271 lines
9.7 KiB
Dart
271 lines
9.7 KiB
Dart
// CalendarBloc 单元测试
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//
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// 覆盖：月份切换加载、日期选择、视图模式切换、状态保持
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// 使用 InMemoryJournalRepository 作为测试替身
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import 'package:flutter_test/flutter_test.dart';
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import 'package:nuanji_app/data/models/journal_element.dart';
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import 'package:nuanji_app/data/models/journal_entry.dart';
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import 'package:nuanji_app/data/repositories/journal_repository.dart';
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import 'package:nuanji_app/features/calendar/bloc/calendar_bloc.dart';
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void main() {
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group('CalendarBloc', () {
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late CalendarBloc bloc;
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late InMemoryJournalRepository repo;
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setUp(() {
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repo = InMemoryJournalRepository();
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bloc = CalendarBloc(journalRepository: repo);
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});
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tearDown(() {
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bloc.close();
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});
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// ===== 辅助 =====
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/// 收集事件触发后的最终状态
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Future<CalendarState> dispatch(CalendarEvent event) async {
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bloc.add(event);
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await Future<void>.delayed(const Duration(milliseconds: 50));
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return bloc.state;
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}
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/// 创建测试日记条目
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///
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/// 日期放在月份中间（15 号），避免 InMemoryJournalRepository
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/// 使用 isAfter/isBefore（严格大于/小于）时的边界问题。
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JournalEntry _makeEntry({required String id, required DateTime date}) {
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return JournalEntry(
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id: id,
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authorId: 'user-1',
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title: '日记',
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date: date,
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createdAt: date,
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updatedAt: date,
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);
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}
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// ===== 初始状态 =====
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test('初始状态为 CalendarInitial', () {
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expect(bloc.state, isA<CalendarInitial>());
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});
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// ===== 月份切换 =====
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test('CalendarMonthChanged 成功加载日记 → journalsByDate 包含数据', () async {
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// 在 6 月 15 日创建日记
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final june15 = DateTime(2026, 6, 15);
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await repo.createJournal(_makeEntry(id: 'j-1', date: june15));
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final state = await dispatch(CalendarMonthChanged(DateTime(2026, 6, 1)));
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expect(state, isA<CalendarLoaded>());
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final loaded = state as CalendarLoaded;
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expect(loaded.focusedMonth, DateTime(2026, 6, 1));
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expect(loaded.isLoading, isFalse);
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expect(loaded.journalsByDate, isNotEmpty);
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final key = DateTime(2026, 6, 15);
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expect(loaded.journalsByDate[key], isNotNull);
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expect(loaded.journalsByDate[key]!.length, 1);
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expect(loaded.journalsByDate[key]!.first.id, 'j-1');
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});
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test('CalendarMonthChanged 失败 → isLoading: false，保留旧数据', () async {
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// 使用一个会抛异常的仓库替身
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final failingRepo = _FailingJournalRepository();
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final failingBloc = CalendarBloc(journalRepository: failingRepo);
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// 先加载一次成功数据（这里直接 emit 一个 loaded 状态）
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failingBloc.add(CalendarMonthChanged(DateTime(2026, 6, 1)));
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await Future<void>.delayed(const Duration(milliseconds: 50));
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// 此时状态应为 CalendarLoaded（isLoading: false，因为加载失败）
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expect(failingBloc.state, isA<CalendarLoaded>());
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final loaded = failingBloc.state as CalendarLoaded;
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expect(loaded.isLoading, isFalse);
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expect(loaded.journalsByDate, isEmpty);
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await failingBloc.close();
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});
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test('CalendarMonthChanged 保留上一个 viewMode', () async {
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// 先加载月份，进入 CalendarLoaded 状态
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await dispatch(CalendarMonthChanged(DateTime(2026, 6, 1)));
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expect(bloc.state, isA<CalendarLoaded>());
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// 切换视图模式为 week
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await dispatch(CalendarViewModeChanged(CalendarViewMode.week));
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expect((bloc.state as CalendarLoaded).viewMode, CalendarViewMode.week);
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// 再切换月份，viewMode 应该保留为 week
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final state = await dispatch(CalendarMonthChanged(DateTime(2026, 7, 1)));
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final loaded = state as CalendarLoaded;
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expect(loaded.viewMode, CalendarViewMode.week);
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expect(loaded.focusedMonth, DateTime(2026, 7, 1));
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});
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// ===== 初始加载选中日期的日记 =====
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test('CalendarMonthChanged 加载后自动填充 selectedDayJournals', () async {
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// 在 6 月 15 日创建日记（避免 InMemoryJournalRepository 的边界排除问题）
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final june15 = DateTime(2026, 6, 15);
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await repo.createJournal(_makeEntry(id: 'j-today', date: june15));
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// 用 6 月 15 日触发月份切换，selectedDay = 6月15日
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final state = await dispatch(CalendarMonthChanged(june15));
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final loaded = state as CalendarLoaded;
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// selectedDayJournals 应自动填充，无需手动 CalendarDaySelected
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expect(loaded.selectedDayJournals, isNotEmpty);
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expect(loaded.selectedDayJournals.length, 1);
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expect(loaded.selectedDayJournals.first.id, 'j-today');
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});
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test('CalendarMonthChanged 加载后 selectedDay 无日记时 selectedDayJournals 为空', () async {
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// 在 6 月 15 日创建日记，但 selectedDay 是 6 月 10 日
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final june15 = DateTime(2026, 6, 15);
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await repo.createJournal(_makeEntry(id: 'j-1', date: june15));
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final state = await dispatch(CalendarMonthChanged(DateTime(2026, 6, 10)));
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final loaded = state as CalendarLoaded;
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// selectedDay 是 6 月 10 日，日记在 6 月 15 日，所以 selectedDayJournals 应为空
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expect(loaded.selectedDayJournals, isEmpty);
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// 但 journalsByDate 应有数据
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expect(loaded.journalsByDate, isNotEmpty);
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});
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// ===== 日期选择 =====
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test('CalendarDaySelected 有日记 → selectedDayJournals 不为空', () async {
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final june15 = DateTime(2026, 6, 15);
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await repo.createJournal(_makeEntry(id: 'j-1', date: june15));
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// 先加载月份
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await dispatch(CalendarMonthChanged(DateTime(2026, 6, 1)));
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// 选择 6 月 15 日
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final state = await dispatch(CalendarDaySelected(june15));
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final loaded = state as CalendarLoaded;
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expect(loaded.selectedDay, june15);
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expect(loaded.selectedDayJournals, isNotEmpty);
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expect(loaded.selectedDayJournals.length, 1);
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expect(loaded.selectedDayJournals.first.id, 'j-1');
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});
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test('CalendarDaySelected 无日记 → selectedDayJournals 为空', () async {
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// 先加载月份（空数据）
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await dispatch(CalendarMonthChanged(DateTime(2026, 6, 1)));
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// 选择 6 月 10 日（无日记）
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final june10 = DateTime(2026, 6, 10);
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final state = await dispatch(CalendarDaySelected(june10));
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final loaded = state as CalendarLoaded;
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expect(loaded.selectedDay, june10);
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expect(loaded.selectedDayJournals, isEmpty);
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});
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test('CalendarDaySelected 在 CalendarInitial 状态不改变状态', () async {
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// 不先加载月份，初始状态为 CalendarInitial
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expect(bloc.state, isA<CalendarInitial>());
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final state = await dispatch(CalendarDaySelected(DateTime(2026, 6, 15)));
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// 状态应保持为 CalendarInitial
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expect(state, isA<CalendarInitial>());
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});
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// ===== 视图模式 =====
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test('CalendarViewModeChanged 更新 viewMode', () async {
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// 先进入 CalendarLoaded 状态
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await dispatch(CalendarMonthChanged(DateTime(2026, 6, 1)));
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final state = await dispatch(CalendarViewModeChanged(CalendarViewMode.timeline));
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final loaded = state as CalendarLoaded;
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expect(loaded.viewMode, CalendarViewMode.timeline);
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});
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test('CalendarViewModeChanged 在 CalendarInitial 状态不改变状态', () async {
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expect(bloc.state, isA<CalendarInitial>());
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final state = await dispatch(CalendarViewModeChanged(CalendarViewMode.week));
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// 状态应保持为 CalendarInitial
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expect(state, isA<CalendarInitial>());
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});
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// ===== 日期键归一化 =====
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test('CalendarMonthChanged 日期键归一化 — 同一天不同时间映射到同一个 key', () async {
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// 创建两篇日记，日期都是 6 月 15 日但时间不同
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final june15Morning = DateTime(2026, 6, 15, 8, 30);
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final june15Afternoon = DateTime(2026, 6, 15, 14, 45);
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await repo.createJournal(_makeEntry(id: 'j-1', date: june15Morning));
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await repo.createJournal(_makeEntry(id: 'j-2', date: june15Afternoon));
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final state = await dispatch(CalendarMonthChanged(DateTime(2026, 6, 1)));
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final loaded = state as CalendarLoaded;
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// 归一化后的 key 应为 DateTime(2026, 6, 15)
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final normalizedKey = DateTime(2026, 6, 15);
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expect(loaded.journalsByDate.containsKey(normalizedKey), isTrue);
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// 两篇日记都映射到同一个 key
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expect(loaded.journalsByDate[normalizedKey]!.length, 2);
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expect(
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loaded.journalsByDate[normalizedKey]!.map((j) => j.id).toList()
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..sort(),
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['j-1', 'j-2'],
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);
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});
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});
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}
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/// 加载日记时总是抛异常的仓库 — 用于测试错误路径
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class _FailingJournalRepository implements JournalRepository {
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@override
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Future<List<JournalEntry>> getJournals({
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DateTime? dateFrom,
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DateTime? dateTo,
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int? page,
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int? pageSize,
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String? mood,
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String? tag,
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String? classId,
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}) async {
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throw Exception('模拟网络错误');
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}
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@override
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Future<int> getJournalCount() async => 0;
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@override
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Future<JournalEntry?> getJournal(String id) async => null;
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@override
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Future<JournalEntry> createJournal(JournalEntry entry) async => entry;
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@override
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Future<JournalEntry> updateJournal(JournalEntry entry) async => entry;
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@override
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Future<void> deleteJournal(String id) async {}
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@override
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Future<List<JournalElement>> getElements(String journalId) async => [];
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@override
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Future<JournalElement> addElement(JournalElement element) async => element;
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@override
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Future<JournalElement> updateElement(JournalElement element) async => element;
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@override
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Future<void> removeElement(String elementId) async {}
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@override
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Stream<void> get onJournalChanged => const Stream<void>.empty();
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}
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