feat: Webhook 이벤트 서비스 테스트 코드 추가

Author: Jwhyee

src/test/kotlin/com/project/codereview/core/service/WebhookEventServiceTest.kt

@@ -0,0 +1,80 @@
+package com.project.codereview.core.service
+
+import com.project.codereview.client.github.GithubAppTokenProvider
+import com.project.codereview.client.github.GithubDiffClient
+import com.project.codereview.client.github.GithubReviewClient
+import com.project.codereview.client.google.GoogleGeminiClient
+import com.project.codereview.domain.model.WebhookEventStatus
+import com.project.codereview.domain.port.WebhookEventRepository
+import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.boot.test.mock.mockito.MockBean
+import org.springframework.transaction.annotation.Transactional
+
+@SpringBootTest
+@Transactional
+class WebhookEventServiceTest {
+
+    @Autowired
+    private lateinit var webhookEventService: WebhookEventService
+
+    @Autowired
+    private lateinit var webhookEventRepository: WebhookEventRepository
+
+    @MockBean
+    private lateinit var githubAppTokenProvider: GithubAppTokenProvider
+
+    @MockBean
+    private lateinit var githubDiffClient: GithubDiffClient
+
+    @MockBean
+    private lateinit var githubReviewClient: GithubReviewClient
+
+    @MockBean
+    private lateinit var googleGeminiClient: GoogleGeminiClient
+
+    @Test
+    fun `이벤트를 성공적으로 저장하고 중복 저장을 방지한다`() {
+        val deliveryId = "test-delivery-id"
+        val payload = "{\"action\": \"opened\"}"
+
+        val savedEvent = webhookEventService.saveEvent(deliveryId, "pull_request", payload)
+        assertNotNull(savedEvent)
+        assertEquals(deliveryId, savedEvent?.deliveryId)
+
+        val duplicateEvent = webhookEventService.saveEvent(deliveryId, "pull_request", payload)
+        assertNull(duplicateEvent)
+    }
+
+    @Test
+    fun `이벤트 상태를 성공적으로 업데이트한다`() {
+        val deliveryId = "test-delivery-id-2"
+        webhookEventService.saveEvent(deliveryId, "pull_request", "{}")
+
+        webhookEventService.updateStatus(deliveryId, WebhookEventStatus.PROCESSING)
+        val event = webhookEventRepository.findById(deliveryId).get()
+        assertEquals(WebhookEventStatus.PROCESSING, event.status)
+
+        webhookEventService.updateStatus(deliveryId, WebhookEventStatus.FAILED, "error occurred")
+        val updatedEvent = webhookEventRepository.findById(deliveryId).get()
+        assertEquals(WebhookEventStatus.FAILED, updatedEvent.status)
+        assertEquals("error occurred", updatedEvent.errorMessage)
+    }
+
+    @Test
+    fun `재시도 가능한 실패한 이벤트를 조회한다`() {
+        val deliveryId = "test-failed-id"
+        webhookEventService.saveEvent(deliveryId, "pull_request", "{}")
+        webhookEventService.updateStatus(deliveryId, WebhookEventStatus.FAILED)
+
+        val retryEvents = webhookEventService.getEventsToRetry(3)
+        assertTrue(retryEvents.any { it.deliveryId == deliveryId })
+
+        webhookEventService.markAsRetrying(deliveryId)
+        val eventAfterRetryMark = webhookEventRepository.findById(deliveryId).get()
+        assertEquals(1, eventAfterRetryMark.retryCount)
+        assertEquals(WebhookEventStatus.PENDING, eventAfterRetryMark.status)
+    }
+}