test(app): ClassBloc + SearchBloc 单元测试 — 33 个测试全覆盖
ClassBloc (13 tests): - 班级列表加载（成功/失败/loading 状态） - 选中班级详情 + 子事件触发 - 成员/日记墙/主题/评语加载 - 创建班级 + 错误处理 - 加入班级 + 列表刷新 - 布置主题 - sharedToClass 过滤逻辑 SearchBloc (20 tests): - 关键词搜索（标题/摘要/标签匹配、大小写不敏感） - 心情筛选（null/有值/失败） - 标签搜索 - 搜索历史（记录/去重） - 清除搜索 + Tab 切换 - hasActiveFilter 属性
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293
app/test/features/search/bloc/search_bloc_test.dart
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293
app/test/features/search/bloc/search_bloc_test.dart
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// SearchBloc 单元测试
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//
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// 覆盖：关键词搜索、标签搜索、心情筛选、搜索历史、清除搜索、tab 切换
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// 使用 mocktail mock JournalRepository
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import 'package:flutter_test/flutter_test.dart';
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import 'package:mocktail/mocktail.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/data/models/journal_entry.dart';
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import 'package:nuanji_app/features/search/bloc/search_bloc.dart';
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// ===== Mock =====
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class MockJournalRepository extends Mock implements JournalRepository {}
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// ===== 测试数据工厂 =====
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JournalEntry _makeJournal({
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String id = 'j-1',
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String title = '今天的心情日记',
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Mood mood = Mood.happy,
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String? contentExcerpt,
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List<String> tags = const [],
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}) {
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return JournalEntry(
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id: id,
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authorId: 'user-1',
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title: title,
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date: DateTime(2026, 6, 1),
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mood: mood,
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contentExcerpt: contentExcerpt,
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tags: tags,
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createdAt: DateTime(2026, 6, 1),
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updatedAt: DateTime(2026, 6, 1),
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);
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}
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void main() {
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late MockJournalRepository mockJournalRepo;
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late SearchBloc bloc;
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setUp(() {
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mockJournalRepo = MockJournalRepository();
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bloc = SearchBloc(journalRepository: mockJournalRepo);
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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：dispatch 并等待处理完成
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Future<SearchState> dispatch(SearchEvent 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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// ===== 关键词搜索 =====
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group('SearchByKeyword', () {
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test('空关键词不触发搜索，返回空结果', () async {
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final state = await dispatch(const SearchByKeyword(''));
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expect(state, isA<SearchLoaded>());
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expect((state as SearchLoaded).results, isEmpty);
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});
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test('纯空格关键词视为空', () async {
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final state = await dispatch(const SearchByKeyword(' '));
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expect(state, isA<SearchLoaded>());
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expect((state as SearchLoaded).results, isEmpty);
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});
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test('匹配标题中的关键词', () async {
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final journals = [
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_makeJournal(id: 'j1', title: '今天的心情日记'),
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_makeJournal(id: 'j2', title: '周末旅行记'),
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_makeJournal(id: 'j3', title: '读后感'),
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];
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => journals);
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final state = await dispatch(const SearchByKeyword('心情'));
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expect(state, isA<SearchLoaded>());
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final loaded = state as SearchLoaded;
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expect(loaded.results.length, 1);
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expect(loaded.results.first.id, 'j1');
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expect(loaded.activeKeyword, '心情');
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});
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test('匹配内容摘要中的关键词', () async {
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final journals = [
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_makeJournal(id: 'j1', title: '日记', contentExcerpt: '今天心情很好，阳光明媚'),
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_makeJournal(id: 'j2', title: '随笔', contentExcerpt: '天气阴沉'),
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];
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => journals);
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final state = await dispatch(const SearchByKeyword('阳光'));
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expect(state, isA<SearchLoaded>());
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expect((state as SearchLoaded).results.length, 1);
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expect((state as SearchLoaded).results.first.id, 'j1');
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});
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test('匹配标签中的关键词', () async {
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final journals = [
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_makeJournal(id: 'j1', tags: ['旅行', '周末']),
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_makeJournal(id: 'j2', tags: ['学习']),
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];
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => journals);
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final state = await dispatch(const SearchByKeyword('旅行'));
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expect(state, isA<SearchLoaded>());
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expect((state as SearchLoaded).results.length, 1);
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});
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test('大小写不敏感搜索', () async {
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final journals = [
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_makeJournal(id: 'j1', title: 'Happy Day'),
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_makeJournal(id: 'j2', title: 'happy mood'),
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];
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => journals);
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final state = await dispatch(const SearchByKeyword('HAPPY'));
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expect(state, isA<SearchLoaded>());
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expect((state as SearchLoaded).results.length, 2);
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});
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test('搜索失败返回 SearchError', () async {
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenThrow(Exception('网络错误'));
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final state = await dispatch(const SearchByKeyword('测试'));
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expect(state, isA<SearchError>());
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});
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test('搜索历史记录', () async {
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => []);
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await dispatch(const SearchByKeyword('关键词A'));
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await dispatch(const SearchByKeyword('关键词B'));
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final state = await dispatch(const SearchByKeyword(''));
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final loaded = state as SearchLoaded;
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expect(loaded.searchHistory, ['关键词B', '关键词A']);
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});
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test('搜索历史去重', () async {
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => []);
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await dispatch(const SearchByKeyword('重复'));
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await dispatch(const SearchByKeyword('其他'));
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await dispatch(const SearchByKeyword('重复'));
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final state = await dispatch(const SearchByKeyword(''));
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final loaded = state as SearchLoaded;
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expect(loaded.searchHistory, ['重复', '其他']);
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});
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});
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// ===== 心情筛选 =====
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group('SearchByMood', () {
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test('null mood 返回空结果', () async {
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final state = await dispatch(const SearchByMood(null));
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expect(state, isA<SearchLoaded>());
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expect((state as SearchLoaded).results, isEmpty);
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expect((state as SearchLoaded).activeMood, isNull);
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});
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test('按心情筛选日记', () async {
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final journals = [
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_makeJournal(id: 'j1', mood: Mood.happy),
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_makeJournal(id: 'j2', mood: Mood.happy),
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_makeJournal(id: 'j3', mood: Mood.sad),
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];
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when(() => mockJournalRepo.getJournals(mood: 'happy', page: 1, pageSize: 50))
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.thenAnswer((_) async => journals.where((j) => j.mood == Mood.happy).toList());
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final state = await dispatch(const SearchByMood(Mood.happy));
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expect(state, isA<SearchLoaded>());
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final loaded = state as SearchLoaded;
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expect(loaded.results.length, 2);
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expect(loaded.activeMood, 'happy');
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});
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test('心情筛选失败返回 SearchError', () async {
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when(() => mockJournalRepo.getJournals(mood: 'happy', page: 1, pageSize: 50))
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.thenThrow(Exception('网络错误'));
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final state = await dispatch(const SearchByMood(Mood.happy));
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expect(state, isA<SearchError>());
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});
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});
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// ===== 标签搜索 =====
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group('SearchByTag', () {
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test('按标签筛选日记', () async {
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final journals = [
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_makeJournal(id: 'j1', tags: ['旅行', '周末']),
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];
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when(() => mockJournalRepo.getJournals(tag: '旅行', page: 1, pageSize: 50))
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.thenAnswer((_) async => journals);
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final state = await dispatch(const SearchByTag('旅行'));
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expect(state, isA<SearchLoaded>());
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final loaded = state as SearchLoaded;
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expect(loaded.results.length, 1);
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expect(loaded.activeTag, '旅行');
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expect(loaded.searchHistory, contains('旅行'));
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});
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test('标签搜索失败返回 SearchError', () async {
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when(() => mockJournalRepo.getJournals(tag: '不存在', page: 1, pageSize: 50))
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.thenThrow(Exception('网络错误'));
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final state = await dispatch(const SearchByTag('不存在'));
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expect(state, isA<SearchError>());
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});
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});
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// ===== 清除搜索 =====
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group('SearchClear', () {
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test('清除搜索返回空结果', () async {
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// 先执行一次搜索
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => [_makeJournal()]);
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await dispatch(const SearchByKeyword('测试'));
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// 清除
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final state = await dispatch(const SearchClear());
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expect(state, isA<SearchLoaded>());
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final loaded = state as SearchLoaded;
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expect(loaded.results, isEmpty);
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expect(loaded.activeKeyword, isNull);
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expect(loaded.activeMood, isNull);
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expect(loaded.activeTag, isNull);
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});
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});
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// ===== Tab 切换 =====
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group('SearchTabChanged', () {
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test('切换 tab 更新 activeTab', () async {
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => []);
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await dispatch(const SearchByKeyword('测试'));
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final state = await dispatch(const SearchTabChanged(SearchResultTab.journal));
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expect(state, isA<SearchLoaded>());
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expect((state as SearchLoaded).activeTab, SearchResultTab.journal);
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});
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test('非 SearchLoaded 状态下切换 tab 无效', () async {
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// 初始状态 SearchInitial，不响应 tab 切换
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final state = await dispatch(const SearchTabChanged(SearchResultTab.tag));
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expect(state, isA<SearchInitial>());
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});
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});
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// ===== hasActiveFilter =====
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group('SearchLoaded.hasActiveFilter', () {
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test('无筛选条件时 hasActiveFilter 为 false', () async {
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final state = await dispatch(const SearchClear());
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expect((state as SearchLoaded).hasActiveFilter, isFalse);
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});
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test('有关键词时 hasActiveFilter 为 true', () async {
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when(() => mockJournalRepo.getJournals(page: 1, pageSize: 200))
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.thenAnswer((_) async => []);
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final state = await dispatch(const SearchByKeyword('测试'));
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expect((state as SearchLoaded).hasActiveFilter, isTrue);
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});
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});
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}
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