🧪 [Testing Improvement] Add EventService Tests

src/test/java/com/involutionhell/backend/events/service/EventServiceTests.java

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+package com.involutionhell.backend.events.service;
+
+import com.involutionhell.backend.events.model.Event;
+import com.involutionhell.backend.events.repository.EventInterestRepository;
+import com.involutionhell.backend.events.repository.EventRepository;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.time.Instant;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.*;
+
+/**
+ * EventService 单元测试。
+ * 主要验证对 EventRepository 和 EventInterestRepository 的委托逻辑。
+ */
+@ExtendWith(MockitoExtension.class)
+class EventServiceTests {
+
+ @Mock
+ private EventRepository eventRepository;
+
+ @Mock
+ private EventInterestRepository interestRepository;
+
+ @InjectMocks
+ private EventService eventService;
+
+ // ────────────────────────────────────────────────────────────────────────
+ // ── EventRepository 委托测试 ─────────────────────────────────────────────
+ // ────────────────────────────────────────────────────────────────────────
+
+ @Test
+ void listPublic_delegatesToRepository() {
+ Event e1 = new Event(1L, "T1", "", null, null, null, null, null, null, null, "published", null, null, null);
+ when(eventRepository.findPublic()).thenReturn(List.of(e1));
+
+ List<Event> result = eventService.listPublic();
+
+ assertThat(result).hasSize(1).contains(e1);
+ verify(eventRepository).findPublic();
+ }
+
+ @Test
+ void listAllForAdmin_delegatesToRepository() {
+ Event e1 = new Event(1L, "T1", "", null, null, null, null, null, null, null, "draft", null, null, null);
+ when(eventRepository.findAllForAdmin()).thenReturn(List.of(e1));
+
+ List<Event> result = eventService.listAllForAdmin();
+
+ assertThat(result).hasSize(1).contains(e1);
+ verify(eventRepository).findAllForAdmin();
+ }
+
+ @Test
+ void findById_delegatesToRepository() {
+ Event e1 = new Event(1L, "T1", "", null, null, null, null, null, null, null, "published", null, null, null);
+ when(eventRepository.findById(1L)).thenReturn(Optional.of(e1));
+
+ Optional<Event> result = eventService.findById(1L);
+
+ assertThat(result).isPresent().contains(e1);
+ verify(eventRepository).findById(1L);
+ }
+
+ @Test
+ void create_delegatesToRepository() {
+ Event draft = new Event(null, "New", "", null, null, null, null, null, null, null, "draft", null, null, null);
+ Event created = new Event(1L, "New", "", null, null, null, null, null, null, null, "draft", null, Instant.now(), Instant.now());
+ when(eventRepository.insert(draft)).thenReturn(created);
+
+ Event result = eventService.create(draft);
+
+ assertThat(result).isEqualTo(created);
+ verify(eventRepository).insert(draft);
+ }
+
+ @Test
+ void update_delegatesToRepository() {
+ Event updateData = new Event(1L, "Updated", "", null, null, null, null, null, null, null, "published", null, Instant.now(), null);
+ Event updated = new Event(1L, "Updated", "", null, null, null, null, null, null, null, "published", null, Instant.now(), Instant.now());
+ when(eventRepository.update(updateData)).thenReturn(updated);
+
+ Event result = eventService.update(updateData);
+
+ assertThat(result).isEqualTo(updated);
+ verify(eventRepository).update(updateData);
+ }
+
+ @Test
+ void delete_delegatesToRepository() {
+ eventService.delete(1L);
+ verify(eventRepository).deleteById(1L);
+ }
+
+ // ────────────────────────────────────────────────────────────────────────
+ // ── EventInterestRepository 委托测试 ──────────────────────────────────────
+ // ────────────────────────────────────────────────────────────────────────
+
+ @Test
+ void countInterest_delegatesToRepository() {
+ when(interestRepository.countByEvent(100L)).thenReturn(42L);
+
+ long result = eventService.countInterest(100L);
+
+ assertThat(result).isEqualTo(42L);
+ verify(interestRepository).countByEvent(100L);
+ }
+
+ @Test
+ void countInterestByEventIds_delegatesToRepository() {
+ Set<Long> ids = Set.of(100L, 200L);
+ Map<Long, Long> expectedMap = Map.of(100L, 10L, 200L, 5L);
+ when(interestRepository.countByEventIds(ids)).thenReturn(expectedMap);
+
+ Map<Long, Long> result = eventService.countInterestByEventIds(ids);
+
+ assertThat(result).isEqualTo(expectedMap);
+ verify(interestRepository).countByEventIds(ids);
+ }
+
+ @Test
+ void countInterestByEventIds_emptyCollection_returnsEmptyMapAndDelegates() {
+ Set<Long> ids = Set.of();
+ when(interestRepository.countByEventIds(ids)).thenReturn(Map.of());
+
+ Map<Long, Long> result = eventService.countInterestByEventIds(ids);
+
+ assertThat(result).isEmpty();
+ verify(interestRepository).countByEventIds(ids);
+ }
+
+ @Test
+ void isInterested_delegatesToRepository() {
+ when(interestRepository.isInterested(100L, 1L)).thenReturn(true);
+ when(interestRepository.isInterested(100L, 2L)).thenReturn(false);
+
+ assertThat(eventService.isInterested(100L, 1L)).isTrue();
+ assertThat(eventService.isInterested(100L, 2L)).isFalse();
+
+ verify(interestRepository).isInterested(100L, 1L);
+ verify(interestRepository).isInterested(100L, 2L);
+ }
+
+ @Test
+ void markInterested_delegatesToRepository() {
+ eventService.markInterested(100L, 1L);
+ verify(interestRepository).add(100L, 1L);
+ }
+
+ @Test
+ void unmarkInterested_delegatesToRepository() {
+ eventService.unmarkInterested(100L, 1L);
+ verify(interestRepository).remove(100L, 1L);
+ }
+}