notification.getRelatedId()).isEqualTo(456L);
+    }
+
+    @Test
+    @DisplayName("잘못된 JSON 메시지를 변환하면 IllegalStateException을 던진다")
+    void testInvalidJson() {
+        // given
+        String invalidMessage = "{ invalid-json }";
+
+        // when
+        // then
+        assertThrows(IllegalStateException.class, () -> messageConverter.from(invalidMessage));
+    }
+
+    @Test
+    @DisplayName("필수 필드가 누락된 메시지를 변환하면 IllegalStateException을 던진다")
+    void testMissingFields() {
+        // given
+        String messageWithMissingFields = """
+                {
+                    "type": "NOTIFICATION",
+                    "subType": "VOLUNTEER_REVIEW_REQUEST"
+                }
+                """;
+
+        // when & then
+        assertThrows(IllegalStateException.class, () -> messageConverter.from(messageWithMissingFields));
+    }
+}